TWI786622B - Electromagnetic mechanism - Google Patents

Abstract

The present invention provides an electromagnetic mechanism, comprising a box and a needle selection structure set in the box. The needle selection structure includes a seat set in the box, at least one coil, and at least one needle selection element. At least one grooves is interval mounted on the coil seat, which can arrange the coil therein, and the heights of the two adjacent coils are different. Each needle selection element, arranged corresponding to each coil, includes a magnet which height corresponding to the each coil.

Description

Electromagnetic brake mechanism

A braking mechanism for selecting textile fibers, especially an electromagnetic braking mechanism.

A brake mechanism currently used in a textile machine utilizes a horizontal arrangement and combination of a plurality of coil core structures, so as to drive a plectrum to swing by energizing and generating a magnetic field direction, thereby generating knitting needle movement. The coil core structures are arranged horizontally, and a magnetic isolation element must be added between the coil core structures to prevent the adjacent coil core structures from interfering with each other after being energized. It affects the swing of the plectrum, and when the brake mechanism is to be configured with a plurality of rows of the coil core structure, the magnetic isolation element is especially important. However, the arrangement of the magnetic isolation element often results in a complex overall structure and a large volume of the braking mechanism, which not only causes complicated manufacturing processes and cannot effectively utilize equipment space, but also causes waste of materials. In view of this, developing a braking mechanism with simple manufacturing process, efficient use of space and low magnetic field interference is a goal that the textile industry attaches great importance to.

In order to develop a brake mechanism with simple manufacturing process, efficient use of space, and low magnetic field interference, the present invention provides an electromagnetic brake mechanism, which includes a body and at least one plectrum structure set installed on the body.

Wherein, the body is a boxed structure, and the interior can be defined as an installation space. One side of the body includes a needle holder that can be detachably combined with the body. The needle holder is a board, and the needle holder is along the horizontal direction There are a plurality of holes arranged at intervals, and the plurality of positioning holes are perforated on one side of the body adjacent to the needle seat relative to the positions of the holes.

Wherein, the plectrum structure group includes a coil base, a plurality of coil devices and a plurality of plectrum parts, the coil base is arranged in the installation space, and a plurality of grooves are recessed at intervals in the elongation direction, each Each of the coil devices is placed in the groove, and the depth configuration of the two adjacent coil devices is different; each of the plectrums is arranged at intervals corresponding to each of the coil devices, and it includes a plectrum seat and a plectrum. , a mandrel and a magnet, the plectrum protrudes from one end of the plectrum seat, and its free end protrudes through the corresponding hole from the main body; the mandrel is vertically installed on the plectrum seat, And it is rotatably installed in the corresponding positioning hole; the magnet is arranged at the other end of the dial seat opposite to the dial, and it corresponds to the coil device.

Among them, there are two plectrum structure groups, including two plectrum structure groups, the two plectrum structure groups are relatively arranged up and down, and at least one of the coil device and the plectrum in the two plectrum structures Horizontal dislocation settings.

Wherein, the depth configurations of the adjacent coil devices are arranged in a manner of one deep and one shallow interval.

Wherein, one side of the pick seat is L-shaped in view angle, and the pick seat defining the L shape includes a relatively long side and a relatively short side at the opposite end, wherein the pick protrudes from the relatively long side , the magnet is arranged on the relatively short side.

Furthermore, the pick seat can be made of a plastic material, and the pick seat, the pick piece and the mandrel can be integrally formed by injection of different materials.

Further, the coil seat is made of a magnetic isolation material.

Further, each of the grooves corresponds to the depth of each of the coil devices in a recessed shape with one deep and one shallow interval.

Further, the coil seat is a magnetically permeable metal plate which is stamped and formed to form the groove, and the magnetically permeable metal plates of two adjacent grooves are superimposed and contacted.

The electromagnetic braking mechanism provided by the present invention can achieve the following advantages: 1. Two adjacent coil devices have different depth configurations, so that the electromagnetic field generated by each coil device will not affect each other after being energized. 2. The selection of the coil seat and the material of the coil seat makes the electromagnetic braking mechanism of the present invention need not be equipped with too many magnetic isolation materials, effectively reducing the volume and achieving space utilization. 3. The coil seat can directly realize the characteristic of magnetic isolation after the electromagnetic field is generated by each coil device, and prevent the mutual interference of the electromagnetic field generated by the adjacent coil devices after energization. 4. The L-shaped pick seat only needs to be made through a set of molds, and the structural relationship of the coil devices corresponding to the depth intervals of the present invention and the neatly spaced arrangement of the picks in the horizontal direction can be achieved at the same time. 5. The two paddle structure groups are set up and down relative to each other and misplaced, so that there will be no magnetic field interference between the upper and lower coil devices, which will affect the swing of each paddle.

