CN211665333U - Driving device of sewing machine and sewing machine - Google Patents
Driving device of sewing machine and sewing machine Download PDFInfo
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- CN211665333U CN211665333U CN201922134435.6U CN201922134435U CN211665333U CN 211665333 U CN211665333 U CN 211665333U CN 201922134435 U CN201922134435 U CN 201922134435U CN 211665333 U CN211665333 U CN 211665333U
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Abstract
The utility model discloses a sewing machine's drive arrangement and sewing machine thereof is created and disclosed, which comprises a housin, driving motor, controller, driving motor is equipped with electric motor rotor and motor stator, the first through hole that motor stator was equipped with, electric motor rotor is equipped with the second through hole, the sewing machine main shaft double as the motor shaft and wear to establish in the second through hole with electric motor rotor circumference fixed connection, the sewing machine main shaft is connected with the encoder after passing the second through hole, relative ratio in prior art, the utility model discloses the creation has overcome prior art bias, thereby it has reduced the axiality error furthest and has guaranteed the steady transmission of driving motor power, has still improved operation precision and output conversion rate simultaneously, and then has reduced the strain when the machine functions, prolongs the life of machine.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of sewing machines, in particular to a driving device of a sewing machine and the sewing machine.
[ background of the invention ]
At present, the existing sewing machine main shaft is linked with a motor shaft through a coupler, a large coaxiality error exists between the coupler and the motor shaft in a matched linkage mode all the time, so that the motor shaft is unstable in power transmission and prone to vibration, the machine and the bearing strain are inevitably caused as a result, meanwhile, the energy is wasted, the motor runs hard, and power loss exists.
[ summary of the invention ]
In order to solve the above problems, the present invention provides a driving device of a sewing machine and a sewing machine using the driving device, wherein the driving device has a simple structure, is easy to manufacture and is convenient to assemble; stable power transmission and difficult machine strain.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a sewing machine's drive arrangement, including the casing, be used for driving sewing machine main shaft pivoted driving motor, encoder and install the controller on the casing, driving motor installs in the casing, driving motor is equipped with electric motor rotor and motor stator, motor stator is equipped with the confession electric motor rotor wears to establish first through hole wherein, electric motor rotor be equipped with sewing machine main shaft looks adaptation and with the second through hole of the same axle center of sewing machine main shaft, sewing machine main shaft doubles as the motor shaft and wears to establish in the second through hole and with electric motor rotor circumference fixed connection, the sewing machine main shaft passes behind the second through hole with the encoder is connected.
In view of the above technical solution, the method is further defined as follows: the encoder is equipped with the encoder casing, the encoder casing is equipped with the third through hole, wear to be equipped with in the third through hole with the bearing of third through hole looks adaptation, wear to be equipped with the sleeve with sewing machine main shaft looks adaptation in the bearing, the sewing machine main shaft is regarded as the encoder pivot concurrently and is passed behind the second through hole and with sleeve circumference fixed connection, the sewing machine main shaft with the same axle center of sleeve, be equipped with the detection device who is used for sewing machine main shaft rotation situation in the encoder casing.
In view of the above technical solution, the method is further defined as follows: the detection device comprises a coded disc fixed on the peripheral surface of the sleeve in the circumferential direction and a circuit monitoring module for detecting the rotation condition of the coded disc, and the circuit monitoring module is electrically connected with the controller.
In view of the above technical solution, the method is further defined as follows: the coded disc is a grating plate.
In view of the above technical solution, the method is further defined as follows: the encoder casing including fix at the procapsid of driving motor's rear end and with procapsid fixed connection's back casing, a terminal surface of procapsid is equipped with the loop type boss, the third through hole runs through to be established on the loop type boss, circuit monitoring module pass through the spliced pole with another terminal surface fixed connection of procapsid, be equipped with the storage tank on the back casing, circuit monitoring module holding is in the storage tank, circuit monitoring module with be equipped with the clearance between the tank bottom of storage tank.
In view of the above technical solution, the method is further defined as follows: the bearing is characterized in that a first clamping ring and a second clamping ring are respectively arranged on two end faces of the bearing, a first clamping groove for the first clamping ring to be clamped in is formed in the outer peripheral surface of the sleeve, and a second clamping groove for the second clamping ring to be clamped in is formed in the hole wall of the third through hole.
