CN111384837A - Automation equipment, linear motor primary and assembly method thereof - Google Patents
Automation equipment, linear motor primary and assembly method thereof Download PDFInfo
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- CN111384837A CN111384837A CN202010337734.4A CN202010337734A CN111384837A CN 111384837 A CN111384837 A CN 111384837A CN 202010337734 A CN202010337734 A CN 202010337734A CN 111384837 A CN111384837 A CN 111384837A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 210000004489 deciduous teeth Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- Iron Core Of Rotating Electric Machines (AREA)
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Abstract
The invention relates to the field of linear motors, and provides automation equipment, a linear motor primary and an assembly method thereof. The invention provides a linear motor primary which comprises a primary iron core, wherein the primary iron core comprises a tooth part unit and a yoke part unit, the tooth part unit comprises at least two annular teeth, each annular tooth is distributed along the axial direction, the partial position of the radial inner side end of each annular tooth is fixedly connected with the partial position of the radial inner side end of the adjacent annular tooth, and the radial outer side end of each annular tooth is fixedly connected with the yoke part unit. The linear motor comprises the linear motor primary, and the automation equipment comprises the linear motor. Thus, the insulating framework and the winding are conveniently installed in the space between the radial outer side of the tooth part unit and the interval space, the winding difficulty of the winding is favorably reduced, the groove filling rate is favorably improved, the thrust performance of the linear motor is favorably improved, in addition, the magnetic leakage is favorably reduced, and the thrust performance of the linear motor is further favorably improved.
Description
Technical Field
The invention relates to the field of linear motors, in particular to automation equipment, a linear motor primary and an assembly method thereof.
Background
In order to reduce the cogging force of the motor, the cogging of the primary core is designed to be in a semi-closed form in the prior art, however, the difficulty of winding on the primary core is high.
In order to solve the above problems, german patent application publication No. DE102014220148a1 has a split type of tooth unit and yoke unit of a primary core, so that the tooth unit is wound from the back of the tooth unit, and the tooth unit and yoke unit are assembled after the winding of the tooth unit is completed.
However, in the linear motor having the ring-shaped primary teeth, particularly in the primary having the teeth located radially inward of the yoke, the primary coil is wound in the space between the respective ring-shaped teeth, and thus the winding cannot be performed for the individual ring-shaped tooth units.
Disclosure of Invention
One of the objectives of the present invention is to provide a primary stage of a linear motor with low difficulty in winding operation and good thrust performance.
In order to achieve the purpose, the primary of the linear motor provided by the invention comprises a primary iron core, an insulating framework and a winding; the primary iron core comprises a tooth part unit and a yoke part unit, the tooth part unit comprises at least two annular teeth, each annular tooth is distributed along the axial direction, the partial position of the radial inner side end of each annular tooth is fixedly connected with the partial position of the radial inner side end of the adjacent annular tooth, and the radial outer side end of each annular tooth is fixedly connected with the yoke part unit; and a spacing space is arranged between each annular tooth, the winding is wound in the spacing space along the circumferential direction, and the insulating framework is separated between the winding and the primary iron core.
Therefore, the yoke part unit and the tooth part unit are respectively arranged through the primary structural design of the linear motor, and the tooth part unit and the yoke part unit are integrated before being assembled, so that the insulating framework and the winding are convenient to install from the radial outer side of the tooth part unit to the space, the installation difficulty of the insulating framework is favorably reduced, the winding difficulty of the winding is favorably reduced, the slot filling rate is favorably improved, the thrust performance of the linear motor is favorably improved, in addition, the radial inner side ends of adjacent annular teeth are not completely connected, the magnetic leakage is favorably reduced, and the thrust performance of the linear motor is further favorably improved.
Preferably, the connecting portion between two adjacent annular teeth has a central angle of 180 ° or less.
Therefore, the magnetic leakage is reduced, and the thrust performance of the linear motor is improved.
Another preferred solution is that two adjacent ring-shaped teeth are fixedly connected at least at two circumferentially distributed positions.
As can be seen from the above, this is favorable to promoting the structural strength and the stability of tooth portion unit, is favorable to reducing the deformation of tooth portion unit.
Further, the sum of the central angles of the connecting parts between two adjacent annular teeth is less than or equal to 180 degrees.
In a further preferred embodiment, the tooth unit is formed by at least two segments.
Therefore, the processing difficulty of the tooth part unit is favorably reduced, and the primary economy of the linear motor is favorably improved.
