CN203866527U - Sewing machine with shell-less servo motor - Google Patents
Sewing machine with shell-less servo motor Download PDFInfo
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- CN203866527U CN203866527U CN201420337368.2U CN201420337368U CN203866527U CN 203866527 U CN203866527 U CN 203866527U CN 201420337368 U CN201420337368 U CN 201420337368U CN 203866527 U CN203866527 U CN 203866527U
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Abstract
The utility model discloses a sewing machine with a shell-less servo motor and belongs to the technical field of sewing machines. The sewing machine with the shell-less servo motor comprises a shell, a spindle and a cover shell which is arranged at the right end of the shell, a sewing machine spindle serves as a motor shaft, a rotor is fixed on the sewing machine spindle, a stator is fixed on the shell, and then a motor shaft, a front cover, a rear cover and a bearing of the servo motor are omitted to lower the manufacturing cost, reduce the servo motor volume and improve the cooling effect; through mounting a magnetic induction iron core on the spindle or the rotor and fixing a magnetic induction type encoder on the stator or the shell, the mounting and maintaining procedures are simplified, and the motor fault rate is lowered.
Description
Technical field
The utility model belongs to sewing machine technique field, and more particularly, it relates to a kind of Sewing machines without shell servomotor.
Background technology
Sewing machines is to use one or more sewing thread, forms one or more stitchings on sewing, the machine that makes one or more layers sewing interweave or unite by a seam.Sewing function is made the goods such as the fabrics such as cotton, fiber crops, silk, hair, artificial fibre and leather, plastics, paper, the stitching neat appearance of stitching out, smooth firm, and sewing velocity is fast, easy to use.General Sewing machines is all made up of head, support, transmission and annex four parts.Head is the major part of Sewing machines, and it forms by stinging material, hook line, take-up, four mechanisms of feeding and coiling, binder, Luo Yadeng auxiliary body, and the motion of each mechanism reasonably coordinates, and periodic duty unites by a seam sewing.
Traditional Sewing machines drives structure is to adopt motor, belt and belt pulley transmission machine spindle, this kind of structure is eliminated gradually, adopt the novel structure of directly driving to be: motor and machine spindle to be coaxially set, motor shaft to be connected with machine spindle with shaft coupling, directly drive the appearance of structure, with respect to the transmission of belt belt pulley, played the loss that reduces power, transmission is more accurate, with respect to its clutch structure, directly drive stop accurately, pin number effectively controls, advantage is apparent.
The drive unit being applied at present on Sewing machines adopts servomotor mostly, and the servomotor being used in conjunction with on Sewing machines at present mainly contains following several:
1, adopt motor shaft to be connected by shaft coupling with casing, motor front end cover by screw be fixed on casing, servomotor primary structure is that drive end bearing bracket is connected by stator, motor shaft and motor shaft bearings at both ends with rear end cap, by grating disc and photoelectric encoder transmission of signal.
2, adopt motor shaft to be connected by shaft coupling with casing, motor front end cover by screw be fixed on casing, servomotor primary structure is that drive end bearing bracket is connected by stator, motor shaft and motor shaft bearings at both ends with rear end cap, by magnetic induction iron core and magnetic induction encoder transmission of signal.
3, adopt machine spindle as motor shaft, rotor is fixed on machine spindle, stator is fixed on casing, grating disc is fixed on rotor or main shaft, and photoelectric encoder is fixed on stator or casing, realize SERVO CONTROL effect by optoelectronic induction.
There is following shortcoming in the servomotor that above-mentioned cooperation Sewing machines uses:
The one the and Sewing machines major defect corresponding to two kinds of servomotors have motor shaft for servomotor on it, bearing, electric machine casing, motor front and rear cover, make that cost is high, volume large, weak heat-dissipating.
The Sewing machines major defect that the third servomotor is corresponding is that the servomotor on it is fixed on main shaft or rotor by grating disc, grating disc is to whole installation and safeguard more complicated, electrical fault rate is high, and sewing machine oil is easily stained with and on grating disc, is caused electrical fault.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of Sewing machines without shell servomotor; Adopt machine spindle as motor shaft, rotor is fixed on machine spindle, stator is fixed on casing, saved the motor shaft of servomotor, front, lid bonnet and bearing, reduce manufacturing cost and reduce servomotor volume with this, also improve radiating effect; Be contained on main shaft or rotor by magnetic induction iron core, magnetic inductive encoder is fixed on stator or casing, simplify installation and maintenance operation and can reduce electrical fault rate with this.
For achieving the above object, the utility model provides following technical scheme: a kind of Sewing machines without shell servomotor, comprise casing, main shaft and be installed on the case of casing right-hand member, in casing, establish lubricating oil working chamber, main shaft laterally runs through lubricating oil working chamber, also comprises without shell servomotor, the described right side that is positioned at lubricating oil working chamber without shell servomotor, without establishing seal oil assembly between shell servomotor and lubricating oil working chamber, case covers on without on shell servomotor; Described comprises stator, rotor, magnetic inductive encoder, magnetic induction iron core without shell servomotor, stator is fixed on casing, rotor is fixed on main shaft, rotor is engaged in stator, magnetic inductive encoder is arranged on stator or casing, magnetic induction iron core is arranged on rotor or main shaft, and magnetic inductive encoder and magnetic induction iron core are oppositely arranged.
