CN202809222U - Direct-connected type industrial sewing machine with servo motor - Google Patents
Direct-connected type industrial sewing machine with servo motor Download PDFInfo
- Publication number
- CN202809222U CN202809222U CN 201220318323 CN201220318323U CN202809222U CN 202809222 U CN202809222 U CN 202809222U CN 201220318323 CN201220318323 CN 201220318323 CN 201220318323 U CN201220318323 U CN 201220318323U CN 202809222 U CN202809222 U CN 202809222U
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- Prior art keywords
- sewing machine
- rotating shaft
- magnet
- direct
- servomotor
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Abstract
A direct-connected type industrial sewing machine with a servo motor relates to a sewing machine. Driving force is transferred between a rotor of a sewing machine motor and a sewing machine head spindle through a coupler, so that high cost, high noise and poor working reliability are caused. The industrial sewing machine comprises a rack, the servo motor and the sewing machine head spindle connected with the servo motor, wherein the servo motor comprises a stator component and a rotor component; the stator component comprises a plastic sealing line stator which is fixedly arranged on the rack; the rotor component comprises a rotating shaft and a rotor iron core coated outside the rotating shaft. The sewing machine is characterized in that an insertion hole is formed in the middle of the rotating shaft; the rotating shaft is provided with a locking piece; and after the sewing machine head spindle is inserted into the insertion hole, the rotating shaft is fixed on the sewing machine head spindle by the locking piece. The servo motor is connected with the sewing machine head spindle; rotating torque of the rotating shaft is directly transferred to the sewing machine head spindle; and the sewing machine has the advantages of simple structure, convenience in assembly, lower cost, small size, reduced force transfer pieces and capacities of facilitating noise reduction and improving working reliability.
Description
Technical field
The utility model relates to a kind of Sewing machines.
Background technology
Existing industrial sewing machine comprises stator and rotor two parts with servomotor, and rotor is established solid spindle, passes through the shaft coupling transmission of drive force between the rotor of motor and the head of sewing machine main shaft, sees from version mainly to have following defective:
1, because rotating shaft links to each other with shaft coupling, exist to cooperate requirement, so machining accuracy is high, processing cost is relatively high, thereby causes the processing cost of whole motor to rise.
2, shaft coupling also is a kind of material cost as a part itself, thereby causes the rising of whole motor material cost.
3, because the power transmittance process is many, the noise during operation increases, and affects the performance of machine, and functional reliability is poor, shortens the service life of Sewing machines.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and provides a kind of servomotor direct-connected industrial sewing machine, to reach the minimizing difficulty of processing, reduces the purpose of cost.For this reason, the utility model is taked following technical scheme.
The direct-connected industrial sewing machine of a kind of servomotor, comprise frame, servomotor, the head of sewing machine main shaft that links to each other with servomotor, described servomotor comprises stator module, rotor assembly, described stator module comprises the plastic packaging line stator that is fixed on the frame, described rotor assembly comprises rotating shaft, be enclosed within the rotor core in the rotating shaft outward, it is characterized in that: the spliced eye for grafting head of sewing machine main shaft is offered at described rotating shaft middle part, rotating shaft is provided with the locking member that can be connected with the head of sewing machine main shaft, and the head of sewing machine main shaft is fixed on rotating shaft on the head of sewing machine main shaft with locking member after inserting spliced eye.Servomotor directly links to each other with the head of sewing machine main shaft, and the torque of rotating shaft is directly passed to the head of sewing machine main shaft, and simple in structure, easy to assembly, cost is lower, and volume is little, reduces power transmission part, is conducive to reduce noise, improves the reliability of work.Locking member can be pin, screw etc.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
Stator module, rotor assembly rely on respectively sewing machine frame, head of sewing machine main shaft to fix and realize both matched in clearance.Cancel bearing between stator module and the rotor assembly, needn't establish bearing chamber, advance one and reduce volume, reduce cost.
Described locking member is the tapered holding screw of an end, hollow axle is provided with two holding screws, hollow axle is provided with screw, and the screw of holding screw and hollow axle is spirally connected, and the tapered end of holding screw can screw in the spliced eye of hollow axle to offset with the head of sewing machine main shaft.
