CN210188309U

CN210188309U - Arc pressing forming mechanism of bearing retainer

Info

Publication number: CN210188309U
Application number: CN201921000837.0U
Authority: CN
Inventors: Faqiang Ji; 吉发强; Zhijie Qiu; 邱志杰
Original assignee: Ningbo Yiming Bearing Co Ltd
Current assignee: Ningbo Yiming Bearing Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-27
Anticipated expiration: 2029-06-28

Abstract

The utility model provides an arc pressure forming mechanism of bearing retainer, be equipped with the processing station on the workstation, be equipped with fixed moulding-down die on the processing station, install the activity that can reciprocate directly over fixed moulding-down die and go up the moulding-down claw that has circumference interval distribution and upwards extension, the bottom shaping of activity moulding-down die has circumference interval distribution and upwards extension last pressure claw, go up pressure claw and lower pressure claw align one by one from top to bottom, the up end of lower pressure claw is the horizontal plane, the lower terminal surface of going up pressure claw has the interior horizontal plane of the interior inside horizontal extension of outer inclined plane from outer to interior slant slope. The upper end face of the lower pressing claw of the fixed lower pressing claw of the arc pressing and forming mechanism of the bearing retainer is a horizontal plane, the lower end face of the upper pressing claw of the movable lower pressing die is an outer inclined plane and an inner horizontal plane from outside to inside in sequence, and the straight claw at the bottom of the retainer can be pressed flat through one-time die pressing, so that the structure of the whole mechanism is simpler, and the processing efficiency is greatly improved.

Description

Arc pressing forming mechanism of bearing retainer

Technical Field

The utility model relates to a bearing processingequipment especially relates to an arc pressure forming mechanism of bearing retainer.

Background

The bearing is a component for fixing and reducing the friction coefficient of load in the mechanical transmission process, namely, a component for reducing the friction coefficient in the power transmission process and keeping the center position of the shaft fixed when other components move relative to each other on the shaft, and the main function of the bearing is to support a mechanical rotating body for reducing the friction coefficient of the mechanical load of the equipment in the transmission process.

Among the various bearings, deep groove ball bearings, which have retainers for positioning the balls, are most widely used. The existing retainer comprises a retainer bottom and a retainer cover, wherein the edge of the retainer bottom is provided with a plurality of claw sheets which vertically extend upwards at intervals, the existing retainer press-fitting forming device firstly bends the claw sheets at the bottom of the retainer to be about 45 degrees and then flattens the bent claw sheets with 45 degrees, and thus, the retainer needs to be subjected to twice operations in the press-fitting process, correspondingly, two different upper pressing dies are needed, the equipment cost is increased, and the processing efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide an arc pressure forming mechanism of bearing holder that simple structure, holder once pressed the back and can shape promptly.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the arc pressing and forming mechanism of the bearing retainer comprises a workbench and is characterized in that: the stamping die is characterized in that a machining station is arranged on the workbench, a fixed lower die is arranged on the machining station, a movable upper die capable of moving up and down is mounted right above the fixed lower die, lower pressing claws which are distributed circumferentially at intervals and extend upwards are formed at the top of the fixed lower die, upper pressing claws which are distributed circumferentially at intervals and extend downwards are formed at the bottom of the movable upper die, the upper pressing claws and the lower pressing claws are aligned one by one up and down, the upper end surfaces of the lower pressing claws are horizontal planes, and the lower end surfaces of the upper pressing claws are provided with outer inclined planes inclining from outside to inside and inner horizontal planes extending from the inner sides of the outer inclined planes.

In order to facilitate the arc compression molding of the retainer, the inclination angle of the outer inclined plane relative to the inner horizontal plane is 40-50 degrees.

Preferably, the outer inclined plane and the inner horizontal plane are in smooth transition.

In order to remove the processed bearing, the arc-shaped forming mechanism also comprises a material receiving mechanism used for receiving the bearing with the retainer installed.

The receiving mechanism can have multiple structures, preferably, the receiving mechanism comprises a first cylinder, a lower base plate, a second cylinder, a guide rod, an upper base plate and a receiving plate, the lower base plate is installed on the output end of the first cylinder, the second cylinder is installed on the lower base plate, the guide rod is installed between the upper base plate and the lower base plate, the upper base plate is installed on the output end of the second cylinder, and the receiving plate is installed on the front side and the rear side of the lower pressing die and used for receiving bearings of the retainer after installation.

In order to smoothly take away the processed bearing by the material receiving plate, the inner side of the material receiving plate is provided with a step for bearing the outer ring of the bearing.

Compared with the prior art, the utility model has the advantages of: the fixed lower pressing die of the arc pressing and forming mechanism of the bearing retainer is matched with the movable upper pressing die, the upper end surface of the lower pressing claw which is fixedly pressed and grabbed is a horizontal plane, the lower end surface of the upper pressing claw of the movable lower pressing die is an outer inclined plane and an inner horizontal plane in sequence from outside to inside, and thus, through one-time compression forming, the straight claw at the bottom of the retainer can be pressed flat, the whole mechanism is simpler in structure, and the processing efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the embodiment of the present invention when the straight claws of the bottom of the holder are not pressed;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the embodiment of the present invention after the straight claws at the bottom of the holder are flattened;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural diagram of an upper pressing die according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the holder according to the embodiment of the present invention before the straight claw is flattened;

