CN215378704U

CN215378704U - Round wire stator lead-out wire straightening mechanism

Info

Publication number: CN215378704U
Application number: CN202121025837.3U
Authority: CN
Inventors: 黄浩欢; 周林; 高小兵; 赵耀
Original assignee: Chengdu Huachuan Electric Parts Co Ltd
Current assignee: Chengdu Huachuan Electric Parts Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-31
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a round wire stator lead-out wire straightening mechanism capable of improving straightening efficiency of a stator lead-out wire, and relates to the technical field of motor production equipment. The utility model provides a round wire stator lead-out wire alignment mechanism, includes the mounting disc and installs alignment unit on the mounting disc, alignment unit includes X to alignment mechanism, Y to alignment mechanism, first linear drive device and second linear drive device. The X-direction straightening mechanism comprises an inner forming block and an outer forming block which are arranged in a sliding mode along the radial direction of the mounting disc respectively, and the inner forming block and the outer forming block are arranged oppositely and can slide oppositely; the Y-direction straightening mechanism comprises a plurality of Y-direction straightening units arranged on the binding surface at intervals. The mechanism is simple in structure, and labor cost for producing the stator can be reduced.

Description

Round wire stator lead-out wire straightening mechanism

Technical Field

The utility model relates to the technical field of motor production equipment, in particular to a straightening mechanism for a circular wire stator outgoing line.

Background

The outgoing line of the round wire stator is a connecting line of the stator coil and an external connecting terminal, and the situation that the outgoing line is bent inevitably exists in the winding process of the stator. In order to facilitate the bending of the outgoing line by subsequent bending equipment, the outgoing line needs to be straightened and positioned before bending.

The structure of the round wire stator determines that the outgoing line of the stator cannot be straightened by adopting the existing rolling mode, and because the wire diameter of the outgoing line is usually smaller and the conventional extrusion straightening mode is also difficult, the straightening of the outgoing line stator is manually straightened. The problems of low efficiency and poor quality consistency existing in manual work

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a round wire stator lead-out wire straightening mechanism capable of improving the straightening efficiency and quality consistency of a stator lead-out wire.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a round wire stator outgoing line straightening mechanism comprises a mounting disc and a straightening unit arranged on the mounting disc, wherein the straightening unit comprises an X-direction straightening mechanism, a Y-direction straightening mechanism, a first straight line driving device and a second straight line driving device;

the X-direction straightening mechanism comprises an inner forming block and an outer forming block which are arranged on the mounting disc in a sliding mode along the radial direction of the mounting disc respectively, the inner forming block and the outer forming block are arranged oppositely and can slide oppositely, the opposite end faces of the inner forming block and the outer forming block are reference faces used for straightening outgoing lines, the reference faces are straight faces, and the opposite end faces of the outer forming block and the inner forming block are binding faces capable of being attached to the reference faces;

the Y-direction straightening mechanism comprises a plurality of Y-direction straightening units arranged at intervals along the axial direction of the mounting disc, each Y-direction straightening unit comprises a left extrusion block and a right extrusion block, one end of each left extrusion block is fixedly connected to the binding surface, one end of each right extrusion block is also fixedly connected to the binding surface, a distance is formed between each left extrusion block and the corresponding right extrusion block to form an extrusion channel, the opening degree of each extrusion channel is gradually reduced along the direction close to the binding surface, all the extrusion channels are arranged along the same straight line, and first grooves which are in one-to-one correspondence with the Y-direction straightening units and are matched with the Y-direction straightening units are arranged on the reference surface;

the first linear driving device is installed on the installation disc and connected with the inner forming block so as to drive the inner forming block to slide relative to the installation disc, and the second linear driving device is installed on the installation disc and connected with the outer forming block so as to drive the outer forming block to slide relative to the installation disc.

Further, all the pressing passages are arranged along the same straight line parallel to the axial direction of the mounting disk.

Further, the number of the straightening units is 6.

