CN219746905U

CN219746905U - Press mounting tool

Info

Publication number: CN219746905U
Application number: CN202320113427.7U
Authority: CN
Inventors: 陶喆; 刘富庆; 章文杰; 黄新宇; 陆春雷
Original assignee: Nason Automotive Technology Hangzhou Co ltd
Current assignee: Nason Automotive Technology Hangzhou Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-09-26
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to the technical field of bearing assembly, and particularly discloses a press-fitting tool, which comprises a supporting sleeve, a positioning sleeve and a resetting component, wherein the supporting sleeve is arranged on a bottom plate of a press, a riveting boss is convexly arranged at the top of the supporting sleeve and used for riveting the lower end of an adjusting sleeve, the positioning sleeve is sleeved outside the supporting sleeve, the adjusting sleeve is arranged in the positioning sleeve, the resetting component is arranged in the supporting sleeve, and the resetting component can push a centering mechanism to move in a direction away from the bottom plate of the press. When the aligning mechanism is pressed, the pressing head of the press presses the check ring and the adjusting sleeve, the accessory is prevented from being separated, then the riveting boss is used for riveting the lower end of the adjusting sleeve, and the aligning mechanism is pushed out of the pressing tool by the resetting component to complete the pressing of the aligning mechanism, so that the pressing of the aligning mechanism can be completed by one-time operation on the premise of not switching the press and the tool, and the production efficiency is improved and the production cost is reduced.

Description

Press mounting tool

Technical Field

The utility model relates to the technical field of bearing assembly, in particular to a press-fitting tool.

Background

With the popularization of new energy automobiles, more and more enterprises are added to the industries of new energy automobile parts. The structure and the functions of part parts of the new energy vehicle are greatly different from those of the traditional fuel vehicle, so that the part production process of the new energy vehicle is greatly different from that of the traditional fuel vehicle, the new energy vehicle is completely provided with an electric power steering system, the aligning mechanism is used as one part of the electric power steering system of the automobile, and the parts are integrated on the aligning mechanism to improve the compactness of the structure, and the new energy vehicle mainly comprises an aligning bearing, an adjusting sleeve, a check ring and other accessories. At present, the aligning mechanism is mainly produced by adopting a twice press-fitting mode, firstly, one end of an adjusting sleeve, which is provided with a bearing, is upwards placed, one end of the adjusting sleeve is riveted with the bearing by using a special press-fitting head, then the other end of the adjusting sleeve is upwards placed, and a check ring is press-fitted to the other end of the adjusting sleeve by using a general press-fitting head so as to prevent accessories from being separated. But adopt this mode pressure equipment aligning mechanism to need overturn work piece and switch pressure equipment head in production process, need two production personnel promptly, two presses and two at least pressure equipment frock formulas can accomplish production, production cost has also been increased when low in production efficiency.

Disclosure of Invention

The utility model aims to provide a press-fitting tool for solving the problems of low production efficiency and high production cost of the conventional aligning mechanism.

The utility model provides a press fitting tool which is used for press fitting a aligning mechanism, the aligning mechanism comprises a bearing, an adjusting sleeve and a retainer ring, the adjusting sleeve is provided with a containing channel, the bearing is arranged at the lower end of the containing channel, the outer ring of the bearing can be in interference connection with the inner side wall of the containing channel, the retainer ring is arranged at the upper end of the containing channel, the retainer ring can be in interference connection with the inner side wall of the containing channel, the press fitting tool comprises a supporting sleeve, a positioning sleeve and a resetting component, the supporting sleeve is arranged on a bottom plate of a press, the top of the supporting sleeve is convexly provided with a riveting boss, the riveting boss is used for riveting the lower end of the adjusting sleeve, the positioning sleeve is sleeved outside the supporting sleeve, the adjusting sleeve is arranged in the positioning sleeve, the resetting component is arranged in the supporting sleeve, and the resetting component can push the aligning mechanism to move towards a direction away from the bottom plate of the press.

As the preferable technical scheme of pressure equipment frock, reset assembly includes locating support pin and elastic component, and the both ends of elastic component respectively with locating support pin and press bottom plate butt, locating support pin and aligning mechanism butt.

As the preferred technical scheme of pressure equipment frock, aligning mechanism still includes the axle sleeve, and the axle sleeve is connected with the inner circle interference of bearing, and the locating support pin includes location portion and supporting part, location portion and supporting part fixed connection, and location portion cooperatees with the inside wall of axle sleeve, and the lower extreme and the elastic component butt of supporting part, the upper end and the lower extreme butt of axle sleeve of supporting part are in order to support the axle sleeve.

As the preferable technical scheme of pressure equipment frock, the inside wall of supporting sleeve is the step shape, and upper portion diameter is less than lower part diameter, and the lateral wall of supporting part is the step shape, and upper portion diameter is less than lower part diameter.

