Motor stator core swelling device
Technical field
The utility model relates to a kind of erecting tools of motor stator core, particularly relates to a kind of swelling device of DC motor stator iron core.
Background technology
The direct current machine that fork truck uses is when carrying out stator assembly process, and wherein having an operation is to carry out stator core assembling.During assembling, stator core is placed in inside support on main pole platform, with hand steered good, outside support, in magnetic pole hole, lays bolt, utilize pneumatic riveting gun that bolt is screwed to stator core simultaneously.Owing to having error between magnetic pole table top and stator core arc surface, and also there is error in the fit clearance between magnetic pole hole and bolt, therefore the accumulated error of two aspects makes stator core often after installation, be difficult to be adjacent on support main pole table top, and do not reach the dimensional requirement of the stator core internal diameter of drawing regulation.
Summary of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of stator core that can make to be adjacent on main pole table top, can reach and meet the motor stator core swelling device that the stator core internal diameter size stipulated on drawing requires.
For solving the problems of the technologies described above, the utility model adopts a kind of like this motor stator core swelling device, this swelling device to comprise frame, outer cone anchorage bar and the inner cone piece that rises; Described frame has table top, described outer cone anchorage bar consists of conehead and the columniform shaft of inversed taper platform shape, the described inner cone piece that rises is comprised of four pieces that independently rise, these four pieces that independently rise are connected to form a upper port for the cylinder of an outer bell by elastic connecting strip, the conehead of described outer cone anchorage bar is placed in inner cone and rises in the bell of piece, and the male cone (strobilus masculinus) of conehead and the inner conical surface of bell are suitable, the shaft of described cone anchorage bar is driven and is made upper and lower rectilinear motion by drive unit.
In the utility model, this swelling device also comprises chassis and trim ring, described chassis is fixedly mounted on table top and which is provided with a through hole passing for the shaft of outer cone anchorage bar, described trim ring is fixedly mounted on chassis, the described cylinder lower port being connected to form by four pieces that independently rise is provided with outward extending flange, and described trim ring is provided with one for outer cone anchorage bar and inner cone through hole and the groove that holds described flange that piece passes that rise.
In the utility model, this swelling device also comprises a rotating disk being arranged on rotationally on chassis, and this rotating disk is provided with one for outer cone anchorage bar and inner cone through hole and the groove that holds described trim ring that piece passes that rise.
In the utility model, in the through hole on chassis, be also provided with an axle sleeve, the shaft of outer cone anchorage bar and described axle sleeve are slidably matched.
In the utility model, described elastic connecting strip is O shape rubber ring, and described drive unit is cylinder, and the output shaft of this cylinder is connected with the shaft lower end of cone anchorage bar.
Adopt after said structure, the utlity model has following beneficial effect:
The utility model is by air cylinder driven outer cone anchorage bar and the inner cone piece tensioner stator core that rises, and one time tensioner can make stator core abut in firmly on main pole table top, thereby can reach and meet the dimensional requirement of the stator core internal diameter of stipulating on drawing.
The utility model is shaped by a tensioner, can guarantee that a plurality of stator core internal diameter sizes are correct simultaneously, has both reduced repeatedly the manual operation of doing over again, and has promoted production efficiency, has guaranteed better again motor quality.
The utility model is installed after a rotating disk on chassis, can make the assembling of stator core more convenient.
The utility model can be changed the inner cone that match the with it piece that rises according to the different diameter of stator bore of motor, and the scope of application is wide.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of structural representation of the utility model motor stator core swelling device.
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Fig. 3 is a kind of structural representation of piece of independently rising in the utility model.
Fig. 4 is a kind of structural representation of trim ring in the utility model.
Embodiment
Referring to a kind of motor stator core swelling device shown in Fig. 1 to Fig. 4, this swelling device comprises frame 1, outer cone anchorage bar 2 and the inner cone piece 3 that rises; Described frame 1 has table top 1-1, described outer cone anchorage bar 2 consists of conehead 2-1 and the columniform shaft 2-2 of inversed taper platform shape, the described inner cone piece 3 that rises is comprised of four piece 3-1 that independently rise, these four the piece 3-1 that independently rise are connected to form a upper port for the cylinder of an outer bell 4 by elastic connecting strip 9, the conehead 2-1 of described outer cone anchorage bar 2 is placed in inner cone and rises in the bell 4 of piece 3, and the inner conical surface of the male cone (strobilus masculinus) of conehead 2-1 and bell 4 is suitable, the shaft 2-2 of described cone anchorage bar 2 is driven and is made upper and lower rectilinear motion by drive unit 15.
In the utility model, as Fig. 1, 2, shown in 4, this swelling device also comprises chassis 5 and trim ring 6, described chassis 5 is mounted by means of bolts on table top 1-1 above and which is provided with a through hole 5-1 who passes for the shaft 2-2 of outer cone anchorage bar 2, described trim ring 6 is fixedly mounted on chassis 5 by screw 10, the described cylinder lower port being connected to form by four piece 3-1 that independently rise is provided with outward extending flange 3a, as shown in Figure 3, each piece 3-1 that rises is equipped with a flange 3a, four piece 3-1 that rise form an annular flange limit, described trim ring 6 is provided with one for outer cone anchorage bar 2 and inner cone through hole 6-1 and the groove 6-2 who holds described flange 3a that piece 3 passes that rise, when work, flange 3a can radially slide in groove 6-2.
In the utility model, as shown in Figure 1, 2, this swelling device also comprises that one is arranged on the rotating disk 7 on chassis 5 rotationally by thrust ball bearing 11, and this rotating disk 7 is provided with one for outer cone anchorage bar 2 and inner cone through hole 7-1 and the groove 7-2 who holds described trim ring 6 that piece 3 passes that rise.During work, motor stator 12 is vertically placed on the upper surface of rotating disk 7.
As shown in Figure 1, 2, on chassis, 5 through hole 5-1 place is also provided with an axle sleeve 8 to the utility model, and this axle sleeve 8 is with through hole 5-1 tight fit and by junction of the edges of two sheets of paper screw fastened, and the shaft 2-2 of outer cone anchorage bar 2 is through axle sleeve 8 and be slidably matched with described axle sleeve 8.
Elastic connecting strip 9 of the present utility model is preferably O shape rubber ring, described drive unit 15 is cylinder, the output shaft of this cylinder is connected with the shaft 2-2 lower end of cone anchorage bar 2 by connector 13 and bearing pin 14, and during work, cylinder 15 is controlled by two-position four way change valve 16.
During the utility model work, as shown in Figure 1, motor stator 12 is vertically placed on the upper surface of rotating disk 7, the stator core 17 for the treatment of tensioner is enclosed within to inner cone and rises on piece 3, with manual manipulation two-position four way change valve 16, during cylinder 15 pressure rises, drive outer cone anchorage bar 2 upwards, when cylinder 15 air pressure fall after rise, drive outer cone anchorage bar 2 to fall after rise downwards, outer cone anchorage bar 2 promotes the inner cone piece 3 that rises and compresses tightly stator core 17 while falling after rise, make stator core 17 be adjacent to main pole table top 18.By a tensioner, can guarantee that stator core 17 internal diameter sizes reach drawing requirement, without again carrying out repaired by hand, have obtained good practical function like this.