CN209698400U

CN209698400U - A kind of bearing assembling tooling

Info

Publication number: CN209698400U
Application number: CN201920423126.8U
Authority: CN
Inventors: 张伟; 张磊
Original assignee: Hangzhou Beit Robot Co Ltd
Current assignee: Hangzhou Beit Robot Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-11-29
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a kind of bearing assembling toolings, its structure includes lower die tooling, bearing, middle die craft equipment, shaft and pressure head, lower die tooling shape is that band boss is cylindrical, counterbore is equipped in its boss, bearing is mutually chimeric on the inside of the counterbore on lower die tooling boss, middle die craft equipment shape is cylindrical structure, bottom is provided with counterbore, its counter bore hole diameters is consistent with lower die tooling upper end boss diameter and mutually chimeric, the whole series tooling is aligned by control bearing with brearing bore during shaft press fitting with tooling inner hole, it ensure that the concentricity and verticality of shaft and bearing, bearing can be rapidly and accurately pressed into, solve bearing and harm caused by bearing internal external circle during shaft press fitting simultaneously stress, mould avoids the risk that process of press in shaft may bend in simultaneously.

Description

A kind of bearing assembling tooling

Technical field

The utility model relates to bearing mounting technology fields, and in particular to a kind of bearing assembling tooling.

Background technique

Bearing is the fundamental parts that motor rotor is contacted with nonrotational body, and it is common process that bearing, which is pressed into shaft, right In elongated micromotor shaft, bearing is pressed into there are certain difficulty, and for existing equipment in pressing bearing, tooling uses one Easy cylindrical drum tooling and the column indenter indentation compounding practice, it is ensured that bearing press mounting in place, but connects under bearing when operation Contacting surface is Internal and external cycle surface stress simultaneously, and bearing needle is easy to damage when press fitting；Brearing bore is without radial positioning, it is difficult to guarantee press fitting When brearing bore be aligned with tooling hole；Shaft is partially elongated, vertical with bearing face without tooling control shaft when press fitting, and axis is elongated It is flexible when operation.

Utility model content

(1) technical problems to be solved

In order to overcome the shortage of prior art, it is proposed that a kind of bearing assembling tooling is solved and connect under bearing in operation Contacting surface is Internal and external cycle surface stress simultaneously, and bearing needle is easy to damage when press fitting；Brearing bore is without radial positioning, it is difficult to guarantee press fitting When brearing bore be aligned with tooling hole；Shaft is partially elongated, vertical with bearing face without tooling control shaft when press fitting, and axis is elongated Flexible problem when operation.

(2) technical solution

The utility model is achieved through the following technical solutions: the utility model proposes a kind of bearing assembling toolings, including Lower die tooling, bearing, middle die craft equipment, shaft and pressure head, the lower die tooling shape are that band boss is cylindrical, are equipped in boss Counterbore, the bearing is mutually chimeric on the inside of the counterbore on lower die tooling boss, and the middle die craft equipment shape is cylindrical structure, bottom Portion is provided with counterbore, and counter bore hole diameters are consistent with lower die tooling upper end boss diameter and mutually chimeric, in the middle part of the middle die craft equipment It is provided with inner hole, diameter of bore is consistent with shaft middle section diameter, and the shaft is embedded in the middle part of middle die craft equipment on the inside of inner hole, and The shaft bottom is embedded in the middle part of lower die tooling in the middle part of bearing, and the pressure head shape is that band boss is cylindrical, is set to On the upside of middle die craft equipment, and at the top of pressure head bottom face linking shaft.

Further, the hole depth of counterbore is greater than bearing thickness 0.5mm on the lower die tooling boss, outside a diameter of bearing Diameter size.

Further, the counterbore inner lower edge Middle face is provided with boss, and the boss height is 0.5mm.

Further, the lower die tooling is provided centrally with through-hole, and diameter is consistent with bearing bore diameter size.

It further, is concentricity with shape through-hole in lower die tooling in the middle part of the bearing.

Further, the middle die craft equipment bottom counterbore and lower die tooling central through hole are concentricity.

Further, the shaft is in concentricity and verticality by inner circle in the middle part of middle die craft equipment and bearing.

Further, the pressure head small end outside diameter is consistent with external press hole, uses for connecting press, other end end Face is pressed stress surface for shaft.

(3) beneficial effect

The utility model compared with the existing technology, has the advantages that

1), the lower contact surface to solve bearing in operation is Internal and external cycle surface stress simultaneously, and bearing needle is easy when press fitting Damage；Brearing bore is without radial positioning, it is difficult to guarantee that brearing bore is aligned with tooling hole when press fitting；Shaft is partially elongated, when press fitting No tooling control shaft is vertical with bearing face, and flexible problem when the elongated operation of axis, the whole series tooling pass through control shaft It holds with brearing bore during shaft press fitting with tooling inner hole and is aligned, ensure that the concentricity and verticality of shaft and bearing, It can be rapidly and accurately pressed into bearing, solve bearing and harm caused by bearing internal external circle during shaft press fitting simultaneously stress, Mould avoids the risk that process of press in shaft may bend in simultaneously.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is the configuration schematic diagram of the utility model；

Fig. 2 is the detonation configuration diagrammatic cross-section of the utility model；

Fig. 3 turns for the utility model with completion structural schematic diagram；

Fig. 4 turns for the utility model with completion structural profile illustration.

