CN219005188U

CN219005188U - Bearing crimping dust cover press-fitting device

Info

Publication number: CN219005188U
Application number: CN202320124407.XU
Authority: CN
Inventors: 刘胜超; 李献会
Original assignee: Luoyang Youpu Electromechanical Technology Co ltd
Current assignee: Luoyang Youpu Electromechanical Technology Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-12
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a bearing hemming dust cover press fitting device, which comprises a punch shaft, a fixed ring, a punch connecting screw, a conical surface pressing shaft, a pressing shaft connecting screw, a limiting ring, a pressing die connecting screw, a pressing die, a spring and a base, wherein the bearing hemming dust cover press fitting device realizes quick press fitting of a hemming dust cover by means of the existing punch through the design of a special mechanism and the cooperation of an elastic expansion head and the conical surface pressing shaft, and can realize quick and accurate installation of the hemming dust cover through simple operation, thereby avoiding the loosening phenomenon of the hemming dust cover and improving the processing efficiency; when the bearing is pressed, the outer ring of the bearing is placed in the base, other parts are connected to the punch shaft, the punch shaft moves downwards, and after the elastic expansion head on the pressing die contacts the dust cover, the elastic expansion head moves downwards along with the conical surface pressing shaft on one hand, and the conical surface at the tail part of the conical surface pressing shaft applies force to the conical hole at the tail part of the pressing die, so that the elastic expansion head on the pressing die expands outwards.

Description

Bearing crimping dust cover press-fitting device

Technical Field

The utility model relates to the technical field of bearing manufacturing equipment, in particular to a bearing crimping dust cover press-fitting device.

Background

Figure 1 is a half-sectional view of the center of a bearing with a curled dust cover, which can prevent dust from entering the bearing, reduce the abrasion of the bearing, and ensure that the curled dust cover is not loosened and is not higher than the end surface of the bearing after being installed.

The installation mode of the prior hemming dust cover is generally as follows: the conical surface die is manufactured by stamping on a punch press, and because the conical surface die is usually in a turning forming mode, the machining error is large, and the problems of loosening of a curled edge dust cover, collision between the die and a bearing sealing groove and the like often occur, the reworking or the bearing scrapping is caused.

Disclosure of Invention

The utility model provides a bearing hemming dust cover press fitting device, which is used for realizing rapid press fitting of a hemming dust cover by means of the conventional punch press and by means of the cooperation of an elastic expansion head and a conical surface pressing shaft through a special mechanism, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bearing turn-up shield pressure equipment device, includes the punch press axle, still includes solid fixed ring, punch press connecting screw, conical surface pressure axle, pressure axle connecting screw, spacing ring, moulding-die connecting screw, moulding-die, spring and base.

The fixed ring is connected with the punch shaft, the conical surface pressing shaft is connected with the fixed ring, and the pressing die is connected with the limiting ring;

the conical surface pressing shaft sequentially comprises an upper part of the conical surface pressing shaft, a conical surface pressing shaft step and a conical surface of the tail of the conical surface pressing shaft from top to bottom, wherein the upper part of the conical surface pressing shaft is in sliding fit with the cylindrical surface of the limiting ring, the spring is sleeved on the outer side surface of the conical surface of the tail of the conical surface pressing shaft, and the upper part of the spring is in contact with the lower surface of the conical surface pressing shaft step.

The pressing die comprises an elastic expansion head, a pressing die tail taper hole and narrow grooves, wherein the plurality of narrow grooves are formed in the tail of the pressing die to form the elastic expansion head, and the conical surface of the tail part of the conical surface pressing shaft is matched with the pressing die tail taper hole to realize the outward expansion action of the pressing die.

Preferably, the base is coaxial with the punch shaft.

Preferably, the number of the narrow grooves is twelve, and the twelve narrow grooves are annularly and uniformly distributed between two adjacent elastic expansion heads.

Preferably, the fixing ring is fixed on the punch shaft through a punch connecting screw.

Preferably, the four pressing shaft connecting screws uniformly distributed on the circumference are used for connecting and fixing the conical surface pressing shaft on the fixed ring.

