CN208874442U - A kind of rotor riveting press equipment - Google Patents

Abstract

The utility model discloses a kind of rotor riveting press equipments, belong to riveting press equipment technical field, existing riveting press equipment, and rotor core upper on plug can shake；When especially pressing, extruding force may be such that rotor core position changes, so that riveting power is uneven, influence the effect that presses；The fixing piece of the utility model, which moves down, pushes movable block to be displaced outwardly, so that movable block conflict is located on limit shaft on the side wall of rotor, and then the rotor with limit shaft clearance fit；Limit shaft and rotor clearance fit facilitate being put on limit shaft for rotor core, and the movable block of outer shifting can carry out rotor core effectively to fix, so that rotor chip, that is, rotor will not shift, so that uniform force when rotor riveting.

Description

A kind of rotor riveting press equipment

Technical field

The utility model belongs to riveting press equipment technical field, is related to a kind of rotor riveting press equipment.

Background technique

Rotor generally comprises rotor core placed in the middle, copper sheet one, copper sheet two and riveting positioned at rotor core both ends Nail, the rivet sequentially pass through copper sheet one, rotor core, copper sheet two, and then need to carry out riveting to exposed rivet, finally handle Above-mentioned component is fixed together, and forms rotor.Manual operation is generallyd use, the rivet of rotor core will be put into using watchman's wooden clapper head The mode of beaing carries out flange riveting, and the riveting of multiple rivets can only carry out one by one, and this method risk is big, and operating efficiency is low, riveting Pressure is uneven.

In order to realize that the Automated assembly of rotor, Chinese patent (publication No.: CN103457420A) disclose one kind Servo motor rotor core riveting tooling, including bottom plate, fixed plate and plug, the bottom plate is in the form of annular discs, the upper end connection Cylindrical fixed plate is installed, the plug is centrally disposed in the upper end of bottom plate and is pierced by from dead plate upper end, described The upper surface of fixed plate has circumferentially been evenly arranged several pressure springs, and the upper end of the pressure spring is connected with lower platen, described The upper surface of fixed plate several thimbles are installed, corresponding position is provided with through-hole on the lower platen of the thimble upper end, institute The plug stated is pierced by the upper end among lower platen and is connected with top board.

But above scheme, for the ease of on rotor core merging plug, plug size is less than the center of rotor core Pore size, but have gap between plug and the centre bore of rotor core, it will lead to rotor core upper shaking on plug；Especially When pressing, extruding force may be such that rotor core position changes, so thimble according to predeterminated position to the riveting on iron core When nail is pressed, the range that presses of thimble may have dislocation with rivet tail portion, and riveting power is uneven, so that rivet part quilt It flattens, influences the effect that presses.

Further, it using the rivet on thimble riveting rotor core, needs that rivet location is directed at thimble position in advance, Assembly precision requires height, is unfavorable for improving processing efficiency.

Utility model content

In view of the drawbacks of the prior art, the purpose of this utility model is to provide one kind is placed in convenient for rotor core, simultaneously Rotor core can be carried out effectively fixing, rotor chip will not shift, the uniform rotor riveting press equipment of riveting power.

The another object of the utility model is to provide, processing efficiency low without the assembly precision requirement of proofreading rivet location High rotor riveting press equipment.

To achieve the above object, the technical solution of the utility model are as follows:

A kind of rotor riveting press equipment, upper pressure seat, down pressing seat including bracket and for the rotor that presses are described Upper pressure seat and down pressing seat are assemblied on bracket,

Connection one is used for the fixation kit of positioning motor rotor in the down pressing seat, and the fixation kit includes: in having Cavity

Limit shaft, be arranged in the fixing piece of limit shaft hollow cavity.

The lateral wall of the limit shaft opens up at least one notch, and the notch assembles a movable block.

The fixing piece, which moves down, pushes movable block to be displaced outwardly, with the positioning of the rotor of limit shaft clearance fit On limit shaft.

The fixing piece of the utility model, which moves down, pushes movable block to be displaced outwardly, so that movable block is contradicted in rotor Side wall on, and then the rotor with limit shaft clearance fit is located on limit shaft.Limit shaft and rotor gap Cooperation facilitates being put on limit shaft for rotor core, and the movable block of outer shifting can carry out rotor core effectively to fix, so that turning Sub- chip, that is, rotor will not shift, so that uniform force when rotor riveting, the effect that presses is good.

