CN212598328U

CN212598328U - Conical roller bearing ring riveting die

Info

Publication number: CN212598328U
Application number: CN202021086269.3U
Authority: CN
Inventors: 高立军; 沙东雷; 孙超; 王耀辉
Original assignee: Xuzhou Une Innovative Technology Co ltd
Current assignee: Xuzhou Une Innovative Technology Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-02-26
Anticipated expiration: 2030-06-13

Abstract

The utility model discloses a awl roller bearing circle riveting die, including mould body, lower packing ring, upper gasket, the die cavity has been seted up on the mould body, the die cavity bottom is provided with down the module, and the opposite side is provided with one and goes up the module, mould body both sides are close to module department down and are provided with perpendicular ascending two rings of spacer pins, the spacer pin equidistance sets up, and the top is provided with a packing ring, lower packing ring bottom is provided with a spacing groove, the spacing groove pairs with the spacer pin and uses, lower packing ring top is provided with two sets of recesses, an upper gasket is installed to the recess top, the upper gasket bottom is provided with two sets of archs, and sets up with the recess is supporting, lower packing ring, upper gasket are close to a mould body fixedly connected with elastic plate, be provided with an appearance chamber between elastic plate and the mould body. The utility model discloses in, through having established two packing rings in the mould body with, effectively reduce the impact of riveting in-process to the mould body, reduce mould cost of maintenance.

Description

Conical roller bearing ring riveting die

Technical Field

The utility model relates to a bearing tooling mould technical field especially relates to a tapered roller race ring riveting mould.

Background

At present, the assembly of the tapered roller bearing is generally realized through riveting, the riveting die generally comprises a die body, a riveting die cavity for placing the bearing is correspondingly arranged on the die body, an oil cylinder is arranged above the die body, a pressing block is fixedly arranged on a piston rod of the oil cylinder, and during riveting, the pressing block is driven by the oil cylinder to descend so as to act on the upper end surface of the die body, so that the riveting of the bearing in the riveting die cavity is realized, and the assembly of the bearing is completed.

In the riveting process of the die, the upper die block is directly stamped, so that the die cavity, the die bodies on two sides and the like are easily extruded, and the die is easily damaged after being used for many times; in the existing tapered roller bearing die, the die is integrated, and if the die is damaged, the die needs to be integrally replaced, so that the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a conical roller bearing ring riveting die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a conical roller bearing ring riveting die comprises a die body, a lower gasket and an upper gasket, wherein a die cavity is formed in the die body, a lower die block is arranged at the bottom of the die cavity, an upper die block is arranged on the other side of the die body, two rings of limiting pins which are vertically upward are arranged at the positions, close to the lower die block, of two sides of the die body, the limiting pins are arranged at equal intervals, a lower gasket is arranged above the limiting pins, a limiting groove is formed in the bottom of the lower gasket and is matched with the limiting pins for use, two groups of grooves are formed in the top of the lower gasket, an upper gasket is arranged above the grooves, two groups of bulges are arranged at the bottom of the upper gasket and are matched with the grooves, an elastic plate is fixedly connected to the positions, close to the die body, of the lower gasket and the upper gasket, a containing cavity is formed between the elastic, the mould comprises a mould body and is characterized in that an inclined plane is arranged above the mould body, the upper side of the elastic plate extends towards two sides and is attached to the surface of the inclined plane, a groove is formed in the inner side of the top of the upper gasket, two sides of the upper module are clamped in the groove, a male mould is arranged on one side, close to the mould cavity, of the upper module, and a plurality of pressing riveting ejector pins are fixedly connected to the bottom of the male mould.

As a further description of the above technical solution:

the diameter of the limiting pin is smaller than that of the limiting groove, and gaps between the limiting pin and the limiting groove are arranged on one side far away from the die cavity.

As a further description of the above technical solution:

the maximum compression distance of the containing cavity is larger than the gap between the limiting pin and the limiting groove.