Preferably, the four compression mold connecting screws uniformly distributed on the circumference connect the compression mold on the limiting ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the bearing hemming dust cover press-fitting device, by means of an existing punch press, the rapid press-fitting of the hemming dust cover is realized by means of the cooperation of the elastic expansion head and the conical surface pressing shaft through a special mechanism, the device can realize rapid and accurate installation of the hemming dust cover through simple operation, the loosening phenomenon of the hemming dust cover is avoided, and the processing efficiency is improved;

2. when the bearing is pressed, the outer ring of the bearing is placed in the base, other parts are connected to the punch shaft, the punch shaft moves downwards, and after the elastic expansion head on the pressing die contacts the dust cover, on one hand, the elastic expansion head moves downwards along with the conical surface pressing shaft, on the other hand, the conical surface at the tail part of the conical surface pressing shaft applies force to the conical hole at the tail part of the pressing die, so that the elastic expansion head on the pressing die expands outwards, and the pressing die moves in the two directions to ensure that the curled edge dust cover is pressed;

3. after press fitting, the punch shaft drives the parts connected with the punch shaft to move upwards, and under the action of the spring, the conical surface at the tail part of the conical surface press shaft and the conical hole at the tail part of the press die are separated, so that press fitting work of the hemming dust cover is completed.

Drawings

FIG. 1 is a central half-sectional view of a bearing with a crimped dust cap;

FIG. 2 is a schematic view of the press-fit device of the present utility model with the spring head just contacting the dust cap;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of the press-fit device of the present utility model after pressing the crimped dust cap into the bearing;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is a three-dimensional schematic of a stamper.

In the figure: 1-a punch shaft; 2-punch press connecting screws; 3-fixing ring; 4-pressing shaft connecting screws; 5-conical surface pressing shaft; 5.1-the upper part of the conical surface pressing shaft; 5.2-conical surface shaft pressing steps; 5.3-conical surface of the tail of the conical shaft; 6-limiting rings; 6.1-a cylindrical surface in the limiting ring; 7-pressing a die connecting screw; 8-pressing; 8.1-elastic expansion head; 8.2-pressing the tail taper hole of the die; 8.3-narrow grooves; 9-a spring; 10-a base.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description of the present utility model and simplification of the description, and it is not indicated or implied that the apparatus 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 utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

Referring to fig. 1-6, the present utility model provides a technical solution: the bearing hemming dust cover press mounting device comprises a punch shaft 1, a fixing ring 3, a punch connecting screw 2, a conical surface pressing shaft 5, a pressing shaft connecting screw 4, a limiting ring 6, a pressing die connecting screw 7, a pressing die 8, a spring 9 and a base 10.

The fixed ring 3 is connected with the punch shaft 1, the conical surface pressing shaft 5 is connected with the fixed ring 3, and the pressing die 8 is connected with the limiting ring 6.

Specifically, the punch shaft 1 can drive the pressing die 8 to move up and down, and the limiting ring 6 can prevent the pressing die 8 from continuously descending after contacting with the fixed ring 3.

The conical surface pressing shaft 5 sequentially comprises an upper part 5.1 of the conical surface pressing shaft, a conical surface pressing shaft step 5.2 and a conical surface 5.3 at the tail of the conical surface pressing shaft from top to bottom, the upper part 5.1 of the conical surface pressing shaft is in sliding fit with the inner cylindrical surface of the limiting ring 6, the spring 9 is sleeved on the outer side surface of the conical surface 5.3 at the tail of the conical surface pressing shaft, and the upper part of the spring 9 is in contact with the lower surface of the conical surface pressing shaft step 5.2.

The pressing die 8 comprises an elastic expansion head 8.1, a pressing die tail taper hole 8.2 and narrow grooves 8.3, wherein a plurality of narrow grooves 8.3 are formed in the tail of the pressing die 8 to form the elastic expansion head 8.1, and the conical surface 5.3 at the tail of the conical surface pressing shaft is matched with the pressing die tail taper hole 8.2 to realize the outward expansion action of the pressing die 8.

Specifically, after the punch shaft 1 moves downwards and the elastic expansion head 8.1 on the pressing die 8 contacts the dust cover, on one hand, the elastic expansion head 8.1 moves downwards along with the conical surface pressing shaft 5, and on the other hand, the conical surface 5.3 at the tail of the conical surface pressing shaft applies force to the conical hole 8.2 at the tail of the pressing die, so that the elastic expansion head 8.1 on the pressing die 8 expands outwards, and the pressing die 8 moves in the two directions to ensure that the curled edge dust cover is pressed.

Further, the base 10 is concentric with the punch shaft 1.

Specifically, the base 10 is used to support the bearing outer race.