As a kind of optimization technique measure of fixing piece, the fixing piece upper end is equipped with round estrade, the round estrade upper end Slightly, lower end is thin, and the round estrade of fixing piece moves down, and can be gradually increased the extruding force to movable block, so that movable block protrudes In limit shaft side wall and with the rotor core of rotor it is inconsistent, round table-like structure can adjust the outer shifting of movable block Amount, avoids movable block external shift quantity too many, damages rotor core；Round estrade and movable block gradually increase contact area simultaneously, can It reduces round estrade and movable block is mutually worn.

As a kind of optimization technique measure of movable block, the part of the movable block adjacent hollow chamber is bevel structure, The angle of gradient is acute angle, and when fixing piece moves down, fixing piece is inconsistent with movable block, so that movable block protrudes from limit shaft Side wall is simultaneously inconsistent with the rotor core of rotor, and bevel structure can adjust the external shift quantity of movable block, avoid outside movable block Shifting amount is too many, damages rotor core；Round estrade and movable block gradually increase contact area simultaneously, can reduce round estrade and work Motion block is mutually worn.

As optimization technique measure, the sum of the length of movable block longest part and the most thick section diameter of fixing piece are greater than The wall thickness of limit shaft, it is ensured that movable block can protrude from the side wall of limit shaft, and then can be inconsistent with rotor core.

As optimization technique measure, the movable block lateral wall opens up groove, the limit shaft with groove floor projection The position to coincide opens up the notch of a border, and an extensible member is embedded in the notch and groove, and the extensible member can drive Exposed movable block reset is moved, after fixing piece resets, movable block is automatically reset by extensible member, and structure is simple, practical, is convenient for It manufactures, scheme is practical, and the extensible member can be spring ring or rubber ring, preferably spring ring, and cyclic structure is just In being arranged limit shaft, assembly efficiency is high, and spring ring is metal material, durable.

As optimization technique measure, the upper pressure seat lower end surface and down pressing seat upper surface are respectively equipped with blade part, the knife Blade is arranged along one border of end face.Blade part is arranged on a border of upper and lower end face, compares thimble structure, is changed by point contact For face contact, without proofreading rivet location, assembly precision requirement is low, high in machining efficiency.

As optimization technique measure, the cavity for assembling down pressing seat is opened up among the limit base, down pressing seat is mounted on In limit base inner cavity, so that the utility model is compact-sized, occupy small in size.The cavity lower end wall is opened up for wearing fixation The through-hole of part.

As optimization technique measure, the down pressing seat lower end opens up the accommodating chamber that can partially accommodate elastic component two, described Elastic component two is assemblied between the accommodating chamber and the lower end wall of limit base cavity.When upper pressure seat presses to down pressing seat, elastic component Two make down pressing seat have certain elastic displacement, and then can be to the rotor for being equipped with copper sheet one, rotor core, copper sheet two Pre-pressing is carried out, the three parts of rotor are closely linked, while rotor being avoided to be subject to crushing.

As optimization technique measure, the fixing piece wears an elastic component one, and the elastic component one, which can drive, to be moved down Fixing piece resets；The fixing piece lower end is fixedly connected with the movable end in Locating driver source, after the external force of fixing piece disappears, Gu Determining part can automatically reset, and structure is simple, practical, manufacture easy to produce, and the Locating driver source is cylinder, described to be fixedly connected To be spirally connected or weld or pin joint, preferably it is spirally connected, it is easy to disassemble.

As optimization technique measure, several limiting sections, the limiting section edge are arranged around limit shaft in the limit base upper end Horizontal direction, which opens up, wears slot, and described wear assembles a spring in slot, and the spring connection one is used for the copper sheet to rotor Two limit bodies limited, the limit body is retracted under external force to be worn in slot, under spring force, limit Body stretching positions copper sheet two.When due to rotor assembling, first has to a copper sheet two and be placed on limit shaft, and then handle Rotor core is placed on limit shaft (i.e. two top of copper sheet)；Again on rivet insertion rotor core, copper sheet two；Finally copper sheet One places on limit shaft, i.e., copper sheet one is inserted on rivet and is placed in rotor core.Since the centre bore of copper sheet two is greater than The size of limit shaft, therefore when rotor assembling, it needs to carry out effective position to copper sheet two, avoids copper sheet two mobile, pass through The positioning body limit copper sheet two that can be stretched, structure manufacture easy to produce, scheme are practical.

