阅读说明：本技术 转子组件上压换向器装置 (Rotor assembly upward-pressing commutator device ) 是由 楼海龙 汪宏俊 于 2019-11-09 设计创作，主要内容包括：本发明的目的是提供一种便于加工和装配,且能实现换向器与转子组件上转子铁芯对准的转子组件上压换向器装置。一种转子组件上压换向器装置,包括底板,所述底板上设有换向器定位座、转子组件定位座和压紧机构,所述压紧机构输出端设有压块,所述转子组件定位座位于换向器定位座上方并通过支架固定于底板上,所述换向器定位座具有用于放置换向器的放置槽,所述转子组件定位座具有上下贯穿以放置转子组件的导向槽,所述让位槽槽壁上设有第一定位片,所述第一定位片宽度与转子组件的转子槽宽度相同,所述换向器定位座上设有调试片,所述调试片上端宽度与转子槽宽度相同,所述换向器定位座与底板间设有相互配合的固定结构。(The invention aims to provide a rotor assembly upward-pressing commutator device which is convenient to process and assemble and can realize alignment of a commutator and a rotor core on a rotor assembly. The utility model provides a commutator device is pressed on rotor subassembly, includes the bottom plate, be equipped with commutator positioning seat, rotor subassembly positioning seat and hold-down mechanism on the bottom plate, the hold-down mechanism output is equipped with the briquetting, the rotor subassembly positioning seat is located commutator positioning seat top and is fixed in on the bottom plate through the support, the commutator positioning seat has the standing groove that is used for placing the commutator, the rotor subassembly positioning seat has the guide way of running through from top to bottom in order to place the rotor subassembly, be equipped with first spacer on the groove wall of stepping down, first spacer width is the same with the rotor groove width of rotor subassembly, be equipped with the debugging piece on the commutator positioning seat, debugging piece upper end width is the same with rotor groove width, be equipped with the fixed knot structure of mutually supporting between commutator positioning seat and.)

1. A commutator device is pressed on a rotor assembly, which is characterized by comprising a bottom plate, wherein a commutator positioning seat, a rotor assembly positioning seat and a pressing mechanism are arranged on the bottom plate, a pressing block is arranged at the output end of the pressing mechanism, the rotor assembly positioning seat is positioned above the commutator positioning seat and is fixed on the bottom plate through a support, the commutator positioning seat is provided with a placing groove for placing a commutator, the rotor assembly positioning seat is provided with a guide groove which penetrates up and down to place the rotor assembly, the pressing block moves under the action of the pressing mechanism to press the commutator on the commutator positioning seat, a first positioning sheet is arranged on the groove wall of the placing groove, the width of the first positioning sheet is the same as that of a rotor groove of the rotor assembly, a regulating sheet is arranged on the commutator positioning seat, the width of the upper end of the regulating sheet is the same as that of the rotor groove, and a, the fixing structure comprises at least two arc-shaped adjusting grooves and fixing bolts located in the adjusting grooves, the arcs of the adjusting grooves and the placing grooves are concentrically arranged, and the adjusting grooves are arranged on the bottom plate or the commutator positioning seat.

2. The rotor assembly commutator device of claim 1, wherein the commutator positioning seat is provided with a fixing block at a lower end thereof, the fixing block is provided with the adjusting groove penetrating up and down, the bottom plate fixing bolt is fixed on the bottom plate, and the fixing bolt is matched with a fixing nut.

3. The rotor assembly commutator device according to claim 1, wherein the commutator positioning seat has a fixing block at a lower end thereof, the fixing block has the adjusting groove extending vertically therethrough, the bottom plate has a fixing hole for engaging with a fixing bolt, the lower end of the fixing bolt is fixed in the fixing hole, or the upper end of the fixing bolt passes through the fixing hole and is fixed with a fixing nut.

4. The apparatus of claim 1, wherein the test strip is detachably fixed to the commutator positioning seat.

5. A rotor assembly pressing up commutator device according to claim 1 or 4, wherein the commutator positioning seat has a first positioning groove with an upward opening, the lower end of the test strip has a second positioning groove corresponding to the first positioning groove, or the lower end of the test strip has a positioning protrusion extending into the first positioning groove to fix the test strip and the commutator positioning seat.

6. A rotor assembly up-pressing commutator device according to claim 5, wherein the width of the first positioning groove is the same as the width between two adjacent commutator segments of the commutator.

7. A rotor assembly up-draft diverter device according to claim 5, wherein the number of said first detent grooves is at least two.

8. A rotor assembly commutator device as claimed in claim 6, wherein the first locating groove is matched with a second locating piece, and the width of the second locating piece is the same as the width between two adjacent commutator segments of the commutator.

9. The rotor assembly commutator device of claim 1 wherein the commutator positioning seat has a relief groove for relieving the pressing block and communicating with the placement groove, the contact surface of the pressing block and the commutator is a cambered surface.

10. A rotor assembly up-pressure commutator device according to claim 1, wherein the inner edge of the cross section of the guide groove is circular or arc-shaped; the guide groove is open at the side surface.

Technical Field

The invention relates to a rotor assembly pressing commutator device.

Background

When the commutator and the rotor assembly are pressed, a groove formed between two adjacent commutator segments of the commutator needs to be aligned with a rotor groove of a rotor core. The invention patent with application number 201721916329.8 discloses a rotor assembly and commutator press-fitting device, wherein a commutator positioning plate is arranged on a commutator positioning seat, a rotor assembly positioning plate is arranged on the rotor assembly positioning seat, and the alignment of a rotor groove of a rotor core and a groove of a commutator is realized through the matching of the commutator positioning plate and the rotor assembly positioning plate, but the device has high processing technology and assembly requirements and higher production cost.

Because the commutator is small, the length of the commutator positioning sheet is limited, the width between two adjacent commutator segments of some commutators is 1mm, even the width between two adjacent commutator segments of some commutators is 0.5mm, so that the commutator positioning sheet is thin. The commutator positioning pieces are easy to deform or wear in the press-fitting process, and even if the commutator is aligned with the rotor core before, the commutator positioning pieces deform and wear to cause deviation.

There is a need for a rotor assembly up-pressing commutator device that is easy to machine and assemble and that can achieve alignment of the commutator with the rotor core on the rotor assembly.

Disclosure of Invention

The invention aims to provide a rotor assembly upward-pressing commutator device which is convenient to process and assemble and can realize alignment of a commutator and a rotor core on a rotor assembly.

In order to achieve the purpose, the invention adopts the following technical scheme: a commutator device is pressed on a rotor assembly, which comprises a bottom plate, wherein a commutator positioning seat, a rotor assembly positioning seat and a pressing mechanism are arranged on the bottom plate, a pressing block is arranged at the output end of the pressing mechanism, the rotor assembly positioning seat is positioned above the commutator positioning seat and is fixed on the bottom plate through a support, the commutator positioning seat is provided with a placing groove for placing a commutator, the rotor assembly positioning seat is provided with a guide groove which penetrates up and down to place the rotor assembly, the pressing block moves under the action of the pressing mechanism to press the commutator on the commutator positioning seat, a first positioning sheet is arranged on the groove wall of the placing groove, the width of the first positioning sheet is the same as that of a rotor groove of the rotor assembly, a regulating sheet is arranged on the commutator positioning seat, the width of the upper end of the regulating sheet is the same as that of the rotor groove, and a, the fixing structure comprises at least two arc-shaped adjusting grooves, and arcs and placing grooves which are positioned in the adjusting grooves and used for fixing the plurality of adjusting grooves of the bolt, and the adjusting grooves are arranged on the bottom plate or the commutator positioning seat in a concentric mode.

During the assembly of the invention, fix the rotor assembly positioning seat on the bottom plate firstly, place the commutator positioning seat on the bottom plate and make fixing bolt be located the adjustment tank, place the rotor assembly in the guide way of rotor assembly positioning seat afterwards, and make first spacer be located the rotor inslot of the rotor core of rotor assembly, later through the mode that rotates the commutator in order to realize that the debugging piece is located the rotor inslot, the debugging piece is aimed at or is fixed with the commutator positioning seat, carry out fixing bolt at last, the locking of bottom plate and commutator positioning seat is fixed.

When the commutator positioning device is used, the commutator and the commutator positioning seat are aligned, then the commutator and the commutator positioning seat are fixed through the pressing mechanism, and then the rotor assembly is placed and pressed. The invention has lower requirements on the processing technology, very convenient assembly and lower production cost.

The commutator can be aligned with the commutator positioning seat in various ways; the commutator positioning seat can be grooved and provided with positioning pieces, alignment of the commutator and the commutator positioning seat is realized through the positioning pieces, then a pressing mechanism is provided for pressing and fixing the commutator, then the rotor assembly is pressed and mounted, and the rotor and the positioning pieces are taken out after the pressing and mounting are finished; even the commutator can be aligned with the commutator positioning seat by visual inspection, for example, a marking line with the same width as the groove (the space between two adjacent commutator segments) on the commutator is drawn on the commutator, and the commutator positioning seat can also be grooved. The invention only needs to debug the self-rotation angle of the commutator positioning seat once, and the commutator positioning seat and the bottom plate can be welded in a welding mode after the assembly of the commutator positioning seat and the bottom plate is completed.

Preferably, a fixing block is arranged at the lower end of the commutator positioning seat, the adjusting groove which penetrates through the fixing block from top to bottom is formed in the fixing block, the bottom plate fixing bolt is fixed on the bottom plate, and a fixing nut is matched on the fixing bolt. When the assembly fixture is assembled, the fixing bolt is fixed on the bottom plate, then the commutator positioning seat is placed on the bottom plate, the fixing bolt is positioned in the adjusting block, and then the commutator positioning seat is self-transmitted to achieve alignment of the commutator positioning seat, the adjusting piece and the rotor assembly positioning column.

Preferably, a fixing block is arranged at the lower end of the commutator positioning seat, the adjusting groove penetrating through the fixing block up and down is arranged on the fixing block, a fixing hole matched with the fixing bolt is arranged on the bottom plate, the lower end of the fixing bolt is fixed in the fixing hole, or the upper end of the fixing bolt penetrates through the fixing hole and then is fixed with the fixing nut. When the commutator positioning seat is assembled, the commutator positioning seat is placed on the bottom plate, the fixing bolt is inserted into the adjusting groove and penetrates through the fixing hole, the upper end of the fixing bolt is matched with the fixing nut, and then the commutator positioning seat is automatically transmitted to achieve alignment of the commutator positioning seat, the debugging piece and the rotor assembly.

Preferably, the test piece is detachably fixed with the commutator positioning seat. The debugging piece is only used for assembling the invention, and after the alignment of the commutator positioning seat and the rotor assembly is completed, the debugging piece can be detached, so that the subsequent commutator can be conveniently put in, and the subsequent commutator can be more conveniently pressed and assembled.

Preferably, the commutator positioning seat is provided with a first positioning groove with an upward opening, the lower end of the test adjusting piece is provided with a second positioning groove corresponding to the first positioning groove, or the lower end of the test adjusting piece is provided with a positioning bulge extending into the first positioning groove to fix the test adjusting piece and the commutator positioning seat. The debugging piece can be aligned with the commutator positioning seat in a mode of aligning by naked eyes, and can also be aligned with the rotor assembly positioning seat in a mode of fixing the commutator positioning seat

Preferably, the width of the first positioning groove is the same as the width between two adjacent commutator segments of the commutator. The first positioning groove of the commutator positioning seat is not only used for aligning the commutator positioning seat with the debugging sheet, but also used for aligning the commutator positioning seat with the commutator.

Preferably, the number of the first positioning grooves is at least two. The above arrangement improves the alignment accuracy.

Preferably, the first positioning groove is matched with a second positioning piece, and the width of the second positioning piece is the same as the width between two adjacent reversing pieces of the reverser. The second positioning piece is plugged into the groove of the commutator and the first positioning groove to align the commutator with the commutator positioning seat, the commutator and the commutator positioning seat are fixed through the pressing mechanism after alignment, and then the second positioning piece can be detached.

Preferably, the commutator positioning seat is provided with a yielding groove which gives way to the pressing block and is communicated with the placing groove, and the contact surface of the pressing block and the commutator is an arc surface. The pressing effect of the pressing mechanism on the commutator is improved.

Preferably, the inner edge of the cross section of the guide groove is circular or arc-shaped; the guide groove is open at the side surface. The above arrangement facilitates the placement of the rotor assembly into the guide slots.

The invention has the advantages of convenient processing and assembly, lower cost and capability of realizing the alignment of the commutator and the rotor core on the rotor assembly.

Drawings

Fig. 1 is a schematic structural view of the commutator positioning seat and the bottom plate when the commutator positioning seat and the bottom plate are fixed in the invention;

fig. 2 is another schematic structural diagram of the commutator positioning seat and the bottom plate when the commutator positioning seat is fixed in the invention;

FIG. 3 is a schematic view of a construction of the press-fitting of the present invention in use;

fig. 4 is another schematic structural view of the press-fitting device of the present invention.

Detailed Description

The invention is further described below with reference to the figures and specific embodiments.

The rotor assembly pressing commutator device can be used together with various presses, and the presses can select hydraulic presses, cylinder presses, electric cylinders and other existing equipment which can press the rotor shaft of the rotor assembly and the commutator. As is known, a pressure sensor may be provided on the press to detect when the press reaches a set value at the output end of the press and send a signal to reset the press to avoid excessive press fitting.

As shown in fig. 1 to 4, the rotor assembly upward-pressing commutator device of the invention comprises a bottom plate 1, a commutator positioning seat 2 is arranged on the bottom plate 1, rotor subassembly positioning seat 3 and hold-down mechanism 4, the 4 output of hold-down mechanism is equipped with briquetting 41, rotor subassembly positioning seat 3 is located 2 tops of commutator positioning seat and is fixed in on bottom plate 1 through support 30, commutator positioning seat 2 has standing groove 20 that is used for placing commutator 5, rotor subassembly positioning seat 3 runs through guide way 60 in order to place rotor subassembly 6 from top to bottom, briquetting 41 removes under hold-down mechanism 4's effect and compresses tightly commutator 5 on commutator positioning seat 2, be equipped with first spacer 31 on the groove wall of stepping down, first spacer 31 width is the same with rotor assembly 6's rotor groove width, be equipped with test piece 7 on commutator positioning seat 2, test piece 7 upper end width is the same with rotor groove width.

Be equipped with the fixed knot who mutually supports between commutator positioning seat 2 and bottom plate 1 and construct, fixed knot constructs including two and is curved adjustment tank 21, is located the fixing bolt of adjustment tank 21, and the circular arc of a plurality of adjustment tanks 21 sets up with standing groove 20 is concentric, and adjustment tank 21 sets up on commutator positioning seat 2. The lower end of the commutator positioning seat 2 is provided with a fixing block 22, the fixing block 22 is provided with an adjusting groove 21 which penetrates up and down, the bottom plate 1 is provided with a fixing hole 11 matched with a fixing bolt, and the lower end of the fixing bolt is fixed in the fixing hole 11 in a threaded manner.

The debugging piece 7 is detachably fixed with the commutator positioning seat 2, the commutator positioning seat 2 is provided with two first positioning grooves 23 which are opened upwards, and the lower end of the debugging piece 7 is provided with a positioning bulge 71 which extends into the first positioning grooves 23 to fix the debugging piece 7 and the commutator positioning seat 2. The width of the first positioning groove 23 is the same as the width between two adjacent segments of the commutator 5. The first positioning groove lap 23 is provided with a second positioning piece, and the width of the second positioning piece is the same as the width between two adjacent reversing pieces of the reverser 5.

The commutator positioning seat 2 is provided with a yielding groove 24 which gives way to the pressing block 41 and is communicated with the placing groove 20, and the contact surface of the pressing block 41 and the commutator 5 is a cambered surface. The bracket 30 is integrally formed at the lower side of the rotor assembly positioning seat 3, the bracket 30 is provided with a notch for yielding the pressing block 41, the inner edge of the cross section of the guide groove 60 is arc-shaped, and the guide groove 60 is opened towards the front side surface.

When the invention is assembled, the rotor assembly positioning seat is fixed on the bottom plate, the commutator positioning seat is placed on the bottom plate, the adjusting groove is aligned with the fixing hole, then the lower end of the fixing bolt is fixed in the fixing hole, then the rotor assembly is placed in the guide groove of the rotor assembly positioning seat, the first positioning piece is positioned in the rotor groove of the rotor core of the rotor assembly, the rotor shaft of the rotor assembly can be held by hands to ensure that the rotor assembly is hung above the commutator positioning seat, then the adjusting piece is plugged in the rotor groove of the rotor core of the rotor assembly, the self-rotation of the commutator positioning seat is carried out, so that the positioning bulge of the adjusting piece can be positioned in the first section positioning groove of the commutator positioning seat after the rotor assembly descends, and the mutual alignment of the commutator positioning seat, the adjusting piece, the rotor assembly, the first positioning piece and the rotor assembly is realized, and screwing down the fixing bolt to fix the commutator positioning seat and the bottom plate, and finally taking out the test piece and the rotor assembly.

When the commutator pressing device is used, the commutator is placed in the placing groove of the commutator positioning seat, the groove of the commutator is aligned with the first positioning groove, then the pressing mechanism is started to press the commutator onto the commutator positioning seat, then the rotor assembly is placed in the guide groove of the rotor assembly positioning seat, the first positioning piece is positioned in the rotor groove of the rotor core of the rotor assembly, and then the pressing machine is started to press the rotor assembly downwards so as to press the commutator onto the rotor shaft of the rotor assembly. Wherein, whether the commutator groove is aligned with the first positioning groove can be observed by naked eyes; it is also possible to insert a second locating tab into both slots of the commutator and then position the second locating tab in the first locating slot to achieve alignment of the commutator slot with the first locating slot.

The invention has lower requirements on the processing technology, very convenient assembly and lower production cost.