CN214184875U

CN214184875U - Device for forming axial cracks in annular parts

Info

Publication number: CN214184875U
Application number: CN202023351204.XU
Authority: CN
Inventors: 陈庆熙; 赵荣多; 黄天华; 王冰; 曹一冰; 刘双喜; 李洁梅; 刘静
Original assignee: Tcb Bearing Manufacturing Co ltd
Current assignee: Tcb Bearing Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-14
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of the bearing, especially, relate to form axial crack's device at annular part. The annular part cracking device comprises a base, a positioning plate arranged on the base and a pressing sleeve which is sleeved on the outer side of the positioning plate and can move up and down relative to the base, wherein the pressing sleeve and the positioning plate jointly enclose a cracking cavity for placing an annular part, and when the annular part is located in the cracking cavity, the upper end surface of the pressing sleeve is higher than the highest point of the peripheral surface of the annular part. The bearing outer ring to be cracked is limited through a cracking cavity formed by the pressing sleeve and the positioning plate, when the bearing outer ring is cracked, the upper end face of the pressing sleeve is firstly contacted by the press, the press presses down to drive the pressing sleeve to press down together until the pressing sleeve presses the bearing outer ring to complete the cracking action, and thus the bearing outer ring is positioned and oriented through the cracking cavity, the cracking position of the bearing outer ring can be kept upward, and the bearing outer ring is not easy to shift. In addition, the press is firstly contacted with the pressing sleeve to play a role in protection, and the pressing sleeve cannot be directly pressed to the outer ring, so that the cracking effect of the outer ring is better.

Description

Device for forming axial cracks in annular parts

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the bearing, especially, relate to form axial crack's device at annular bearing part.

[ background of the invention ]

The bearing capacity is related to the number of rolling elements filled in the bearing, and the larger the number of the rolling elements is, the larger the bearing capacity is. In order to obtain higher bearing capacity, especially bearing capacity of ball bearings, the prior art is mostly realized by forming an axial crack on an outer ring of a bearing or forming a ball-loading gap on the diameter of a flange of the inner ring and the outer ring of the bearing, and filling a large number of balls into the bearing through the crack or the gap. For the outer ring axial cracking type multi-ball bearing, the outer ring axial cracking type multi-ball bearing is limited by the existing outer ring cracking technology, the defects of irregular cracks, collapse defects, no resetting and inosculation after cracking and the like often occur, and the appearance quality and the subsequent use of the bearing are seriously influenced.

[ summary of the invention ]

For solving the above-mentioned problem at bearing inner race fracture defect, the utility model provides a form axial fracture's device at annular part.

The utility model discloses a realize through following technical scheme:

the device for forming the axial crack on the annular part comprises a base, a positioning plate arranged on the base and a pressing sleeve which is sleeved on the outer side of the positioning plate and can move up and down relative to the base, wherein the pressing sleeve and the positioning plate jointly form a cracking chamber for placing the annular part, and when the annular part is located in the cracking chamber, the upper end face of the pressing sleeve is higher than the highest point of the peripheral face of the annular part.

According to the device for forming the axial crack on the annular part, a positioning structure for preventing the annular part from rolling is further arranged on the base and positioned in the cracking cavity.

According to the device for forming the axial cracks on the annular part, the positioning structure is an arc-shaped concave position which is arranged on the upper surface of the base and is downwards concave.

According to the device for forming the axial cracks on the annular part, the two side edges of the arc concave position, which are connected with the upper surface of the base, are inclined plane connecting sections or arc surface connecting sections with the curvature radius larger than that of the arc concave position.

According to the device for forming the axial cracks on the annular part, the pressing sleeve and the base are further provided with the elastic reset assembly.

According to the device for forming the axial cracks on the annular part, the elastic reset component comprises guide posts which are arranged on the base and positioned on two sides or the periphery of the pressing sleeve, the pressing sleeve is provided with side wings which can be sleeved on the guide posts, and the guide posts are also provided with springs which are abutted between the side wings and the base.

According to the device for forming the axial cracks on the annular part, the two positioning plates are fixedly connected to the base and are arranged at intervals and are respectively positioned on two sides of the positioning structure.

According to the device for forming the axial cracks on the annular part, the number of the positioning plates is two, the two positioning plates can be movably arranged on the base, and the base is further provided with an adjusting piece capable of adjusting the distance between the two positioning plates.