Please refer to Figure 1 and Figure 2, which are preferred embodiments of the electromagnetic braking mechanism provided by the present invention, which include a body 10 and at least one paddle structure group 20 installed on the body 10, the body 10 is a box The installation structure, and one side is an open end with an opening 11. The interior of the main body 10 can be defined as an installation space, the main body 10 includes a needle base 12, at least one positioning seat 13 and a driving circuit 14, the needle base 12 is a board, and the needle base 12 can be placed on the open end Detachably combined with the body 10 and covering the opening 11 , the needle holder 12 is arranged with a plurality of holes 121 at intervals along the horizontal direction.

At least one of the positioning seats 13 is a plate body, the positioning seat 13 is arranged on one side of the body 10 adjacent to the opening 11, and its plane is relatively vertical to the needle hub 12, the length direction of the positioning seat 13 is in line with the horizontal The plurality of holes 121 arranged at intervals are parallel, and the positioning seat 13 is vertically pierced with a plurality of positioning holes 131 relative to the positions of the plurality of holes 121 . The driving circuit 14 is accommodated in the installation space, and is electrically connected to drive the paddle structure set 20 .

Please refer to FIG. 3 , the plectrum structure group 20 includes a coil base 21, a plurality of coil devices 22 and a plurality of plectrum pieces 23, and a plurality of grooves 211 are recessed at intervals in the elongation direction of the coil base 21, each The coil device 22 can be accommodated in the groove 211, the coil seat 21 is arranged in the installation space, and its length direction is parallel to the needle seat 12, the coil seat 21 can be screwed to the body 10, so that The whole is more stable. Preferably, the coil base 21 is made of a magnetic isolation material. In this embodiment, the coil base 21 is a magnetically conductive metal plate formed by stamping to form the groove 211, and two adjacent The magnetically permeable metal plates in the groove 211 are superimposed and in contact with each other.

Please refer to FIG. 5 , each of the coil devices 22 includes a coil 221 , a magnetic core 222 and a wire 223 , the coil 221 is wound with a copper wire to form a hollow cylindrical structure, and the magnetic core 222 is passed through the coil 221 In the middle, the connecting wire 223 protrudes toward one end of the coil 221, and each coil 221 is electrically connected to the driving circuit 14 through the connecting wire 223. In this embodiment, the cross section of the magnetic core 222 is a rectangle or an ellipse shape, and the coil 221 is wound and wrapped corresponding to the shape of the magnetic core 222, so that the aspect ratio of the overall section of the coil device 22 is not equal to 1. When the coil 221 formed by winding copper wire and the magnetic core 222 are energized, each coil device 22 generates an electromagnetic field through the principle of right-handed Ampère's rule, wherein each coil device 22 is formed according to the adjustable form of the driving circuit 14 This electromagnetic field in different directions.

Each of the coil devices 22 is accommodated in the grooves 211 arranged at intervals, and one end protruding from the connecting wire 223 faces the driving circuit 14 , and the other end of each coil device 22 faces the open end. Wherein, the two adjacent coil devices 22 have different distances from the opening ends of the grooves 211, in other words, the two adjacent coil devices 22 have different distances from the openings of the grooves 211 The one-depth configuration of the end is different. In this embodiment, the depths of the adjacent coil devices 22 are arranged at intervals of one deep and one shallow, so that the adjacent coil devices 22 will not affect the electromagnetic field generated by each other after electrification.

Preferably, the material of the coil base 21 can be made of a magnetic isolation material, so that the coil base 21 can realize the characteristics of magnetic isolation after each coil device 22 generates an electromagnetic field, and the magnetic isolation material can be made of iron. , cobalt or zinc and other materials, so that the coil base 21 can prevent the mutual interference of the electromagnetic field generated by the adjacent coil devices 22 after being energized, and each groove 211 corresponds to each of the coil devices 22 The deep molding makes each of the grooves 211 fully support each of the coil devices 22 to achieve a relatively stable structural relationship.