As a further description of the above technical solution:

the diameter of the upper die block is larger than that of the lower die block, and the inner side wall of the die cavity is in a cone shape.

As a further description of the above technical solution:

the center normal of the upper module and the center normal of the lower module are on the same axis.

As a further description of the above technical solution:

the inclined plane is fifteen degrees slope setting, and the inclined plane width is approximately equal to lower gasket width.

As a further description of the above technical solution:

the pressure riveting thimbles are uniformly distributed on the circumferences with different diameters and the same circle center, and four circles are arranged.

The utility model discloses following beneficial effect has:

1. the utility model discloses in through be provided with one in the mould body and hold the chamber, be provided with the spring in holding the chamber, when the riveting, when upper and lower module extrudeed to both sides, effectively cushion, reduce the impact to the mould body, simultaneously, when the mould takes place to damage, can change according to the part that damages, effectively save the expense that the mould maintenance was changed.

2. The utility model discloses in through the setting on elastic plate and inclined plane, impact force when effectively pushing down the last module shares to mould body and upper and lower gasket in, reduces the impact to the mould body.

Drawings

Fig. 1 is a schematic structural view of a tapered roller bearing ring riveting die provided by the present invention;

fig. 2 is an enlarged schematic view of a structure at a position a in fig. 1 of the tapered roller bearing ring riveting die provided by the utility model;

fig. 3 is an enlarged schematic view of a structure at a position B in fig. 1 of the tapered roller bearing ring riveting die provided by the utility model;

fig. 4 is the utility model provides a C department's enlarged schematic diagram in fig. 1 of tapered roller bearing circle riveting mould.

Illustration of the drawings:

1. a mold body; 2. a lower gasket; 3. an upper gasket; 4. an upper module; 5. a male die; 6. pressing and riveting the thimble; 7. a lower module; 8. a mold cavity; 9. a cavity; 10. a spring; 11. an elastic plate; 12. a protrusion; 13. a groove; 14. a bevel; 15. a spacing pin; 16. a limiting groove.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a conical roller bearing ring riveting die comprises a die body 1, a lower gasket 2 and an upper gasket 3, wherein a die cavity 8 is arranged on the die body 1, a lower die block 7 is arranged at the bottom of the die cavity 8, an upper die block 4 is arranged at the other side of the die body, two rings of limiting pins 15 which are vertically upward are arranged at two sides of the die body 1 close to the lower die block 7, the limiting pins 15 are arranged at equal intervals, a lower gasket 2 is arranged above the limiting pins, a limiting groove 16 is arranged at the bottom of the lower gasket 2, the limiting groove 16 is matched with the limiting pins 15 for use, two groups of grooves 13 are arranged at the top of the lower gasket 2, an upper gasket 3 is arranged above the grooves 13, two groups of bulges 12 are arranged at the bottom of the upper gasket 3 and are matched with the grooves 13, an elastic plate 11 is fixedly connected at the positions of the lower gasket 2 and the upper gasket 3 close to the die body 1, a containing cavity 9, the die comprises a die body 1, an inclined plane 14 is arranged above the die body 1, the elastic plate 11 extends towards two sides and is attached to the surface of the inclined plane 14, a groove is formed in the inner side of the top of an upper gasket 3, two sides of an upper die block 4 are clamped in the groove, a male die 5 is arranged on one side, close to a die cavity 8, of the upper die block 4, and a plurality of pressure riveting ejector pins 6 are fixedly connected to the bottom of the male die 5.

15 diameters of spacer pin are less than the spacing groove 16 diameter, and the clearance all sets up keeping away from die cavity 8 one side between spacer pin 15 and the spacing groove 16, hold the biggest compressed distance in chamber 9 and be greater than the clearance between spacer pin 15 and the spacing groove 16, it is greater than module 7 diameters down to go up module 4 diameter, 8 inside walls of die cavity are the awl section of thick bamboo form, it is on the same axis with module 7 central normal down to go up module 4, inclined plane 14 is fifteen degrees slope settings, and 14 widths on inclined plane are roughly equal to down 2 widths of packing ring, press and rivet 6 evenly distributed on the different diameter circumference of same centre of a circle, and be provided with four rings altogether.