On the described rotor core establish magnet, rotating shaft the is provided with magnet ring relative with magnet, described rotor core has a plurality of circumferential equally distributed through holes, embed magnet in the described through hole, described magnet is magnet steel, be provided with tack coat between described magnet steel and the rotor core, rotating shaft and rotor core interference fit.In through hole, embed magnet steel; the stock utilization of magnet steel improves greatly; thereby reduced the material cost of magnet steel; the totle drilling cost of motor is significantly reduced; and install simple and convenient; only magnet steel need to be inserted in the corresponding hole without any need for positioning tool, also not need to add the magnet steel protective sleeve, when reducing the rotor manufacturing cost, also improve the efficient of pasting magnet steel.Be provided with tack coat between magnet steel and the rotor core, improved the connection reliability of magnet steel and rotor core.
Described through hole is the square through hole parallel with shaft axis, and described magnet steel is the square magnetic steel that matches with through hole.Square magnetic steel manufacturing processing is simple and convenient; And square magnetic steel is compared the large raising of stock utilization with the tile magnet steel, the needed material of tile is to form in interior bounding rectangle shape materials processing by comprising arc, therefore waste of material is many, and the needed material of square magnet steel is exactly directly to process according to rectangular shape, waste seldom, magnet steel cost proportion in the motor assembly basis is large, and the raising of magnetic steel material utilization rate has just directly reduced the overall cost of motor, improves the price competitiveness of motor on market.
The magnet steel that equivalent is adjacent forms a magnetic region, and the magnetic pole of the magnet steel in each magnetic region is identical, circumferentially alternately arranges in the S utmost point magnetic region on the rotor core and N utmost point magnetic region.
Have circular air gap hole on the rotor core between adjacent magnetic region.Utilize the interior air of aperture to have the characteristic of larger magnetic resistance to play and prevent that N, the S utmost point magnet steel from passing through rotor core directly by leakage field.
Be embedded with 8 blocks of magnet steel on the described rotor core, 2 blocks of magnet steel form a magnetic region and form 2 S utmost point magnetic regions and 2 N utmost point magnetic regions.Adopt 2 blocks of magnet steel to form a magnetic region and compare the magnetic region that is formed by 1 block of magnet steel, the average air gap of motor will be mended obviously and reduce, that is to say that air gap flux density can increase, thereby the situation of exerting oneself of raising motor improves the power density that the efficient of motor finally improves motor.
Magnet ring middle part is established by two parallel straight edges and is connected the mounting hole that the Symmetrical Circular Arc limit of two straight flanges consists of, and rotating shaft is provided with the kidney-shaped shaft part that matches with the magnet ring mounting hole; Described magnet ring is divided into four polar regions take the mounting hole center line as the boundary, be respectively upper left district, upper right district, bottom right district and lower-left district, and the magnetic pole on four polar regions is alternately distributed; Position, four polar regions, the magnetic pole of magnet ring are corresponding with position, the magnetic pole of rotor magnet.The structure of the N of magnet ring, S polarity and magnet ring is optimized combination, thereby no matter is that install in the front or the reverse side installation all can be correct corresponding mutually with rotor magnetic steel polarity when reaching the installation magnet ring, makes quick, the correct installation of magnet ring energy, reduces the fault rate of motor.
The kidney-shaped shaft part of rotating shaft is established draw-in groove, the kidney-shaped shaft part in the magnet ring outside overlap successively welding wave bullet pad, plain washer and the jump ring that matches with draw-in groove to realize the axial location of magnet ring on the shaft shoulder that magnet ring is pressed on rotating shaft.
Beneficial effect: servomotor directly links to each other with the head of sewing machine main shaft, and the torque of rotating shaft is directly passed on the head of sewing machine main shaft, and is simple in structure, easy to assembly, cost is lower, and volume is little, reduces power transmission part, be conducive to reduce noise, improve the reliability of work.
Description of drawings
Fig. 1 is the utility model explosion structural representation.
Fig. 2 is the utility model stator module structural representation.
Fig. 3 is the utility model rotor set structure schematic diagram.
Among the figure: 1, rotor assembly; 2, stator module; 3, plastic packaging line stator; 4, slotted disk head screw; 5, encoder; 6, encoder cover; 7, pan head screw; 8, rotor core, 9, magnet steel; 10, holding screw; 11, magnet ring; 12, waveform bullet pad; 13, plain washer; 14, jump ring; 15, rotating shaft.
The specific embodiment
Below in conjunction with Figure of description the technical solution of the utility model is described in further detail.
