CN217002750U

CN217002750U - Large-scale bugle contact ball bearing assembly jig of detachable

Info

Publication number: CN217002750U
Application number: CN202220186650.XU
Authority: CN
Inventors: 梁道才; 顾建海; 王建平; 朱金萍; 牛建平; 周云; 陈国民
Original assignee: Bahuan Technology Group Co ltd
Current assignee: Bahuan Technology Group Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-19
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a separable large-scale horn contact ball bearing assembly die which at least comprises a die holder, a positioner and a pressing die, wherein a first groove with an upward opening is arranged along the central axis direction of the die holder, the inner wall of a notch of the first groove inclines outwards, the positioner is connected with the die holder through an elastic assembly, the positioner moves up and down in the first groove through the elastic assembly, and the pressing die is detachably arranged above the positioner. The assembly die for the separable large-scale horn contact ball bearing solves the assembly problem of the separable large-scale horn contact ball bearing, avoids the problems of low efficiency and incapability of ensuring the quality of manual assembly, reduces the phenomenon of ball mixing, improves the assembly quality, further improves the product quality, and is economic and error-proof.

Description

Large-scale bugle contact ball bearing assembly jig of detachable

Technical Field

The utility model relates to the technical field of bearing assembly, in particular to a separable large-scale horn contact ball bearing assembly die.

Background

The separable large-scale angular contact ball bearing shown in fig. 1 is an angular contact bearing which is composed of an inner ring 6, an outer ring 9, a retainer 7 with a locking opening and a steel ball 8, and is mainly applied to an RV reducer. The opening of the pocket of the retainer with the locking notch is inclined relative to the horizontal line, and when the steel ball is loaded into the retainer, the steel ball can be self-locked, so that the steel ball cannot fall off. However, the current assembly is basically manual assembly, the quality of the problems existing in manual assembly cannot be guaranteed, the efficiency is low, and the phenomenon of ball mixing can also occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a separable large-scale horn contact ball bearing assembly die for overcoming the defects of the technology.

The technical scheme adopted by the utility model for overcoming the technical problems is as follows:

the utility model provides a large-scale bugle contact ball bearing rigging mould of detachable includes die holder, locator and moulding-die at least, is equipped with the first recess of opening up along the axis direction of die holder, the notch inner wall of first recess leans out, is connected through elastic component between locator and the die holder, through elastic component makes the locator up-and-down motion in first recess, the moulding-die sets up in the top of locator separably.

Further, the top edge of locator is equipped with the first annular that is used for placing the inner circle and is used for placing the first step of holder from inside to outside in proper order.

Furthermore, a second ring groove corresponding to the first ring groove and a second step corresponding to the first step are arranged at the bottom edge of the pressing die.

Further, the step face of the second step inclines outwards, and the included angle beta between the step face of the second step and the vertical direction is 60-75 degrees.

Further, the included angle theta between the inner wall of the notch of the first groove and the vertical direction is 30-60 degrees.

Furthermore, the positioner is in clearance fit with the die holder.

Further, the outer diameter of the pressing die is equal to the outer diameter of the positioner.

Further, the elastic component at least comprises a bolt and a spring, the bolt comprises a screw rod and a head fixed at the top end of the screw rod, a first through hole and a second through hole which are communicated with each other are sequentially arranged from top to bottom along the central axis direction of the positioner, a second groove communicated with the first groove is arranged below the first groove, the screw rod sequentially penetrates through the first through hole, the second through hole and the second groove from top to bottom and then is fixed in the die holder, the head is located above the outer portion of the positioner, the spring sleeve is arranged on the screw rod, the upper end of the spring is in contact connection with the top of the second through hole, and the lower end of the spring is in contact connection with the bottom of the second groove.

Further, the diameter of the head is larger than that of the first through hole, and the diameter of the second through hole is larger than that of the first through hole.

Further, a third through hole is formed in the center of the pressing die, and the diameter of the third through hole is larger than that of the head.

The utility model has the beneficial effects that:

the separable large-scale horn contact ball bearing assembly die solves the assembly problem of the separable angular contact ball bearing, avoids the problems of low efficiency and incapability of ensuring quality in manual assembly, reduces the phenomenon of ball mixing, improves the assembly quality, further improves the product quality, and is economical and mistake-proof.

Drawings

Fig. 1 is a schematic sectional structure view of a separable large-sized horn contact ball bearing.

