CN210380589U

CN210380589U - Inlet wire tensioning mechanism of stator winding machine

Info

Publication number: CN210380589U
Application number: CN201921408475.9U
Authority: CN
Inventors: 于国刚
Original assignee: Wuxi Mingqi Electric Technology Co ltd
Current assignee: Wuxi Mingqi Electric Technology Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model belongs to the technical field of the stator wire winding technique and specifically relates to a stator winding machine's inlet wire straining device is related to, including the mounting panel, relative both ends are inlet wire end, leading-out terminal respectively on the mounting panel, the inlet wire end is equipped with the first porcelain eye seat that is used for the inlet wire, and the leading-out terminal is equipped with the second porcelain eye seat that is used for being qualified for the next round of competitions, is equipped with position fixing's first leading wheel and second leading wheel on the mounting panel, is fixed with the cylinder on the mounting panel, and the piston rod of cylinder contracts when stator locator resets, is equipped with first tensioning wheel on the piston rod of cylinder, still is fixed with all with cylinder vertically first optical axis, second optical axis on the mounting panel, wears to be equipped with first slide on the first optical axis. The piston rod of cylinder is in the extension state with the tensioning enameled wire under normal condition, and the piston rod of cylinder contracts when the stator locator resets, and the enameled wire is lax this moment, and consequently the end of a thread can not drop from pneumatic fixture when the stator locator resets this moment.

Description

Inlet wire tensioning mechanism of stator winding machine

Technical Field

The utility model belongs to the technical field of the stator wire winding technique and specifically relates to a stator winding machine's inlet wire straining device is related to.

Background

In the process of winding the stator core, the enameled wire is easy to loose, and the tensioning of the enameled wire is kept, so that the important effect of improving the winding quality of the stator core is achieved. The utility model discloses a utility model patent that grant notice number is CN208608871U discloses a be used for wire-wound electromagnetic wire tensioning structure of stator, including locating straining device and the supporting mechanism on the base plate, straining device includes the take-up pulley, the straining arm, extension arm and spring, and the one end at the extension arm is connected to the take-up pulley, and the take-up pulley free rotation, and the other end of extension arm is connected with the one end of straining arm, and the other end of straining arm passes through the spring and is connected with the turn-ups of setting on the base plate, and the straining arm is through selling hub connection on the base plate, and the straining arm rotates around the round pin axle.

Above-mentioned tension structure is effectual to the tensioning of enameled wire, but in the actual production, stator wire-wound last process is that the pneumatic fixture on the stator locator cuts the line and cliies the end of a thread, then the stator locator resets and straightens the end of a thread to follow-up bobbin is to next empty stator wire winding, because the enameled wire is stretched too tightly, the stator locator resets the in-process, the end of a thread can drop from pneumatic fixture, perhaps pneumatic fixture is with enameled wire tensile deformation, leads to enameled wire surface insulating varnish to peel off.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stator winding machine's inlet wire straining device, it has the advantage of transferring loose enameled wire tensile force at stator locator reset process.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a wire inlet tensioning mechanism of a stator winding machine comprises a mounting plate, wherein two opposite ends of the mounting plate are respectively a wire inlet end and a wire outlet end, the wire inlet end is provided with a first porcelain eye seat for wire inlet, the wire outlet end is provided with a second porcelain eye seat for wire outlet, the mounting plate is provided with a first guide wheel and a second guide wheel which are fixed in position, an air cylinder is fixed on the mounting plate, a piston rod of the air cylinder contracts when a stator positioner resets, a first tensioning wheel is arranged on a piston rod of the air cylinder, a first optical axis and a second optical axis which are vertical to the air cylinder are also fixed on the mounting plate, a first sliding seat is arranged on the first optical axis in a penetrating manner, a second tensioning wheel is arranged on the first sliding seat, a second sliding seat is arranged on the second optical axis in a penetrating manner, a third tensioning wheel is arranged on the second sliding seat, the second tensioning wheel and the second guide wheel are symmetrical about the air cylinder, the first optical axis is positioned between the, one end of the first spring is connected with one end, close to the wire inlet end, of the first optical axis, the other end of the first spring is connected with the first sliding seat, the second optical axis is sleeved with the second spring, one end of the second spring is connected with one end, close to the wire outlet end, of the second optical axis, and the other end of the second spring is connected with the second sliding seat; the outgoing line of the first porcelain eye seat sequentially bypasses the first guide wheel, the second guide wheel, the first tensioning wheel, the second tensioning wheel and the third tensioning wheel and then is outgoing from the second porcelain eye seat.

