CN103212976A

CN103212976A - Simultaneous press-fitting device for new motor rotor front and rear bearings

Info

Publication number: CN103212976A
Application number: CN2013101446335A
Authority: CN
Inventors: 黄跃进; 王志春
Original assignee: Dalian Dexin New Technology Engineering Co ltd
Current assignee: Dalian Dexin New Technology Engineering Co ltd
Priority date: 2013-04-24
Filing date: 2013-04-24
Publication date: 2013-07-24
Anticipated expiration: 2033-04-24
Also published as: CN103212976B

Abstract

The present invention relates to a device for simultaneously pressing the front and rear bearings of a motor rotor, and more specifically, to a novel device for simultaneously pressing the front and rear bearings of a traction motor rotor of a new energy electric vehicle, comprising a pressing head, a bearing seat, a rodless cylinder, a connecting arm, a follower rod, a workpiece locating pin, a base plate, a limit pin, a guide column and a bracket, a "V"-shaped bracket, a pressing plate, a hydraulic cylinder, an adjustment pad 1, an adjustment pad 2 and an "O"-ring. The device can simultaneously press the front and rear bearings of a motor rotor at one time, thereby reducing the cycle time, reducing the floor space, saving labor costs, and realizing multi-variety assembly.

Description

New-type electric machine rotor front and back bearings is press-loading apparatus simultaneously

Technical field

The present invention relates to a kind of rotor front and back bearings press-loading apparatus simultaneously, more particularly, relate to a kind of novel New-energy electric vehicle traction electric machine rotor front and back bearings press-loading apparatus simultaneously that is used for.

Background technology

General bearing press mounting mode to be adopted vertically, once only press-fits an end, and it is low to press-fit efficient.If can when producing in enormous quantities, realize that the front and back end press-fits simultaneously, then can shorten pitch time, reduce floor space, save cost of labor.

Summary of the invention

The present invention be directed to above problem and develop a kind of New-energy electric vehicle traction electric machine rotor front and back bearings press-loading apparatus simultaneously that is used for, this device can effectively shorten pitch time, saves cost of labor.

To achieve these goals, technical scheme of the present invention is as follows:

New-type electric machine rotor front and back bearings is press-loading apparatus simultaneously, comprise pressure head, bearing block, Rodless cylinder, linking arm, tappet, workpiece alignment pin, base plate, spacer pin, lead and support, " V " type support, press-fit plate, hydraulic jack, adjusting pad one, adjusting pad two and " O " type circle, it is characterized in that: described Rodless cylinder is fixed on the base plate, the Rodless cylinder piston links together by linking arm and tappet, tappet is assemblied on " V " type support, can drive " V " type support when the piston of Rodless cylinder moves and move; Described lead and support comprise lead, lead right side support, lead left side brackets, and above-mentioned parts are installed on the base plate, and two leads are parallel to each other, and " V " type support of place work piece is installed on the lead, can slide along lead; Described hydraulic jack is fixed on lead right side support central authorities, and the piston rod front end of hydraulic jack connects pressure head, pressure head and press-fit plate and link together; Described bearing block quantity is two, and one is sleeved on lead left side brackets central authorities, and another is sleeved on the central authorities that press-fit plate.

Described bearing block is a quick-changing type, and with plug-in type spacer pin 8 location, the inner hole of bearing seat trough of belt is placed " O " type circle, for the bearing location is installed.When the different-diameter bearing need press-fit, change bearing block and get final product.

Described tappet two ends respectively are provided with three dowel holes, are convenient to two workpiece alignment pins are inserted in relevant position, tappet two ends respectively, do axial location for the material loading workpiece.

Described adjusting pad one, adjusting pad two are installed on " V " type support, are used to the bearing block center line alignment that guarantees the rotor axis line and be arranged on two ends.Change adjusting pad thickness, can press-fit the different-diameter rotor.

Implement technical scheme of the present invention, have following beneficial effect: can once press-fit former and later two bearings of rotor simultaneously, reduce pitch time, reduce floor space, save labour turnover; Realize many kind assemblings.

Description of drawings

Fig. 1 is the structural representation of one embodiment of the invention;

Fig. 2 is the front view of the structural representation of the embodiment of the invention;

Fig. 3 is the vertical view of the structural representation of the embodiment of the invention;

Fig. 4 is the side view of the structural representation of the embodiment of the invention;

Fig. 5 is the enlarged drawing of the structural representation bottom bracket of the embodiment of the invention.

Among the figure: 1, pressure head; 2, bearing block; 3, Rodless cylinder; 4, linking arm; 5, tappet; 6, workpiece alignment pin; 7, base plate; 8, spacer pin; 9, lead and support; 9a, lead, 9b, lead right side support, 9c, lead left side brackets, 10, " V " type support; 11, press-fit plate; 12, hydraulic jack; 13, adjusting pad; 14, adjusting pad; 15, " O " type circle.