In another preferred embodiment, the tooth unit includes a first segment and a second segment, the first segment has at least two segments, the first segment is a first arc-shaped tooth segment, the second segment has at least two second arc-shaped tooth segments, each second arc-shaped tooth segment is distributed along the axial direction, a radial inside end of each second arc-shaped tooth segment is fixedly connected with a radial inside end of an adjacent second arc-shaped tooth segment, and the first segment and the second arc-shaped tooth segments are spliced to form an annular tooth.
Therefore, the processing difficulty of the tooth part unit is favorably reduced, and the economical efficiency is favorably improved; in addition, because the connecting positions between the annular tooth sections are not blocked, the section of the connecting position of each second arc-shaped tooth section is favorably arranged to be smaller, the magnetic leakage is further favorably reduced, and the thrust performance of the linear motor is favorably improved; meanwhile, the mounting positions of the splicing blocks are ensured to be accurate and stable.
The further proposal is that the first segment is formed by overlapping a plurality of silicon steel sheets distributed along the circumferential direction, and/or the second segment is formed by overlapping a plurality of silicon steel sheets distributed along the circumferential direction.
Therefore, the machining difficulty of the tooth part unit is further reduced, and the economical efficiency is improved.
In a further aspect, the radial inner end of the first segment has a tooth shoe extending along a circumferential edge of the radial inner end of the first segment, the tooth shoe protrudes axially toward the adjacent annular tooth, and a gap is provided between the tooth shoes of two adjacent annular teeth.
Therefore, the design of the tooth boots is beneficial to reducing the tooth space force of the linear motor and further beneficial to improving the thrust performance of the linear motor.
In a further scheme, the first segment is connected with the second arc-shaped tooth section in an adhesive manner.
The second split blocks are at least two, each second split block is distributed along the circumferential direction, each annular tooth is formed by splicing at least two first split blocks and at least two second arc-shaped tooth sections, and in the same annular tooth, each first split block and each second arc-shaped tooth section are distributed in a staggered mode.
As can be seen from the above, this is advantageous for improving the structural stability of the tooth unit and for improving the positional accuracy of each segment.
In another preferred embodiment, the insulating framework is formed by splicing at least two arc-extending groove sections in an interval space, the insulating framework is provided with an annular groove with a notch facing to the radial outer side, and the winding is wound in the annular groove of the insulating framework.
Therefore, the installation difficulty of the insulating framework is favorably reduced, and the structural stability of the insulating framework is favorably improved.
The second objective of the present invention is to provide a method for assembling a primary of a linear motor, which has low difficulty in winding the primary and good thrust performance of the linear motor.
In order to achieve the above object, the present invention provides a linear motor assembly method for assembling the primary stage of the linear motor, the method comprising: installing an insulating framework in the interval space; winding the insulating framework to form a winding; a yoke unit is connected to a radially outer end of each of the annular teeth.
Therefore, the insulating framework and the winding are convenient to mount in the interval space from the radial outer side of the tooth part unit, the mounting difficulty of the insulating framework is favorably reduced, the winding difficulty of the winding is favorably reduced, the full rate of the groove is favorably improved, and the thrust performance of the linear motor is favorably improved.
The invention also aims to provide a linear motor with lower difficulty in primary winding operation and better thrust performance.
In order to achieve the above object, the present invention provides a linear motor including the aforementioned linear motor primary.
Therefore, the primary linear motor is adopted, so that the insulating framework and the winding are conveniently installed in the space from the radial outer side of the tooth part unit to the space, the installation difficulty of the insulating framework is favorably reduced, the winding difficulty of the winding is favorably reduced, the groove filling rate is favorably improved, and the thrust performance of the linear motor is favorably improved.
The invention aims to provide the automatic equipment with lower difficulty in primary winding operation of the linear motor and better thrust performance of the linear motor.
In order to achieve the above object, the present invention provides an automation apparatus including the aforementioned linear motor.
Drawings
FIG. 1 is a block diagram of an embodiment of a linear motor of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of a linear motor of the present invention;
fig. 3 is a structural view of a tooth unit in a primary embodiment of a linear motor according to the present invention;
FIG. 4 is a block diagram of a second segment of the primary embodiment of the linear motor of the present invention;
FIG. 5 is a block diagram of a first segment at an axial end of a primary embodiment of a linear motor of the present invention;
fig. 6 is a block diagram of a first segment located at the axial middle of a primary embodiment of a linear motor of the present invention;
FIG. 7 is a block diagram of a slot segment in a primary embodiment of a linear motor of the present invention;
fig. 8 is a structural view of a half cylinder in the primary embodiment of the linear motor of the present invention.