Through adopting above-mentioned technical scheme, the enameled wire is earlier from the first porcelain eye seat inlet wire on the mounting panel, loops through first leading wheel and second leading wheel redirecting again, loop through first take-up pulley, the second take-up pulley, the third take-up pulley is taut next to, get into the wire winding arm after being qualified for the next round of competitions from the second porcelain eye seat at last, the piston rod of cylinder is in the extension state with the tensioning enameled wire under the normal condition, the piston rod shrink of cylinder when the stator locator resets, the enameled wire is lax this moment, so the end of a thread can not drop from pneumatic fixture when the stator locator resets this moment.

Preferably, an axle seat is fixed on the mounting plate, the air cylinder is fixed on the axle seat, a piston rod of the air cylinder penetrates through the axle seat, a top rod is fixed at the top of the piston rod of the air cylinder, the first tensioning wheel is located on the top rod, a limiting shaft is fixed on the top rod, and the limiting shaft and the piston rod of the air cylinder penetrate through the axle seat in parallel.

Through adopting above-mentioned technical scheme, utilize the cooperation of spacing axle and axle bed, lead to the piston rod of cylinder.

Preferably, an included angle between the incoming line and the outgoing line of the first porcelain eye seat is an obtuse angle or a straight angle, an included angle between the incoming line and the outgoing line of the first guide wheel is an acute angle, the first tensioning wheel, the second tensioning wheel and the third tensioning wheel are respectively located on three vertexes of a triangle, and an included angle between the incoming line and the outgoing line of the second porcelain eye seat is an obtuse angle or a straight angle.

By adopting the technical scheme, the included angle between the incoming line and the outgoing line of the first porcelain eye seat is an obtuse angle or a straight angle, so that the abrasion of the enameled wire at the incoming line end can be reduced; an included angle between an incoming line and an outgoing line of the first guide wheel is an acute angle, and the direction of the enameled wire can be adjusted; the first tensioning wheel, the second tensioning wheel and the third tensioning wheel are respectively positioned at three vertexes of the triangle, and the tension of the enameled wire can be adjusted by adjusting the position of the first tensioning wheel; the included angle between the incoming wire and the outgoing wire of the second porcelain eye seat is an obtuse angle or a straight angle, so that the abrasion of the enameled wire at the outgoing wire end can be reduced.

Preferably, the number of the first optical axis and the second optical axis is two parallel to each other.

Through adopting above-mentioned technical scheme, can prevent that first slide is rotatory for first optical axis, prevent that the second slide is rotatory for the second optical axis to avoid first spring and second spring to twist reverse, guarantee that first spring and second spring are good.

Preferably, the wire frame is further provided with a plurality of fixed pulleys and a plurality of threading holes, the fixed pulleys are used for leading out enameled wires on the wire barrel, the fixed pulleys correspond to the threading holes one to one, and outgoing wires of the fixed pulleys linearly sequentially penetrate through the corresponding threading holes and penetrate into the incoming wire ends.

Through adopting above-mentioned technical scheme, realized many enameled wires mutually noninterference ground to the mounting panel inlet wire.

Preferably, the wire inlet end is further provided with a third porcelain eye seat, the third porcelain eye seat is located between the wire frame and the first porcelain eye seat, and the third porcelain eye seat is provided with a plurality of holes for threading.

By adopting the technical scheme, all the enameled wires are separated by the plurality of holes on the third porcelain eye seat, so that knotting of the enameled wires at the wire inlet end is avoided.

Preferably, an L-shaped plate is arranged on the wire inlet end, a stud is screwed on the L-shaped plate, the first porcelain eye seat and the third porcelain eye seat are both located in a space enclosed by the L-shaped plate and the mounting plate, a knob is fixed to one end of the stud, a pressing plate is fixed to the other end of the stud, and the pressing plate is pressed on the first porcelain eye seat and the third porcelain eye seat.

Through adopting above-mentioned technical scheme, the adjustable clamp plate of rotatory knob and the distance of mounting panel can make the clamp plate loosen the position of first porcelain eye seat and the first porcelain eye seat of adjustment behind first porcelain eye seat and the third porcelain eye seat.