In figure: lower die tooling -1, bearing -2, middle die craft equipment -3, shaft -4, pressure head -5.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of bearing assembling tooling: including lower die tooling 1, Bearing 2, middle die craft equipment 3, shaft 4 and pressure head 5,1 shape of lower die tooling are that band boss is cylindrical, and counterbore, axis are equipped in boss Hold 2 mutually chimeric on the inside of counterbore on 1 boss of lower die tooling, middle 3 shape of die craft equipment is cylindrical structure, and bottom is provided with heavy Hole, counter bore hole diameters are consistent with 1 upper end boss diameter of lower die tooling and mutually chimeric, and overall structure is for controlling press fitting process The verticality of shaft 4 and bearing 2, while shaft 4 being prevented to be bent risk because caused by elongated, it is provided in the middle part of middle die craft equipment 3 Inner hole, diameter of bore is consistent with 4 middle section diameter of shaft, and shaft 4 is embedded on the inside of middle 3 middle part inner hole of die craft equipment, and the shaft 4 Bottom is embedded in 1 middle part of lower die tooling in the middle part of bearing 2, and 5 shape of pressure head is that band boss is cylindrical, is set to middle die craft equipment 3 upsides, and 5 bottom face of pressure head linking shaft, 4 top.

Wherein, the hole depth of counterbore is greater than 2 thickness 0.5mm of bearing on 1 boss of lower die tooling, outside a diameter of bearing 2 Diameter size.

Wherein, the counterbore inner lower edge Middle face is provided with boss, and the boss height is 0.5mm, is pressed for bearing 2 The contact of inner ring end face is used when dress.

Wherein, the lower die tooling 1 is provided centrally with through-hole, and diameter is consistent with 2 internal diameter of bearing, for being pressed The activity space of journey shaft 4.

Wherein, 2 middle part of bearing and shape through-hole in lower die tooling 1 are concentricity.

Wherein, the 3 bottom counterbore of middle die craft equipment and 1 central through hole of lower die tooling are concentricity.

Wherein, the 5 small end outside diameter of pressure head is consistent with external press hole, uses for connecting press, the other end face It is pressed stress surface for shaft 4.

Working principle: in assembly, first bearing 2 is placed in the counterbore of lower die tooling 1, passes through counterbore inner convex platform and axis 2 inner ring end faces contact spring bearing 2 is held, 2 outer circle of bearing limits inner circle and 1 central through hole of lower die tooling by circular diameter in counterbore Concentricity；Middle die craft equipment 3 is placed in above lower die tooling 1 again, counterbore inner circle and lower die worker by middle 3 bottom of die craft equipment Fill the concentricity of 1 outer lug boss outer circle control lower die tooling 1；It is then placed in shaft 4, shaft 4 ensure that by middle 3 inner circle of die craft equipment The concentricity and verticality of shaft 4 and bearing 2；It is exerted a force again with pressure head 5, completes the assembly work of bearing 2, the whole series tooling is logical It crosses control bearing 2 and shaft 4 and is pressed 2 inner hole of process middle (center) bearing and be aligned with tooling inner hole, ensure that the coaxial of shaft 4 and bearing 2 Degree and verticality can rapidly and accurately be pressed into bearing 2, solve bearing 2 and shaft 4 is pressed 2 Internal and external cycle of process middle (center) bearing simultaneously Harm caused by stress, while middle mould avoids the risk that process of press in shaft 4 may bend, lower die tooling 1 is convex Counterbore inner lower edge Middle face is provided with boss on platform, and the boss height is 0.5mm, inner ring end face when being pressed for bearing 2 Contact is used.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of bearing assembling tooling, which is characterized in that its feature include lower die tooling (1), bearing (2), middle die craft equipment (3), Shaft (4) and pressure head (5), lower die tooling (1) shape are that band boss is cylindrical, and counterbore, the bearing are equipped in boss (2) mutually chimeric on the inside of the counterbore on lower die tooling (1) boss, middle die craft equipment (3) shape is cylindrical structure, and bottom is set It is equipped with counterbore, counter bore hole diameters are consistent with lower die tooling (1) upper end boss diameter and mutually chimeric, in the middle die craft equipment (3) Portion is provided with inner hole, and diameter of bore is consistent with shaft (4) middle section diameter, and the shaft (4) is embedded in the middle part of middle die craft equipment (3) On the inside of inner hole, and shaft (4) bottom is embedded in the middle part of lower die tooling (1) in the middle part of bearing (2), pressure head (5) shape It is cylindrical for band boss, it is set on the upside of middle die craft equipment (3), and at the top of pressure head (5) bottom face linking shaft (4).

2. a kind of bearing assembling tooling according to claim 1, it is characterised in that: sink on lower die tooling (1) boss The hole depth in hole is greater than bearing (2) thickness 0.5mm, a diameter of bearing (2) outer diameter.

3. a kind of bearing assembling tooling according to claim 2, it is characterised in that: the counterbore inner lower edge Middle face is set It is equipped with boss, and the boss height is 0.5mm.

4. a kind of bearing assembling tooling according to claim 1, it is characterised in that: lower die tooling (1) the center setting There is through-hole, diameter is consistent with bearing (2) internal diameter.

5. a kind of bearing assembling tooling according to claim 4, it is characterised in that: bearing (2) middle part and lower die worker Filling shape through-hole in (1) is concentricity.

6. a kind of bearing assembling tooling according to claim 1, it is characterised in that: middle die craft equipment (3) the bottom counterbore It is concentricity with lower die tooling (1) central through hole.

7. a kind of bearing assembling tooling according to claim 1, it is characterised in that: the shaft (4) passes through middle die craft equipment (3) middle part inner circle and bearing (2) are in concentricity and verticality.