阅读说明：本技术 电枢换向器压配装置 (Armature commutator press-fit device ) 是由 刘彪 于 2020-12-05 设计创作，主要内容包括：本发明公开了一种电枢换向器压配装置,属于电机装配工装；旨在提供一种装配精度好的电机装配工装。它包括定位部和夹紧机构；第一定位部由带有定位孔(13)的底座架(3)、与定位孔(13)连通的第一滑槽(20)、位于该第一滑槽中的弹簧插销(15)构成,第二定位部由带有定位沉孔(17)的弹性夹板(1)、与定位沉孔(17)连通的第二滑槽(19)、位于该第二滑槽中的滑动插销(12)构成；夹紧机构由开设在弹性夹板(1)上的切缝(18)、固定在弹性夹板(1)上的螺柱(11)、位于该螺柱上的蝶形螺母构成；底座架(3)上有导柱(2),弹性夹板(1)上有导向槽(7)；弹性夹板(1)上方有压套(9)。(The invention discloses an armature commutator press-fit device, belonging to a motor assembly tool; aiming at providing a motor assembling tool with good assembling precision. It comprises a positioning part and a clamping mechanism; the first positioning part consists of a base frame (3) with a positioning hole (13), a first sliding groove (20) communicated with the positioning hole (13) and a spring bolt (15) positioned in the first sliding groove, and the second positioning part consists of an elastic clamping plate (1) with a positioning counter bore (17), a second sliding groove (19) communicated with the positioning counter bore (17) and a sliding bolt (12) positioned in the second sliding groove; the clamping mechanism consists of a cutting seam (18) arranged on the elastic splint (1), a stud (11) fixed on the elastic splint (1) and a butterfly nut positioned on the stud; the base frame (3) is provided with a guide post (2), and the elastic splint (1) is provided with a guide groove (7); a pressing sleeve (9) is arranged above the elastic splint (1).)

1. An armature commutator press-fit device comprises a positioning part and a clamping mechanism; the method is characterized in that: the positioning part comprises a first positioning part and a second positioning part;

the first positioning part consists of a base frame (3) with a positioning hole (13) on the top surface, a first sliding groove (20) arranged on the base frame and communicated with the positioning hole (13), and a spring bolt (15) positioned in the first sliding groove,

the second positioning part is composed of an elastic clamping plate (1) with a positioning counter bore (17) on the bottom surface, a second sliding groove (19) which is positioned on the back surface of the elastic clamping plate and communicated with the positioning counter bore (17), and a sliding bolt (12) installed in the second sliding groove;

the clamping mechanism consists of a cutting slit (18) which is arranged on the elastic clamping plate (1) and traverses through the positioning counter bore (17), a stud (11) which traverses through the cutting slit and is fixed on the elastic clamping plate (1), and a butterfly nut which is fixed on the stud;

two guide posts (2) are fixed on the base frame (3), and a guide groove (7) matched with the corresponding guide post (2) is arranged on the elastic splint (1); a pressing sleeve (9) is arranged above the elastic splint (1).

2. The armature commutator press-fit device according to claim 1, wherein: and a positioning bush (5) is fixed on the base frame (3) corresponding to the position below the positioning hole (13).

3. The armature commutator press-fit device according to claim 1, wherein: an adjusting nut (16) is fixed on the spring bolt (15).

Technical Field

The invention relates to an armature assembly device, in particular to an armature commutator press-fit device; belongs to motor assembly process equipment.

Background

The armature is a core component of the motor, and is generally composed of a commutator fixed on a rotor core assembly of the motor shaft and fixed on the motor shaft in an interference fit manner. At present, when the commutator is assembled, the operation modes of visual positioning and manual striking are generally adopted. Not only the intensity of labour is big, inefficiency, damage commutator or rotor core subassembly easily, is difficult to guarantee moreover that the switching-over groove angle on commutator surface keeps unanimous with the rule groove angle on rotor core subassembly surface, and the assembly precision is difficult to keep unanimous, awaits urgent need the improvement.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the armature commutator press-fit device which is simple in structure, convenient to use and good in assembly precision.

In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a positioning part and a clamping mechanism; the positioning part comprises a first positioning part and a second positioning part; the first positioning part comprises a base frame with a positioning hole on the top surface, a first sliding groove arranged on the base frame and communicated with the positioning hole, and a spring bolt positioned in the first sliding groove, and the second positioning part comprises an elastic clamping plate with a positioning counter bore on the bottom surface, a second sliding groove positioned on the back surface of the elastic clamping plate and communicated with the positioning counter bore, and a sliding bolt arranged in the second sliding groove; the clamping mechanism consists of a cutting seam which is arranged on the elastic clamping plate and traverses the positioning counter bore, a stud which traverses the cutting seam and is fixed on the elastic clamping plate, and a butterfly nut which is fixed on the stud;

two guide posts are fixed on the base frame, and the elastic clamping plate is provided with guide grooves matched with the corresponding guide posts; a pressing sleeve is arranged above the elastic splint.

