CN216699772U - Tightening mechanism for motor winding - Google Patents

Abstract

The utility model relates to the technical field of winding devices and discloses a motor winding tightening mechanism which comprises n pay-off stands, wherein each pay-off stand is provided with a pay-off reel, and a wire rod with the diameter d is wound on each pay-off reel; the wire is wound on a winding machine after sequentially passing through a tension adjusting plate, a wire arranging piece and a furling piece; a winding motor is arranged on the winding machine, a winding die is arranged at the output end of the winding motor, and n wires are wound on the winding die simultaneously after being furled into a row of multi-strand wires which are connected and arranged in a single layer by a furling piece; the winding die comprises a waist-shaped die core assembly and two template assemblies arranged on two sides of the die core assembly; the circumferential side edge of the die core component is clamped between the two die plate components and is combined with the inner surfaces of the two die plate components to form a wire storage groove, and the width of the wire storage groove is s, and nd is less than (n +1) d. The utility model has the beneficial effects that: the coil wound by the method is smoother, has better tension state, and is more suitable for winding waist-shaped coils.

Description

Tightening mechanism for motor winding

Technical Field

The utility model relates to the technical field of winding devices, in particular to a winding tightening mechanism of a motor.

Background

At present, in all motor manufacturing industries at home and abroad, the winding mode of a coil is still generally as follows: the winding former of the coil is fixed on a main shaft of a winding machine, the winding former is driven by the main shaft of the winding machine to rotate at a constant speed, and the electric wire is wound on the winding former one circle, so that the winding process of the motor coil is completed. In the prior art, when a coil is wound, a wire is usually wound on a winding former one coil by one coil, so that the coils are arranged in a mess and are easily disordered and staggered in the winding process, the arrangement state and the slot fullness rate of the wound coil are influenced, and the performance of a motor is indirectly influenced.

Meanwhile, the existing winding mode of the coil is suitable for small motors, but is insufficient for large and medium motors. The reason is that: in the manufacturing industry of large and medium-sized motors, the coil is first designed and manufactured into a kidney-shaped (or key slot-shaped) coil. When the waist-shaped coil winding former winds, the winding speed V (or called a wire releasing speed) of the waist-shaped coil winding former fluctuates along with the difference of the positions of the long shafts of the waist-shaped coil winding former, and fluctuation of constant tension force required by winding is caused accordingly. The wire is easily loosened due to the fluctuation of the paying-off speed.

Therefore, in order to solve the above problems, a tightening mechanism for motor winding is provided to enable a wound coil to be smoother, the coil to be better tightened, and the tightening mechanism is more suitable for winding a waist-shaped coil.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a winding tightening mechanism of a motor, which adopts a mode of simultaneously winding a plurality of strands to enable a wound coil to be smoother and the coil to be in a better tightening state and adopts a buffer piece to enable the device to be more suitable for winding a waist-shaped coil.

The purpose of the utility model is realized by the following technical scheme:

the motor winding tightening mechanism comprises; the wire drawing machine comprises n wire drawing frames, wherein a wire drawing disc is arranged on each wire drawing frame, and a wire with the diameter d is wound on each wire drawing disc;

the wire rod sequentially passes through the tension adjusting plate, the wire arranging piece and the furling piece and then is wound on the winding machine;

the winding machine is provided with a winding motor, the output end of the winding motor is provided with a winding die, and n wires are furled into a row of multi-strand wires which are connected and arranged in a single layer through a furling piece and then are simultaneously wound on the winding die;

the winding die comprises a waist-shaped die core assembly and two template assemblies arranged on two sides of the die core assembly;

the circumference side of the die core component is clamped between the two die plate components and is combined with the inner surfaces of the two die plate components to form a wire storage groove, the width of the wire storage groove is s, and nd is less than (n +1) d.

Furthermore, the template assembly comprises four mutually independent rectangular plates and two semicircular plates, and the rectangular plates and the semicircular plates are respectively detachably mounted on the die core assembly.

Furthermore, the outer sides of the upper part and the lower part of the die core component are respectively provided with a plurality of through grooves for the bandage to pass through, and the through grooves are arranged on the left side and the right side of the die core component. The coil can be conveniently detached from the winding die in the follow-up process.

Furthermore, a row of wire arranging holes with uniform intervals are horizontally arranged on the wire arranging piece, and a wire penetrates through each wire arranging hole.

Furthermore, a strip-shaped threading hole is horizontally arranged on the furling piece, and n horizontally connected limiting parts are arranged in the threading hole;

the top and the bottom of the limiting part are both in an arc shape which is attached to the cross section of the wire rod.