According to the device for forming the axial crack on the annular part, the base is provided with the groove for inserting the bottom of the positioning plate, and the adjusting piece extends into the groove from one side of the base to be connected with the positioning plate.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model provides a form axial crack's device at annular part, its bearing inner race that comes spacing waiting to ftracture through the fracture cavity that presses cover and locating plate to form, moreover when the fracturing, the press is at first the contact be the up end of pressing the cover, the press pushes down the drive and presses the cover together to push down, accomplishes the fracturing action until pressing the bearing outer race, like this through the directional bearing inner race of fracture cavity location, can keep its fracturing department up, be difficult for shifting moreover. In addition, the press is firstly contacted with the pressing sleeve to play a role in protection, and the pressing sleeve cannot be directly pressed to the outer ring, so that the cracking effect of the outer ring is better. The cracks on the bearing outer ring are neat, the seams are intact, and the cracks can not be seen by naked eyes basically after filling and resetting.

2. The utility model provides a form the cracked device of axial at annular part, still be equipped with the arc concave position of location usefulness on it, can make circular shape bearing inner race lower extreme can fall into to concave position in like this, further prevent that the outer lane from rolling when the fracturing.

[ description of the drawings ]

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

FIG. 1 is a schematic view of the annular part of the present invention installed in a device for forming axial cracks in the annular part;

FIG. 2 is a schematic structural view of the device for forming axial cracks in annular parts according to the present invention;

FIG. 3 is a half sectional view of the apparatus for forming axial cracks in a ring-shaped part according to the present invention;

FIG. 4 is an exploded view of the first embodiment of the present invention;

FIG. 5 is a second schematic view of the apparatus for forming axial cracks in a ring-shaped part according to the present invention;

FIG. 6 is an exploded view of the device for forming axial cracks on a ring-shaped part according to the present invention;

fig. 7 is a schematic diagram of the annular part after the annular part is cracked by the device for forming axial cracks of the annular part.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a realize through following technical scheme:

as shown in fig. 1 to 7, the device for forming an axial crack in an annular part includes a base 1, a positioning plate 2 disposed on the base 1, and a pressing sleeve 3 sleeved outside the positioning plate 2 and capable of moving up and down relative to the base 1, wherein the pressing sleeve 3 and the positioning plate 2 together enclose a cracking chamber 101 for placing an annular part 9, and when the annular part 9 is located in the cracking chamber 101, an upper end surface of the pressing sleeve 3 is higher than a highest point of an outer peripheral surface of the annular part 9. The utility model provides a form axial crack's device at annular part, its bearing inner race that comes spacing waiting to ftracture through the fracture cavity that presses cover and locating plate to form, moreover when the fracturing, the press is at first the contact be the up end of pressing the cover, the press pushes down the drive and presses the cover together to push down, accomplishes the fracturing action until pressing the bearing outer race, like this through the directional bearing inner race of fracture cavity location, can keep its fracturing department up, be difficult for shifting moreover. In addition, the press is firstly contacted with the pressing sleeve to play a role in protection, and the pressing sleeve cannot be directly pressed to the outer ring, so that the cracking effect of the outer ring is better.

Furthermore, a positioning structure 4 for preventing the annular part 9 from rolling is also arranged on the base 1 in the cracking chamber 101. Therefore, the lower end of the circular bearing outer ring can fall into the concave position, and the outer ring is further prevented from rolling during fracturing.

Specifically, location structure 4 is for locating the arc concave position that the upper surface of base 1 is sunken downwards. The concave position of the bearing is matched with the outer surface of the bearing outer ring, so that the rolling effect of the bearing is limited after the bearing is placed. In this scheme, only need the manual work to put into the back, through rotating with the position of breach up, can accomplish the installation.

In addition, the two side edges of the arc concave position connected with the upper surface of the base 1 are inclined plane connecting sections or arc surface connecting sections with the curvature radius larger than that of the arc concave position. The bearing outer ring that the one comes the adaptation different radius sizes to use, and second come when fracturing, the bearing outer ring can take place to warp in the twinkling of an eye, becomes flat equivalently, and the cambered surface connecting section of both sides just is used for the process that the adaptation warp, can not harm the bearing outer ring surface.

Still further, an elastic reset component is arranged on the pressing sleeve 3 and the base 1. The automatic resetting of the pressing sleeve is convenient after the fracturing is finished. Specifically, the elastic reset component comprises guide posts 11 arranged on the base 1 and positioned on two sides or the periphery of the pressing sleeve 3, side wings 31 capable of being sleeved on the guide posts 11 are arranged on the pressing sleeve 3, and springs are arranged on the guide posts 11 and abutted between the side wings and the base (1).