The working principle is as follows:

1. when the die is installed, the die body is fixed on a riveting plane, a limiting pin which aligns a limiting groove at the bottom of the lower gasket with the bottom of the die body is inserted, the upper gasket is clamped on the lower gasket through a groove and a bulge, after the die is installed, a bearing ring to be riveted is placed in a die cavity, and the upper gasket is clamped at the top of the upper gasket.

2. When riveting, the upper module is pressed downwards, the upper gasket is pressed downwards to enable the elastic plate to be in contact with the inclined plane to form buffering, the inner side bearing ring is pressed towards two sides, the spring works to form buffering, and meanwhile, the limiting pin and the limiting groove in the lower gasket are displaced relatively to further buffer.

3. When the die is damaged, the whole die does not need to be replaced, and a single part can be replaced, so that a large amount of maintenance cost is saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tapered roller bearing circle riveting mould, includes mould body (1), lower gasket (2), goes up packing ring (3), its characterized in that: the die comprises a die body (1), a die cavity (8) is formed in the die body (1), a lower die block (7) is arranged at the bottom of the die cavity (8), an upper die block (4) is arranged on the other side of the die body, two vertical and upward limiting pins (15) are arranged at positions, close to the lower die block (7), of two sides of the die body (1), the limiting pins (15) are arranged at equal intervals, a lower gasket (2) is arranged above the limiting pins, a limiting groove (16) is arranged at the bottom of the lower gasket (2), the limiting groove (16) is matched with the limiting pins (15) for use, two groups of grooves (13) are formed in the top of the lower gasket (2), an upper gasket (3) is installed above the grooves (13), two groups of bulges (12) are arranged at the bottom of the upper gasket (3) and are matched with the grooves (13), and an elastic plate (11) is fixedly connected at positions, be provided with between elastic plate (11) and mould body (1) and hold chamber (9), it is provided with a plurality of springs (10) to hold chamber (9) mesosphere, mould body (1) top is provided with an inclined plane (14), extend to both sides above elastic plate (11), and laminating inclined plane (14) surface, it is provided with a fluting to go up packing ring (3) top inboard, and goes up module (4) both sides joint in the fluting, it is provided with terrace die (5) to go up module (4) one side of being close to die cavity (8), thimble (6) is riveted to a plurality of pressures of fixedly connected with in terrace die (5) bottom.

2. The tapered roller bearing ring riveting die of claim 1, wherein: the diameter of the limiting pin (15) is smaller than that of the limiting groove (16), and gaps between the limiting pin (15) and the limiting groove (16) are arranged on one side far away from the die cavity (8).

3. The tapered roller bearing ring riveting die of claim 1, wherein: the maximum compression distance of the accommodating cavity (9) is larger than the gap between the limiting pin (15) and the limiting groove (16).

4. The tapered roller bearing ring riveting die of claim 1, wherein: the diameter of the upper die block (4) is larger than that of the lower die block (7), and the inner side wall of the die cavity (8) is in a cone shape.

5. The tapered roller bearing ring riveting die of claim 1, wherein: the central normal lines of the upper module (4) and the lower module (7) are on the same axis.

6. The tapered roller bearing ring riveting die of claim 1, wherein: the inclined plane (14) is obliquely arranged at fifteen degrees, and the width of the inclined plane (14) is approximately equal to that of the lower gasket (2).

7. The tapered roller bearing ring riveting die of claim 1, wherein: the press riveting thimbles (6) are uniformly distributed on the circumferences with different diameters and the same circle center, and are provided with four circles.