Furthermore, a buffer part is arranged between the wire arranging part and the furling part;

the buffer part comprises three buffer frames which are sequentially arranged along the moving direction of the wire rod, the wire rod sequentially passes through the three buffer frames, and the buffer frame positioned in the middle and the other two buffer frames are reversely arranged up and down;

the buffer frame comprises a roller, two ends of a central shaft of the roller are respectively and fixedly installed at the upper ends of two supporting cylinders, a sliding rod is sleeved inside each supporting cylinder, and a compression spring is sleeved after the sliding rod penetrates out of the bottom of each supporting cylinder.

Furthermore, the roller outside be equipped with many rings of recesses, the roller top is equipped with the fitting piece, the fitting piece both ends respectively with center pin fixed connection, the roller is hugged closely to the fitting piece lower surface, and the lower surface of fitting piece is equipped with a plurality of arc recesses with recess matched with. The wire rod buffer device can buffer the tensile force suddenly increased on each wire rod, can be convenient for keep the interval between the wire rods uniform, and avoids the dislocation between the wire rods when the tensile force is buffered.

Furthermore, the slide bar is positively or inversely fixed on the mounting table, a thread section is arranged at the bottom of the slide bar, an adjusting ring is matched with the thread section in a thread manner, and the compression spring is abutted between the adjusting ring and the supporting cylinder. The elasticity of the compression spring on the buffer piece can be conveniently adjusted according to actual conditions.

Furthermore, a porcelain wire passing device, a first tension wheel and a second tension wheel are arranged on the tension adjusting plate, after the wire passes through the porcelain wire passing device, the wire passes through the lower portion of the tension wheel and the upper portion of the second tension wheel in sequence, and an anti-wire-jumping rod is further arranged on the upper right side of the second tension wheel.

The utility model has the following advantages: (1) the multi-strand wire is simultaneously wound in the wire storage groove, and the width dimension of the wire storage groove is matched with the side-by-side width dimension of the multi-strand wire, so that the multi-strand wire can be wound on the winding die layer by layer in an orderly and compact manner, the winding flatness and the coil tension state can be effectively improved, and the motor applying the coil can be optimized;

(2) the tension on the wire is buffered by the buffer piece, and the tension of the compression spring is used for buffering, so that the wire is prevented from loosening due to suddenly increased tension during winding;

(3) through set up a plurality of grooves of wearing to each other in the die core subassembly periphery to form the die plate subassembly through four rectangular plates and two semicircle boards, thereby can tie up the good coil of coiling with banded bandage on dismantling the rectangular plate, dismantle the semicircle board again at last, and then be convenient for from the good coil of coiling of taking off on the winding mould.

Drawings

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

FIG. 2 is a schematic view of a winding mold according to the present invention;

FIG. 3 is a schematic view of the winding die of the present invention with one side of the die plate assembly removed;

FIG. 4 is a schematic view of the present invention cushioning member with two vertically mounted cushioning frames removed;

FIG. 5 is an enlarged view of a bumper bracket;

FIG. 6 is a schematic view of a threading hole;

FIG. 7 is a schematic view of a cable hole;

FIG. 8 is a front view of the tension adjustment plate;

FIG. 9 is a side view of a tension adjustment plate;

in the figure: 1-pay-off rack, 2-wire, 3-wire arranging piece, 4-tension adjusting plate, 5-winding machine, 6-gathering piece, 8-buffering piece, 10-winding mold, 11-die core assembly, 101-pay-off reel, 301-wire arranging hole, 401-porcelain wire passing device, 402-tension wheel I, 403-tension wheel II, 405-wire adjusting preventing rod, 601-wire passing hole, 602-limiting part, 801-roller, 802-supporting cylinder, 803-sliding rod, 804 compression spring, 805-groove, 806-fitting piece, 807-mounting table, 808-adjusting ring, 901-rectangular plate, 902-semi-circular plate and 1101-opposite-passing groove.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 5, a tightening mechanism for motor winding comprises eight pay-off stands 1, eight tension adjusting plates 4, a wire arranging member 3, a buffering member 8, a furling member 6, and a winding machine 5, wherein a pay-off reel 101 is arranged on the pay-off stand 1, a wire 2 is wound on the pay-off reel 101, the eight wires 2 on the eight stand 2 are respectively adjusted by the eight tension adjusting plates 4, and are preliminarily furled into multiple strands which are horizontally arranged in a single layer and are uniformly spaced by the wire arranging member 3, the preliminarily furled wires pass through the buffering member 8 and are further furled by the furling member 6, then the furling member 6 furls the eight wires 2 into multiple strands which are connected and arranged in a single layer, finally, the wires furled by the furling member 6 are wound on a winding die 10 of the winding machine 5, the winding die 10 is a waist-shaped die, the winding die 10 is driven by the winding motor to rotate, eight wires 2 are simultaneously wound on the winding die 10.

