CN217351451U - Automatic quenching die for outer ring of self-aligning roller bearing - Google Patents

Abstract

The application relates to a mould of automatic quenching of aligning roller bearing outer lane, comprising a base plate, the top of bottom plate is provided with the connecting seat, leave the quenching space of placing the aligning roller bearing outer lane between connecting seat and the bottom plate, be provided with the inner circle filling device on the connecting seat, the inner circle filling device is used for filling the inner space of aligning roller bearing outer lane, just the inner circle filling device is with the inner circle wall butt of aligning roller bearing outer lane after getting into the inner space of aligning roller bearing outer lane. The self-aligning roller bearing has the effect of reducing the deformation of the self-aligning roller bearing after quenching to a certain extent.

Description

Automatic quenching die for outer ring of self-aligning roller bearing

Technical Field

The application relates to the field of bearing processing equipment, in particular to a self-aligning roller bearing outer ring automatic quenching die.

Background

In the current bearing manufacturing process, the deformation (roundness, taper and dimensional stability) of a product after heat treatment directly influences the quality and efficiency of subsequent grinding.

Aiming at the related technologies, the inventor considers that the raceway surface of the outer ring of the self-aligning roller bearing is a spherical surface, the middle is seriously concave after free quenching, and the grinding efficiency is seriously influenced due to the large deformation of a quenched product, so that the service life of the bearing is shortened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the deflection of self-aligning roller bearing after quenching to a certain extent, this application provides a mould of self-quenching of self-aligning roller bearing outer lane.

The application provides a mould of automatic quenching of self-aligning roller bearing outer lane adopts following technical scheme:

the utility model provides a mould of automatic quenching of aligning roller bearing outer lane, includes the bottom plate, the top of bottom plate is provided with the connecting seat, leave the quenching space of placing the aligning roller bearing outer lane between connecting seat and the bottom plate, be provided with the sufficient device of inner circle on the connecting seat, the sufficient device of inner circle is used for filling the inner space of aligning roller bearing outer lane, just the sufficient device of inner circle is in the inner circle wall butt of getting into the inner space of aligning roller bearing outer lane with the aligning roller bearing outer lane.

Through adopting above-mentioned technical scheme, before carrying out the quenching operation, at first in placing the quenching space between connecting seat and the bottom plate to the aligning roller bearing outer lane of treating quenching, remove the connecting seat toward the direction that is close to the bottom plate after that, thereby arrange the inside of aligning roller bearing outer lane in to the inner circle filling device, the inside of aligning roller bearing outer lane is filled by the inner circle filling device this moment, when quenching this moment, the difficult emergence of inside of aligning roller bearing outer lane is out of shape, thereby reach the effect that reduces the deflection of aligning roller bearing after quenching to a certain extent.

Optionally, the inner circle is full of the device and is included extrusion portion and butt portion, butt portion has inner circle wall and outer lane wall, the outer lane wall of butt portion and the inner circle wall adaptation of self-aligning roller bearing outer lane, extrusion portion sets up on the connecting seat, the outer lane wall of extrusion portion and the sliding laminating of the inner circle wall of butt portion, just the outer lane wall of extrusion portion and the equal slope setting of the inner circle wall of butt portion the vertical pushing down of extrusion portion gets into the inner space of self-aligning roller bearing outer lane and when laminating with the inner circle wall of butt portion, the outer lane wall of butt portion is being supported and is being removed to the inner circle wall side that is close to the self-aligning roller bearing outer lane.

By adopting the technical scheme, when the inner ring filling device is placed inside the outer ring of the self-aligning roller bearing, the abutting part is firstly placed inside the outer ring of the self-aligning roller bearing in advance, so that the outer ring wall of the abutting part is attached to the inner ring wall of the outer ring of the self-aligning roller bearing, then the connecting seat is moved towards the side close to the bottom plate, the extrusion part is driven to enter the inside of the outer ring of the self-aligning roller bearing, and the outer ring wall of the extrusion part is attached to the inner ring wall of the abutting part; because the outer ring wall of the extrusion part and the inner ring wall of the abutting part are obliquely arranged, after the extrusion part moves towards the side close to the bottom plate, an outward expanding thrust is given to the oblique inner ring wall of the abutting part, and the abutting part is tightly abutted to the inner ring wall of the self-aligning roller bearing outer ring. At this time, the abutting portion and the pressing portion are filled in the inner portion of the outer ring of the aligning roller bearing, thereby achieving an effect of reinforcing the inner portion of the outer ring of the aligning roller bearing.