Furthermore, the Y-direction straightening mechanism further comprises a V-shaped block which is arranged at the front end of the outer forming block and used for pressing the root of the outgoing line in advance, the opening of a V-shaped groove of the V-shaped block faces the reference surface, the V-shaped block is connected with the outer forming block in a sliding mode and can slide in the direction far away from the reference surface, a material pressing spring is arranged between the outer forming block and the V-shaped block, and a second groove matched with the V-shaped block is formed in the reference surface.

The stator straightening unit is characterized by further comprising a stator positioning cylinder for positioning a stator, the stator positioning cylinder is connected with the mounting disc and is positioned above the straightening unit, the axial direction of the stator positioning cylinder is the same as that of the mounting disc, and an axial positioning boss and a circumferential positioning boss are arranged on the inner wall of the stator positioning cylinder.

Furthermore, a sliding block capable of sliding along the axial direction of the mounting disc is arranged on the mounting disc, the first linear driving device is connected with the sliding block to drive the sliding block to slide, a connecting rod for driving the inner forming block to slide is arranged between the sliding block and the inner forming block, one end of the connecting rod is matched with the sliding block, and the other end of the connecting rod is matched with the inner forming block.

Further, the first linear driving device and the second linear driving device are both air cylinders.

The utility model has the beneficial effects that: the Y that a plurality of intervals set up is arranged to this mechanism on the binding face of outer shaping piece to the alignment unit, extrudees the lead-out wire simultaneously from four directions through the gliding in-process of outer shaping piece inside shaping, can once with the lead-out wire alignment, and this mechanism simple structure compares the manual work and arranges straightly, and efficiency is higher, and quality stability is also better, can reduce the human cost of production stator.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the inner mold block of the present invention;

FIG. 4 is a schematic structural view of an outer forming block of the present invention;

FIG. 5 is a schematic structural view of a stator positioning barrel of the present invention;

FIG. 6 is a schematic perspective view of the present invention;

FIG. 7 is an enlarged schematic view at A of FIG. 6;

FIG. 8 is a schematic view of alignment pins of the inner and outer mold blocks;

shown in the figure: the stator pressing device comprises a mounting plate 1, a stator positioning barrel 2, a first linear driving device 3, a second linear driving device 4, an outer forming block 5, an inner forming block 6, a sliding block 7, a connecting rod 8, a stator 9, outgoing lines 10, a binding surface 51, a Y-direction straightening unit 52, a V-shaped block 53, a pressing spring 54, a guide pillar 55, a right extrusion block 56, an extrusion channel 57, a left extrusion block 58, a reference surface 61, a first groove 62, a second groove 63, a clamping groove 64 and a guide groove 71.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 8, the straightening mechanism for the outgoing line of the circular-wire stator of the present invention includes a mounting plate 1 and a straightening unit disposed on the mounting plate 1, where the straightening unit includes an X-direction straightening mechanism, a Y-direction straightening mechanism, a first linear driving device 3, and a second linear driving device 4. The X-direction straightening mechanism is used for straightening the outgoing line from the X direction of the outgoing line, the X direction is one radial direction of the outgoing line, the Y-direction straightening mechanism is used for straightening the outgoing line from the Y direction of the outgoing line, and the Y direction is the other radial direction of the outgoing line perpendicular to the X direction. The X is to alignment mechanism including following respectively 1 radial direction of mounting disc slides and sets up interior shaping piece 6 and outer shaping piece 5 on the mounting disc 1, and interior shaping piece 6, outer shaping piece 5 are respectively through slide rail slidable mounting on mounting disc 1, interior shaping piece 6 sets up and can slide in opposite directions with outer shaping piece 5 relatively, interior shaping piece 6 with the 5 relative terminal surface of outer shaping piece is the reference surface 61 that is used for the alignment lead-out wire, reference surface 61 is the straight face, outer shaping piece 5 with the 6 relative terminal surface of interior shaping piece be can with the binding face 51 of reference surface 61 laminating, promptly: the abutment surface 51 is parallel to the reference surface 61. The Y-direction straightening mechanism comprises a plurality of Y-direction straightening units 52 arranged at intervals along the axial direction of the mounting disc 1, each Y-direction straightening unit 52 comprises a left extrusion block 58 and a right extrusion block 56, one end of each left extrusion block 58 is fixedly connected to the corresponding surface 51, one end of each right extrusion block 56 is also fixedly connected to the corresponding surface 51, a distance is formed between each left extrusion block 58 and the corresponding right extrusion block 56 to form an extrusion channel 57, the opening degree of each extrusion channel 57 is gradually reduced along the direction close to the corresponding surface 51, all the extrusion channels 57 are arranged along the same straight line, and first grooves 62 which are in one-to-one correspondence with and are matched with the Y-direction straightening units are arranged on the reference surface 61; the first linear driving device 3 is installed on the installation disc 1 and connected with the inner forming block 6 to drive the inner forming block 6 to slide relative to the installation disc 1, and the second linear driving device 4 is installed on the installation disc 1 and connected with the outer forming block 5 to drive the outer forming block 5 to slide relative to the installation disc 1.