Detailed Description
Primary embodiment of linear motor:
referring to fig. 1 and 2, a primary 1 of a linear motor of the present embodiment includes a primary iron core 11, an insulating skeleton 12, and a winding 13, where the primary iron core 11 includes a yoke unit 111 and a tooth unit 112, the tooth unit 112 has seven annular teeth, and referring to fig. 3, each annular tooth of the present embodiment is formed by splicing a first segment 1121 and a second arc-shaped tooth segment 11221, each annular tooth is distributed along an axial direction, the yoke unit 111 is a cylindrical structure, the yoke unit 111 includes two column-arc-plate-shaped half cylinders 1111, the two half cylinders 1111 are spliced into the cylindrical yoke unit 111, and a radial outer end of each annular tooth is connected to an inner cylindrical wall of the yoke unit 111.
Referring to fig. 3 and 4, the tooth unit 112 includes twenty-eight first segments 1121 and four second segments 1122, the first segments 1121 are first arc-shaped tooth segments, a central angle corresponding to each first arc-shaped tooth segment is 75 °, each second segment 1122 includes seven second arc-shaped tooth segments 11221, a central angle corresponding to each second arc-shaped tooth segment 11221 is 15 °, referring to fig. 4, in the same second segment 1122, the second arc-shaped tooth segments 11221 are sequentially distributed along the axial direction, and a radial inner end of each second arc-shaped tooth segment 11221 is integrally connected with a radial inner end of an adjacent second arc-shaped tooth segment 11221 to form the second segment 1122.
Referring to fig. 3, the second segments 1122 are circumferentially distributed, each annular tooth is formed by splicing four first segments 1121 and four second arc-shaped tooth segments 11221, and in the same annular tooth, the four first segments 1121 and the four second arc-shaped tooth segments 11221 are circumferentially distributed in an staggered manner and are sequentially connected.
Specifically, first segment 1121 is adhesively attached to second arcuate tooth segment 11221.
Referring to fig. 2, 3 and 7, the insulating frame 12 has six, six annular spacing spaces 1123 are formed between seven annular teeth, the six spacing spaces 1123 are distributed along the axial direction, the six insulating frames 12 are correspondingly arranged in the six spacing spaces 1123 one by one, each insulating frame 12 includes two circumferentially extending groove segments 121, the two groove segments 121 are spliced to form an annular groove-shaped insulating frame 12, the arc grooves 122 of the groove segments 121 are spliced to form annular grooves of the insulating frame 12, and the annular groove openings of the insulating frame 12 face the radial outside.
Referring to fig. 2, six windings 13 are provided, six windings 13 are respectively wound in annular grooves of six insulating frameworks 12, the windings 13 are wound on the insulating frameworks 12 from the radial outer sides of the insulating frameworks 12, and the windings 13 are wound in the circumferential direction.
When assembling the linear motor primary 1, in a first step, the first segment 1121 is spliced with the second segment 1122 to form the tooth unit 112 (as shown in fig. 3); secondly, two groove sections 121 are respectively placed in each interval space 1123, and the groove sections 121 in the same interval space 1123 are spliced to form an insulating framework 12; thirdly, winding a winding 13 in an annular groove of each insulating framework 12; fourthly, the two half cylinders 1111 are respectively mounted and connected to the radial outer ends of the respective ring-shaped teeth, and the two half cylinders 1111 surround the cylindrical yoke unit 111.
Because this embodiment sets up elementary iron core 11 to tooth portion unit 112 and yoke portion unit 111, can realize the purpose of from the radial outside coiling winding 13 of tooth portion unit 112 like this, be favorable to reducing the winding degree of difficulty, and be favorable to promoting the groove filling factor, be favorable to promoting the elementary performance of linear electric motor, promote linear electric motor's thrust performance then, and, because the part position fixed connection of adjacent ring-shaped tooth at radial medial extremity, make tooth portion unit 112 just can form a whole before assembling with yoke portion unit 111 on the one hand, be convenient for install insulating skeleton 12 and coiling winding 13 in interval space 1123, be favorable to reducing the coiling degree of difficulty of winding 13, on the other hand, the radial medial extremity of adjacent ring-shaped tooth of this embodiment is not connected completely, this is favorable to reducing linear electric motor's magnetic leakage, is favorable to promoting linear electric motor's thrust performance.
Preferably, referring to fig. 2, fig. 3 and fig. 8, the radial outer side wall of the annular tooth has a limiting groove 1124, the inner cylinder wall of the yoke unit 111 has a limiting protrusion 1112, the limiting groove 1124 and the limiting protrusion 1112 are both annular and extend circumferentially, and the limiting protrusion 1112 is embedded in the limiting groove 1124, so that the tooth unit 112 and the yoke unit 111 are limited and positioned in cooperation, the accuracy and stability of the positions between the segments of the primary core 11 are ensured, the assembling precision is improved, and the assembling difficulty is reduced.
Specifically, referring to fig. 5 and 6, a radially outer side wall of the first segment 1121 has a circumferentially extending groove 11212, and a radially outer side wall of the second arc-shaped tooth segment 11221 has a circumferentially extending groove 11222 defined therein, such that the groove 1124 is formed by splicing the groove 11212 and the groove 11222.
Preferably, referring to fig. 3, 5 and 6, the radial inner end of the first segment 1121 includes a tooth shoe 11211, the tooth shoe 11211 extends along a circumferential edge of the radial inner end of the first segment 1121, the tooth shoe 11211 protrudes toward the adjacent first segment 1121 in the axial direction, a space is formed between the tooth shoes 11211 of the adjacent first segments 1121, the insulating framework 12 abuts against the tooth shoe 11211 in the radial direction, the tooth shoe 11211 is disposed at the radial inner end of each annular tooth to reduce the space between the radial inner ends of the annular teeth in the axial direction, the notch at the radial inner end of the tooth portion unit 112 is reduced, the cogging force of each annular tooth is reduced, the thrust performance of the linear motor is improved, the stability and reliability of the operation of the primary 1 of the linear motor are improved, and the radial limit position of the insulating framework 12 is performed by the tooth shoe 11211, so that the accurate and stable mounting positions of the insulating framework 12 and the winding 13 are improved, further, since the tooth unit 112 of the present embodiment can be wound from the radially outer side, the provision of the tooth shoes 11211 does not adversely affect the winding work.
Specifically, referring to fig. 5 and 6, the first segments 1121 includes two types, namely, two types of first segments 1121, which are segments 1121a and segments 1121b, respectively, the segments 1121a are located at axial ends of the tooth unit 112, the segments 1121b are located between two segments 1121a at two axial ends, along the axial direction, a radial inner end of the segment 1121a has a tooth shoe 11211 only on one side, and a radial inner end of the segment 1121b has a tooth shoe 11211 on both sides.
Optionally, in other embodiments of the present invention, the tooth unit may also be in other block manners, for example, the tooth unit is formed by splicing a third block and a fourth block, where the third block is an annular tooth of a whole ring, the third block has a fitting groove at the inner end in the radial direction, the fourth block is in a strip shape, and the fourth block is fitted in each fitting groove to achieve connection between the third block and the fourth block, and preferably, there are more than two fourth blocks, and each fourth block is distributed along the circumferential direction.
Alternatively, in other embodiments of the present invention, the tooth unit may also be an integral structure, and the entire tooth unit is a single part, however, the difficulty in processing the tooth unit 112 is relatively large, and the primary core 11 of this embodiment adopts a split structure, which is beneficial to the convenience in producing the primary core 11, especially in the manner of splitting the first split pieces 1121 and the second split pieces 1122 of this embodiment, so that the first split pieces 1121 and the second split pieces 1122 are both composed of a plurality of silicon steel sheets stacked circumferentially, and the first split pieces 1121 and the second split pieces 1122 are processed and produced easily.
Preferably, in other embodiments of the present invention, the connection between the first segment 1 and the second arc-shaped tooth segment has a limit structure, for example, a circumferential end surface of the first arc-shaped tooth segment has a positioning groove, and a circumferential end surface of the second arc-shaped tooth segment has a positioning protrusion, and the positioning protrusion is embedded in the positioning groove.