Please refer to FIG. 4 , each of the pick pieces 23 includes a pick seat 231 , a pick piece 232 , a mandrel 233 and a magnet 234 , the pick seat 231 can be integrally injection molded by plastic, and the pick piece 232 is protrudingly disposed. At one end of the pick seat 231, the mandrel 233 is vertically installed on the pick seat 231, and the other end of the pick seat 231 opposite to the pick plate 232 is provided with the magnet 234, and the left and right sides of the magnet 234 The two ends are an N pole and an S pole respectively. The pick base 231 , the pick 232 and the mandrel are integrally formed by injection of different materials, which makes the overall manufacturing process simple.

Each of the pick pieces 23 is arranged at the opening end at intervals, and each of the magnets 234 is respectively corresponding to each of the coil devices 22 and the magnetic core 222 with different depths, wherein the magnetic pole directions of each of the magnets 234 are the same; Each of the plectrums 232 passes through the holes 121 arranged horizontally at intervals on the needle base 12, and the free ends of each of the plectrums 232 protrude from the opening 11. At this time, each of the plectrums 232 is neatly spaced horizontally. Arrangement; the mandrel 233 is rotatably installed in each of the positioning holes 131, so that each of the pick members 23 can rotate with the mandrel 233 as the axis, but because each of the picks 232 is passed through each of the holes 121 According to the structural relationship, each of the pick members 23 is restricted by each of the holes 121, and can only swing left and right at a limited angle. Each of the coil devices 22 generates the electromagnetic field according to the drive circuit 14 after being powered on. At this time, the magnet 234 on each of the pick members 23 swings leftward or rightward with the mandrel 233 as the center corresponding to the direction of the electromagnetic field.

Preferably, one side of the dial seat 23 has an L-shaped viewing angle, and the dial seat 23 further defining the L-shape includes a relatively long side 235 and a relatively short side 236 at the opposite end, wherein the dial The piece 232 protrudes from the relatively long side 235 , and the magnet 234 is disposed on the relatively short side 236 . In this way, when the pick seat 23 needs to be assembled corresponding to each of the coil devices 22 arranged at the depth interval, it only needs to rotate the pick seat 23 by 180 degrees, so that the relatively short side 236 faces downward or upward, and this can be realized. The magnets 234 correspond to the respective coil devices 22 arranged at intervals of the depth.

The L-shaped pick base 23 only needs to be made through a mold during the injection process, and attention should be paid to the direction of the pick 232 and the magnet 234 when they are installed on the pick base 23, so that the corresponding aspect of the present invention can be achieved at the same time. The structural relationship of the coil devices 22 arranged at intervals in depth, and the orderly arrangement of the plectrums 232 in the horizontal direction.

In the embodiment of the present invention, the needle holder 12 may include a first plate 122 and a second plate 123, and one of the long sides of the first plate 122 and one of the long sides of the second plate 123 can be combined up and down correspondingly. , wherein, the long side of the first plate 122 is provided with a plurality of notches at intervals, and when the first plate 122 is combined with the second plate, each of the notches can be defined as the positioning holes 131 , so that the electromagnetic braking mechanism provided by the present invention has a simple structure and is convenient to assemble.

In the second embodiment provided by the present invention, there are two plectrum structure groups 20, and the two plectrum structure groups 20 are arranged on the open end of the main body 10 and are respectively connected to the two plectrum structure groups on opposite sides. The positioning seats 13 are arranged correspondingly, wherein at least one of the coil devices of the two plectrum structures and the plectrums are arranged in a lateral direction. The needle hub 12 includes the first plate 122 and two second plates 123 , and the two long sides of the first plate 122 are respectively combined with one of the long sides of the two second plates 123 up and down. The two long sides of the first plate 122 are provided with a plurality of notches corresponding to the positions of the picks 232 of the plectrum structure group 20 at intervals. When the first plate 122 corresponds to the two second plates When combined, each of the notches can form each of the positioning holes 131 and allow each of the pick pieces 232 to pass through. The configuration of the two plectrum structure groups 20 is relatively up and down and misplaced, so that when the two plectrum structure groups 20 are energized, there will be no magnetic field interference between the upper and lower coil devices 22, which will affect each of the plectrums. Pieces 232 swing.