Optionally, butt portion includes a plurality of blooms, and is a plurality of form between the blooms and supply the male extrusion space of extrusion portion, the one wall that the blooms formed the extrusion space is the inclined plane, the lateral wall that the blooms deviates from the extrusion space is laminated with the inner circle wall of self-aligning roller bearing outer lane mutually.

Through adopting above-mentioned technical scheme, behind the inclined wall that a plurality of rises piece enclosed into the extrusion space, can make things convenient for the extrusion portion to put into to reach and be convenient for let the extrusion portion exert the effect of extrusion force to rising the piece.

Optionally, a base plate is arranged on the bottom plate, one end, away from the connecting seat, of the expansion block is abutted to the base plate, and one end, close to the connecting seat, of the expansion block is abutted to the connecting seat.

Through adopting above-mentioned technical scheme, the both ends of the piece that rises carry on spacing back through connecting seat and backing plate respectively, are close to the back toward the backing plate side at the connecting seat, can retrain the piece that rises in the position of the inside of aligning roller bearing outer lane to reach and let the piece that rises can stably be positioned the effect in the inside of aligning roller bearing outer lane.

Optionally, a demoulding device is arranged on the connecting seat, and the demoulding device is used for preventing the expansion block from moving out of the inner space of the outer ring of the roller bearing when the extrusion part is pulled out of the extrusion space.

By adopting the technical scheme, after quenching is finished, the connecting seat moves to one side departing from the base, and the extrusion part is separated from the inner part of the self-aligning roller bearing outer ring; because certain friction force exists between the inclined surface of the extrusion part and the inclined surface of the expansion block, when the extrusion part is separated from the extrusion space, the expansion block is likely to be taken out from the inner part of the outer ring of the self-aligning roller bearing together, the expansion block is tightly attached to the outer ring of the self-aligning roller bearing, and the outer ring of the self-aligning roller bearing is also likely to be lifted together when the expansion block is taken out; therefore, after the demolding device is arranged, when the extrusion part is separated from the extrusion space, the expansion block can be prevented from being taken out along with the extrusion part, so that the effect of conveniently separating the extrusion part from the expansion block is achieved, the outer ring of the self-aligning roller bearing is not easily taken away when the extrusion part is separated from the outer ring of the self-aligning roller bearing, and the effect of facilitating demolding is achieved.

Optionally, the demolding device comprises a disc spring and a demolding frame, the demolding frame is sleeved on the connecting seat, the disc spring is arranged between the demolding frame and the connecting seat, the disc spring enables the demolding frame to always have a trend of moving towards the bottom plate side, and the demolding frame is used for being abutted to one end, close to the connecting seat, of the expansion block.

By adopting the technical scheme, when the connecting seat with the extrusion part is separated from the inner part of the self-aligning roller bearing outer ring, the disc spring exerts certain pressure on the demoulding frame under the action of the elasticity of the disc spring, so that the demoulding frame is propped against the surface of the expansion block, and the direction of the exerted pressure faces to the side of the bottom plate; therefore, when the connecting seat with the extrusion part is separated from the inner part of the self-aligning roller bearing outer ring, the demoulding frame can support the expansion block, so that the expansion block is not easy to be separated synchronously along with the extrusion part, and the effect of conveniently separating the extrusion part from the expansion block is achieved.

Optionally, a groove is formed in a side wall, away from the extrusion space, of each expansion block, the grooves between the adjacent expansion blocks are communicated with each other, a spring used for surrounding the expansion blocks is placed in each groove, and the springs enable all the expansion blocks to have a tendency of contracting towards the inside of the extrusion space.

Through adopting above-mentioned technical scheme, the spring is placed behind the ditch inslot, centers on a plurality of blooms simultaneously to under the spring action of spring itself, with a plurality of blooms toward the inner circle wall side of keeping away from the aligning roller bearing outer lane simultaneously and promote, and then make blooms and aligning roller bearing outer lane change and realize breaking away from.

Optionally, a first gasket is disposed between the bottom plate and the backing plate.

Through adopting above-mentioned technical scheme, the setting of first gasket can be adjusted the position of the piece that rises in the direction of height to reach the effect of conveniently adjusting the concentricity between piece that rises and the self-aligning roller bearing outer lane in the direction of height.

Optionally, a second gasket is arranged between the connecting seat and the extrusion part.

Through adopting above-mentioned technical scheme, set up behind the second gasket, can conveniently adjust the radial dimension on expansion block surface.

In summary, the present application includes at least one of the following beneficial technical effects:

before quenching operation, firstly placing an outer ring of the self-aligning roller bearing to be quenched into a quenching space between a connecting seat and a bottom plate, and then moving the connecting seat to a direction close to the bottom plate, so that an inner ring filling device is arranged inside the outer ring of the self-aligning roller bearing, the inside of the outer ring of the self-aligning roller bearing is filled by the inner ring filling device, and at the moment, when quenching is carried out, the inside of the outer ring of the self-aligning roller bearing is not easy to deform, so that the effect of reducing the deformation of the self-aligning roller bearing after quenching to a certain extent is achieved;

when the inner ring filling device is placed inside the self-aligning roller bearing outer ring, the abutting part is firstly placed inside the self-aligning roller bearing outer ring in advance, so that the outer ring wall of the abutting part is attached to the inner ring wall of the self-aligning roller bearing outer ring, then the connecting seat is moved towards the side close to the bottom plate, the extrusion part is driven to enter the inside of the self-aligning roller bearing outer ring, and the outer ring wall of the extrusion part is attached to the inner ring wall of the abutting part; because the outer ring wall of the extrusion part and the inner ring wall of the abutting part are obliquely arranged, after the extrusion part moves towards the side close to the bottom plate, an outward expanding thrust is given to the oblique inner ring wall of the abutting part, and the abutting part is tightly abutted to the inner ring wall of the self-aligning roller bearing outer ring. At the moment, the abutting part and the extruding part are filled in the inner part of the outer ring of the self-aligning roller bearing, so that the effect of reinforcing the inner part of the outer ring of the self-aligning roller bearing is achieved;

drawings

Fig. 1 is a front cross-sectional view of the present application.

Fig. 2 is an exploded schematic view of the present application for illustrating the connection relationship of the various components.

Fig. 3 is an exploded view of the present application showing the extrusion space.

Description of reference numerals: 1. a base plate; 2. a connecting seat; 3. an inner ring filling device; 31. a pressing section; 32. an abutting portion; 321. expanding blocks; 3211. a trench; 4. a base plate; 5. a demolding device; 51. a disc spring; 52. demoulding the mould frame; 6. a spring; 7. and extruding the space.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The quenching is to convert the super-cooled austenite into martensite or bainite to obtain martensite or bainite structure, and then to improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel by tempering at different temperatures, thereby meeting different use requirements of various mechanical parts and tools. Therefore, the outer ring of the roller bearing must be subjected to a step of quenching during the machining process, so that the wear resistance and fatigue strength of the roller bearing are improved. The wall of the inner ring of the general roller bearing is a straight wall, and the inner ring of the general roller bearing can directly abut against an abutting column attached to the inner ring of the roller bearing in the quenching process. However, the inner wall of the outer ring of the self-aligning roller bearing is not a straight wall, but a spherical surface, i.e., a certain curvature radian, if the cylindrical abutting column is directly inserted into the abutting joint, a gap is left between the abutting column and the inner ring wall of the outer ring of the self-aligning roller bearing, and the inner ring wall of the outer ring of the self-aligning roller bearing still deforms during quenching, so that the abutting column matched with the shape of the inner ring wall of the outer ring of the self-aligning roller bearing is manufactured, and the inner part of the outer ring of the self-aligning roller bearing cannot be smoothly and completely inserted into the self-aligning roller bearing.

The embodiment of the application discloses a self-aligning roller bearing outer ring automatic quenching die. Referring to fig. 1, the automatic quenching mould of aligning roller bearing outer lane includes bottom plate 1, and the top of bottom plate 1 is provided with connecting seat 2, leaves the quenching space of placing the aligning roller bearing outer lane between connecting seat 2 and the bottom plate 1, is provided with inner circle filling device 3 on connecting seat 2, and inner circle filling device 3 is used for filling the inner space of aligning roller bearing outer lane, and inner circle filling device 3 is in the inner space of getting into the aligning roller bearing outer lane after with the inner circle wall butt of aligning roller bearing outer lane. The inner ring filling device 3 mainly can realize sufficient abutting of the inner space of the outer ring of the self-aligning roller bearing, so that a gap is not easily generated between the inner ring wall of the outer ring of the self-aligning roller bearing and the inner ring filling device 3, and the deformation amount can be reduced when quenching is performed.

As shown in fig. 2 and 3, the inner ring filling device 3 includes an extrusion portion 31 and an abutting portion 32, the abutting portion 32 has an inner ring wall and an outer ring wall, in this embodiment, the abutting portion 32 is formed by combining a plurality of expansion blocks 321, each expansion block 321 is an independent individual, two adjacent expansion blocks 321 are mutually attached, and finally, an annular shape is formed, that is, the expansion blocks 321 are placed from the first expansion block 321, and the rest expansion blocks 321 are sequentially placed next to each other, so that the last expansion block 321 is attached to the first expansion block 321; in appearance, the outer wall surface surrounded by the plurality of expansion blocks 321 is a spherical surface. The abutting part 32 is in a truncated cone shape, the end face with the largest area of the abutting part 32 is connected with the connecting seat 2, and the end face with the smallest area of the abutting part 32 faces the bottom plate 1 side; a squeezing space 7 for inserting the squeezing part 31 is formed among the plurality of expansion blocks 321, the shape of the squeezing space 7 is also a circular truncated cone shape, namely, the wall surface of the expansion block 321 forming the squeezing space 7 is an inclined surface, and the side wall of the expansion block 321 departing from the squeezing space 7 is attached to the inner ring wall of the self-aligning roller bearing outer ring; the outer ring wall of the abutting portion 32 is matched with the inner ring wall of the self-aligning roller bearing outer ring, that is, the radian of the side wall of the expansion block 321 departing from the extrusion space 7 is matched with the inner ring wall of the self-aligning roller bearing outer ring.

As shown in fig. 2 and 3, the outer ring wall of the pressing portion 31 and the inner ring wall of the abutting portion 32 are slidably attached, and both the outer ring wall of the pressing portion 31 and the inner ring wall of the abutting portion 32 are inclined surfaces, so that when the pressing portion 31 is vertically pressed down into the inner space of the self-aligning roller bearing outer ring and is attached to the inner ring wall of the abutting portion 32, the outer ring wall of the abutting portion 32 is abutted to move toward the inner ring wall side of the self-aligning roller bearing outer ring.

When the inner ring filling device 3 is placed inside the self-aligning roller bearing outer ring, the abutting part 32 is firstly placed inside the self-aligning roller bearing outer ring in advance, so that the outer ring wall of the abutting part 32 is attached to the inner ring wall of the self-aligning roller bearing outer ring, then the connecting seat 2 is moved towards the side close to the bottom plate 1, the extrusion part 31 is driven to enter the inside of the self-aligning roller bearing outer ring, and the outer ring wall of the extrusion part 31 is attached to the inner ring wall of the abutting part 32; since the outer ring wall of the pressing portion 31 and the inner ring wall of the abutting portion 32 are both inclined, when the pressing portion 31 moves toward the bottom plate 1, an outward expanding thrust is given to the inclined inner ring wall of the abutting portion 32, and the abutting portion 32 is tightly abutted against the inner ring wall of the self-aligning roller bearing outer ring. At this time, the abutting portion 32 and the pressing portion 31 fill the interior of the outer ring of the self-aligning roller bearing, thereby achieving an effect of reinforcing the interior of the outer ring of the self-aligning roller bearing; moreover, because the inner ring wall of the self-aligning roller bearing outer ring is a spherical surface and is not a vertical surface, the plurality of expansion blocks 321 can be firstly placed inside the self-aligning roller bearing outer ring to be quenched, and then the extrusion part 31 is placed in the abutting space of the plurality of expansion blocks 321 through the connecting seat 2, so that the placing is more convenient; similarly, after quenching, the extrusion part 31 is taken out first, and then the plurality of expansion blocks 321 are taken out synchronously, so that the expansion blocks are also taken out conveniently.

As shown in fig. 2 and 3, the connecting base 2 is provided with a mold release device 5, and the mold release device 5 is used for preventing the expansion block 321 from moving out of the inner space of the roller bearing outer ring when the pressing part 31 is released from the pressing space 7. Specifically, the demolding device 5 includes a disc spring 51 and a demolding frame 52, the demolding frame 52 is sleeved on the connecting seat 2, that is, the demolding frame 52 is substantially in a circular ring shape, and the connecting seat 2 is located inside the demolding frame 52; the disc spring 51 is welded between the demoulding frame 52 and the connecting seat 2, namely one end of the disc spring 51 is welded with the demoulding frame 52, and the other end of the disc spring is welded with the side wall of the connecting seat 2; the disc spring 51 makes the releasing frame 52 always have a tendency to move toward the bottom plate 1 side, and the releasing frame 52 is used for abutting against one end of the expansion block 321 close to the connecting seat 2.

After quenching is finished, the connecting seat 2 is moved to the side away from the base, and the extrusion part 31 is separated from the inner part of the self-aligning roller bearing outer ring; because a certain friction force exists between the inclined surface of the extrusion part 31 and the inclined surface of the expanding block 321, when the extrusion part 31 is separated from the extrusion space 7, the expanding block 321 is likely to be taken out from the inner part of the outer ring of the self-aligning roller bearing together, the expanding block 321 is closely attached to the outer ring of the self-aligning roller bearing, and the outer ring of the self-aligning roller bearing is likely to be lifted up together when the expanding block 321 is taken out; therefore, after the demolding device 5 is provided, when the extrusion portion 31 is released from the extrusion space 7, the expansion block 321 can be prevented from being taken out along with the extrusion portion 31, so that the effect of conveniently separating the extrusion portion 31 from the expansion block 321 is achieved, the outer ring of the self-aligning roller bearing is not easily taken away when the extrusion portion 31 is released from the outer ring of the self-aligning roller bearing, and the effect of conveniently demolding is achieved.

For ease of understanding, the present application explains the disc spring 51: the disc spring 51 is a disc spring 6, and the disc spring 6 is in a conical disc shape and is mainly characterized by large load, short stroke, small required space, convenient combination and use, easy maintenance and replacement and high economic safety. It is suitable for the precise heavy machinery with small space and large load. The optimal application range of the compression stroke is between 10% and 75% of the maximum compression stroke.

The specific demolding process comprises the following steps: when the connecting seat 2 with the extrusion part 31 is separated from the inner part of the self-aligning roller bearing outer ring, the disc spring 51 exerts certain pressure on the demoulding frame 52 under the action of the self elasticity, so that the demoulding frame 52 is abutted against the surface of the expansion block 321, and the direction of the exerted pressure faces to the bottom plate 1 side; therefore, when the connecting seat 2 with the extrusion part 31 is separated from the inner part of the self-aligning roller bearing outer ring, the demoulding frame 52 can resist the expansion block 321, so that the expansion block 321 is not easy to be synchronously separated along with the extrusion part 31, and the effect of conveniently separating the extrusion part 31 from the expansion block 321 is achieved.