Preferably, sand paper is fixed on the surface of the pressure plate, which faces away from the stud.

Through adopting above-mentioned technical scheme, abrasive paper has improved the static friction between clamp plate and first porcelain eye seat, the third porcelain eye seat, makes first porcelain eye seat and the difficult rocking of third porcelain eye seat.

To sum up, the utility model discloses a beneficial technological effect does:

1. the piston rod of the air cylinder is in an extension state to tension the enameled wire in a normal state, when the stator positioner resets, the piston rod of the air cylinder contracts, and the enameled wire is loosened, so that a wire head cannot fall off from the pneumatic clamp when the stator positioner resets;

2. the inlet wire end separates all the enameled wires by using a plurality of holes on the third porcelain eye seat, so that knotting of the enameled wires at the inlet wire end is avoided.

Drawings

Fig. 1 is a schematic overall structure diagram of an incoming line tensioning mechanism of a stator winding machine in an embodiment;

FIG. 2 is a schematic view of a mounting plate and its upper structure;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, mounting plate; 2. a wire inlet end; 3. a wire outlet end; 4. a first porcelain eye seat; 5. a second porcelain eye seat; 6. a first guide wheel; 7. a second guide wheel; 8. a shaft seat; 9. a cylinder; 10. a first tensioning wheel; 11. a first optical axis; 12. a second optical axis; 13. a first slider; 14. a second tensioning wheel; 15. a second slide carriage; 16. a third tension pulley; 17. a first spring; 18. a second spring; 19. a top rod; 20. a limiting shaft; 21. a wire frame; 21a, a threading hole; 22. a fixed pulley; 23. a bobbin; 24. enamelled wires; 25. a third porcelain eye seat; 25a, an eyelet; 26. an L-shaped plate; 27. a stud; 28. a knob; 29. pressing a plate; 30. and (7) sand paper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): fig. 1 is the utility model discloses a stator winder's inlet wire straining device, including mounting panel 1 and line frame 21, the both ends of 1 length direction of mounting panel are inlet wire end 2, leading-out terminal 3 respectively, and the enameled wire 24 of releasing on the bobbin 23 gets into mounting panel 1 after the direction of line frame 21, penetrates the wire winding arm after carrying out tension regulation on mounting panel 1.

As shown in fig. 1, a row of fixed pulleys 22 is horizontally installed on a wire frame 21, a row of threading holes 21a is horizontally opened on a long plate on the wire frame 21, and an enameled wire 24 paid out from a wire drum 23 sequentially passes through the fixed pulleys 22 and the threading holes 21a and then is threaded into a mechanism on the mounting plate 1. The fixed pulleys 22 correspond to the threading holes 21a in number one by one, and the outgoing lines of the fixed pulleys 22 pass through the corresponding threading holes 21a in a straight line shape.

As shown in fig. 2 and 3, an L-shaped plate 26 is fixed on the inlet end 2, and a first porcelain eye seat 4 and a third porcelain eye seat 25 are arranged in a space enclosed by the L-shaped plate 26 and the mounting plate 1. The included angle between the incoming line and the outgoing line of the first porcelain eye seat 4 is an obtuse angle or a straight angle, the third porcelain eye seat 25 is positioned between the first porcelain eye seat 4 and the wire frame 21, and a plurality of eyelets 25a for threading are arranged on the third porcelain eye seat 25. The plurality of eyelets 25a on the third porcelain eye seat 25 separate all the enameled wires 24, so that the plurality of enameled wires 24 are prevented from knotting at the wire inlet end 2.

As shown in fig. 3, a stud 27 is screwed on the L-shaped plate 26, a knob 28 is fixed at one end of the stud 27, a pressing plate 29 is fixed at the other end of the stud 27, sandpaper 30 is fixed on the surface of the pressing plate 29 facing the mounting plate 1, and the pressing plate 29 and the sandpaper 30 are pressed on the first eyelet seat 4 and the third eyelet seat 25. The knob 28 is rotated to adjust the distance between the pressing plate 29 and the mounting plate 1, so that the pressing plate 29 can release the first porcelain eye seat 4 and the third porcelain eye seat 25 to adjust the positions of the first porcelain eye seat 4 and the third porcelain eye seat 25. The sand paper 30 improves the static friction between the pressing plate 29 and the first eyelet base 4 and the third eyelet base 25, so that the first eyelet base 4 and the third eyelet base 25 are not easy to shake.