The specific embodiment

The invention provides a kind of New-type electric machine rotor front and back bearings press-loading apparatus simultaneously, technical scheme of the present invention is elaborated below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of one embodiment of the invention; Fig. 2 to Fig. 5 is front view, vertical view, side view and the partial enlarged drawing of the structural representation of the embodiment of the invention, as shown in the figure.

New-type electric machine rotor front and back bearings of the present invention simultaneously press-loading apparatus comprise pressure head 1, bearing block 2, Rodless cylinder 3, linking arm 4, tappet 5, workpiece alignment pin 6, base plate 7, spacer pin 8, lead and support 9, " V " type support 10, press-fit plate 11, hydraulic jack 12, adjusting pad 13, adjusting pad 14, " O " type circle 15.

Rodless cylinder 3 is fixed on the base plate 7, and Rodless cylinder 3 pistons link together by linking arm 4 and tappet 5, and tappet 5 is assemblied on " V " type support 10, can drive " V " type support 10 when the piston of Rodless cylinder 3 moves and move; Lead and support 9 are installed on the base plate 7, two lead 9a are parallel to each other, " V " type support 10 of supporting workpiece is installed on the lead 9a, can slide along lead 9a, hydraulic jack 12 is fixed on lead right side support 9b central authorities, the piston rod front end of hydraulic jack 12 connects pressure head 1, pressure head 1 and press-fit plate 11 and link together, during hydraulic jack 12 work, pressure head 1 drive press-fits plate 11 and moves along lead 9a, described bearing block 2 quantity are 2, and one of them is sleeved on lead left side brackets 9c central authorities, and another is sleeved on the central authorities that press-fit plate 11.Bearing block is a quick-changing type, and with plug-in type spacer pin 8 location, bearing block 2 endoporus troughs of belt are placed " O " type circle 15, for the bearing location is installed, change inner hole of bearing seat size and " O " type circle size, can adorn the different-diameter bearing.Respectively be provided with three dowel holes at tappet 5 two ends.Two workpiece alignment pins 6 are inserted in relevant position, tappet 5 two ends respectively, do axial location when being used for the workpiece material loading; Be installed in the workpiece that four adjusting pads 1 on " V " type support 10 and four adjusting pads 2 14 be respectively different-diameter and do radial location.Four adjusting pads 2 14 are taken off, can locate for large-diameter workpiece.Change adjusting pad thickness and can be different-diameter workpiece location.When pressure head 1 moved ahead, the porting of Rodless cylinder 3 led to atmosphere, Rodless cylinder 3 servo-actuateds; After 1 time original position of pressure head, Rodless cylinder 3 moves ahead, and " V " type support 10 is delivered to the material loading station.

The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.

Claims

1. Simultaneous press-fitting device for the front and rear bearings of the new motor rotor, including pressure head, bearing seat, rodless cylinder, connecting arm, follower rod, workpiece positioning pin, bottom plate, limit pin, guide column and bracket, "V" type bracket , press mounting plate, hydraulic cylinder, adjusting pad one, adjusting pad two and "O" ring, characterized in that: the rodless cylinder is fixed on the bottom plate, and the piston of the rodless cylinder is connected with the follower rod through the connecting arm Together, the follower rod is assembled on the "V"-shaped bracket, and the piston of the rodless cylinder will drive the "V"-shaped bracket to move; the guide column and the bracket include the guide column, the right side bracket of the guide column, and the guide column The left side bracket, the above components are installed on the bottom plate, the two guide columns are parallel to each other, the "V" type bracket for placing the workpiece is installed on the guide column, and can slide along the guide column; the hydraulic cylinder is fixed on the right side of the guide column In the center of the bracket, the front end of the piston rod of the hydraulic cylinder is connected to the pressure head, and the pressure head and the pressure mounting plate are connected together; the number of bearing seats is two, one is set in the center of the bracket on the left side of the guide column, and the other is set in the pressure mounting plate the central.

2. The new-type motor rotor front and rear bearing simultaneous press-fitting device according to claim 1, characterized in that: the bearing seat is a quick-change type, and is positioned with a plug-in limit pin 8, and the inner hole of the bearing seat is grooved. The "O" ring is used to locate the bearing; when bearings with different diameters need to be pressed, just replace the bearing seat.

3. The new-type motor rotor front and rear bearing simultaneous press-fitting device according to claim 1, characterized in that: three positioning pin holes are respectively provided at both ends of the follower rod, which is convenient for inserting the two workpiece positioning pins into the follower The corresponding positions at both ends of the moving rod are used for axial positioning of the loading workpiece.

4. The new-type motor rotor front and rear bearing simultaneous press-fitting device according to claim 1, characterized in that: said adjustment pad 1 and adjustment pad 2 are installed on a "V"-shaped bracket to ensure that the axis line of the rotor and the The center lines of the bearing seats arranged at both ends are aligned; changing the thickness of the adjusting pad can press-fit rotors with different diameters.