As shown in fig. 2 and 3, a groove 3211 is formed on a side wall of each expansion block 321 facing away from the extrusion space 7, the grooves 3211 between adjacent expansion blocks 321 are communicated with each other, a spring 6 for enclosing the expansion blocks 321 is placed in the groove 3211, and the springs 6 make all the expansion blocks 321 have a tendency of contracting into the extrusion space 7. In the present embodiment, the expansion block 321 has a plurality of grooves 3211 along its circumferential direction, and since the outer circumferential wall of the expansion blocks 321 is a spherical surface, the grooves 3211 have different lengths, but are sequentially formed along the height direction of the abutment portion 32. And a ring of spring 6 is placed in each groove 3211, so as to stably hoop the multiple expansion blocks 321, so that the multiple expansion blocks 321 are not easily scattered.

After the spring 6 is placed in the groove 3211, the plurality of expansion blocks 321 are simultaneously surrounded, so that under the elastic force action of the spring 6, the plurality of expansion blocks 321 are simultaneously pushed towards the inner ring wall side away from the outer ring of the self-aligning roller bearing, and the expansion blocks 321 are further separated from the outer ring of the self-aligning roller bearing more easily during demolding.

As shown in fig. 2 and 3, a base plate 4 is arranged on the bottom plate 1, and the base plate 4 is connected with the bottom plate 1 through bolts, so that disassembly can be realized; and one end of the expansion block 321 far away from the connecting seat 2 is abutted against the backing plate 4, and one end of the expansion block 321 near the connecting seat 2 is abutted against the connecting seat 2. Be provided with first gasket between bottom plate 1 and the backing plate 4, the number of pieces of first gasket can change according to the operating mode, can directly unpack bottom plate 1 and backing plate 4 apart, then put first gasket between the two, is connected bottom plate 1 and backing plate 4 through the bolt again at last. Through the arrangement of the first gasket, the concentricity of the spherical surface of the expansion block 321 (namely the side wall of the expansion block 321 with radian and attached to the inner ring wall of the self-aligning roller bearing outer ring) and the inner ring wall of the self-aligning roller bearing outer ring in the height direction can be quickly adjusted, so that the taper of a product (namely the self-aligning roller bearing outer ring) after quenching is reduced.

As shown in fig. 2 and 3, a second gasket is disposed between the connecting seat 2 and the pressing portion 31, and the second gasket is not shown in the drawings. In this embodiment, the connecting seat 2 and the pressing portion 31 are also connected by a bolt, that is, the connecting seat 2 and the pressing portion 31 are detachably connected, and when the second gasket is placed between the connecting seat 2 and the pressing portion 31, only the bolt needs to be detached. The number of the second gaskets is set according to the specific quenching working condition, and the radial size of the spherical surface of the expanding block 321 can be quickly adjusted by increasing or reducing the second gaskets with stable size and consistent thickness, so that the roller path residual wear of the self-aligning roller bearing outer ring can be adjusted.

The implementation principle of the automatic quenching die for the self-aligning roller bearing outer ring in the embodiment of the application is as follows: before quenching operation, firstly, placing an outer ring of the self-aligning roller bearing to be quenched into a quenching space between the connecting seat 2 and the bottom plate 1, and then moving the connecting seat 2 to a direction close to the bottom plate 1; in this embodiment, an air cylinder is connected above the connecting seat 2, and the connecting seat 2 is lifted in the vertical direction by the air cylinder; when the pressing portion 31 is vertically pressed down into the pressing space 7, the inclined surface of the pressing portion 31 abuts against the inclined wall of the expansion block 321, the expansion blocks 321 diffuse outward and move toward the inner ring wall of the outer ring of the self-aligning roller bearing, the inside of the outer ring of the self-aligning roller bearing is filled with the pressing portion 31 and the expansion blocks 321, and the inside of the outer ring of the self-aligning roller bearing is not easily deformed during quenching, so that the effect of reducing the deformation of the self-aligning roller bearing after quenching to a certain extent is achieved. And when demoulding, directly through the cylinder with connecting seat 2 lift up, directly just lift extrusion portion 31 from extrusion space 7 in, extrusion portion 31 and rising piece 321 realize the separation, the drawing of patterns is also convenient and fast.

