CN215419983U - Internal expanding and external pressing mechanism for motor stator shaping machine - Google Patents

Abstract

The utility model relates to an internal expanding and external pressing mechanism for a motor stator shaping machine, which comprises: the external pressure mechanism is used for carrying out internal pressure shaping on the excircle of the iron core winding of the stator; an internal expanding mechanism which is coaxially arranged is arranged in the external pressing mechanism and is used for shaping the inner circle of the iron core winding of the stator, and the external pressing mechanism comprises an external shaping mechanism which can move transversely; the outer shaping mechanism comprises a rotatable turntable provided with a through hole, the turntable is provided with a plurality of guide grooves, and slidable guide shafts are arranged in the guide grooves; each guide shaft is arranged in the sliding block; the sliding block is clamped in the rotary table through a clamping groove, and the clamping groove divides the sliding block into a left sliding block and a right sliding block which are arranged on two sides of the rotary table; a left positioning disc and a right positioning disc are respectively arranged on two sides of the rotary disc, and limiting grooves are respectively arranged in the right positioning disc and the left positioning disc; the bottom of the left sliding block is provided with the protective teeth, the shaping device can automatically finish shaping the inner circle and the outer circle of one end of the iron core winding of the stator, the processing efficiency is high, and the labor intensity of workers is low.

Description

Internal expanding and external pressing mechanism for motor stator shaping machine

Technical Field

The utility model belongs to the technical field of automation equipment, and particularly relates to an internal expanding and external pressing mechanism for a motor stator shaping machine.

Background

The stator of the motor is composed of a stator core and a winding, wherein one part of the winding is wrapped by insulating paper and embedded into a wire embedding groove of the stator core to form an inner hole winding of the stator, and the other part of the winding is positioned outside the stator core to form an outer hole winding (end winding) of the stator. The winding vertically inlays on the stator core through manual work or rule machine usually, according to the motor assembly demand, the interior circle of stator module end winding, excircle and tip height size all need be in the design range, otherwise probably take place to interfere during the assembly, consequently, need carry out the plastic to the winding behind the rule.

The mode that at present mostly adopts is that the equipment that manual work cooperation corresponds carries out gradual plastic processing, but such orientation not only the plastic is inefficient to the plastic effect is also poor, can't satisfy the plastic requirement to the stator in the production and processing actually, so designed a trimmer that can carry out the plastic to the iron core winding of stator specially, but still lack an interior external pressure mechanism that expands that can carry out interior circle and excircle plastic to the iron core winding one end of stator at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an internal-external-expansion pressure mechanism for a motor stator shaping machine, which can internally press and shape the inner circle part of an iron core winding of a stator and can externally expand and shape the outer circle part of the iron core winding.

In order to achieve the purpose, the utility model adopts the technical scheme that: an internal expanding and external pressing mechanism for a motor stator shaping machine comprises:

the external pressure mechanism is used for carrying out internal pressure shaping on the excircle of the iron core winding of the stator;

an internal expanding mechanism which is coaxially arranged is arranged in the external pressure mechanism and is used for shaping the inner circle of the iron core winding of the stator;

the external pressure mechanism comprises an external shaping mechanism which can move transversely through a propulsion cylinder; the outer shaping mechanism comprises a rotary table driven to rotate by a hydraulic cylinder, and a through hole is formed in the rotary table; the turntable is provided with a plurality of guide grooves distributed in an array manner, and a slidable guide shaft is arranged in each guide groove; each guide shaft is arranged in the sliding block; the sliding block is clamped in the rotary table through a clamping groove, and the clamping groove divides the sliding block into a left sliding block and a right sliding block which are arranged on the left side and the right side of the rotary table; a left positioning disc and a right positioning disc are respectively arranged on two sides of the rotary disc, and limiting grooves for limiting the rotation of the right sliding block and the left sliding block are respectively arranged in the right positioning disc and the left positioning disc; the bottom of the left sliding block is provided with a protective tooth;

when the carousel rotated via hydraulic cylinder, the guiding axle drove the sliding block and removes in the guide way to make the inside indentation/the expansion of fender tooth to the carousel.

Further, the internal expanding mechanism is arranged in the through hole; the internal expanding mechanism comprises an internal expanding cylinder; a piston rod of the inner expanding cylinder is provided with a taper pipe with a conical front end; the front end of the taper pipe is arranged in the positioning cylinder, and two ends of the positioning cylinder are provided with connecting plates; a plurality of moving grooves are arranged on the circumferential surface of the positioning cylinder; a plurality of arc-shaped first moving blocks and second moving blocks which are arranged at intervals are arranged in the moving groove;

the first moving block comprises a driving block and a first inner expanding block which are connected in a T shape, and two ends of the first inner expanding block are in a conical shape; the second moving block comprises a driving block and a second inner expanding block which are connected in a T shape, and sliding surfaces matched with the two conical ends of the first inner expanding block are arranged at the bottoms of the two ends of the second inner expanding block; the driving block is arranged in the positioning cylinder;

when the inner expanding cylinder pushes the taper pipe to move forwards, the taper pipe pushes the driving block to move upwards from the moving groove, at the moment, the first inner expanding block directly moves upwards, conical surfaces at two ends of the second inner expanding block upwards slide along the sliding surface, and when the conical surfaces slide to a certain position, a shaping round block for an iron core inner expanding winding of the inner expanding stator is formed between the first inner expanding block and the second inner expanding block; and a positioning arc block is further arranged on a connecting plate on one side of the positioning cylinder relative to the left external pressure mechanism.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the internal expanding and external pressing mechanism for the motor stator shaping machine can automatically shape the inner circle and the outer circle of one end of the iron core winding of the stator, has high processing efficiency, reduces the labor intensity of workers, and has higher practicability.

Drawings

The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention

FIG. 3 is a schematic structural view of the connection of the right external pressure mechanism and the internal expansion mechanism without the hydraulic cylinder;

FIG. 4 is a perspective exploded view of the right external pressure mechanism with the tooth guard omitted;

FIG. 5 is a schematic structural view of the right external pressing mechanism with the left positioning plate omitted;

FIG. 6 is a schematic perspective view of the rear internal expanding mechanism with the internal expanding cylinder omitted;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

FIG. 8 is a schematic view of the connection between the positioning cylinder and the connecting plate;

fig. 9 is a schematic structural view of a plurality of first moving blocks and second moving blocks connected together;

FIG. 10 is a schematic structural view of a cone;

wherein: the external pressure mechanism 3, the internal expanding mechanism 6, the motor stator 7, the hydraulic cylinder 21, the rotary table 22, the guide groove 23, the guide shaft 24, the sliding block 25, the left positioning disc 26, the right positioning disc 27, the left sliding block 250, the right sliding block 251, the limiting groove 252, the protective teeth 253, the mounting plate 40, the transverse moving cylinder 41, the bearing plate 42, the sliding rod 43, the guide column 44, the taper pipe 61, the positioning cylinder 62, the connecting plate 63, the driving block 64, the first internal expanding block 65, the second internal expanding block 66, the positioning arc plate 67 and the moving groove 68.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

Referring to fig. 1-10, the internal-expansion external-pressure mechanism for a motor stator shaper of the present invention mainly includes an external-pressure mechanism 3 for performing internal-pressure shaping on an outer circle of an iron core winding of a stator; an internal expanding mechanism 6 which is coaxially arranged is arranged in the external pressing mechanism 3 and is used for shaping the inner circle of the iron core winding of the stator.

As a further preferred embodiment, the external pressure mechanism 3 comprises an external shaping mechanism which can move transversely through a propulsion cylinder (not shown in the figure), the external shaping mechanism comprises a rotary table 22 which is driven to rotate through a hydraulic cylinder 21, a through hole is arranged in the rotary table 22, and an internal expanding mechanism 6 is arranged in the through hole; the turntable 22 is provided with a plurality of guide grooves 23, the guide grooves 23 are arc-shaped, the guide grooves 23 are distributed in a circular array relative to the center of the turntable 22, and guide shafts 24 capable of sliding along the guide grooves are arranged in the guide grooves 23; each guide shaft 24 is correspondingly arranged in a sliding block 25; the sliding block 25 is clamped in the rotary disc 22 through a clamping groove, the clamping groove divides the sliding block 25 into a left sliding block 250 and a right sliding block 251 which are arranged on the left side and the right side of the rotary disc 22, a left positioning disc 26 and a right positioning disc 27 are respectively arranged on the two sides of the rotary disc 22, and limiting grooves 252 for limiting the rotation of the right sliding block 251 and the left sliding block 250 are respectively arranged in the right positioning disc 27 and the left positioning disc 26; the bottom of the left sliding block 250 is provided with a protective tooth 253; during actual operation, when needing to carry out interior pressure plastic to the one end excircle of the iron core winding of stator, fix the stator earlier, then utilize hydraulic cylinder 21 drive carousel 22 to rotate, when carousel 22 rotated, guiding shaft 24 in the carousel 22 drove sliding block 25 and removes in guide way 24, a plurality of protecting teeth 253 that are located the sliding block 25 bottom just retract to the inboard of carousel 22 like this, protect the tooth 253 and insert and carry out interior pressure plastic to it in the iron core winding excircle of stator, and because the existence of protecting tooth 253, can not cause the damage to the insulating paper in the iron core.

As a further preferred embodiment, the internal expanding mechanism 6 is arranged in the through hole; the internal expanding mechanism 6 comprises an internal expanding cylinder (not shown in the figure); a piston rod of the inner expanding cylinder is provided with a conical pipe 61 with a conical front end; the front end of the taper pipe 61 is arranged in a positioning cylinder 62, and two ends of the positioning cylinder 62 are provided with connecting plates 63; a plurality of moving grooves 68 are formed on the circumferential surface of the positioning cylinder 62; a plurality of first moving blocks and second moving blocks which are arranged at intervals and are in a circular arc shape are arranged in the moving groove 68.