Such as Fig. 1,2, shown in 3, the utility model comprises the direct-connected industrial sewing machine of a kind of servomotor, comprise frame, servomotor, the head of sewing machine main shaft that links to each other with servomotor, described servomotor comprises stator module 2, rotor assembly 1, described stator module 2 comprises the plastic packaging line stator 3 that is fixed on the frame, described rotor assembly 1 comprises rotating shaft 15, be enclosed within the rotor core 8 in the rotating shaft 15 outward, it is characterized in that: the spliced eye for grafting head of sewing machine main shaft is offered at described rotating shaft 15 middle parts, rotating shaft 15 is provided with the locking member that can be connected with the head of sewing machine main shaft, and the head of sewing machine main shaft is fixed on rotating shaft 15 on the head of sewing machine main shaft with locking member after inserting spliced eye.Reduce volume for advancing one, reduce cost.Stator module 2, rotor assembly 1 rely on respectively sewing machine frame, head of sewing machine main shaft to fix and realize both matched in clearance.
In the present embodiment, locking member is the tapered holding screw of an end 10, hollow axle 15 is provided with two holding screws 10 that are an angle of 90 degrees, hollow axle 15 is provided with screw, holding screw 10 is spirally connected with the screw of hollow axle 15, and the tapered end of holding screw 10 can screw in the spliced eye of hollow axle 15 to offset with the head of sewing machine main shaft.Connect head of sewing machine main shaft and rotating shaft 15 with screw, easy to assembly, reliable operation.
Be embedded with 9,2 blocks of magnet steel of 8 blocks of magnet steel 9 on the rotor core 8 and form 2 S utmost point magnetic regions of formation, a magnetic region and 2 N utmost point magnetic regions.For improving the reliability that connects, be provided with tack coat between magnet steel 9 and the rotor core 8, rotating shaft 15 and rotor core 8 interference fit.
For make magnet ring 11 can be fast, the correct installation, reduce the fault rate of motor, magnet ring 11 middle parts are established by two parallel straight edges and are connected the mounting hole that the Symmetrical Circular Arc limit of two straight flanges consists of, rotating shaft 15 is provided with the kidney-shaped shaft part that matches with magnet ring 11 mounting holes; Magnet ring 11 is divided into four polar regions take the mounting hole center line as the boundary, be respectively upper left district, upper right district, bottom right district and lower-left district, and the magnetic pole on four polar regions is alternately distributed; Position, four polar regions, the magnetic pole of magnet ring 11 are corresponding with position, the magnetic pole of rotor magnet.The kidney-shaped shaft part of rotating shaft 15 is established draw-in groove, the kidney-shaped shaft part in magnet ring 11 outsides overlap successively welding wave bullet pad 12, plain washer 13 and the card 14 that matches with draw-in groove to realize the axial location of magnet ring 11 on the shaft shoulder that magnet ring 11 is pressed on rotating shaft 15.
Assembling process:
The encoder 5 of motor is fixed on the encoder cover 6 by three crosses or flat recess pan head screw 4, and encoder cover 6 is fixed on the plastic packaging line stator 3 by cross or flat recess pan head screw 7.The rotor-position signal of servomotor is responded to acquisition by the Hall in the encoder on epitrochanterian magnet ring and the stator.
Motor connects as follows with the installation of Sewing machines: rotor assembly 1 utilizes that dedicated spindle 15 assembles rotor on the Sewing machines.By holding screw 10 rotor assembly 1 is fixed in the Sewing machines rotating shaft 15; Stator module 2 cooperates installation with the head of sewing machine main shaft, and is fixed on the head of sewing machine main shaft.So far finish assembling.
The direct-connected industrial sewing machine of a kind of servomotor shown in above Fig. 1,2,3 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to the use needs of reality; under enlightenment of the present utility model; it is carried out the equivalent modifications of the aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (10)
1. direct-connected industrial sewing machine of servomotor, comprise frame, servomotor, the head of sewing machine main shaft that links to each other with servomotor, described servomotor comprises stator module (2), rotor assembly (1), described stator module (2) comprises the plastic packaging line stator (3) that is fixed on the frame, described rotor assembly (1) comprises rotating shaft (15), be enclosed within the rotor core (8) in the rotating shaft (15) outward, it is characterized in that: the spliced eye for grafting head of sewing machine main shaft is offered at described rotating shaft (15) middle part, rotating shaft (15) is provided with the locking member that can be connected with the head of sewing machine main shaft, and the head of sewing machine main shaft is fixed on rotating shaft (15) on the head of sewing machine main shaft with locking member after inserting spliced eye.
2. the direct-connected industrial sewing machine of a kind of servomotor according to claim 1, it is characterized in that: stator module (2), rotor assembly (1) rely on respectively sewing machine frame, head of sewing machine main shaft to fix and realize both matched in clearance.