As shown in fig. 1, a first guide wheel 6 and a second guide wheel 7 with fixed positions are arranged on the mounting plate 1, and an included angle between an incoming line and an outgoing line of the first guide wheel 6 is an acute angle. The mounting plate 1 is further fixed with a shaft seat 8, a vertical cylinder 9 (see fig. 2) is fixed on the shaft seat 8, a piston rod of the cylinder 9 is in an extended state for a long time, and only when the stator positioner resets, the piston rod of the cylinder 9 can be contracted. A piston rod of the air cylinder 9 penetrates through the shaft seat 8, a top rod 19 is fixed to the top of the piston rod of the air cylinder 9, a first tensioning wheel 10 is installed in the middle of the top rod 19, a limiting shaft 20 is fixed to two ends of the top rod 19, and the limiting shaft 20 and the piston rod of the air cylinder 9 penetrate through the shaft seat 8 in parallel.

As shown in fig. 1, two first optical axes 11 and two second optical axes 12 are fixed on the mounting plate 1 perpendicularly to the cylinder 9, a first sliding seat 13 is arranged on the two first optical axes 11 in a penetrating manner, a second tensioning wheel 14 is arranged on the first sliding seat 13, the second tensioning wheel 14 and the second guide wheel 7 are symmetrical about the cylinder 9, and the first optical axis 11 is located between the first tensioning wheel 10 and the second optical axis 12; a second sliding seat 15 penetrates through the two second optical axes 12, and a third tensioning wheel 16 is mounted on the second sliding seat 15.

As shown in fig. 1, the first optical axis 11 is sleeved with a first spring 17, one end of the first spring 17 is connected to one end of the first optical axis 11 close to the wire inlet end 2, and the other end of the first spring 17 is connected to the first slide base 13. A second spring 18 is sleeved on the second optical axis 12, one end of the second spring 18 is connected with one end of the second optical axis 12 close to the wire outlet end 3, and the other end of the second spring 18 is connected with the second sliding seat 15. The first tensioning wheel 10, the second tensioning wheel 14 and the third tensioning wheel 16 are respectively positioned at three vertexes of a triangle, and the tension of the enameled wire 24 can be adjusted by adjusting the position of the first tensioning wheel 10.

As shown in fig. 1, the two first optical axes 11 and the two second optical axes 12 respectively prevent the first slide 13 from rotating relative to the first optical axis 11 and prevent the second slide 15 from rotating relative to the second optical axis 12, so as to avoid torsion of the first spring 17 and the second spring 18 and ensure that the first spring 17 and the second spring 18 function well.

As shown in fig. 1 and 2, the outlet end 3 is provided with a second eyelet 5 for outlet, and an included angle between the inlet wire and the outlet wire of the second eyelet 5 is an obtuse angle or a flat angle, so that the outlet end 3 can be prevented from wearing the enameled wire 24. The incoming wire sequentially passes through the third porcelain eye seat 25, the first porcelain eye seat 4, the first guide wheel 6, the second guide wheel 7, the first tensioning wheel 10, the second tensioning wheel 14 and the third tensioning wheel 16 and then is outgoing from the second porcelain eye seat 5.