As the preferable technical scheme of pressure equipment frock, the locating sleeve is provided with the locking hole, locking screw and locking hole's inside wall spiro union, locking screw can with the adjusting collar butt.

As the preferable technical scheme of pressure equipment frock, the inside wall of locating sleeve is provided with the direction constant head tank, and the lateral wall of adjusting sleeve outwards evaginates and is equipped with the direction location boss that can with direction constant head tank complex.

As the preferable technical scheme of the press-fitting tool, the number of the riveting bosses is multiple.

As the preferable technical scheme of pressure equipment frock, a plurality of riveting bosss evenly set up at the top of supporting the cover.

As the preferable technical scheme of the press-fitting tool, the cross section shape of the riveting boss comprises a rectangle, a square, a trapezoid, a semicircle or a triangle.

As the preferred technical scheme of pressure equipment frock, still include base, support cover and base fixed connection, base and press bottom plate fixed connection.

The beneficial effects of the utility model are as follows:

the utility model provides a press fitting tool which is used for press fitting a aligning mechanism, the aligning mechanism comprises a bearing, an adjusting sleeve and a retainer ring, the adjusting sleeve is provided with a containing channel, the bearing is arranged at the lower end of the containing channel, the outer ring of the bearing can be in interference connection with the inner side wall of the containing channel, the retainer ring is arranged at the upper end of the containing channel, the retainer ring can be in interference connection with the inner side wall of the containing channel, the press fitting tool comprises a supporting sleeve, a positioning sleeve and a resetting component, the supporting sleeve is arranged on a bottom plate of a press, a riveting boss is arranged at the top of the supporting sleeve in a protruding mode, the riveting boss is used for riveting the lower end of the adjusting sleeve, the positioning sleeve is sleeved outside the supporting sleeve, the adjusting sleeve is arranged in the positioning sleeve, the resetting component is arranged in the supporting sleeve, and the resetting component can push the aligning mechanism to move towards a direction away from the bottom plate of the press. When the aligning mechanism is pressed, the pressing head of the press presses the check ring and the adjusting sleeve, the accessory is prevented from being separated, then the riveting boss is used for riveting the lower end of the adjusting sleeve, and the aligning mechanism is pushed out of the pressing tool by the resetting component to complete the pressing of the aligning mechanism, so that the pressing of the aligning mechanism can be completed by one-time operation on the premise of not switching the press and the tool, and the production efficiency is improved and the production cost is reduced.

Drawings

FIG. 1 is a cross-sectional view of a press-fit tool in an embodiment of the utility model;

FIG. 2 is a cross-sectional view of the press-fit tool according to the embodiment of the utility model after the centering mechanism is hidden;

FIG. 3 is a cross-sectional view of a centering mechanism in an embodiment of the utility model;

fig. 4 is a top view of the press-fit tool according to the embodiment of the utility model after the centering mechanism is hidden;

fig. 5 is a schematic structural diagram of a press-fitting tool according to an embodiment of the present utility model;

fig. 6 is a partial enlarged view of a portion a in fig. 5.

In the figure:

1. a base;

2. a support sleeve; 21. riveting the boss;

3. a positioning sleeve; 31. a locking hole; 32. a guide positioning groove;

4. positioning a supporting pin; 41. a positioning part; 42. a support part;

5. an elastic member;

61. a shaft sleeve; 62. an inner ring; 63. an outer ring; 64. an adjusting sleeve; 65. an accessory; 66. and (5) a retainer ring.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

To this, this embodiment provides pressure equipment frock, and this pressure equipment frock also can satisfy the pressure equipment of aligning mechanism, can also solve above-mentioned problem simultaneously.

As shown in fig. 1-4, this press-fit frock is used for press-fit aligning mechanism, aligning mechanism includes the bearing, adjusting collar 64 and retaining ring 66, adjusting collar 64 is formed with and holds the passageway, the bearing sets up in the lower extreme that holds the passageway, the outer lane 63 of bearing can be connected with the inside wall interference of holding the passageway, retaining ring 66 sets up in the upper end that holds the passageway, retaining ring 66 can be connected with the inside wall interference of holding the passageway, this press-fit frock includes supporting collar 2, position sleeve 3 and reset assembly, supporting collar 2 sets up on the press bottom plate, the protruding riveting boss 21 that is equipped with in top of supporting collar 2, riveting boss 21 is used for riveting adjusting collar 64's lower extreme, position sleeve 3 cover is located outside supporting collar 2, adjusting collar 64 sets up in position sleeve 3, reset assembly sets up in supporting collar 2, reset assembly can promote aligning mechanism towards the direction removal of keeping away from the press bottom plate. When the aligning mechanism is pressed, the retainer ring 66 and the adjusting sleeve 64 are pressed by the pressure head of the press to prevent the accessory 65 from falling out, then the lower end of the adjusting sleeve 64 is riveted by the riveting boss 21, and then the aligning mechanism is pushed out of the pressing tool by the resetting component to complete the pressing of the aligning mechanism, so that the pressing of the aligning mechanism can be completed by one operation on the premise of not switching the press and the tool, and the production efficiency is improved and the production cost is reduced.