Furthermore, the number of the positioning plates 2 is two, and the two positioning plates 2 are arranged at intervals and are respectively positioned on two sides of the positioning structure 4. The positioning plates on the two sides play a role in limiting the thickness of the bearing outer ring, and the bearing outer ring is limited in the cracking cavity 101. According to the scheme, the positioning plate 2 is fixedly connected to the base 1, and the positioning plate can be connected to the base in a welding mode, a riveting mode and the like; consider that different bearing inner race size thickness is different, still can set to the bearing inner race fracture use that two locating plates adjustable mode match different specifications, the concrete scheme is: as shown in fig. 5 and 6, the number of the positioning plates 2 is two, the two positioning plates 2 are movably arranged on the base 1, and the base 1 is further provided with an adjusting member 6 capable of adjusting the distance between the two positioning plates 2. Specifically, a groove 12 for inserting the bottom of the positioning plate 2 is formed in the base 1, and the adjusting piece 6 extends into the groove 12 from one side of the base 1 and is connected with the positioning plate 2. The position of the positioning plate can be adjusted by rotating the adjusting piece, so that the positioning plate can be matched with bearing outer rings of different specifications to be cracked for use.

The utility model provides a form axial crack's device at annular part, its bearing inner race that comes spacing waiting to ftracture through the fracture cavity that presses cover and locating plate to form, moreover when the fracturing, the press is at first the contact be the up end of pressing the cover, the press pushes down the drive and presses the cover together to push down, accomplishes the fracturing action until pressing the bearing outer race, like this through the directional bearing inner race of fracture cavity location, can keep its fracturing department up, be difficult for shifting moreover. In addition, the press is firstly contacted with the pressing sleeve to play a role in protection, and the pressing sleeve cannot be directly pressed to the outer ring, so that the cracking effect of the outer ring is better.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions under the design prerequisite, or the replacement should all regard as the utility model discloses a protection scope.

Claims

1. The device for forming the axial cracks on the annular parts is characterized by comprising a base (1), a positioning plate (2) arranged on the base (1) and a pressing sleeve (3) which is sleeved on the outer side of the positioning plate (2) and can move up and down relative to the base (1), wherein the pressing sleeve (3) and the positioning plate (2) jointly enclose a cracking chamber (101) for placing the annular parts (9), and when the annular parts (9) are located in the cracking chamber (101), the upper end faces of the pressing sleeve (3) are higher than the highest point of the peripheral face of the annular parts (9).

2. Device for forming axial cracks in annular parts according to claim 1, characterized in that positioning structures (4) for preventing annular parts (9) from rolling are also arranged on the base (1) inside the cracking chamber (101).

3. Device for forming axial cracks in annular parts according to claim 2, characterized in that said positioning structure (4) is an arc-shaped concave position which is arranged on the upper surface of the base (1) and is concave downwards.

4. The device for forming axial cracks on the annular part according to claim 3, wherein two side edges of the arc-shaped concave position, which are connected with the upper surface of the base (1), are inclined plane connecting sections or arc-shaped connecting sections with a curvature radius larger than that of the arc-shaped concave position.

5. Device for forming axial cracks in annular parts according to claim 1, characterized in that elastic return means are also provided on the pressing sleeve (3) and on the base (1).

6. The device for forming the axial cracks on the annular part according to claim 5, wherein the elastic reset component comprises guide posts (11) which are arranged on the base (1) and are positioned on two sides or the periphery of the pressing sleeve (3), the pressing sleeve (3) is provided with side wings (31) which can be sleeved on the guide posts (11), and the guide posts (11) are also provided with springs which are abutted between the side wings and the base (1).

7. The device for forming the axial cracks in the annular part according to claim 2, wherein the positioning plates (2) are fixedly connected to the base (1), the number of the positioning plates (2) is two, and the two positioning plates (2) are arranged at intervals and are respectively positioned at two sides of the positioning structure (4).

8. The device for forming the axial cracks on the annular part according to claim 2, wherein the positioning plates (2) are two, the two positioning plates (2) are movably arranged on the base (1), and the base (1) is further provided with an adjusting piece (6) capable of adjusting the distance between the two positioning plates (2).

9. The device for forming the axial crack on the ring-shaped part according to the claim 8 is characterized in that the base (1) is provided with a groove (12) for inserting the bottom of the positioning plate (2), and the adjusting piece (6) extends into the groove (12) from one side of the base (1) and is connected with the positioning plate (2).