Fig. 2 is a schematic cross-sectional structural view of a separable large-size contact ball bearing assembly mold according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a positioner according to an embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of a die holder according to an embodiment of the utility model.

Fig. 5 is a schematic structural diagram of an assembly mold after the inner ring and the cage are placed in the mold according to the embodiment of the utility model.

Fig. 6 is a schematic structural view of the assembly mold after the inner ring, the cage and the steel ball are placed in the assembly mold according to the embodiment of the present invention.

Fig. 7 is a schematic diagram of an assembly mold with a stamper placed over a retainer according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of an assembly mold for pressing down a press mold so that a steel ball enters a retainer according to an embodiment of the present invention.

In the figure, 1, a die holder, 11, a first groove, 2, a positioner, 21, a first ring groove, 22, a first step, 23, a first through hole, 24, a second through hole, 3, a pressing die, 31, a second ring groove, 32, a second step, 33, a third through hole, 4, a bolt, 41, a screw, 42, a head, 5, a spring, 6, an inner ring, 7, a retainer, 8, a steel ball, 9 and an outer ring.

Detailed Description

In order to facilitate a better understanding of the utility model for those skilled in the art, the utility model will be described in further detail with reference to the accompanying drawings and specific examples, which are given by way of illustration only and do not limit the scope of the utility model.

The utility model discloses a separable large-scale horn contact ball bearing assembly die, which at least comprises a die holder 1, a cylindrical positioner 2 and a pressing die 3, wherein a first groove 11 with an upward opening is formed in the direction of the central axis of the die holder 1, the inner wall of a notch of the first groove 11 inclines outwards, specifically, the inner wall of the notch of the first groove 11 inclines outwards from bottom to top, as shown in fig. 4, the included angle theta between the inner wall of the notch of the first groove 11 and the vertical direction is 30-60 degrees, in the embodiment, the preferred theta is 30 degrees, and the inclined inner wall is arranged to ensure that a steel ball 8 can roll down to the position of a retainer 7 along the inclined inner wall of the first groove 11. The positioner 2 is connected with the die holder 1 through an elastic component, the positioner 2 moves up and down in the first groove 11 through the elastic component, and the pressing die 3 is detachably arranged above the positioner 2. The pressing die 3 presses down the inner ring 6, the retainer 7 and the steel ball 8 which are placed on the positioner 2, and the positioner 2 moves downwards in the first groove 11 under the pressure action of the pressing die 3, so that the steel ball 8 is extruded into the retainer 7 under the extrusion of the inner wall of the first groove 11.

Specifically, as shown in fig. 3, a first ring groove 21 for placing an inner ring and a first step 22 for placing a cage are sequentially arranged at the top edge of the locator 2 from inside to outside; as shown in fig. 2, a second ring groove 31 corresponding to the first ring groove 21 and a second step 32 corresponding to the first step 22 are provided at the bottom edge of the pressing die 3, in this embodiment, preferably, the step surface of the second step 32 inclines outward, that is, the step surface of the second step 32 inclines outward from top to bottom, an included angle β between the step surface of the second step 32 and the vertical direction is 60-75 °, and in this embodiment, preferably, β is 60 °.

Furthermore, the positioner 2 is in clearance fit with the die holder 1, and the outer diameter of the pressing die 3 is equal to that of the positioner 2, so that the positioner 2 can freely move up and down in the first groove 11 of the die holder 1.

More specifically, as shown in fig. 2, 3 and 4, the elastic component at least comprises a bolt 4 and a spring 5, the bolt 4 comprises a screw 41 and a head 42 fixed at the top end of the screw, a first through hole 23 and a second through hole 24 which are communicated with each other are sequentially arranged along the central axis direction of the positioner 2 from top to bottom, the diameter of the second through hole 24 is larger than that of the first through hole 23, a second groove 12 communicated with the first groove is arranged below the first groove 11, the screw 41 sequentially passes through the first through hole 23, the second through hole 24 and the second groove 12 from top to bottom and then is fixed in the die holder 1, that is, the lower end of the screw 41 is fixedly connected with the die holder 1; the diameter of the head part 42 is larger than that of the first through hole 23, the head part 42 is positioned above the outer part of the positioner 2, and the position below the head part 42 of the positioner 2 is ensured to move up and down along the axial direction of the screw rod 41; the spring 5 is sleeved on the screw rod 41, the upper end of the spring 5 is in contact connection with the top of the second through hole 24, and the lower end of the spring 5 is in contact connection with the bottom of the second groove 12; the center of the pressing die 3 is provided with a third through hole 33, the diameter of the third through hole 33 is larger than that of the head part 42, and the head part 42 of the bolt is positioned in the third through hole 33 when the pressing die 3 is placed on the positioner 2 so as to ensure that the pressing die 3 moves downwards along the axial direction of the screw rod 41 together with the positioner 2 when the pressing die 3 is pressed downwards.