Furthermore, a positioning bushing is fixed on the base frame corresponding to the position below the positioning hole.

Furthermore, an adjusting nut is fixed on the spring bolt.

Compared with the prior art, the invention has the following advantages due to the adoption of the technical scheme:

1) utilize first location portion, second location portion to carry out the complete positioning to armature and commutator respectively, consequently can guarantee the angular relation of commutator and motor shaft and commutator and rotor core subassembly rule groove through guiding mechanism, and then improve the assembly precision.

2) The axial press-fit position is accurate and controllable, and the defects that the commutator is easily damaged by manual beating and the axial press-fit position is difficult to control are thoroughly avoided.

In a word, the invention has the advantages of simple structure, convenient operation, low labor intensity, high assembly efficiency, good precision, no damage to workpieces and the like.

Drawings

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a view from the direction B of FIG. 1;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 5 is a schematic structural view of the present invention;

FIG. 6 is a schematic view of the spring bolt of the present invention;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a schematic view of the sliding bolt of the present invention;

fig. 9 is a side view of fig. 8.

In the figure: the device comprises an elastic clamping plate 1, a guide pillar 2, a base frame 3, a motor shaft 4, a positioning bush 5, a locking screw 6, a guide groove 7, a commutator 8, a pressing sleeve 9, a hydraulic machine 10, a stud 11, a sliding bolt 12, a waist-shaped hole 12-1, a positioning hole 13, an auxiliary positioning hole 14, a spring bolt 15, a screw rod 15-1, a positioning block 15-2, an adjusting nut 16, a positioning counter bore 17, a cutting seam 18, a second sliding groove 19 and a first sliding groove 20.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

As shown in fig. 1-9: the positioning part comprises a first positioning part and a second positioning part.

The first positioning part comprises a base frame 3 with a positioning hole 13 on the top surface, a first sliding groove 20 arranged on the base frame and communicated with the positioning hole 13, and a spring bolt 15 positioned in the first sliding groove, wherein the spring bolt comprises a screw rod 15-1, a convex positioning block 15-2 fixed at one end of the screw rod, and a spring (not marked in the figure) sleeved on the screw rod 15-1.

The second positioning part is composed of an elastic clamping plate 1 with a positioning counter bore 17 on the bottom surface, a second sliding groove 19 which is positioned on the back surface of the elastic clamping plate and communicated with the positioning counter bore 17, and a sliding bolt 12 which is positioned in the second sliding groove. The sliding bolt 12 is a convex plate-shaped structure provided with a waist-shaped hole 12-1, and the sliding bolt 12 is arranged in the second sliding groove 19 by a locking screw 6 penetrating through the waist-shaped hole 12-1.

The clamping mechanism is composed of a cutting slit 18 which is arranged on the elastic clamping plate 1 and passes through the positioning counter bore 17, a stud 11 which passes through the cutting slit and is fixed on the elastic clamping plate 1, and a butterfly nut which is fixed on the stud.

Two guide posts 2 are fixed on the base frame 3, and the elastic clamping plate 1 is provided with a guide groove 7 matched with the corresponding guide post 2; a pressing sleeve 9 is arranged above the elastic splint 1.

In order to prevent the motor shaft 4 from shaking during press-fitting, a positioning bush 5 having an auxiliary positioning hole 14 on its surface is fixed to the base frame 3 at a position corresponding to the lower side of the positioning hole 13.

In order to facilitate the pulling of the spring bolt 15 and also to facilitate the adjustment of the spring force of said spring, an adjusting nut 16 is fixed to the screw 15-1.

The working principle is as follows:

when the positioning device is used, the armature is vertically inserted into the positioning hole 13, and the positioning block 15-2 of the spring bolt 15 is inserted into a coil inserting groove (not shown in the figure) of the rotor core assembly, so that the armature is positioned.

Then the commutator 8 is arranged in the positioning counter bore 17, the front end of the sliding bolt 12 is inserted into a reversing groove (not shown) on the surface of the commutator 8, and the commutator 8 is clamped in the positioning counter bore 17 through the elastic clamping plate 1 by using the butterfly nut (not shown), so that the commutator 8 is positioned and clamped.

The elastic clamping plate 1 holding the commutator 8 is arranged on the two guide posts 2 through the guide grooves 7 on the elastic clamping plate, the pressing sleeve 9 is arranged on the surface of the elastic clamping plate 1 corresponding to the commutator 8, and the hydraulic press 10 can press the commutator 8 on the motor shaft 4 through the pressing sleeve 9 and the elastic clamping plate 1.

And lifting the hydraulic press 10, sequentially taking down the pressing sleeve 9, loosening the butterfly nut and the locking screw 6, taking down the elastic clamping plate 1 and loosening the spring bolt 15, and then taking the workpiece (armature) out of the base frame 3.