CN213072408U - Double-layer staggered iron-free core linear motor - Google Patents
Double-layer staggered iron-free core linear motor Download PDFInfo
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- CN213072408U CN213072408U CN202022374511.3U CN202022374511U CN213072408U CN 213072408 U CN213072408 U CN 213072408U CN 202022374511 U CN202022374511 U CN 202022374511U CN 213072408 U CN213072408 U CN 213072408U
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Abstract
本实用新型公开一种双层错位的无铁芯线性马达，包括动子与定子，动子包括上层线圈以及下层线圈，上层线圈以及下层线圈均包括多个线圈，线圈的中心为空心，上层线圈与下层线圈在横向方向上错位，且下层线圈的实心部位填充满上层线圈的空心部位，上层线圈的实心部位填充满下层线圈的空心部位。采用双层线圈错位排列，把线圈中心的空隙填补，提高线性马达的槽满率，从而提高线性马达的推力密度，使得产生的推力更加均匀，波动更小；上层线圈与下层线圈之间设有固定板，通过点胶固定方式先将上层线圈与下层线圈分别固定在固定板上，再与安装架进行整体灌装，省略了先将线圈进行整体灌装的步骤，简化了工艺。
The utility model discloses a double-layer dislocation ironless linear motor, which comprises a mover and a stator, the mover includes an upper-layer coil and a lower-layer coil, the upper-layer coil and the lower-layer coil both include a plurality of coils, the center of the coil is hollow, and the upper-layer coil is hollow. It is displaced from the lower coil in the lateral direction, and the solid part of the lower coil fills the hollow part of the upper coil, and the solid part of the upper coil fills the hollow part of the lower coil. The double-layer coils are arranged in dislocation to fill the gaps in the center of the coils to improve the slot filling rate of the linear motor, thereby increasing the thrust density of the linear motor, making the generated thrust more uniform and less fluctuating; the upper coil and the lower coil are provided with For the fixing plate, the upper coil and the lower coil are first fixed on the fixing plate by dispensing and fixing method, and then the whole filling is carried out with the installation frame, which omits the step of filling the coil as a whole and simplifies the process.
Description
Technical Field
The utility model relates to a linear electric motor field especially relates to a no iron heart yearn nature motor of double-deck dislocation.
Background
The linear motor can directly convert electric energy into linear motion, all the intermediate transmission links from a rotary motor to a workbench in the prior art are eliminated, the feeding system can directly drive a load, and the linear motor has the characteristics of high speed and high precision, and is greatly required to be used in the semiconductor equipment industry, the electronic production equipment industry, the laser cutting industry, the photoetching industry and the precision detection and processing industry. With the development of high-end manufacturing industry in China, the application requirement of the linear motor is higher and higher, and the performance requirement of the linear motor is also higher and higher.
Linear motors are generally divided into two categories, ironless linear motors and ironed linear motors. The ironless core linear motor comprises a rotor, a stator and other components, wherein the rotor comprises a mounting frame and a plurality of coils, and the coils are mounted on the mounting frame. Be equipped with a plurality of permanent magnets in the stator, when active cell and stator cooperation, the coil circular telegram for the active cell can remove for the stator by the electromagnetic induction principle, thereby realizes linear motion.
The mover of the existing linear motor is generally a single-layer coil structure, and has the following defects:
1. the coil center is provided with a gap which is occupied space of a coil mould, so that the slot filling rate is reduced, the thrust density is low, the thrust is uneven, and the structural rigidity is weak;
2. in the single-layer coil structure, the coil needs to be molded by one-time glue pouring, then can be assembled with the mounting frame, and is integrally fixed by integral glue pouring, and as glue pouring is carried out on the coil firstly, the well-known glue pouring process is troublesome, and a lot of burden is increased by one-step glue pouring procedure;
3. the coil can generate heat at the in-process of work, when the coil is overheated, can lead to whole linear motor's operation to go wrong, and current linear motor does not generally set up temperature-sensing and refrigerated structure, is difficult to guarantee linear motor's long-time steady operation.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, providing a no iron core line linear motor of double-deck dislocation, optimizing linear motor's performance.
The technical scheme of the utility model as follows: the utility model provides a no iron heart yearn nature motor of double-deck dislocation, includes active cell and stator, the active cell includes upper coil and lower floor's coil, upper coil and lower floor's coil all are including arranging a plurality of coils of one row, the center of coil is hollow, the structure and the dimensional parameter of upper coil and lower floor's coil are unanimous completely, upper coil and lower floor's coil misplace on the transverse direction, and the solid position of lower floor's coil fills up the hollow position that is full of upper coil, and the solid position of upper coil fills up the hollow position of lower floor's coil.