Alternatively, in another embodiment of the present invention, the yoke unit may also be a cylinder body of an integrated structure, the tooth unit with the insulating framework and the winding installed is installed in the cylinder body of the yoke unit along the axial direction, and the fixation of the yoke unit and the tooth unit may be, for example: the inner cylinder wall of the yoke unit is provided with an axially extending limiting strip, the radial outer side wall of the annular tooth is provided with an axially through limiting groove, the limiting strip is embedded in the limiting groove, and the radial outer side wall of the annular tooth is connected with the inner cylinder wall of the yoke unit in an adhesive manner; of course, in this embodiment, the yoke unit 111 is provided with the two half cylinders 1111, which is beneficial to reducing the processing and installation difficulty of the yoke unit 111, and the matching of the circumferentially extending limiting position groove 1124 and the limiting position protrusion 1112 is more beneficial to bearing the axial thrust, which is beneficial to ensuring that the tooth unit 112 and the yoke unit 111 are stably and firmly connected.
Alternatively, in other embodiments of the present invention, the insulating skeleton may be integrally injection-molded on the tooth unit, so that the insulating skeleton is formed without splicing more than two groove segments.
In this embodiment, there are four second segments 1122, and the sum of the central angles of each second segment 1122 is 60 °, but it is needless to say that in other embodiments of the present invention, the number of second segments 1122 may not be four, for example, the number of second segments 1122 is two or three, and the sum of the central angles of each second segment 1122 is not necessarily 60 °, and it is preferable that the sum of the central angles of each second segment 1122 is not more than 180 °, that is, the sum of the central angles of each connecting portion between adjacent ring-shaped teeth is not more than 180 °, so as to reduce the connection between the ring-shaped teeth as much as possible and to reduce magnetic leakage as much as possible.
The embodiment of the method for assembling the primary of the linear motor comprises the following steps:
the method for assembling the primary of the linear motor of the embodiment comprises the following steps: firstly, splicing each first segment 1121 and each second segment 1122 to form a tooth unit 112; secondly, two groove sections 121 are respectively placed in each interval space 1123, and the two groove sections 121 in the same interval space 1123 are spliced to form an insulating framework 12; thirdly, winding a winding 13 in an annular groove of each insulating framework 12; fourthly, the two half cylinders 1111 are respectively mounted and connected to the radial outer ends of the respective ring-shaped teeth, and the two half cylinders 1111 surround the cylindrical yoke unit 111. The winding difficulty of the winding 13 is low, and the economical efficiency is good.
Linear motor embodiment:
referring to fig. 1 and 2, the linear motor of the present embodiment includes a primary stage and a secondary stage 2, the primary stage adopts the above-mentioned linear motor primary 1, the secondary stage 2 includes a secondary iron core 21 and a plurality of permanent magnets 22, the secondary iron core 21 is cylindrical, the permanent magnets 22 are annular, the permanent magnets 22 are sleeved on the secondary iron core 21, and the permanent magnets 22 are distributed along the axial direction of the secondary iron core 21.
The primary is sleeved on the secondary 2, and the secondary 2 is positioned in the ring of the annular teeth.
Due to the adoption of the primary winding 1 of the linear motor, on one hand, the winding difficulty of the primary winding 13 is favorably reduced, the slot fullness rate is favorably improved, the thrust performance of the linear motor is favorably improved, on the other hand, the magnetic leakage is favorably reduced, and the thrust performance of the linear motor is further favorably improved.
Alternatively, the linear motor of the present embodiment may be a moving-coil linear motor or a moving-magnet linear motor.
Automated device embodiment:
the automatic device of this embodiment is a numerical control machine (not shown in the drawings), and the linear motor is applied to a feeding system of the numerical control machine, but of course, in other embodiments of the present invention, the automatic device may also be a machining center, an automatic production line, and the like, and especially a driving device on the automatic production line, and the linear motor is used for driving an actuator on the automatic production line to move.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (14)
1. The linear motor primary comprises a primary iron core, an insulating framework and a winding;
the method is characterized in that:
the primary iron core comprises a tooth part unit and a yoke part unit, the tooth part unit comprises at least two annular teeth, each annular tooth is distributed along the axial direction, the partial position of the radial inner side end of each annular tooth is fixedly connected with the partial position of the radial inner side end of the adjacent annular tooth, and the radial outer side end of each annular tooth is fixedly connected with the yoke part unit;
and a spacing space is formed between each annular tooth, the winding is wound in the spacing space along the circumferential direction, and the insulating framework is separated between the winding and the primary iron core.
2. The linear motor primary of claim 1, wherein:
the corresponding central angle of the connecting part between two adjacent annular teeth is less than or equal to 180 degrees.