The implementation principle of the embodiment is as follows: a plurality of enameled wires 24 are firstly led in from a third porcelain eye seat 25 on the mounting plate 1, then intensively pass through the first porcelain eye seat 4, change directions sequentially through a first guide wheel 6 and a second guide wheel 7, are tensioned sequentially through a first tensioning wheel 10, a second tensioning wheel 14 and a third tensioning wheel 16, and finally are led out from a second porcelain eye seat 5 and enter a winding arm; the piston rod of the cylinder 9 is in an extension state to tension the enameled wire 24 under the normal state, when the stator positioner resets, the piston rod of the cylinder 9 contracts, and at the moment, the enameled wire 24 is loosened, so that the wire head cannot fall off from the pneumatic clamp when the stator positioner resets at the moment.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an inlet wire straining device of stator coiling machine, includes mounting panel (1), and relative both ends are inlet wire end (2), leading-out terminal (3) respectively on mounting panel (1), its characterized in that: the wire inlet end (2) is provided with a first porcelain eye seat (4) for wire inlet, the wire outlet end (3) is provided with a second porcelain eye seat (5) for wire outlet, the mounting plate (1) is provided with a first guide wheel (6) and a second guide wheel (7) which are fixed in position, the mounting plate (1) is fixed with a cylinder (9), a piston rod of the cylinder (9) contracts when the stator positioner resets, the piston rod of the cylinder (9) is provided with a first tensioning wheel (10), the mounting plate (1) is also fixed with a first optical axis (11) and a second optical axis (12) which are both vertical to the cylinder (9), the first optical axis (11) is penetrated with a first sliding seat (13), the first sliding seat (13) is provided with a second tensioning wheel (14), the second optical axis (12) is penetrated with a second tensioning wheel (15), the second sliding seat (15) is provided with a third tensioning wheel (16), and the second tensioning wheel (14) and the second guide wheel (7) are symmetrical about the cylinder (9), the first optical axis (11) is located between the first tensioning wheel (10) and the second optical axis (12), a first spring (17) is sleeved on the first optical axis (11), one end of the first spring (17) is connected with one end, close to the wire inlet end (2), of the first optical axis (11), the other end of the first spring (17) is connected with the first sliding seat (13), a second spring (18) is sleeved on the second optical axis (12), one end of the second spring (18) is connected with one end, close to the wire outlet end (3), of the second optical axis (12), and the other end of the second spring (18) is connected with the second sliding seat (15); the outgoing line of the first porcelain eye seat (4) sequentially bypasses the first guide wheel (6), the second guide wheel (7), the first tensioning wheel (10), the second tensioning wheel (14) and the third tensioning wheel (16) and then is outgoing from the second porcelain eye seat (5).

2. The incoming line tensioning mechanism of a stator winder of claim 1, wherein: be fixed with axle bed (8) on mounting panel (1), on cylinder (9) were fixed in axle bed (8), the piston rod of cylinder (9) run through axle bed (8), and the piston rod top of cylinder (9) is fixed with ejector pin (19), and first straining wheel (10) are located ejector pin (19), are fixed with spacing axle (20) on ejector pin (19), and spacing axle (20) run through axle bed (8) with the piston rod of cylinder (9) parallelly.

3. The incoming line tensioning mechanism of a stator winder of claim 1, wherein: the included angle between the incoming line and the outgoing line of the first porcelain eye seat (4) is an obtuse angle or a straight angle, the included angle between the incoming line and the outgoing line of the first guide wheel (6) is an acute angle, the first tensioning wheel (10), the second tensioning wheel (14) and the third tensioning wheel (16) are respectively located on three vertexes of a triangle, and the included angle between the incoming line and the outgoing line of the second porcelain eye seat (5) is an obtuse angle or a straight angle.

4. The incoming line tensioning mechanism of a stator winder of claim 1, wherein: the number of the first optical axis (11) and the number of the second optical axis (12) are two parallel to each other.

5. The incoming line tensioning mechanism of a stator winder of claim 1, wherein: the wire frame (21) is further provided with a plurality of fixed pulleys (22) and a plurality of threading holes (21 a), the fixed pulleys (22) are used for leading out enameled wires (24) on the wire barrel (23), the fixed pulleys (22) are in one-to-one correspondence with the threading holes (21 a), and outgoing wires of the fixed pulleys (22) pass through the corresponding threading holes (21 a) and penetrate into the wire inlet end (2) in a linear mode in sequence.

6. The incoming line tensioning mechanism of a stator winder of claim 5, wherein: the wire inlet end (2) is further provided with a third porcelain eye seat (25), the third porcelain eye seat (25) is located between the wire frame (21) and the first porcelain eye seat, and the third porcelain eye seat (25) is provided with a plurality of holes (25 a) for threading.

7. The incoming line tensioning mechanism of a stator winder of claim 6, wherein: be equipped with L template (26) on inlet wire end (2), the spiro union has double-screw bolt (27) on L template (26), and first porcelain eye seat (4) and third porcelain eye seat (25) all are located the space that L template (26) and mounting panel (1) enclose, and double-screw bolt (27) one end is fixed with knob (28), and double-screw bolt (27) other end is fixed with clamp plate (29), and clamp plate (29) are pressed on first porcelain eye seat (4) and third porcelain eye seat (25).

8. The incoming line tensioning mechanism of a stator winder of claim 7, wherein: sand paper (30) is fixed on the surface of the pressure plate (29) back to the stud (27).