Meanwhile, the winding mold 10 comprises a waist-shaped mold core assembly 11, two side surfaces of the mold core assembly 11 are respectively detachably provided with a template assembly, each side template assembly comprises four rectangular plates 901 and two semicircular plates 902, each rectangular plate 901 and each semicircular plate 902 are independently arranged on the mold core assembly 11, a wire storage groove is formed between the two template assemblies, the width of the wire storage groove is s, s is more than 8d and less than 9d, and d is the diameter of the wire 2, so that eight wires 2 can be wound in the wire storage groove exactly and flatly, and no redundant gap is formed and the redundant wire 2 can be accommodated at the same time; the periphery of the die core assembly 11 is further provided with a plurality of opposite through grooves 1101, the opposite through grooves 1101 are opposite to the left side surface and the right side surface of the die core assembly 11, after the coil is wound, the two rectangular plates 901 which are symmetrically installed can be firstly detached, after the two rectangular plates 901 which are oppositely arranged are detached, a banding rope can be used for penetrating the corresponding opposite through grooves 1101, the coil is bound by the banding rope, then subsequent other rectangular plates 901 are detached for binding, and finally the lower semicircular plate 902 is detached, so that when the coil is subsequently taken out, the whole stability of the coil can be maintained.

As shown in fig. 6 and 7, in the present solution, a row of wire arranging holes 301 is horizontally formed on the wire arranging member 3, and one wire 2 penetrates through each wire arranging hole 301, so that eight wires 2 can be preliminarily gathered into a row of multiple strands with uniform intervals; a strip-shaped threading hole 601 is horizontally arranged on the furling piece 6, the threading hole 601 comprises eight horizontally connected limiting parts 602, the top and the bottom of each limiting part 602 are both in an arc shape which is attached to the cross section of each wire 2, so that one wire 2 just passes through one limiting part 602 and can be connected with the adjacent wire 2, the furling piece 6 can furl the eight wires 2 into single-layer connected multiple strands which are tightly arranged, and the threading hole 601 is arranged opposite to and parallel to the wire storage groove, so that the wires 2 can be accurately wound in the wire storage groove; the joints of the top and the bottom of the limiting part 602 and the outer surface of the furling piece 6 are all arc surface transition, which is beneficial to protecting the wire 2.

Because the winding die 10 is waist-shaped, in the winding process, the winding die 10 drives the wire 2 to move periodically in a variable speed manner, so that the tension on the pay-off reel 101 is changed accordingly, in order to avoid the loosening of the wire 2 caused by uneven tension, the scheme is also provided with a buffer part 8 between the wire arranging part 3 and the furling part 6, the buffer part 8 comprises three buffer frames which are sequentially arranged along the moving direction of the wire, the wire 2 sequentially passes through the three buffer frames, wherein the buffer frame positioned in the middle and the other two buffer frames are reversely arranged up and down, and the wire 2 moves along a V-shaped path when passing through the three buffer frames; the buffer frame also comprises a roller 801, two ends of a central shaft of the roller 801 are respectively and fixedly arranged at the upper ends of two supporting cylinders 802, a sliding rod 803 is sleeved inside the supporting cylinders 802, the sliding rod 803 penetrates out of the bottom of the supporting cylinder 802 and is sleeved with a compression spring 804, a plurality of circles of grooves 805 are uniformly arranged on the outer surface of the roller 801, a fitting piece 806 is arranged above the roller 801, two ends of the fitting piece 806 are respectively and fixedly connected with two ends of the central shaft, the lower surface of the fitting piece 806 is clung to the roller 801, a plurality of arc-shaped grooves matched with the grooves 805 are arranged on the lower surface of the fitting piece 806, the wire 2 passes through a channel formed by the grooves 805 and the arc-shaped grooves, so that the wire 2 which is primarily arranged and collected by the wire arranging piece 3 can keep uniform and orderly forward movement at intervals, when the pulling force on the wire 2 is increased, the wire 2 respectively generates certain pressure on the three buffer frames, so that the supporting cylinders 802 of the buffer frames at two sides move downwards to press the corresponding compression springs 804, the buffer frame in the middle moves upwards to press the corresponding compression spring 804, and the compression spring 804 is gradually restored when the tension is reduced, so that the buffer effect is realized.

In the scheme, two sliding rods 803 at the front end and the rear end are vertically and fixedly mounted on the table top of the mounting table 807, and the sliding rod 803 in the middle is inversely mounted on the lower surface of the mounting position at the top of the mounting table 807.

Because the biggest pulling force value that equipment produced to wire rod 2 can be different and different according to wire winding motor rotational speed or wire winding mould 10 model, different equipment is also different to the buffer capacity demand of buffer 8, adjust buffer 8 according to actual conditions when for the convenience of use, this scheme still is equipped with the adjustable ring 808 with slide bar 803 screw-thread fit in the bottom of slide bar 803, compression spring 804 butt is between adjustable ring 808 and support section of thick bamboo 802, thereby adjust the position of adjustable ring 808 and just can carry out the performance regulation of buffer 8.