The working principle of the separable large-scale horn contact ball bearing assembling die in the embodiment is as follows:

the first step is as follows: the inner ring 6 is placed in the first ring groove 21 of the retainer and the cage 7 is placed on the first step 22 of the retainer in sequence, as shown in fig. 5.

The second step: the steel balls 8 are poured into the first grooves 11 of the die holder 1, and the steel balls 8 are uniformly placed in the pockets of the retainer 7, as shown in fig. 6.

The third step: the die 3 is placed on the inner ring 6, the cage 7 and the steel ball 8 as shown in fig. 7.

The fourth step: the pressing die 3 is pressed down to press the steel ball 8 into the holder 7 as shown in fig. 8, and then the pressing die 3, the pressed inner ring 6, the holder 7 and the steel ball 8 are taken out to be pressed into the bearing after the outer ring is heated.

The foregoing merely illustrates the principles and preferred embodiments of the utility model and many variations and modifications may be made by those skilled in the art in light of the foregoing description, which are within the scope of the utility model.

Claims

1. The utility model provides a large-scale horn contact ball bearing rigging mould of detachable, its characterized in that includes die holder (1), locator (2) and moulding-die (3) at least, is equipped with first recess (11) that open side up along the axis direction of die holder (1), the notch inner wall of first recess (11) leans out, is connected through elastic component between locator (2) and die holder (1), through elastic component makes locator (2) up-and-down motion in first recess (11), moulding-die (3) set up in the top of locator (2) separably.

2. The separable large-sized horn-contact ball bearing assembling die as set forth in claim 1, wherein a first ring groove (21) for seating an inner ring and a first step (22) for seating a cage are provided at a top edge of the retainer (2) in this order from inside to outside.

3. The separable large-sized angular contact ball bearing assembling die according to claim 2, wherein a second ring groove (31) corresponding to the first ring groove (21) and a second step (32) corresponding to the first step (22) are provided at a bottom edge of the press die (3).

4. The separable large-sized horn-shaped contact ball bearing assembling die according to claim 3, wherein the step surface of the second step (32) is inclined outward, and an included angle β between the step surface of the second step (32) and the vertical direction is 60-75 °.

5. The separable large-sized contact ball bearing assembly jig according to claim 1, wherein an angle θ between an inner wall of the first groove (11) and a vertical direction is 30 to 60 °.

6. The separable large-scale horn contact ball bearing assembling die as claimed in claim 1, wherein the retainer (2) and the die holder (1) are in clearance fit.

7. The separable large-sized horn-type contact ball bearing assembling die according to claim 6, wherein an outer diameter of the press die (3) is equal to an outer diameter of the retainer (2).

8. The assembly mold for the separable large-scale clarion contact ball bearing according to any one of claims 1-7, wherein the elastic component at least comprises a bolt (4) and a spring (5), the bolt comprises a screw (41) and a head (42) fixed at the top end of the screw, a first through hole (23) and a second through hole (24) which are communicated with each other are sequentially arranged along the central axis direction of the positioner (2) from top to bottom, a second groove (12) communicated with the first groove is arranged below the first groove (11), the screw (41) sequentially passes through the first through hole (23), the second through hole (24) and the second groove (12) from top to bottom and then is fixed in the mold base (1), the head (42) is positioned above the outer part of the positioner (2), the spring (5) is sleeved on the screw (41), and the upper end of the spring (5) is in contact connection with the top of the second through hole (24), The lower end is in contact connection with the bottom of the second groove (12).

9. The separable large-sized contact ball bearing assembling die according to claim 8, wherein the head portion (42) has a diameter larger than that of the first through hole (23), and the second through hole (24) has a diameter larger than that of the first through hole (23).

10. The separable large-sized horn-contact ball bearing assembling die according to claim 9, wherein the die (3) is provided at a center thereof with a third through hole (33), and a diameter of the third through hole (33) is larger than a diameter of the head (42).