In view of the above technical solution, the method is further defined as follows: the sewing machine is characterized by further comprising a hand wheel, a fourth through hole is formed in the rear shell, the sewing machine spindle penetrates through the second through hole, the sleeve and the fourth through hole and then is fixedly connected with the hand wheel in the circumferential direction, and the sewing machine spindle and the hand wheel are in the same axis.
In view of the above technical solution, the method is further defined as follows: the peripheral face of the motor rotor is provided with a plurality of threaded holes, screws penetrate through the threaded holes, and the sewing machine spindle is fastened with the motor rotor through the screws.
In view of the above technical solution, the method is further defined as follows: the two ends of the motor stator are respectively and fixedly connected with a front end cover and a rear end cover, and the front end cover is used for being fixedly connected with a sewing machine.
The sewing machine comprises a sewing machine main body, a sewing machine main shaft arranged on the sewing machine main body and a driving device, wherein the driving device provides power for the sewing machine main shaft.
The beneficial effects of the invention are as follows:
1. the invention creates the sewing machine main shaft which is also used as the motor shaft and is directly and fixedly connected with the motor rotor in the circumferential direction, thereby omitting a coupler between the sewing machine main shaft and the motor shaft in the traditional technology.
2. Aiming at the scheme, the sewing machine spindle is further improved and also serves as an encoder rotating shaft, so that the assembling efficiency during manual assembly of the encoder can be improved, and the assembling time is saved; meanwhile, the assembly error of the encoder on the rotating shaft of the driving motor can be reduced to the greatest extent, so that the running efficiency of the machine and the detection precision of the encoder are improved.
[ description of the drawings ]
FIG. 1 is a structural diagram of the invention;
FIG. 2 is one of the exploded views created by the present invention;
FIG. 3 is a second exploded view of the present invention;
FIG. 4 is an exploded view of an encoder;
fig. 5 is a cross-sectional view of an encoder.
[ detailed description ] embodiments
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1-5, a driving device of a sewing machine includes a housing 1, a driving motor 3 for driving a main shaft 2 of the sewing machine to rotate, an encoder 4, and a controller 5 installed on the housing 1, wherein the driving motor 3 is installed in the housing 1, the driving motor 3 is provided with a motor rotor 31 and a motor stator 32, the motor stator 32 is provided with a first through hole 33 for the motor rotor 31 to penetrate therethrough, the motor rotor 31 is provided with a second through hole 34 adapted to the main shaft 2 of the sewing machine and having the same axis as the main shaft 2 of the sewing machine, the main shaft 2 of the sewing machine also serves as a motor shaft penetrating through the second through hole 34 and being circumferentially and fixedly connected to the motor rotor 31, and the main shaft 2 of the sewing machine is connected to the encoder 4 after passing through the second through hole 34. The invention creates the sewing machine main shaft which is also used as the motor shaft and is directly and fixedly connected with the motor rotor in the circumferential direction, thereby omitting a coupler between the sewing machine main shaft and the motor shaft in the traditional technology.
The encoder 4 is provided with an encoder shell, the encoder shell is provided with a third through hole 44, a bearing 45 matched with the third through hole 44 penetrates through the third through hole 44, a sleeve 46 matched with the sewing machine spindle 2 penetrates through the bearing 45, the sewing machine spindle 2 is also used as an encoder rotating shaft, penetrates through the second through hole 34 and is circumferentially and fixedly connected with the sleeve 46 through screws, the sewing machine spindle 2 and the sleeve 46 are coaxial, and a detection device for detecting the rotation condition of the sewing machine spindle 2 is arranged in the encoder shell; meanwhile, the assembly error of the encoder on the rotating shaft of the driving motor can be reduced to the greatest extent, so that the running efficiency of the machine and the detection precision of the encoder are improved.