The number of the straightening units can be 1 or more, and the straightening units can be set according to the specific number of the outgoing lines of the stator. All the pressing channels 57 are arranged along the same straight line, which may be any direction, so as to facilitate the stator clamping, especially when the aligning unit is a plurality of, all the pressing channels 57 should be arranged along the same straight line parallel to the axial direction of the mounting disk 1, so that the stator can be loaded from the axial direction of the mounting disk. Since the outgoing lines of the cylindrical stator are generally 6, in order to align all the outgoing lines of the stator at a time, it is preferable that the number of the aligning units is 6.

One end of the left extrusion block 58 is fixedly connected to the attaching surface 51, and one end of the right extrusion block 56 is also fixedly connected to the attaching surface 51, and the fixedly connection can be welding, bolt connection or an integral structure.

When this mechanism is used, the stator is fixed by a jig, and the lead wire of the stator is inserted between the reference surface 61 and the bonding surface 51 in the axial direction of the mounting plate 1. The first linear driving device 3 drives the inner forming block 6 to slide to a proper position (determined by the position of the lead wire on the stator), the second linear driving device 4 drives the outer forming block 5 to slide towards the inner forming block 6, the lead wire 10 of the stator gradually enters the extrusion channel 57 in the process that the outer forming block 5 slides towards the inner forming block 6, the lead wire 10 is gradually attached to the attaching surface 51 along with the continuous sliding of the inner forming block 6, the straightness of the lead wire X direction can be adjusted through the extrusion of the attaching surface 51 and the reference surface 61, and when the distance between the attaching surface 51 and the reference surface 61 is approximately equal to the diameter of the lead wire, the second linear driving device 4 stops driving. In the Y direction, the outgoing line moves along the extrusion channel 57 in the process that the outer forming block 5 slides towards the inner forming block 6, because the opening degree of the extrusion channel 57 is gradually reduced along the direction close to the attaching surface 51, the two sides of the outgoing line are extruded by the left extrusion block 58 and the right extrusion block 56, and the straightness of the outgoing line in the Y direction can be adjusted through a plurality of extrusion channels 57 (Y-direction aligning units) arranged at intervals along the same straight line. It can be understood that the higher the requirement on the straightness of the outgoing line, the more the number of the Y-direction straightening units arranged in the same length is. A plurality of Y of this mechanism are arranged to the alignment unit on the binding face of outer shaping piece, extrude the lead-out wire simultaneously from four directions through the gliding in-process of outer shaping piece inside shaping, can once with the lead-out wire alignment, this mechanism compares the manual work and arranges directly, and efficiency is higher, and the stability of quality is also better. It is understood that the sliding stroke of the inner forming block 6 can be limited by the self-stroke of the first linear driving device 3, and the sliding stroke of the outer forming block 5 can be limited by the self-stroke of the second linear driving device 4; when the sliding travel of the inner forming block 6 is not limited by the travel of the first linear drive 3 itself, a corresponding stop block can be provided on the mounting plate 1, as can the outer forming block 5.

In order to prevent the pull ring stator coil from being possibly arranged in the straightening process, the Y-direction straightening mechanism further comprises a V-shaped block 53 which is arranged at the front end of the outer forming block 5 (the direction of the outer forming block 5 towards the inner forming block 6 is the front direction) and is used for pressing the root of the lead-out wire in advance, the opening of a V-shaped groove of the V-shaped block 53 faces to a reference plane 61, the V-shaped block 53 is connected with the outer forming block 5 in a sliding mode and can slide in the direction far away from the reference plane 61, a pressing spring 54 is arranged between the outer forming block 5 and the V-shaped block 53, and a second groove 63 matched with the V-shaped block 53 is arranged on the reference plane 61. During the alignment, the in-process that outside shaping piece 5 slided (slided forward) to inside shaping piece 6, V type piece 53 stretched into second recess 63 earlier, and V type groove bottom wall and the reference surface 61 cooperation of V type piece 53 are pushed down the root (with coil linking department) of lead-out wire 10, and along with the continuation slip of outside shaping piece 5, V type piece 53 compression swager spring 54 slides backward, and the binding face draws close gradually with the reference surface to straighten the lead-out wire, so can avoid pulling the coil bad. The V-shaped blocks 53 can be one or more, and a plurality of V-shaped blocks are more effective in compaction. When the V-shaped blocks 53 are multiple, the V-shaped blocks 53 should be arranged at intervals, and the corresponding second grooves 63 should also be arranged at intervals, two in the figure.

In order to facilitate stator positioning, the mounting disc 1 of the utility model is provided with a stator positioning cylinder 2 for positioning a stator, the stator positioning cylinder 2 is fixedly connected with the mounting disc 1 and is positioned above the straightening unit, the axial direction of the stator positioning cylinder 2 is the same as the axial direction of the mounting disc 1, and the inner wall of the stator positioning cylinder 2 is provided with an axial positioning boss 31 and a circumferential positioning boss 22. The stator is positioned by the stator positioning barrel, clamping is not needed, and positioning is convenient. The stator positioning barrel 2 is positioned above the straightening unit, so that the stator 9 is convenient to mount and dismount. During the alignment, from alignment unit top with the stator insert in stator location section of thick bamboo 2 can, axial positioning boss 31 and the iron core of stator terminal surface cooperation down prevent stator 9 axial displacement, circumference location boss 22 and the iron core surface's of stator recess cooperation, prevent that the stator from rotating.

When the number of the straightening units is multiple, the straightening units are circumferentially distributed around the stator when the stator leads out, so that the directions of all the straightening units are different (the straightening units are distributed in different radial directions of the mounting disc). If the first linear driving device 3 of each straightening unit is directly connected with the inner forming block 6 for driving, a plurality of first linear driving devices 3 are needed (one first linear driving device 3 is needed for one straightening unit). In order to reduce the number of the first linear driving devices 3, a sliding block 7 capable of sliding along the axial direction of the mounting disc 1 is arranged on the mounting disc 1, the first linear driving devices 3 are connected with the sliding block 7 so as to drive the sliding block 7 to slide along the axial direction of the mounting disc, a connecting rod 8 for driving the inner forming block 6 to slide is arranged between the sliding block 7 and the inner forming block 6, one end of the connecting rod 8 is matched with the sliding block 7, and the other end of the connecting rod 8 is matched with the inner forming block 6. Specifically, when 8 position straight poles of connecting rod, the one end of connecting rod 8 can articulate the cooperation with slider 7, the other end articulates the cooperation with interior forming block 6, in the figure, connecting rod 8 is the L type, connecting rod 8 articulates and sets up between slip 7 and interior forming block 6, the one end of connecting rod 8 and the guide slot 71 cooperation on the slider 7, this tip of connecting rod 8 can slide and rotate along guide slot 71, the other end card of connecting rod 8 and the cooperation of draw-in groove 64 of interior forming block 6, the other end tip of connecting rod 8 also can slide and rotate along draw-in groove 64, like this when slider 7 slides, slider 7 can promote connecting rod 8 and rotate, thereby stir interior forming block 6 and slide. This arrangement converts movement in the axial direction of the mounting disc into movement in a different radial direction of the mounting disc, so that a plurality of straightening units can share one first linear drive 3.

Claims

1. The utility model provides a round wire stator lead-out wire aligning gear which characterized in that: the device comprises an installation disc (1) and a straightening unit arranged on the installation disc (1), wherein the straightening unit comprises an X-direction straightening mechanism, a Y-direction straightening mechanism, a first linear driving device (3) and a second linear driving device (4);

the X-direction straightening mechanism comprises an inner forming block (6) and an outer forming block (5) which are arranged on the mounting disc (1) in a sliding mode along the radial direction of the mounting disc (1), the inner forming block (6) and the outer forming block (5) are arranged oppositely and can slide oppositely, the opposite end faces of the inner forming block (6) and the outer forming block (5) are reference faces (61) used for straightening outgoing lines, the reference faces (61) are straight faces, and the opposite end faces of the outer forming block (5) and the inner forming block (6) are binding faces (51) capable of being bound with the reference faces (61);

the Y-direction straightening mechanism comprises a plurality of Y-direction straightening units (52) which are arranged along the axial direction of the mounting disc (1) at intervals, the Y-direction straightening units (52) comprise a left extrusion block (58) and a right extrusion block (56), one end of the left extrusion block (58) is fixedly connected to the binding surface (51), one end of the right extrusion block (56) is also fixedly connected to the binding surface (51), a distance is arranged between the left extrusion block (58) and the right extrusion block (56) to form an extrusion channel (57), the opening degree of the extrusion channel (57) is gradually reduced along the direction close to the binding surface (51), all the extrusion channels (57) are arranged along the same straight line, and first grooves (62) which correspond to the Y-direction straightening units one to one and are matched with the Y-direction straightening units are arranged on the reference surface (61);

the first linear driving device (3) is installed on the installation disc (1) and connected with the inner forming block (6) to drive the inner forming block (6) to slide relative to the installation disc (1), and the second linear driving device (4) is installed on the installation disc (1) and connected with the outer forming block (5) to drive the outer forming block (5) to slide relative to the installation disc (1).

2. The round wire stator lead-out wire straightening mechanism as claimed in claim 1, wherein: all the pressing channels (57) are arranged along the same straight line parallel to the axial direction of the mounting disc (1).

3. The round wire stator lead-out wire straightening mechanism as claimed in claim 2, wherein: the number of the straightening units is 6.

4. The round wire stator lead-out wire straightening mechanism as claimed in claim 1, wherein: the Y-direction straightening mechanism further comprises a V-shaped block (53) arranged at the front end of the outer forming block (5) and used for pressing the root of the outgoing line in advance, the opening of a V-shaped groove of the V-shaped block (53) faces the reference surface (61), the V-shaped block (53) is in sliding connection with the outer forming block (5) and can slide in the direction far away from the reference surface (61), a material pressing spring (54) is arranged between the outer forming block (5) and the V-shaped block (53), and a second groove (63) matched with the V-shaped block (53) is formed in the reference surface (61).

5. The round wire stator lead-out wire straightening mechanism according to claim 3, characterized in that: still including a stator location section of thick bamboo (2) that is used for fixing a position the stator, a stator location section of thick bamboo (2) with mounting disc (1) rigid coupling, and be located the top of alignment unit, the axial direction of a stator location section of thick bamboo (2) with the axial direction syntropy of mounting disc (1), the inner wall of a stator location section of thick bamboo (2) is equipped with axial positioning boss (31) and circumference location boss (22).

6. The round wire stator lead-out wire straightening mechanism according to claim 3, characterized in that: be equipped with on mounting disc (1) and follow the axial gliding slider (7) of mounting disc (1), first linear drive device (3) are connected with slider (7), in order to drive slider (7) slide, slide (7) with be equipped with the drive between interior forming block (6) gliding connecting rod (8), the one end of connecting rod (8) with slider (7) cooperation, the other end with interior forming block (6) cooperation.

7. The round wire stator lead-out wire straightening mechanism as claimed in claim 1, wherein: the first linear driving device (3) and the second linear driving device (4) are both cylinders.