Compared with prior art, the utility model has the following beneficial effects: the fixing piece of the utility model moves down Push movable block be displaced outwardly so that movable block contradict on the side wall of rotor, and then with limit shaft clearance fit Rotor is located on limit shaft.Limit shaft and rotor clearance fit, facilitate being put on limit shaft for rotor core, outside The movable block of shifting can carry out rotor core effectively to fix, so that rotor chip, that is, rotor will not shift, so that Uniform force when rotor riveting, the effect that presses are good.

The upper pressure seat lower end surface and down pressing seat upper surface of the utility model are respectively equipped with blade part, and the blade part is along end face One border arrangement.Blade part is arranged on a border of upper and lower end face, compares thimble structure, is changed to face contact, nothing by point contact Rivet location need to be proofreaded, assembly precision requirement is low, high in machining efficiency.

Detailed description of the invention

Fig. 1 is the utility model part-structure diagram.

Fig. 2 is cross-sectional view of the structure shown in Fig. 1 along the direction A-A.

Fig. 3 is the configuration diagram that the utility model is placed in rotor.

Fig. 4 is the utility model configuration diagram.

Fig. 5 is the cross-sectional view of structure shown in Fig. 4.

Description of symbols: 1, limit base；2, mounting base；3, fixation kit；4, down pressing seat；5, upper pressure seat；6, upper pressure is driven Dynamic source；7, bracket；8, rotor；11, limiting section；31, limit shaft；32, fixing piece；321, round estrade；33, movable block；34, Extensible member；35, elastic component one；36, the movable end in Locating driver source；41, elastic component two；42, lower blade part；51, upper pressure base Seat；52, upper splenium；53, elastic component three；61, the mobile terminal of upper pressure driving source；81, copper sheet one；82, rivet；83, rotor core； 84, copper sheet two.

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.

On the contrary, the utility model cover it is any be defined by the claims do in the spirit and scope of the utility model Substitution, modification, equivalent method and scheme.Further, right below in order to make the public have a better understanding the utility model It is detailed to describe some specific detail sections in the datail description of the utility model.Do not have for a person skilled in the art The utility model can also be understood completely in the description of these detail sections.

It should be noted that when two elements referred to as " are fixedly connected " or when " affixed ", two elements can directly connect It connects or there may also be elements placed in the middle.On the contrary, there is no centres when element is referred to as " directly existing " another element "upper" Element.Term as used herein "horizontal", "upper", "lower" and similar statement are for illustrative purposes only.

As shown in Figs. 1-5, a kind of rotor riveting press equipment, including bracket 7 and for the upper pressure for the rotor 8 that presses Seat 5, down pressing seat 4, the down pressing seat 4 are assemblied on bracket 7 by mounting base 2, and one is connected in the down pressing seat 4 for positioning The fixation kit 3 of rotor 8, the fixation kit 3 include: limit shaft 31 with hollow cavity, are arranged in limit shaft 31 The fixing piece 32 of cavity.The lateral wall of the limit shaft 31 opens up at least one notch, and the notch assembles a movable block 33.Institute State fixing piece 32 move down push movable block 33 be displaced outwardly, the rotor 8 with 31 clearance fit of limit shaft is located in On limit shaft 31.

The fixing piece 32 of the utility model, which moves down, pushes movable block 33 to be displaced outwardly, so that movable block 33 is contradicted in electricity On the side wall of machine rotor 8, and then the rotor 8 with 31 clearance fit of limit shaft is located on limit shaft 31.Limit shaft 31 With 8 clearance fit of rotor, facilitate being put on limit shaft 31 for rotor core 83, the movable block 33 of outer shifting can be to rotor core Body 83 is effectively fixed, so that rotor chip, that is, rotor 8 will not shift, so that stress when 8 riveting of rotor Uniformly.

The upper pressure seat 5 includes upper pressure pedestal 51, upper splenium 52, elastic component 3 53, upper pressure driving source 6, and the upper pressure is driven Dynamic source 6 is fixed on bracket 7, and the mobile terminal 61 of upper pressure driving source 6 and upper pressure pedestal 51 are affixed, and upper 51 lower end of pressure pedestal is set There is the cavity for fit on splenium 52, the upper splenium 52 is described by elastic component 3 53 and upper 51 elastic connection of pressure pedestal Upper slitter blade is provided with the side end of pressure pedestal 51.