In the present embodiment, the detecting device includes a coded disc 48 circumferentially fixed on the outer circumferential surface of the sleeve 46 and a circuit monitoring module 40 for detecting the rotation condition of the coded disc 48, the circuit monitoring module 40 is electrically connected to the controller 5, and the coded disc 48 is preferably a grating plate. The circuit monitoring module 40 detects the rotation condition of the grating plate and converts the rotation condition into a feedback signal to be output, the controller 5 receives the feedback signal and controls the output of the driving motor 3 according to the feedback signal to enable the driving motor 3 to control the main shaft 2 of the sewing machine to rotate,
in this implementation, in order to facilitate the installation and the fixing of encoder, the encoder casing including fix at the procapsid 41 of driving motor 3 rear end and with procapsid 41 fixed connection's back casing 42, a terminal surface of procapsid 41 is equipped with annular boss 43, third through hole 44 runs through and is established on annular boss 43, circuit monitoring module 40 through spliced pole 49 with another terminal surface fixed connection of procapsid 41, be equipped with storage tank 421 on the back casing 42, circuit monitoring module 40 is held in the storage tank 421, circuit monitoring module 40 with be equipped with the clearance between the tank bottom of storage tank 421, this leaves the clearance because can prevent that the back casing from touching circuit monitoring module when the assembly.
In this embodiment, the bearing is convenient to axially fix, the two end surfaces of the bearing 45 are respectively provided with a first snap ring 451 and a second snap ring 452, the outer circumferential surface of the sleeve 46 is provided with a first snap groove 453 for the first snap ring 451 to be clamped therein, and the hole wall of the third through hole 44 is provided with a second snap groove 454 for the second snap ring 452 to be clamped therein.
In this embodiment, the driving device further includes a hand wheel 6, the rear housing 42 is provided with a fourth through hole 47, the sewing machine main shaft 2 passes through the second through hole 34, the sleeve 46 and the fourth through hole 47 and then is circumferentially and fixedly connected with the hand wheel 6, the sewing machine main shaft 2 and the hand wheel 6 are coaxial, the sewing machine main shaft in the invention is longer than the main shaft of the traditional sewing machine, and thus the sewing machine main shaft in the invention can sequentially pass through the motor rotor, the sleeve and the hand wheel and is circumferentially and fixedly connected with the hand wheel.
In this embodiment, be convenient for realize electric motor rotor and sewing machine main shaft circumference fixed connection, a plurality of screw holes have been seted up to electric motor rotor 31 global, the screw is worn to be equipped with by the screw hole, sewing machine main shaft 2 passes through screw and electric motor rotor 31 fastening.
In this embodiment, the driving device is conveniently installed on the sewing machine main body, the two ends of the motor stator 32 are respectively fixedly connected with a front end cover 35 and a rear end cover 36, and the front end cover 35 is used for being fixedly connected with the sewing machine.
The invention also provides a sewing machine using the driving device, which comprises a sewing machine main body 7, the sewing machine main shaft 2 arranged on the sewing machine main body 7 and the driving device, wherein the driving device provides power for the sewing machine main shaft 2.
The invention also provides a method for quickly assembling the driving device, which comprises the following steps:
s1: preparing a sewing machine and a driving device, wherein the sewing machine comprises a sewing machine main body and a sewing machine main shaft arranged on the sewing machine main body, the driving device comprises a driving motor without a motor shaft, a shell, an encoder without an encoder rotating shaft and a hand wheel, the driving motor without the motor shaft comprises a motor rotor and a motor stator, two ends of the motor stator are respectively and fixedly connected with a front end cover and a rear end cover, and the motor stator, the front end cover and the rear end cover are connected into a whole;
s2: sleeving the motor rotor on a main shaft of the sewing machine, and fastening the motor rotor and the main shaft of the sewing machine together through a screw;
s3: installing a driving motor, sleeving a motor stator of the driving motor into a motor rotor, and fixing a front end cover of the motor on a sewing machine main body;
s4: installing an encoder, wherein the encoder is provided with a sleeve matched with a main shaft of the sewing machine, the sleeve of the encoder is firstly sleeved on the main shaft of the sewing machine and is fastened with the main shaft of the sewing machine through screws, so that the sleeve of the encoder is circumferentially fixed with the main shaft of the sewing machine, and then a front shell of the encoder is fixed on a rear end cover of a driving motor;
s5: a mounting housing fixedly mounted on the sewing machine main body;
s6: and installing a hand wheel, and circumferentially fixing the hand wheel on a main shaft of the sewing machine.