In summary, the present application has the following advantages: 1. the automatic die sleeving and demolding of the die can be realized, and the method is suitable for a continuous quenching process; 2. the concentricity of the spherical surface of the mold expansion block 321 and the outer ring raceway of the self-aligning roller bearing in the height direction can be quickly adjusted, and the product taper is reduced; 3. the radial dimension of the expansion block 321 is quickly adjusted, and the roller bed abrasion allowance after the self-aligning roller bearing outer ring is quenched is adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a mould of automatic quenching of self-aligning roller bearing outer lane which characterized in that: including bottom plate (1), the top of bottom plate (1) is provided with connecting seat (2), leave the quenching space of placing the self-aligning roller bearing outer lane between connecting seat (2) and bottom plate (1), be provided with inner circle filling device (3) on connecting seat (2), inner circle filling device (3) are used for filling the inner space of self-aligning roller bearing outer lane, just inner circle filling device (3) are after the inner space that gets into the self-aligning roller bearing outer lane with the inner circle wall butt of self-aligning roller bearing outer lane.

2. The self-quenching die for the self-aligning roller bearing outer ring according to claim 1, characterized in that: inner circle is filled device (3) and is included extrusion portion (31) and butt portion (32), butt portion (32) have inner circle wall and outer circle wall, the outer lane wall of butt portion (32) and the inner circle wall adaptation of self-aligning roller bearing outer lane, extrusion portion (31) set up on connecting seat (2), the outer lane wall of extrusion portion (31) and the sliding fit of the inner circle wall of butt portion (32), just the outer lane wall of extrusion portion (31) and the equal slope setting of inner circle wall of butt portion (32) extrusion portion (31) are vertical to be pushed down and are got into the inner space of self-aligning roller bearing outer lane and when laminating with the inner circle wall of butt portion (32), the outer lane wall of butt portion (32) is being supported and is removed to the inner circle wall side that is close to the self-aligning roller bearing outer lane.

3. The self-quenching die for the self-aligning roller bearing outer ring according to claim 2, characterized in that: butt portion (32) are including a plurality of pieces that rise (321), and are a plurality of form between the piece that rises (321) and supply extrusion portion (31) male extrusion space (7), that wall that the piece that rises (321) formed extrusion space (7) is the inclined plane, the lateral wall that the piece that rises (321) deviates from extrusion space (7) is laminated with the inner circle wall of aligning roller bearing outer lane mutually.

4. The self-quenching die for the self-aligning roller bearing outer ring according to claim 3, characterized in that: be provided with backing plate (4) on bottom plate (1), the one end that connecting seat (2) were kept away from in expansion piece (321) is inconsistent with backing plate (4), the one end that expansion piece (321) is close to connecting seat (2) is inconsistent with connecting seat (2).

5. The self-aligning roller bearing outer ring automatic quenching die as claimed in claim 1, wherein: and the connecting seat (2) is provided with a demoulding device (5), and the demoulding device (5) is used for preventing the expansion block (321) from moving out of the inner space of the outer ring of the roller bearing when the extrusion part (31) is pulled out of the extrusion space (7).

6. The self-quenching die for the self-aligning roller bearing outer ring according to claim 5, characterized in that: shedder (5) are including dish spring (51) and release frame (52), release frame (52) cover is on connecting seat (2), dish spring (51) set up between release frame (52) and connecting seat (2), dish spring (51) make release frame (52) have the trend to bottom plate (1) side removal all the time, release frame (52) are used for and rise one end that piece (321) is close to connecting seat (2) inconsistent.

7. The self-quenching die for the self-aligning roller bearing outer ring according to claim 3, characterized in that: the side wall of each expansion block (321) departing from the extrusion space (7) is provided with a groove (3211), the grooves (3211) between the adjacent expansion blocks (321) are communicated with each other, a spring (6) used for surrounding the expansion blocks (321) is placed in each groove (3211), and the springs (6) enable all the expansion blocks (321) to have the tendency of contracting towards the extrusion space (7).

8. The self-quenching die for the self-aligning roller bearing outer ring according to claim 4, characterized in that: a first gasket is arranged between the bottom plate (1) and the backing plate (4).

9. The self-quenching die for the self-aligning roller bearing outer ring according to claim 2, characterized in that: a second gasket is arranged between the connecting seat (2) and the extrusion part (31).

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