Optionally, in order to further improve interchangeability of the press-fitting tool, the press-fitting tool further comprises a base 1, and the support sleeve 2 is fixedly connected with the base 1, and the connection mode is preferably bolt connection. The base 1 is fixedly connected with the bottom plate of the press, and the connection mode is preferably bolt connection. Through the adaptation of base 1 and general formula press bottom plate, be connected support sleeve 2 and base 1 again, realize the promotion of pressure equipment frock interchangeability.

Specifically, as shown in fig. 1-2, the reset assembly comprises a positioning support pin 4 and an elastic piece 5, and two ends of the elastic piece 5 are respectively abutted with the positioning support pin 4 and the bottom plate of the press. The positioning support pin 4 is abutted with the aligning mechanism. The elastic member 5 is preferably a coil spring, and the coil spring is in a normally compressed state, and the coil spring in the normally compressed state applies an elastic force to the positioning support pin 4, so that the centering mechanism can move in a direction away from the press bottom plate.

Further, the aligning mechanism in this embodiment further includes a sleeve 61, and the sleeve 61 is in interference connection with the inner ring 62 of the bearing. The positioning support pin 4 includes a positioning portion 41 and a support portion 42, where the positioning portion 41 and the support portion 42 are fixedly connected, and the connection manner may be welding or integrally formed connection, preferably integrally formed connection. The positioning portion 41 is engaged with the inner side wall of the sleeve 61, and the engagement of the outer side wall of the positioning portion 41 with the inner side wall of the sleeve 61 ensures coaxiality of the sleeve 61 and the positioning portion 41. The lower end of the supporting portion 42 abuts against the elastic member 5, and the upper end of the supporting portion 42 abuts against the lower end of the boss 61 to support the boss 61.

Further, during the press fitting of the centering mechanism, the sleeve 61 of the centering mechanism presses the positioning support pin 4 to move downward, and the coil spring is further compressed. After the press fitting of the aligning mechanism is finished, under the action of the elasticity of the spiral spring, the positioning support pin 4 is lifted upwards to enable the aligning mechanism to be separated from the press fitting tool, so that an operator can take the aligning mechanism off and carry out next operation.

Still further, in order to avoid that the coil spring ejects the supporting and positioning pin out of the supporting sleeve 2 during the resetting process, the inner side wall of the supporting sleeve 2 may be provided in a stepped shape, and the diameter of the upper portion is smaller than that of the lower portion. The outer side wall of the supporting portion 42 of the corresponding positioning support pin 4 may also be provided in a stepped shape, with an upper diameter smaller than a lower diameter. The step of the inner side wall of the support sleeve 2 is limited by the step surface of the outer side wall of the support part 42, so that the positioning support pin 4 is prevented from falling out of the support sleeve 2. In this embodiment, to ensure the positional accuracy of the positioning support pin 4, the outer side wall of the support portion 42 and the inner side wall of the support sleeve 2 are fitted with each other, and the diameters and lengths of the corresponding stages are equal, thereby ensuring the positional accuracy of the positioning support pin 4.

Alternatively, as shown in fig. 1 to 6, in order to avoid damage to the workpiece caused by displacement or deformation of the aligning mechanism during the press-fitting process, the positioning sleeve 3 is provided with a locking hole 31, a locking screw is screwed with an inner side wall of the locking hole 31, and the locking screw can be abutted with an outer side wall of the adjusting sleeve 64.

Specifically, when the aligning mechanism is press-fitted, the aligning mechanism assembled in advance is fitted into the positioning sleeve 3, the inner side wall of the sleeve 61 is fitted to the outer side wall of the positioning portion 41, and the bottom of the sleeve 61 is brought into contact with the supporting portion 42. While the lower end of the adjustment sleeve 64 is brought into abutment with the crimping boss 21. The retainer ring 66 is then preassembled into the adjustment sleeve 64. The upper pressing head of the press is pressed down, the retainer ring 66 is firstly pressed to the adjusting sleeve 64 and is in interference connection with the inner side wall of the adjusting sleeve 64, and then the riveting boss 21 is used for riveting the lower end of the adjusting sleeve 64, so that the pressing of the aligning mechanism is completed.

Further, in order to more smoothly mount the aligning mechanism into the press-fitting tool, the inner side wall of the positioning sleeve 3 is provided with a guiding positioning groove. The outer side wall of the adjusting sleeve 64 is provided with a guiding and positioning boss which is matched with the guiding and positioning groove in an outward protruding way. In the process of loading, the outer side wall of the guide positioning boss is matched with the inner side wall of the guide positioning groove, so that the loading process is smoother, and displacement or deformation in the press-fitting process can be avoided to a certain extent.

Optionally, to ensure the riveting effect of the riveting boss 21 on the lower end of the adjustment sleeve 64. The number of the riveting bosses 21 may be 2, 3, 4, 5, 6, 7 or 8, and in this embodiment, the number of the riveting bosses 21 is preferably 4. The 4 riveting bosses 21 are uniformly arranged at the top of the support sleeve 2 along the circumferential direction of the support sleeve 2, and the length direction of the riveting bosses 21 is coincident with or parallel to the radial direction of the support sleeve 2. The cross section of the riveting boss 21 includes rectangle, square, trapezoid, semicircle or triangle, and a person skilled in the art can select the riveting boss 21 with different cross section according to actual engineering requirements, in this embodiment, the cross section of the riveting boss 21 is preferably rectangle.

It should be noted that, the aligning mechanism in this embodiment is an existing structure, and the press-fitting tool in this embodiment is not only applicable to the aligning mechanism in this embodiment. Any other existing structure with similar structural characteristics and press-fitting process requirements to the aligning mechanism in this embodiment may be used to adaptively adjust the size of part or all parts of the press-fitting tool in this embodiment to meet the use conditions, and specific adjustment manners are not repeated here.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a pressure equipment frock for pressure equipment aligning mechanism, aligning mechanism includes bearing, adjusting collar (64) and retaining ring (66), adjusting collar (64) are formed with and hold the passageway, the bearing sets up hold the lower extreme of passageway, outer lane (63) of bearing can with hold the inside wall interference connection of passageway, retaining ring (66) set up hold the upper end of passageway, retaining ring (66) can with hold the inside wall interference connection of passageway, a serial communication port, include:

the support sleeve (2) is arranged on the bottom plate of the press, a riveting boss (21) is convexly arranged at the top of the support sleeve (2), and the riveting boss (21) is used for riveting the lower end of the adjusting sleeve (64);

the positioning sleeve (3) is sleeved outside the supporting sleeve (2), and the adjusting sleeve (64) is arranged in the positioning sleeve (3);

the reset assembly is arranged in the supporting sleeve (2), and can push the aligning mechanism to move towards a direction away from the bottom plate of the press.

2. The press-fitting tool according to claim 1, wherein the reset assembly comprises a positioning support pin (4) and an elastic piece (5), two ends of the elastic piece (5) are respectively abutted to the positioning support pin (4) and the press bottom plate, and the positioning support pin (4) is abutted to the aligning mechanism.

3. The press-fitting tool according to claim 2, wherein the aligning mechanism further comprises a shaft sleeve (61), the shaft sleeve (61) is in interference connection with an inner ring (62) of the bearing, the positioning support pin (4) comprises a positioning portion (41) and a support portion (42), the positioning portion (41) is fixedly connected with the support portion (42), the positioning portion (41) is matched with the inner side wall of the shaft sleeve (61), the lower end of the support portion (42) is abutted with the elastic piece (5), and the upper end of the support portion (42) is abutted with the lower end of the shaft sleeve (61) to support the shaft sleeve (61).

4. The press-fitting tool according to claim 3, wherein the inner side wall of the supporting sleeve (2) is stepped, and the diameter of the upper part is smaller than that of the lower part; the outer side wall of the supporting part (42) is in a step shape, and the diameter of the upper part is smaller than that of the lower part.

5. The press-fit tool according to claim 1, wherein the positioning sleeve (3) is provided with a locking hole (31), a locking screw is in threaded connection with the inner side wall of the locking hole (31), and the locking screw can be in butt joint with the adjusting sleeve (64).

6. The press-fitting tool according to claim 1, wherein the inner side wall of the positioning sleeve (3) is provided with a guiding positioning groove, and the outer side wall of the adjusting sleeve (64) is outwardly convex provided with a guiding positioning boss capable of being matched with the guiding positioning groove.

7. Press-fit tooling according to claim 1, characterized in that the number of riveting bosses (21) is a plurality.

8. The press-fitting tool according to claim 7, wherein a plurality of the riveting bosses (21) are uniformly provided on the top of the support sleeve (2).

9. The press-fitting tool according to claim 7, wherein the cross-sectional shape of the rivet boss (21) is rectangular, square, trapezoidal, semicircular or triangular.

10. The press-fitting tool according to claim 1, further comprising a base (1), wherein the support sleeve is fixedly connected with the base (1), and wherein the base (1) is fixedly connected with the press bottom plate.