Furthermore, the upper coil and the lower coil are staggered by an electrical angle on a motor phase vector.
Further, the active cell still includes mounting bracket and fixed plate, upper coil and lower floor's coil are erects the form and locate on the mounting bracket, the fixed plate is erects the form and locates on the mounting bracket and the fixed plate is located between upper coil and the lower floor's coil, upper coil and lower floor's coil are fixed on the fixed plate.
Furthermore, the upper-layer coil and the lower-layer coil are fixed on the fixing plate in a dispensing and bonding mode.
Further, be equipped with first recess on the mounting bracket, upper coil, lower floor's coil and fixed plate erect the embedding in first recess, upper coil, lower floor's coil, mounting bracket and fixed plate carry out the monolithic stationary through the encapsulating.
Furthermore, the potting adhesive is epoxy resin, and glass fiber powder is added into the epoxy resin.
Furthermore, a temperature sensor is arranged on the fixing plate corresponding to the hollow part of the upper-layer coil or the lower-layer coil.
Further, the inside cooling tube that is equipped with of mounting bracket, cooling tube is the U type, and its third pipeline including being horizontal first pipeline and the second pipeline that sets up and being connected first pipeline and second pipeline, the one end of first pipeline and second pipeline extends to the external world and is connected with condenser tube joint.
Furthermore, a second groove is formed in the mounting frame, and a Hall sensor is arranged in the second groove.
Further, the mounting bracket is made of FR4 material, on which the connection lines of the upper coil, the lower coil and the temperature sensor are pre-arranged.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the coreless linear motor adopts the staggered arrangement of the double-layer coils, the gap at the center of the coils can be filled, and the slot filling rate of the linear motor is improved, so that the thrust density of the linear motor is improved, and the thrust generated by the upper-layer coil and the lower-layer coil is compensated mutually, so that the generated thrust is more uniform and the fluctuation is smaller;
2. the fixing plate is arranged between the upper-layer coil and the lower-layer coil of the coreless linear motor, the upper-layer coil and the lower-layer coil are respectively fixed on the fixing plate in a dispensing fixing mode and then are integrally filled with the mounting frame, so that the step of integrally filling the coils is omitted, and the process is simplified;
3. the linear motor can be protected from being damaged due to overheating by the built-in temperature sensor;
4. the heat dissipation function of the system can be increased through the built-in cooling pipeline, and the power of the system is greatly improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a schematic structural diagram of the mounting rack of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the present invention provides a dual-layer staggered ironless core linear motor, which includes a rotor and a stator, wherein the rotor includes an upper coil 1 and a lower coil 2, the upper coil 1 and the lower coil 2 include a plurality of coils arranged in a row, each coil is wound into a circle, the center of each coil is hollow 100, and when the rotor moves relative to the stator, no interference is formed between adjacent coils, thereby avoiding generating additional driving force. The structure and the size parameter of the upper coil 1 and the lower coil 2 are completely consistent, the upper coil 1 and the lower coil 2 are staggered in the transverse direction, the solid part of the lower coil 2 is filled with the hollow part 100 of the upper coil 1, the solid part of the upper coil 1 is filled with the hollow part 100 of the lower coil 2, the hollow part 100 of the coil center is filled through staggered arrangement of the double coils, the groove filling rate of the linear motor is improved, and therefore the thrust density of the linear motor is improved.
In this embodiment, the upper coil 1 and the lower coil 2 are offset by an electrical angle on the phase vector of the motor. Because the upper coil 1 and the lower coil 2 are subjected to dislocation processing on the phase, the thrust generated by the upper and lower coils can be mutually compensated, so that the generated thrust is more uniform and the fluctuation is smaller.
The active cell still includes mounting bracket 3 and fixed plate 4, upper coil 1 and lower floor's coil 2 are erect the form and locate on the mounting bracket 3. The fixed plate 4 is erect the form and locates on the mounting bracket 3 and fixed plate 4 are located between upper coil 1 and lower floor's coil 2, upper coil 1 is fixed with lower floor's coil 2 on the fixed plate 4.