Claims (10)
1. The utility model provides a sewing machine's drive arrangement, including casing (1), be used for driving sewing machine main shaft (2) pivoted driving motor (3), encoder (4) and install controller (5) on casing (1), driving motor (3) are installed in casing (1), driving motor (3) are equipped with motor rotor (31) and motor stator (32), its characterized in that motor stator (32) are equipped with the confession motor rotor (31) wear to establish first through hole (33) wherein, motor rotor (31) be equipped with second through hole (34) of sewing machine main shaft (2) looks adaptation and with sewing machine main shaft (2) same axle center, sewing machine main shaft (2) double as the motor shaft wear to establish in second through hole (34) and with motor rotor (31) circumference fixed connection, sewing machine main shaft (2) pass behind second through hole (34) with encoder (4) link to each other And (6) connecting.
2. The driving device of the sewing machine according to claim 1, wherein the encoder (4) is provided with an encoder housing, the encoder housing is provided with a third through hole (44), a bearing (45) matched with the third through hole (44) penetrates through the third through hole (44), a sleeve (46) matched with the sewing machine main shaft (2) penetrates through the bearing (45), the sewing machine main shaft (2) is also used as an encoder rotating shaft, penetrates through the second through hole (34) and is circumferentially and fixedly connected with the sleeve (46), the sewing machine main shaft (2) and the sleeve (46) share the same shaft center, and a detection device for the rotation condition of the sewing machine main shaft (2) is arranged in the encoder housing.
3. The driving device of sewing machine according to claim 2, wherein the detecting means comprises a code wheel (48) circumferentially fixed to the outer peripheral surface of the sleeve (46) and a circuit monitoring module (40) for detecting the rotation of the code wheel (48), the circuit monitoring module (40) being electrically connected to the controller (5).
4. A drive device of a sewing machine according to claim 3, characterized in that the code wheel (48) is a grating plate.
5. The driving device of the sewing machine according to claim 3, wherein the encoder housing comprises a front housing (41) fixed at the rear end of the driving motor (3) and a rear housing (42) fixedly connected with the front housing (41), a ring-shaped boss (43) is arranged on one end surface of the front housing (41), the third through hole (44) is arranged on the ring-shaped boss (43), the circuit monitoring module (40) is fixedly connected with the other end surface of the front housing (41) through a connecting column (49), a containing groove (421) is arranged on the rear housing (42), the circuit monitoring module (40) is contained in the containing groove (421), and a gap is arranged between the circuit monitoring module (40) and the bottom of the containing groove (421).
6. The driving device of the sewing machine according to claim 5, wherein the bearing (45) is provided with a first snap ring (451) and a second snap ring (452) at two end surfaces thereof, the sleeve (46) is provided with a first snap groove (453) on an outer circumferential surface thereof for the first snap ring (451) to be snapped therein, and the third through hole (44) is provided with a second snap groove (454) on a hole wall thereof for the second snap ring (452) to be snapped therein.
7. The driving device of the sewing machine according to claim 5, characterized by further comprising a hand wheel (6), wherein a fourth through hole (47) is formed in the rear housing (42), the sewing machine main shaft (2) penetrates through the second through hole (34), the sleeve (46) and the fourth through hole (47) and then is fixedly connected with the hand wheel (6) in the circumferential direction, and the sewing machine main shaft (2) and the hand wheel (6) are coaxial.
8. The driving device of the sewing machine according to claim 1, wherein the motor rotor (31) has a plurality of threaded holes formed on the peripheral surface thereof, the threaded holes are provided with screws, and the sewing machine main shaft (2) is fastened to the motor rotor (31) by the screws.
9. The driving device of the sewing machine according to claim 5, wherein the motor stator (32) is fixedly connected with a front cover (35) and a rear cover (36) at two ends respectively, and the front cover (35) is used for being fixedly connected with the sewing machine.
10. A sewing machine comprising a drive device of a sewing machine according to any one of claims 1 to 9, characterized by comprising a sewing machine main body (7), the sewing machine main shaft (2) provided on the sewing machine main body (7), and the drive device, the drive device supplying power to the sewing machine main shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134435.6U CN211665333U (en) | 2019-12-02 | 2019-12-02 | Driving device of sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134435.6U CN211665333U (en) | 2019-12-02 | 2019-12-02 | Driving device of sewing machine and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211665333U true CN211665333U (en) | 2020-10-13 |
Family
ID=72733482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922134435.6U Active CN211665333U (en) | 2019-12-02 | 2019-12-02 | Driving device of sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211665333U (en) |
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2019
- 2019-12-02 CN CN201922134435.6U patent/CN211665333U/en active Active
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