The first moving block comprises a driving block 64 and a first inner expanding block 65 which are connected in a T shape, and two ends of the first inner expanding block 65 are in a conical shape; the second moving block comprises a driving block 64 and a second inner expanding block 66 which are connected in a T shape, and sliding surfaces matched with two conical ends of the first inner expanding block 65 are arranged at the bottoms of the two ends of the second inner expanding block 66; the driving block 64 is arranged in the positioning cylinder 62; and a positioning arc block 67 is also arranged on the connecting plate 63 at one side of the positioning cylinder 62 relative to the left external pressure mechanism.

When the internal expanding cylinder pushes the conical tube 61 to move forwards, the front end of the conical tube 61 is conical, so that the conical tube 61 pushes the driving blocks 64 to move upwards from the moving groove, at the moment, the first internal expanding block 65 directly moves upwards, conical surfaces at two ends of the second internal expanding block 66 slide upwards along the sliding surface, when the conical tube slides to a certain position, a shaping circular block for an inner circle of an iron core winding of the internal expanding stator is formed between the first internal expanding block 65 and the second internal expanding block 66, then the inner circle of the iron core winding of the stator is internally expanded by the shaping circular block, and meanwhile, the positioning circular block 67 is used for positioning the inner circle of the iron core winding of the stator during installation.

In practical use, two internal-expansion external-pressure mechanisms for the motor stator shaping machine are needed, and the two internal-expansion external-pressure mechanisms are matched with each other to shape and process the iron core windings at two ends of the fixed stator.

The internal expanding and external pressing mechanism for the motor stator shaping machine can automatically shape the inner circle and the outer circle of one end of the iron core winding of the stator, has high processing efficiency, reduces the labor intensity of workers, and has higher practicability.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (2)

1. The utility model provides an expand external pressure mechanism in motor stator trimmer which characterized in that includes:

the external pressure mechanism is used for carrying out internal pressure shaping on the excircle of the iron core winding of the stator;

an internal expanding mechanism which is coaxially arranged is arranged in the external pressure mechanism and is used for shaping the inner circle of the iron core winding of the stator;

wherein the external pressure mechanism comprises an external shaping mechanism which can move transversely by a propulsion cylinder; the outer shaping mechanism comprises a rotary table driven to rotate by a hydraulic cylinder, and a through hole is formed in the rotary table; the turntable is provided with a plurality of guide grooves distributed in an array manner, and a slidable guide shaft is arranged in each guide groove; each guide shaft is arranged in the sliding block; the sliding block is clamped in the rotary table through a clamping groove, and the clamping groove divides the sliding block into a left sliding block and a right sliding block which are arranged on the left side and the right side of the rotary table; a left positioning disc and a right positioning disc are respectively arranged on two sides of the rotary disc, and limiting grooves for limiting the rotation of the right sliding block and the left sliding block are respectively arranged in the right positioning disc and the left positioning disc; the bottom of the left sliding block is provided with a protective tooth;

when the carousel rotated via hydraulic cylinder, the guiding axle drove the sliding block and removes in the guide way to make the inside indentation/the expansion of fender tooth to the carousel.

2. The internal-external-pressure-expanding mechanism for the motor stator shaping machine as claimed in claim 1, wherein: the internal expanding mechanism is arranged in the through hole; the internal expanding mechanism comprises an internal expanding cylinder; a piston rod of the inner expanding cylinder is provided with a taper pipe with a conical front end; the front end of the taper pipe is arranged in the positioning cylinder, and two ends of the positioning cylinder are provided with connecting plates; a plurality of moving grooves are arranged on the circumferential surface of the positioning cylinder; a plurality of arc-shaped first moving blocks and second moving blocks which are arranged at intervals are arranged in the moving groove;

the first moving block comprises a driving block and a first inner expanding block which are connected in a T shape, and two ends of the first inner expanding block are in a conical shape; the second moving block comprises a driving block and a second inner expanding block which are connected in a T shape, and sliding surfaces matched with the two conical ends of the first inner expanding block are arranged at the bottoms of the two ends of the second inner expanding block; the driving block is arranged in the positioning cylinder;

when the inner expanding cylinder pushes the taper pipe to move forwards, the taper pipe pushes the driving block to move upwards from the moving groove, at the moment, the first inner expanding block directly moves upwards, conical surfaces at two ends of the second inner expanding block upwards slide along the sliding surface, and when the conical surfaces slide to a certain position, a shaping round block for an iron core inner expanding winding of the inner expanding stator is formed between the first inner expanding block and the second inner expanding block; and a positioning arc block is further arranged on a connecting plate on one side of the positioning cylinder relative to the left external pressure mechanism.

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