FIG. 7 is an exploded perspective view of the cage of FIG. 6;

fig. 8 is a schematic structural view of the holder according to the embodiment of the present invention during the process of flattening the straight claw;

fig. 9 is a schematic structural view of the holder according to the embodiment of the present invention after the straight claws are completely flattened.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the arc press forming mechanism of the bearing holder of the present embodiment includes a table 1, a processing station is provided on the table 1, a fixed lower die 2 is provided on the processing station, a movable upper die 3 capable of moving up and down is installed directly above the fixed lower die 2, lower press claws 21 are formed at the top of the fixed lower die 2 and circumferentially spaced and extending upward, upper press claws 31 are formed at the bottom of the movable upper die 3 and circumferentially spaced and extending downward, the upper press claws 31 are aligned with the lower press claws 21 one by one, the upper end surfaces of the lower press claws 21 are horizontal surfaces, and the lower end surfaces of the upper press claws 31 have outer inclined surfaces 311 inclined upward from outside to inside and inner horizontal surfaces 312 extending horizontally from the inside of the outer inclined surfaces.

In this embodiment, the inclination angle of the outer inclined surface 311 with respect to the inner horizontal surface 312 is 40 ° to 50 °, and the outer inclined surface 311 and the inner horizontal surface 312 are smoothly transited.

Besides, a material receiving mechanism 4 is also installed beside the workbench 1, and the material receiving mechanism 4 is used for receiving a bearing 5 which is positioned at the processing station and is provided with a completely installed retainer 51. The receiving mechanism 4 includes a first cylinder 41, a lower plate 42, a second cylinder 43, a guide rod 44, an upper plate 45 and a receiving plate 46. The lower base plate 42 is installed on the output end of the first cylinder 41, the second cylinder 43 is installed on the lower base plate 42, the guide rod 44 is vertically installed between the upper base plate 45 and the lower base plate 42, the upper base plate 45 is installed on the output end of the second cylinder 43, the material receiving plates 46 are installed on the front side and the rear side of the lower pressing die 2, steps 461 are arranged on the inner sides of the material receiving plates 6, and the steps 461 are used for receiving the bearing outer ring 52 of the bearing 5 after the retainer 51 is installed.

As shown in fig. 6 and 7, the holder 51 of the bearing 5 includes a holder base 511 and a holder cover 512, wherein straight claws 5111 extending upward are distributed at intervals around the holder base 511. The holder base 511 and the holder cover 512 are combined together as shown in fig. 1, and at this time, the holder 51 is not yet subjected to the upper die 3 and the lower die 2.

As shown in fig. 8 and 9, when the upper die 3 moves downward, the lower end surface of the upper pressing claw 31 of the upper die 3 comes into contact with and presses the straight claw 5111, so that the straight claw 5111 is bent at an angle corresponding to the outer inclined surface 311 of the upper pressing claw 31. The bent straight claw 5111 is then pressed flat and matched with the lower die 2 to press the holder bottom 511 and the holder cover 512 together.

The working process of the arc forming mechanism is as follows:

firstly, the bearing 5 loaded with the retainer 51 is conveyed to a processing station, and the material receiving plate 46 moves downwards and keeps a distance from the bottom of the bearing 5; then, the upper die 3 moves downward and flattens the straight claw 5111 of the holder base 511; finally, the upper die 3 is reset upwards, the material receiving plate 46 moves upwards and receives the processed bearing 5 on the lower die 2, the bearing outer ring 52 of the bearing 5 is just located on the step 461 of the material receiving plate 46, and the material receiving plate 46 conveys the bearing 5 to the next processing station.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides an arc pressure forming mechanism of bearing retainer, includes workstation (1), its characterized in that: be equipped with the processing station on workstation (1), be equipped with fixed bed die (2) on the processing station install movable bed die (3) that can reciprocate directly over fixed bed die (2), the top shaping of fixed bed die (2) has circumference interval distribution and the lower claw (21) that upwards extend, the bottom shaping of activity bed die (3) has circumference interval distribution and the last claw (31) that upwards extend, go up claw (31) and lower claw (21) and align one by one from top to bottom, the up end of lower claw (21) is the horizontal plane, the lower extreme mask of going up claw (31) has outer inclined plane (311) that from outer to inner slant inclined slope and interior horizontal plane (312) that inwards horizontally extended from the inboard on outer inclined plane.

2. The arc pressing molding mechanism of a bearing cage according to claim 1, wherein: the inclination angle of the outer inclined plane (311) relative to the inner horizontal plane (312) is 40-50 degrees.

3. The arc pressing molding mechanism of a bearing cage according to claim 1, wherein: the outer inclined plane (311) and the inner horizontal plane (312) are in smooth transition.

4. The arc pressing molding mechanism of a bearing cage according to any one of claims 1 to 3, wherein: the bearing cage is characterized by further comprising a material receiving mechanism (4) used for receiving the bearing with the retainer mounted.

5. The arc pressing molding mechanism of a bearing cage according to claim 4, wherein: the material receiving mechanism (4) comprises a first cylinder (41), a lower base plate (42), a second cylinder (43), a guide rod (44), an upper base plate (45) and a material receiving plate (46), the lower base plate (42) is installed at the output end of the first cylinder (41), the second cylinder (43) is installed on the lower base plate (42), the guide rod (44) is installed between the upper base plate (45) and the lower base plate (42), the upper base plate (45) is installed at the output end of the second cylinder (43), and the material receiving plate (46) is installed at the front side and the rear side of the lower pressing die (2) and used for receiving bearings of the retainer after installation.

6. The arc pressing molding mechanism of a bearing cage according to claim 5, wherein: the material receiving plate (46) is provided with a step (461) for receiving the bearing outer ring on the inner side.