The upper-layer coil 1 and the lower-layer coil 2 are fixed on the fixing plate 4 in a dispensing and bonding mode. Be equipped with first recess 31 on the mounting bracket 3, upper coil 1, lower floor's coil 2 and fixed plate 4 erect the embedding in the first recess 31, upper coil 1, lower floor's coil 2, mounting bracket 3 and fixed plate 4 carry out the monolithic stationary through the encapsulating. Among traditional individual layer coil structure, carry out one time the encapsulating shaping with the coil earlier, then just can assemble with the mounting bracket, and the rethread encapsulating carries out monolithic stationary, has just so increased one step more encapsulating molding process. And the utility model discloses in, fix upper coil 1 and lower floor's coil 2 respectively at the both sides face of fixed plate 4 through the glue mode earlier and assemble an entirety with upper coil 1 and lower floor's coil 2 and fixed plate 4, then carry out whole filling shaping with mounting bracket 3, saved the process of one step of encapsulating, simplified technology greatly. Moreover, since the upper coil 1 and the lower coil 2 are firmly fixed by the intermediate fixing plate 4, the rigidity of the whole structure is improved. The epoxy resin AB glue is adopted for glue filling, and the glass fiber powder is added into the epoxy resin, so that the rigidity of the linear motor is improved. Because the rigidity is enhanced, the response of the ironless core linear motor is better, and higher acceleration, speed and precision can be achieved.
The fixing plate 4 is provided with a temperature sensor 5 corresponding to the hollow part 100 of the upper coil 1 or the lower coil 2, the temperature sensor 5 can sense the temperature of the coil and send the sensed temperature value to the control system of the linear motor, the control system monitors the coil according to the real-time obtained temperature value, when the monitored temperature is higher than a set standard value, the control system controls the linear motor to stop running, and the stable running of the linear motor is prevented from being influenced by overhigh temperature.
Referring to fig. 4, a cooling pipe is disposed inside the mounting frame 3, the cooling pipe is U-shaped, and includes a first pipe 61 and a second pipe 62 which are transversely disposed, and a third pipe 63 which connects the first pipe 61 and the second pipe 62, and one ends of the first pipe 61 and the second pipe 32 extend to the outside and are connected to a cooling water pipe joint 64. Through set up cooling tube on mounting bracket 3, can increase the heat dispersion of system, improve the power of system greatly. And the cooling pipeline has simple structure and is easy to manufacture and assemble.
A second groove 32 is formed in the mounting frame 3, and a hall sensor 7 is arranged in the second groove 32. Firstly, the Hall sensor 7 and the circuit are integrated on a tiny circuit board, and then the Hall sensor module is integrally placed in the second groove 32, so that the structure is convenient to install and simple to use.
The mounting rack 3 is made of FR4 material, and the connecting circuit of the upper coil 1, the lower coil 2 and the temperature sensor 5 is arranged on the mounting rack in advance, so that the process is simplified, the wire welding time of workers is saved, and the qualification rate and the production efficiency are improved.
To sum up, the utility model discloses following beneficial effect has:
1. the coreless linear motor adopts the staggered arrangement of the double-layer coils, the gap at the center of the coils can be filled, and the slot filling rate of the linear motor is improved, so that the thrust density of the linear motor is improved, and the thrust generated by the upper-layer coil and the lower-layer coil is compensated mutually, so that the generated thrust is more uniform and the fluctuation is smaller;
2. the fixing plate is arranged between the upper-layer coil and the lower-layer coil of the coreless linear motor, the upper-layer coil and the lower-layer coil are respectively fixed on the fixing plate in a dispensing fixing mode and then are integrally filled with the mounting frame, so that the step of integrally filling the coils is omitted, and the process is simplified;
3. the linear motor can be protected from being damaged due to overheating by the built-in temperature sensor;
4. the heat dissipation function of the system can be increased through the built-in cooling pipeline, and the power of the system is greatly improved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374511.3U CN213072408U (en) | 2020-10-22 | 2020-10-22 | Double-layer staggered iron-free core linear motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374511.3U CN213072408U (en) | 2020-10-22 | 2020-10-22 | Double-layer staggered iron-free core linear motor |
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| Publication Number | Publication Date |
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| CN213072408U true CN213072408U (en) | 2021-04-27 |
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| CN202022374511.3U Active CN213072408U (en) | 2020-10-22 | 2020-10-22 | Double-layer staggered iron-free core linear motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217368A (en) * | 2020-10-22 | 2021-01-12 | 阿斯科纳科技（深圳）有限公司 | A double-layer dislocation ironless linear motor |
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2020
- 2020-10-22 CN CN202022374511.3U patent/CN213072408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217368A (en) * | 2020-10-22 | 2021-01-12 | 阿斯科纳科技（深圳）有限公司 | A double-layer dislocation ironless linear motor |
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Effective date of registration: 20210723 Address after: 215104 No. 52, tiandang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan Control Technology Co.,Ltd. Address before: 518000 Room 101, building 1, COFCO (Fu'an) robot intelligent manufacturing industrial park, No.90 Dayang Road, Dayangtian community, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: ASCONA TECHNOLOGY (SHENZHEN) Co.,Ltd. |