As shown in fig. 8 and 9, in this embodiment, a porcelain wire passing device 401, a first tension pulley 402 and a second tension pulley 403 are provided on the tension adjusting plate 4, after passing through the porcelain wire passing device 401, the wire 2 sequentially passes through the lower side of the first tension pulley 402 and the upper side of the second tension pulley 403, and an anti-jumping bar 405 is further provided on the upper right side of the second tension pulley 403.

Claims (9)

1. The tightening mechanism that the motor detours, its characterized in that:

the wire drawing machine comprises n wire drawing frames (1), wherein a wire drawing disc (101) is arranged on each wire drawing frame (1), and a wire (2) with the diameter d is wound on each wire drawing disc (101);

the wire (2) is wound on a winding machine (5) after sequentially passing through a tension adjusting plate (4), a wire arranging piece (3) and a furling piece (6);

a winding motor is arranged on the winding machine (5), a winding die (10) is mounted at the output end of the winding motor, and n wires are wound on the winding die (10) simultaneously after being furled into a row of multi-strand wires which are connected and arranged in a single layer by a furling piece (6);

the winding die (10) comprises a waist-shaped die core component (11) and two template components arranged on two sides of the die core component (11);

the circumferential side edge of the die core assembly (11) is clamped between the two template assemblies and is combined with the inner surfaces of the two template assemblies to form a wire storage groove, the width of the wire storage groove is s, and nd is less than (n +1) d.

2. The motor-wrap tightening mechanism of claim 1, wherein: the template assembly comprises four mutually independent rectangular plates (901) and two semi-arc plates (902), and the rectangular plates (901) and the semi-arc plates (902) are respectively detachably mounted on the die core assembly (11).

3. The motor-wrap tightening mechanism of claim 2, wherein: the upper and lower outer sides of the die core component (11) are respectively provided with a plurality of through grooves (1101) for the bandage to pass through, and the through grooves (1101) are arranged on the left and right sides of the die core component (11) in a through mode.

4. The motor-wound tightening mechanism according to claim 1, 2 or 3, characterized in that: the wire arranging piece (3) is horizontally provided with a row of wire arranging holes (301) with uniform intervals, and a wire (2) penetrates through each wire arranging hole (301).

5. The orbiting tensioning mechanism of the motor of claim 4, wherein: a strip-shaped threading hole (601) is horizontally arranged on the furling piece (6), and n horizontally connected limiting parts (602) are arranged in the threading hole (601);

the top and the bottom of the limiting part (602) are both in an arc shape attached to the cross section of the wire (2).

6. The motor-wrap tightening mechanism of claim 5, wherein: a buffer part (8) is arranged between the wire arranging part (3) and the furling part (6);

the buffer parts (8) comprise three buffer frames which are sequentially arranged along the moving direction of the wire rods, the wire rods (2) sequentially pass through the three buffer frames, and the buffer frame positioned in the middle and the other two buffer frames are reversely arranged up and down;

the buffer frame comprises a roller (801), two ends of a central shaft of the roller (801) are respectively and fixedly installed at the upper ends of two supporting cylinders (802), a sliding rod (803) is sleeved inside each supporting cylinder (802), and a compression spring (804) is sleeved after the sliding rod (803) penetrates out of the bottom of each supporting cylinder (802).

7. The motor-wrap tightening mechanism of claim 6, wherein: the outer edge of the roller (801) is provided with a plurality of circles of grooves (805), a fitting piece (806) is arranged above the roller (801), two ends of the fitting piece (806) are fixedly connected with the central shaft respectively, the lower surface of the fitting piece (806) is tightly attached to the roller (801), and the lower surface of the fitting piece (806) is provided with a plurality of arc-shaped grooves matched with the grooves (805).

8. The motor-wrap tightening mechanism of claim 7, wherein: the sliding rod (803) is positively or inversely fixed on the mounting table (807), a threaded section is arranged at the bottom of the sliding rod (803), an adjusting ring (808) is matched with the threaded section in a threaded manner, and the compression spring (804) is abutted between the adjusting ring (808) and the supporting cylinder (802).

9. The motor-wrap tightening mechanism of claim 8, wherein: the tension adjusting plate (4) is provided with a porcelain wire passing device (401), a first tension wheel (402) and a second tension wheel (403), after a wire (2) passes through the porcelain wire passing device (401), the wire passes through the lower portion of the first tension wheel (402) and the upper portion of the second tension wheel (403) in sequence, and the upper right side of the second tension wheel (403) is further provided with a wire jumping prevention rod (405).

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