3. the direct-connected industrial sewing machine of a kind of servomotor according to claim 2, it is characterized in that: described locking member is the tapered holding screw of an end (10), hollow axle (15) is provided with two holding screws (10), hollow axle (15) is provided with screw, the screw of holding screw (10) and hollow axle (15) is spirally connected, and the tapered end of holding screw (10) can screw in the spliced eye of hollow axle (15) to offset with the head of sewing machine main shaft.
4. the direct-connected industrial sewing machine of a kind of servomotor according to claim 3, it is characterized in that: establish magnet on the described rotor core (8), rotating shaft (15) is provided with the magnet ring relative with magnet (11), described rotor core (8) has a plurality of circumferential equally distributed through holes, embed magnet in the described through hole, described magnet is magnet steel (9), be provided with tack coat between described magnet steel (9) and the rotor core (8), rotating shaft (15) and rotor core (8) interference fit.
5. the direct-connected industrial sewing machine of a kind of servomotor according to claim 4, it is characterized in that: described through hole is the square through hole parallel with rotating shaft (15) axis, the square magnetic steel (9) of described magnet steel (9) for matching with through hole.
6. the direct-connected industrial sewing machine of a kind of servomotor according to claim 5, it is characterized in that: the magnet steel that equivalent is adjacent (9) forms a magnetic region, the magnetic pole of the magnet steel in each magnetic region (9) is identical, circumferentially alternately arranges in the S utmost point magnetic region on the rotor core (8) and N utmost point magnetic region.
7. the direct-connected industrial sewing machine of a kind of servomotor according to claim 6 is characterized in that: have circular air gap hole on the rotor core between adjacent magnetic region (8).
8. the direct-connected industrial sewing machine of a kind of servomotor according to claim 7 is characterized in that: be embedded with 8 blocks of magnet steel (9) on the described rotor core (8), 2 S utmost point magnetic regions of formation, 2 blocks of magnet steel (9) composition, one magnetic region and 2 N utmost point magnetic regions.
9. the direct-connected industrial sewing machine of the described a kind of servomotor of arbitrary claim according to claim 3-8, it is characterized in that: magnet ring (11) middle part is established by two parallel straight edges and is connected the mounting hole that the Symmetrical Circular Arc limit of two straight flanges consists of, and rotating shaft (15) is provided with the kidney-shaped shaft part that matches with magnet ring (11) mounting hole; Described magnet ring (11) is divided into four polar regions take the mounting hole center line as the boundary, be respectively upper left district, upper right district, bottom right district and lower-left district, and the magnetic pole on four polar regions is alternately distributed; Position, four polar regions, the magnetic pole of magnet ring (11) are corresponding with position, the magnetic pole of rotor magnet.
10. the direct-connected industrial sewing machine of a kind of servomotor according to claim 9, it is characterized in that: the kidney-shaped shaft part of rotating shaft (15) is established draw-in groove, and the kidney-shaped shaft part in magnet ring (11) outside overlaps jump ring (14) that welding wave bullet pad (12), plain washer (13) and draw-in groove match successively to realize the axial location of magnet ring (11) on the shaft shoulder that magnet ring (11) is pressed on rotating shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318323 CN202809222U (en) | 2012-06-29 | 2012-06-29 | Direct-connected type industrial sewing machine with servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318323 CN202809222U (en) | 2012-06-29 | 2012-06-29 | Direct-connected type industrial sewing machine with servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202809222U true CN202809222U (en) | 2013-03-20 |
Family
ID=47868134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318323 Expired - Lifetime CN202809222U (en) | 2012-06-29 | 2012-06-29 | Direct-connected type industrial sewing machine with servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202809222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492690A (en) * | 2019-10-09 | 2019-11-22 | 浙江众邦机电科技有限公司 | A kind of motor magnetism encoder |
| CN111953268A (en) * | 2019-05-16 | 2020-11-17 | 深圳市积聚电子有限公司 | Servo motor control system and control method for industrial sewing machine |
-
2012
- 2012-06-29 CN CN 201220318323 patent/CN202809222U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953268A (en) * | 2019-05-16 | 2020-11-17 | 深圳市积聚电子有限公司 | Servo motor control system and control method for industrial sewing machine |
| CN110492690A (en) * | 2019-10-09 | 2019-11-22 | 浙江众邦机电科技有限公司 | A kind of motor magnetism encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |