CN210927400U - Variable pitch machine winding device - Google Patents

Abstract

The utility model relates to a variable-pitch machine winding device. It includes a fixed sleeve assembly and a template assembly; the template assembly is used to wind coils with different pitches during winding; the fixed sleeve is provided with an inner hole to provide travel space for the small template; the template assembly includes a small template, a large The template and the connecting plate; the inside of the large template is a cavity for placing the small template, and the front end of the large template is an iron core positioning notch; the small template includes an assembly connecting rod and a core positioning notch at the front end; The rear end is provided with a threaded hole, the rear end of the assembly link is placed in the center hole of the connecting plate, and the assembly link is clamped on the rear end surface of the center hole of the connecting plate with screws and small washers from the rear end; the front end of the spring abuts against Use a retaining ring on the small washer in the hole. The utility model can realize automatic machine winding, improve production efficiency, ensure the stability of winding quality, and reduce winding cost.

Description

Variable pitch machine winding device

technical field

The utility model belongs to the field of automation, in particular to a variable-pitch machine winding device.

Background technique

A motor is generally composed of a rotor and a stator. The rotor is the rotating part in the motor, and the stator is the fixed part. The stator generally includes an iron core and windings arranged on the iron core. The windings are formed by winding coils around the teeth of the iron core. The methods of winding the coils on the teeth in the existing motor manufacturers include manual winding and machine winding, and the manual winding method has low efficiency and high labor cost. Although machine winding is highly efficient, it is difficult to apply to variable pitch winding. The number of slots (distance) spanned between two effective sides of a coil is called the pitch of the coil, or pitch for short. The current method of variable pitch winding usually involves winding the coils into separate coils through a template and then manually embedding the coils into the iron core, which has the problems of low efficiency, unstable quality and high labor costs.

SUMMARY OF THE INVENTION

The purpose of the utility model is to propose a variable-pitch machine winding device that changes the existing use conditions, which can realize automatic machine winding, improve production efficiency, ensure the stability of winding quality, and reduce winding costs.

In order to solve the above technical problems, the utility model provides a variable-pitch machine winding device, which includes a fixed sleeve assembly, a template assembly and an iron core; the template assembly is used to wind coils with different pitches during winding; the fixed The sleeve assembly includes a fixed sleeve, a screw and a spring; a large washer and a retaining ring for the hole; the fixed sleeve is provided with an inner hole to provide a travel space for the small template; the inner hole of the fixed sleeve is assembled in sequence with a retaining ring for the hole, a large washer and a spring , the hole is fixed in the inner hole with a retaining ring, and the bottom of the spring abuts on the retaining ring for the hole through a large washer to realize the limit of one end of the spring; on the inner hole wall between the retaining ring for the hole and the rear end opening of the inner hole of the fixed sleeve There are threaded holes, and screws are installed in the threaded holes. When working, the output shaft of the winding machine is put into the inner hole from the rear end, and the screws are tightened to fix the fixing sleeve and the machine shaft; the template assembly includes a small template, a large A template and a connecting plate; the connecting plate is provided with a central hole, and the front end surface of the connecting plate is provided with a pin hole; on the rear end surface of the connecting plate, a circular boss extends around the opening of the central hole, and the outer diameter of the circular boss and the fixing sleeve The inner diameter of the inner hole is matched, and the circular boss of the connecting plate is inserted into the inner hole of the fixing sleeve; the inside of the large template is a cavity, which is used to place the small template. The rear surface of the large formwork is fitted and assembled, and the positioning pins are used to locate each other and then fixed with screws; the front end of the large formwork is the iron core positioning notch; the small formwork includes the assembly connecting rod and the iron core positioning notch at the front end; The rear end of the rod is provided with a threaded hole, the rear end of the assembly connecting rod is placed in the center hole of the connecting plate, and the assembly connecting rod is clamped on the rear end surface of the center hole of the connecting plate with screws and small washers from the rear end; the front end of the spring Abut the hole with the retaining ring on the small washer.

Preferably, the spring is a conical spring, the large end of which abuts against the large washer, and the small end of which abuts against the small washer, and the conical spring provides restoring elastic force for the return stroke of the small template.

Preferably, the size of the front-end iron core positioning notch of the large template corresponds to the size of the large-span notch of the iron core, and the size of the front-end iron core positioning notch of the small template corresponds to the size of the small-span notch of the iron core.

Preferably, the surfaces of the front-end iron core positioning slots of the small template and the large template are all transitioned with smooth rounded corners.

Compared with the prior art, the present utility model has the remarkable advantages that: in the present utility model, the fixed sleeve assembly is equipped with a conical spring and a retaining ring for the hole, the template assembly is fixed by the large template and the small template through the connecting plate, and the small template is connected to the connecting plate. The connecting plate adopts sliding fit, and the telescopic function is realized by the compression spring. Therefore, by changing the pitch of the winding, the automatic machine can be used to wind coils of different pitches. The winding efficiency is high and the winding quality is stable, thereby improving economic benefits.

Description of drawings

Figure 1 is a schematic diagram of the general assembly of the utility model.

FIG. 2 is a sectional view of the structure of the utility model.

FIG. 3 is a schematic diagram of the cooperation between the iron core and the small template in the utility model.

FIG. 4 is a schematic diagram of the cooperation between the iron core and the large template in the utility model.

FIG. 5 is a schematic structural diagram of the fixing sleeve assembly in the present invention.

FIG. 6 is a schematic structural diagram of a template assembly in the present invention.

FIG. 7 is a schematic diagram of the rear end of the medium and large formwork of the present invention.

FIG. 8 is a schematic diagram of the front end of the medium and large formwork of the present invention.

FIG. 9 is a schematic diagram of a small and medium template of the present invention.

Reference signs: fixed sleeve assembly 1; template assembly 2; iron core 3; fixed sleeve 4; hexagon socket head cap screw 5; conical spring 6; large washer 7; ; connecting plate 11; small washer 12; M10 hexagon screw 13; positioning pin 14;

Detailed ways

It is easy to understand that, according to the technical solutions of the present invention, without changing the essential spirit of the present invention, those skilled in the art can imagine various embodiments of the present invention. Therefore, the following specific embodiments and accompanying drawings are only exemplary descriptions of the technical solutions of the present invention, and should not be regarded as the whole of the present invention or as limitations or restrictions on the technical solutions of the present invention.

With reference to the accompanying drawings, the variable-pitch machine winding device of the present invention includes a fixed sleeve assembly 1, a template assembly 2 and an iron core 3;

The fixing sleeve assembly 1 includes a fixing sleeve 4, a hexagon socket head screw 5, a conical spring 6; a large washer 7 and a retaining ring 8 for holes;

The fixing sleeve 4 is provided with an inner hole to provide travel space for the small template. The inner hole of the fixing sleeve is sequentially equipped with a retaining ring 8 for the hole, a large washer 7 and a conical spring 6, the retaining ring 8 for the hole is fixed in the inner hole, and the bottom of the conical spring 6 abuts against the retaining ring for the hole through the large washer 7 8 to realize the limit of one end of the conical spring 6. That is, the retaining ring 8 for the hole and the large washer 7 are used to support the conical spring 6 . A threaded hole is provided on the inner hole wall between the retaining ring 8 for the hole and the rear end opening of the inner hole of the fixing sleeve, and a hexagonal socket head screw 5 is assembled in the threaded hole. During operation, the output shaft of the winding machine and the inner hole of the fixing sleeve 4 adopt a sliding fit, and the hexagon socket head cap screws 5 are tightened to fix the fixing sleeve 4 and the output shaft of the winding machine. In this way, the fixing sleeve 4 and the machine shaft are easily dismantled.

The conical spring 6 can be compressed to provide a return elastic force for the return stroke of the small template 9 .

The template assembly 2 includes a small template 9 , a large template 10 and a connecting plate 11 .

The connecting plate 11 is provided with a central hole, and the front end surface of the connecting plate 11 is provided with a pin shaft hole; on the rear end surface of the connecting plate 11, a circular boss extends around the opening of the central hole, and the outer diameter of the circular boss and the inner hole of the fixing sleeve extend. The inner diameter is adapted, that is, the circular boss of the connecting plate can be inserted into the inner hole of the fixing sleeve.

Inside the large template 10 is a cavity for placing the small template 9 , that is, the small template 9 can move in the cavity inside the large template 10 . The rear surface of the large template is provided with positioning pins 14 and threaded holes. The front end surface of the connecting plate 11 is assembled with the rear surface of the large template 10, and the positioning pins 14 are used to locate each other and then fixed with screws. The front end of the large template 10 is an iron core positioning notch, and the size of the opening of the iron core positioning notch at the front end of the large template 10 corresponds to the size of the large span notch of the iron core.

The small template 9 includes an assembly connecting rod and an iron core positioning notch at the front end, and the size of the opening of the iron core positioning notch at the front end of the small template 9 corresponds to the size of the small span notch of the iron core. The radian of the iron core positioning notch at the front end of the large template 10 is larger than that of the iron core positioning notch at the front end of the small template 9, and the front opening size of the large template 10 is larger than that of the small template 9, so that the small template can have space to move.

The rear end of the assembly connecting rod is provided with a threaded hole, the rear end of the assembly connecting rod is placed in the center hole of the connecting plate, and the assembly connecting rod is clamped to the center hole of the connecting plate with M10 hexagon screws 13 and small washers 12 from the rear end rear face. The front end of the conical spring 6 abuts on the small washer 12 with the retaining ring 8 for the hole. Under the action of external force and spring restoring force, the assembly connecting rod can move between the large washer 7 and the rear end surface of the central hole of the connecting plate, thereby driving the small template 9 to change the front and rear distances.

The front-end iron core positioning notch surfaces of the small template 9 and the large template 10 are all transitioned with smooth rounded corners to ensure that the winding does not damage the coil;

The small template 9 can realize the telescopic movement of the small template 9 under the action of the conical spring 6, so that the machine can wind around the small pitch, and when the machine displacement exerts pressure on the small template 9, the conical spring 6 is compressed to realize the large template. 10. Position the notch so that the machine can wind the large-pitch winding, thus realizing the automatic machine winding of the variable-pitch winding.

Claims (4)

1. A variable-pitch machine winding device, characterized in that it comprises a fixed sleeve assembly (1) and a template assembly (2); The template assembly (2) is used for winding coils with different pitches during winding; The fixing sleeve assembly (1) comprises a fixing sleeve (4), a screw (5), a spring (6); a large washer (7) and a retaining ring (8) for a hole; The fixing sleeve (4) is provided with an inner hole to provide a travel space for the small template; the inner hole of the fixing sleeve is assembled in sequence with a retaining ring (8) for holes, a large washer (7) and a spring (6), and retaining rings for holes ( 8) Fixed in the inner hole, the bottom of the spring (6) abuts on the retaining ring (8) for the hole through the large washer (7) to realize the limit of one end of the spring (6); between the retaining ring (8) for the hole and the fixing sleeve The inner hole wall between the rear end openings of the inner hole is provided with a threaded hole, and a screw (5) is assembled in the threaded hole. When working, the output shaft of the winding machine is put into the inner hole from the rear end, and the screw (5) is tightened. , and fix the fixing sleeve (4) with the machine shaft; The template assembly (2) includes a small template (9), a large template (10) and a connecting plate (11); The connecting plate (11) is provided with a central hole, and the front end surface of the connecting plate (11) is provided with a pin shaft hole; on the rear end surface of the connecting plate (11), a circular boss extends around the opening of the central hole, and the circular boss extends outside the circular boss. The diameter matches the inner diameter of the inner hole of the fixing sleeve, and the circular boss of the connecting plate is inserted into the inner hole of the fixing sleeve; The inside of the large template (10) is a cavity for placing the small template (9). The rear surface of the large template is provided with positioning pins (14) and threaded holes, and the front end surface of the connecting plate (11) is attached to the rear end surface of the large template (10). They are assembled together, and the positioning pins (14) are used to locate each other and then fixed with screws; the front end of the large template (10) is the iron core positioning notch; The small template (9) includes an assembly connecting rod and an iron core positioning notch at the front end; The rear end of the assembly connecting rod is provided with a threaded hole, the rear end of the assembly connecting rod is placed in the center hole of the connecting plate, and the assembly connecting rod is clamped on the connecting plate from the rear end with a screw (13) and a small washer (12). The rear end surface of the central hole; the front end of the spring (6) abuts on the small washer (12) with the retaining ring (8) for the hole. 2. The variable-pitch machine winding device according to claim 1, wherein the spring (6) is a conical spring, the large end of which is abutted against the large washer (7), and the small end of which is in contact with the small washer (12) abuts against, and the conical spring (6) provides a return elastic force for the return stroke of the small template (9). 3. The variable-pitch machine winding device according to claim 1, characterized in that the size of the front end iron core positioning notch of the large template (10) corresponds to the size of the large span notch of the iron core, and the small template (9) The opening size of the front-end iron core positioning notch corresponds to the size of the small span notch of the iron core. 4 . The variable-pitch machine winding device according to claim 1 , wherein the surfaces of the front-end iron core positioning slots of the small template ( 9 ) and the large template ( 10 ) are all transitioned with smooth rounded corners. 5 .

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