The cavity for assembling down pressing seat 4 is opened up among the limit base 1, down pressing seat 4 is mounted in 1 inner cavity of limit base, So that the utility model is compact-sized, occupy small in size.The cavity lower end wall opens up the through-hole for wearing fixing piece 32.

4 lower end of down pressing seat opens up the accommodating chamber that can partially accommodate elastic component 2 41, and the elastic component two is assemblied in Between the lower end wall of 1 cavity of the accommodating chamber and limit base.When upper pressure seat 5 presses to down pressing seat 4, elastic component 2 41 to push Seat 4 have certain elastic displacement, and then can be equipped with copper sheet 1, rotor core 83, copper sheet 2 84 rotor 8 into Row pre-pressing enables the three parts of rotor 8 to be closely linked, while rotor 8 being avoided to be subject to crushing.

The fixing piece 32 wears an elastic component 1, and the elastic component 1 can drive the fixing piece 32 moved down multiple Position；32 lower end of fixing piece is fixedly connected with the movable end 36 in Locating driver source, fixed after the external force of fixing piece 32 disappears Part 32 can automatically reset, and structure is simple, practical, manufacture easy to produce.

1 upper end of limit base arranges that several limiting sections 11, the limiting section open up in the horizontal direction around limit shaft 31 Slot is worn, described wear assembles a spring in slot, the spring connection one is used to limit the copper sheet 2 84 of rotor 8 Limit body, the limit body is retracted under external force to be worn in slot, under spring force, limit body stretch out to copper Piece 2 84 is positioned.It when being assembled due to rotor 8, first has to a copper sheet 2 84 and is placed on limit shaft 31, and then handle turns Sub- core 83 is placed on limit shaft 31 (i.e. 2 84 top of copper sheet)；Again on the insertion of rivet 82 rotor core 83, copper sheet 2 84； Finally copper sheet 1 is placed on limit shaft 31, i.e., copper sheet 1 is inserted on rivet 82 and is placed in rotor core 83.By It is greater than the size of limit shaft 31 in the centre bore of copper sheet 2 84, therefore when the assembling of rotor 8, needs to have copper sheet 2 84 Effect positioning avoids copper sheet 2 84 mobile, limits copper sheet 2 84, structure manufacture easy to produce, side by the positioning body that can be stretched Case is practical.

A kind of specific embodiment of the utility model fixing piece 32,32 upper end of fixing piece is equipped with round estrade 321, described 321 upper end of round estrade is thick, and lower end is thin, and the round estrade 321 of fixing piece 32 moves down, and can be gradually increased the extruding to movable block 33 Power, so that movable block 33 protrudes from the side wall of limit shaft 31 and inconsistent with the rotor core of rotor 8 83, it is round table-like Structure can adjust the external shift quantity of movable block 33, avoid 33 external shift quantity of movable block too many, damage rotor core 83；Rotary table simultaneously Body 321 and movable block 33 gradually increase contact area, can reduce round estrade 321 and movable block 33 is mutually worn.

A kind of specific embodiment of the utility model movable block 33, the part of the 33 adjacent hollow chamber of movable block are inclined-plane Structure, the angle of gradient are acute angle, and when fixing piece 32 moves down, fixing piece 32 and movable block 33 are inconsistent, so that movable block 33 protrude from the side wall of limit shaft 31 and inconsistent with the rotor core of rotor 8 83, and bevel structure can adjust movable block 33 external shift quantity avoids 33 external shift quantity of movable block too many, damages rotor core 83；While round estrade 321 and movable block 33 are gradually Increase contact area, round estrade 321 can be reduced and movable block 33 is mutually worn.

The sum of the length of the 33 longest part of movable block and the most thick section diameter of fixing piece 32 are greater than the wall of limit shaft 31 It is thick, it is ensured that movable block 33 can protrude from the side wall of limit shaft 31, and then can be inconsistent with rotor core 83.The movable block 33 lateral walls open up groove, and the limit shaft 31 opens up the notch of a border, institute in the position to coincide with groove floor projection It states and is embedded an extensible member 34 in notch and groove, the extensible member 34 can drive exposed movable block 33 to reset, work as fixation After part 32 resets, movable block 33 is automatically reset by extensible member 34, and structure is simple, practical, and manufacture easy to produce, scheme conscientiously may be used Row.

5 lower end surface of upper pressure seat and 4 upper surface of down pressing seat are respectively equipped with blade part, and the knife edge part is upper knife edge Portion, lower blade part 42.The blade part is arranged along one border of end face.Blade part is arranged on a border of upper and lower end face, compares Thimble structure, without proofreading 82 position of rivet, assembly precision requirement is low, high in machining efficiency.

The upper pressure driving source 6 is cylinder, and the fixed connection mode, which can be, to be spirally connected or joggle or rivet or weld, can basis Actual conditions are selected.The elastic component 1, elastic component 2 41, elastic component 3 53 can choose spring, the specification of spring It can be selected according to actual needs.

The utility model embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to Embodiment is stated, to those skilled in the art, can also be made under the premise of not departing from the utility model several Variations and modifications, these also should be regarded as belonging to the protection scope of the utility model.

Claims (10)

1. a kind of rotor riveting press equipment, upper pressure seat (5), pushing including bracket (7) and for the rotor that presses (8) Seat (4), the upper pressure seat (5) and down pressing seat (4) are assemblied on bracket (7), which is characterized in that are connected on the down pressing seat (4) One is used for the fixation kit (3) of positioning motor rotor (8), and the fixation kit (3) includes: the limit shaft with hollow cavity (31), it is arranged in the fixing piece (32) of limit shaft (31) hollow cavity；The lateral wall of the limit shaft (31) opens up at least one and lacks Mouthful, the notch assembles a movable block (33)；The fixing piece (32) move down push movable block (33) be displaced outwardly, with The rotor (8) of limit shaft (31) clearance fit is located on limit shaft (31).

2. a kind of rotor riveting press equipment according to claim 1, which is characterized in that fixing piece (32) upper end is set Have round estrade (321), round estrade (321) upper end is thick, and lower end is thin.

3. a kind of rotor riveting press equipment according to claim 1, which is characterized in that during the movable block (33) is adjacent The part of cavity is bevel structure, and the angle of gradient is acute angle.

4. a kind of rotor riveting press equipment according to claim 3, which is characterized in that movable block (33) the level side It is greater than the wall thickness of limit shaft (31) to the sum of the length of longest part and fixing piece (32) most thick section diameter.

5. a kind of rotor riveting press equipment according to claim 4, which is characterized in that movable block (33) lateral wall Groove is opened up, the limit shaft (31) opens up the notch of a border, the notch in the position to coincide with groove floor projection And an extensible member (34) are embedded in groove, the extensible member (34) can drive exposed movable block (33) to reset.

6. a kind of rotor riveting press equipment according to claim 1-5, which is characterized in that the upper pressure seat (5) lower end surface and down pressing seat (4) upper surface are respectively equipped with blade part, and the blade part is arranged along one border of end face.

7. a kind of rotor riveting press equipment according to claim 6, which is characterized in that opened up among limit base (1) For assembling the cavity of down pressing seat (4), the cavity lower end wall opens up the through-hole for wearing fixing piece (32).

8. a kind of rotor riveting press equipment according to claim 7, which is characterized in that open down pressing seat (4) lower end If the accommodating chamber of elastic component two (41) can be accommodated partially, the elastic component two is assemblied in the accommodating chamber and limit base (1) chamber Between the lower end wall of body.

9. a kind of rotor riveting press equipment according to claim 8, which is characterized in that the fixing piece (32) wears one Elastic component one (35), the elastic component one (35) can drive the fixing piece (32) moved down to reset；Fixing piece (32) lower end It is fixedly connected with the movable end (36) in Locating driver source.

10. a kind of rotor riveting press equipment as claimed in claim 9, which is characterized in that limit base (1) upper end around Limit shaft (31) arranges several limiting sections (11), and the limiting section opens up in the horizontal direction wears slot, described to wear assembly in slot One spring, the limit body that the spring connection one is used to limit the copper sheet two (84) of rotor (8), the limit body It is retracted into and is worn in slot under external force, under spring force, limit body stretching positions copper sheet two (84).