3. The linear motor primary of claim 1, wherein:
two adjacent annular teeth are fixedly connected at least at two circumferentially distributed positions.
4. A linear motor primary as claimed in claim 3, wherein:
the sum of the corresponding central angles of all connecting parts between two adjacent annular teeth is less than or equal to 180 degrees.
5. A linear motor primary as claimed in any one of claims 1 to 4, wherein:
the tooth unit is formed by splicing at least two splicing blocks.
6. A linear motor primary as claimed in any one of claims 1 to 4, wherein:
the tooth part unit comprises at least two first split blocks and at least two second split blocks, the first split blocks are first arc-shaped tooth sections, the second split blocks are provided with at least two second arc-shaped tooth sections, each second arc-shaped tooth section is distributed along the axial direction, the radial inner side end of each second arc-shaped tooth section is fixedly connected with the radial inner side end of the adjacent second arc-shaped tooth section, and the first split blocks and the second arc-shaped tooth sections are spliced into the annular teeth.
7. The linear motor primary of claim 6, wherein:
the radial inner end of the first segment is provided with a tooth shoe, the tooth shoe extends along the circumferential edge of the radial inner end of the first segment, the tooth shoe axially protrudes towards the adjacent annular teeth, and a space is reserved between the tooth shoes of the adjacent two annular teeth.
8. The linear motor primary of claim 6, wherein:
the first segment is connected with the second arc-shaped tooth section in an adhesive mode.
9. The linear motor primary of claim 6, wherein:
the number of the second segments is at least two, the second segments are distributed along the circumferential direction, each annular tooth is formed by splicing at least two first segments and at least two second arc-shaped tooth sections, and in the same annular tooth, the first segments and the second arc-shaped tooth sections are distributed in a staggered mode.
10. The linear motor primary of claim 6, wherein:
the first splicing block is formed by superposing a plurality of silicon steel sheets distributed along the circumferential direction, and/or the second splicing block is formed by superposing a plurality of silicon steel sheets distributed along the circumferential direction.
11. A linear motor primary as claimed in any one of claims 1 to 4, wherein:
the insulating skeleton is in by two at least arcs to the groove section that extends the concatenation forms in the interval space, insulating skeleton has the notch and faces the ring channel in the radial outside, the winding coiling in the ring channel.
12. A method of assembling a linear motor primary as claimed in any one of claims 1 to 11, wherein:
installing the insulating framework in the interval space;
winding the insulating framework to form the winding;
connecting the yoke unit to a radially outer end of each of the annular teeth.
13. Linear electric motor, its characterized in that:
comprising a linear motor primary as claimed in any one of claims 1 to 11.
14. Automated equipment, its characterized in that:
comprising a linear motor according to claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337734.4A CN111384837A (en) | 2020-04-26 | 2020-04-26 | Automation equipment, linear motor primary and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337734.4A CN111384837A (en) | 2020-04-26 | 2020-04-26 | Automation equipment, linear motor primary and assembly method thereof |
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| Publication Number | Publication Date |
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| CN111384837A true CN111384837A (en) | 2020-07-07 |
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| CN202010337734.4A Pending CN111384837A (en) | 2020-04-26 | 2020-04-26 | Automation equipment, linear motor primary and assembly method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994403A (en) * | 2021-04-26 | 2021-06-18 | 合肥工业大学 | Primary structure of low-eddy-current-loss tooth-groove-type cylindrical linear motor |
| CN117879198A (en) * | 2023-12-29 | 2024-04-12 | 比亚迪股份有限公司 | Stator assembly of linear motor, suspension device and vehicle |
| CN117895676A (en) * | 2023-12-29 | 2024-04-16 | 比亚迪股份有限公司 | Stator core, stator assembly, linear motor, suspension device and vehicle |
-
2020
- 2020-04-26 CN CN202010337734.4A patent/CN111384837A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994403A (en) * | 2021-04-26 | 2021-06-18 | 合肥工业大学 | Primary structure of low-eddy-current-loss tooth-groove-type cylindrical linear motor |
| CN117879198A (en) * | 2023-12-29 | 2024-04-12 | 比亚迪股份有限公司 | Stator assembly of linear motor, suspension device and vehicle |
| CN117895676A (en) * | 2023-12-29 | 2024-04-16 | 比亚迪股份有限公司 | Stator core, stator assembly, linear motor, suspension device and vehicle |
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