Further, the number of the narrow grooves 8.3 is twelve, and the twelve narrow grooves 8.3 are annularly and uniformly distributed between two adjacent elastic expansion heads 8.1.

Specifically, the narrow groove 8.3 is arranged to enable the elastic expansion head 8.1 to have a certain deformation.

Further, the fixing ring 3 is fixed on the punch shaft 1 by the punch connecting screw 2.

Specifically, the arrangement of the punch connecting screw 2 facilitates the disassembly and maintenance of the fixed ring 3.

Furthermore, four pressing shaft connecting screws 4 uniformly distributed on the circumference connect and fix the conical surface pressing shaft 5 on the fixed ring 3.

Specifically, the arrangement of the pressing shaft connecting screw 4 facilitates the disassembly of the conical surface pressing shaft 5.

Further, four die connecting screws 7 uniformly distributed on the circumference connect the die 8 to the limiting ring 6.

Specifically, the pressing mold 8 of different types corresponding to the hemming dustproof cover plate to be pressed can be protected according to the requirement.

When in use: when the bearing is pressed, the outer ring of the bearing is placed in the base 10, other parts are connected to the punch shaft 1, the punch shaft 1 moves downwards, and after the elastic expansion head 8.1 on the pressing die 8 contacts the dust cover, on one hand, the elastic expansion head 8.1 moves downwards along with the conical surface pressing shaft 5, and on the other hand, the conical surface 5.3 at the tail part of the conical surface pressing shaft applies force to the conical hole 8.2 at the tail part of the pressing die, so that the elastic expansion head 8.1 on the pressing die 8 expands outwards, and the pressing die 8 moves in the two directions to ensure that the curled edge dust cover is pressed; after press fitting, the punch shaft 1 drives the parts connected to the punch shaft to move upwards, and under the action of the spring 9, the conical surface 5.3 at the tail part of the conical surface pressing shaft is separated from the conical hole 8.2 at the tail part of the pressing die, so that press fitting of the curled dustproof cover is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bearing turn-up shield pressure equipment device, includes punch press axle (1), its characterized in that: the device also comprises a fixed ring (3), a punch press connecting screw (2), a conical surface pressing shaft (5), a pressing shaft connecting screw (4), a limiting ring (6), a pressing die connecting screw (7), a pressing die (8), a spring (9) and a base (10);

the fixed ring (3) is connected with the punch shaft (1), the conical surface pressing shaft (5) is connected with the fixed ring (3), and the pressing die (8) is connected with the limiting ring (6);

the conical surface pressing shaft (5) sequentially comprises an upper part (5.1) of the conical surface pressing shaft, a conical surface pressing shaft step (5.2) and a conical surface (5.3) at the tail part of the conical surface pressing shaft from top to bottom, the upper part (5.1) of the conical surface pressing shaft is in sliding fit with the inner cylindrical surface of the limiting ring (6), the spring (9) is sleeved on the outer side surface of the conical surface (5.3) at the tail part of the conical surface pressing shaft, and the upper part of the spring (9) is in contact with the lower surface of the conical surface pressing shaft step (5.2);

the pressing die (8) comprises an elastic expansion head (8.1), a pressing die tail taper hole (8.2) and narrow grooves (8.3), wherein a plurality of narrow grooves (8.3) are formed in the tail of the pressing die (8) to form the elastic expansion head (8.1), and the conical surface (5.3) of the tail of the conical surface pressing shaft is matched with the pressing die tail taper hole (8.2) to realize the outward expansion action of the pressing die (8).

2. The bearing bead dust cap press-fitting device of claim 1, wherein: the base (10) is coaxial with the punch shaft (1).

3. The bearing bead dust cap press-fitting device of claim 1, wherein: the number of the narrow grooves (8.3) is twelve, and the twelve narrow grooves (8.3) are annularly and uniformly distributed between two adjacent elastic expansion heads (8.1).

4. The bearing bead dust cap press-fitting device of claim 1, wherein: the fixing ring (3) is fixed on the punch shaft (1) through the punch connecting screw (2).

5. The bearing bead dust cap press-fitting device of claim 1, wherein: four press shaft connecting screws (4) uniformly distributed on the circumference connect and fix the conical press shaft (5) on the fixed ring (3).

6. The bearing bead dust cap press-fitting device of claim 1, wherein: four die connecting screws (7) uniformly distributed on the circumference connect the die (8) on the limiting ring (6).