The electromagnetic braking mechanism provided by the present invention can achieve the following advantages: 1. The two adjacent coil devices 22 are configured differently in depth, so that the coil devices 22 will not affect the electromagnetic field generated by each other after being energized. 2. The coil base 21 and the material selection of the coil base 21 make the electromagnetic braking mechanism of the present invention need not be provided with too many magnetic isolation materials, effectively reducing the volume and achieving space utilization. 3. The coil base 21 can directly realize the characteristic of magnetic isolation after each coil device 22 generates an electromagnetic field, and prevents the problem of mutual interference of the electromagnetic fields generated by the adjacent coil devices 22 after energization. 4. The L-shaped pick seat 21 only needs to be made through a set of molds, and the structural relationship of the coil devices 22 corresponding to the depth intervals of the present invention and the neat spacing in the horizontal direction of the picks 232 can be achieved at the same time arrangement. 5. The two paddle structure groups 20 are set up and down relative to each other and misplaced, so that there will be no magnetic field interference between the upper and lower coil devices 22, which will affect the swing of each paddle 232.

10 body 11 openings 12-pin header 121 holes 122 first sheet 123 second plate 13 positioning seat 131 positioning hole 14 drive circuit 20 paddle structure group 21 coil seat 211 Groove 22 coil device 221 coil 222 core 223 connecting wire 23 pick pieces 231 paddle seat 232 paddles 233 mandrel 234 magnet 235 relatively long sides 236 relatively short side

Figure 1 is a perspective view of the appearance of a preferred embodiment of the present invention Fig. 2 is a diagram of the internal structure of a preferred embodiment of the present invention Fig. 3 is a partial structural exploded view of a preferred embodiment of the present invention Fig. 4 is the perspective view of the first structure of the preferred embodiment of the present invention Fig. 5 is the perspective view of the second structure of the preferred embodiment of the present invention

10: Ontology

11: opening

12: Needle seat

121: hole

122: The first plate

123: Second plate

13: Positioning seat

131: positioning hole

23: Pick piece

232: pick

Claims (8)

An electromagnetic braking mechanism, which includes two paddle structure groups, the two paddle structure groups are arranged relatively up and down, each of the paddle structure groups includes a coil seat, a plurality of coil devices and a plurality of paddle parts, the The coil seat is provided with a plurality of grooves at intervals in the elongation direction, and each of the grooves is equipped with the coil device, and the two adjacent coil devices are arranged at a depth relative to the open end of each groove. Different; each of the plectrums is arranged at intervals corresponding to each of the coil devices, and it includes a plectrum seat, a plectrum, a mandrel and a magnet, and the plectrum is protruded from one end of the plectrum seat; the mandrel The vertical direction is passed through the plectrum seat; the magnet is arranged on the other end of the plectrum seat opposite to the plectrum, and it corresponds to the coil device, wherein at least one of the two plectrum structures facing up and down The coil device and the plectrum are mutually displaced in a lateral direction. In the electromagnetic brake mechanism as described in Claim 1, the depths of the adjacent coil devices are arranged at intervals of one deep and one shallow, and the aspect ratio of the section of the coil device is not equal to 1. According to the electromagnetic brake mechanism described in claim 1 or 2, the coil seat is made of a magnetic isolation material. According to the electromagnetic brake mechanism described in claim 3, the paddle seat is made of a plastic material, and the paddle seat, the paddle, and the mandrel are integrally formed by injection of different materials. As for the electromagnetic brake mechanism described in claim 4, one side of the paddle holder is L-shaped, and the paddle holder defining the L-shape includes a relatively long side and a relatively short side at the opposite end, wherein the The plectrum protrudes from the relatively long side, and the magnet is disposed on the relatively short side. As for the electromagnetic brake mechanism described in claim 5, each of the grooves corresponds to the depth of each of the coil devices, and the recessed shape of the depth-deep-shallow interval. The electromagnetic brake mechanism as described in claim 6, which includes a body, the paddle structure group is detachably arranged on the body, the body is a boxed structure, and the inside can be defined as an installation space Between them, one side of the body includes a needle base that can be detached and combined with the body. The position is pierced on one side of the main body adjacent to the needle seat, wherein: the coil seat is arranged in the installation space; the free ends of each plectrum protrude out of the main body through the corresponding hole; and each of the The mandrel is rotatably passed through the corresponding positioning holes. As for the electromagnetic brake mechanism described in Claim 3, the coil base is a magnetically conductive metal plate that is punched to form the groove, and the magnetically conductive metal plates in two adjacent grooves are superimposed and contacted.

Images