Described seal oil assembly is oil sealing, and the left side of rotor is provided with the bearing holder (housing, cover) and the bearing that are arranged on main shaft, and oil sealing is arranged on bearing left side, and bearing, rotor and lubricating oil working chamber are separated.
Described stator is provided with ring-type encoder support, and encoder support is axially arranged with several erection columns, and magnetic inductive encoder is axially arranged with the installing hole consistent with erection column position respective amount.
Described magnetic inductive encoder is provided with encoder cover outward, and encoder is covered with is convenient to the axial hole that main shaft passes, and is also provided with the connecting hole being connected with stator on encoder cover.
Described rotor is fixed on and on main shaft, refers to that the main shaft in rotor left side is provided with draw-in groove and jump ring, and jump ring and rotor left side offset, and rotor right-hand member is provided with multiple radial direction through hole and for rotor being locked to the lock-screw on main shaft.
The beneficial effects of the utility model are: the utility model adopts machine spindle as motor shaft, rotor is fixed on machine spindle, stator is fixed on casing, the motor shaft of servomotor, front, lid bonnet and bearing are saved, reduce manufacturing cost and reduce servomotor volume with this, also improve radiating effect; Be contained on main shaft or rotor by magnetic induction iron core, magnetic inductive encoder is fixed on stator or casing, simplify installation and maintenance operation and can reduce electrical fault rate with this.
Brief description of the drawings
Fig. 1 is the utility model front schematic view;
Fig. 2 is the utility model schematic perspective view.
Fig. 3 is that the utility model is without shell servomotor schematic diagram.
Fig. 4 is the utility model Fig. 3 exploded perspective view;
Fig. 5 is the utility model cutaway view that is connected with main shaft without shell servomotor.
Fig. 6 is the utility model rotor schematic diagram that is connected with main shaft.
Fig. 7 is the utility model Fig. 6 exploded perspective view.
Reference numeral: 1, casing, 1.1, lubricating oil working chamber, 2, main shaft, 3, case, 4, without shell servomotor, 4.1, stator, 4.2, rotor, 4.2.1, radial direction through hole, 4.3, magnetic inductive encoder, 4.4, magnetic induction iron core, 5, oil sealing, 6, bearing holder (housing, cover), 7, bearing, 8, encoder support, 9, encoder cover, 9.1, axial hole, 10, draw-in groove, 11, jump ring.
Detailed description of the invention
Referring to figs. 1 through Fig. 7, a kind of Sewing machines embodiment without shell servomotor of the utility model is described further.
The utility model each parts described below left side and right positions are to narrate for the position that Sewing machines product is actual in using, and as shown in Figure 1, are the actual use location of product, and what be positioned at Fig. 1 paper left end is left side, right-hand member be right side.
The utility model is without the Sewing machines of shell servomotor, comprise casing 1, main shaft 2 and be installed on the case 3 of casing 1 right-hand member, casing 1 is a shell of the whole head of Sewing machines, and inside is provided with many drive disk assemblies, main shaft 2 is positioned at casing 1, plays the effect of transferring power.Case 3 is arranged on the right-hand member of casing 1, and the right-hand member that main shaft 2 right-hand members extend to case 3 places and main shaft is connecting handwheel.In casing 1, establish lubricating oil working chamber 1.1, main shaft 2 laterally runs through lubricating oil working chamber 1.1, and lubricating oil working chamber 1.1 is mechanisms for oil lubrication to the each parts of whole Sewing machines.Be positioned at the right side of lubricating oil working chamber 1.1 without shell servomotor 4,, after running through, main shaft 2 needs to seal, in order to avoid lubricating oil spill and leakage arrives without shell servomotor 4 places, so establish seal oil assembly between without shell servomotor 4 and lubricating oil working chamber 1.1.Described seal oil assembly is oil sealing 5, and the left side of rotor 4.2 is provided with the bearing holder (housing, cover) 6 and the bearing 7 that are arranged on main shaft 2, and oil sealing 5 is arranged on bearing 7 left sides, and bearing 7, rotor 4.2 are separated with lubricating oil working chamber 1.1.Case 3 covers on without on shell servomotor 4, plays the effect of protection motor.
In order to reduce manufacturing cost, reduce servomotor volume, to improve radiating effect, of the present utility modelly comprise stator 4.1, rotor 4.2, magnetic inductive encoder 4.3, magnetic induction iron core 4.4 without shell servomotor 4, saved the parts such as front and rear covers, motor shaft and the bearing of conventional servomotor.
Can normally work without shell servomotor 4 in order to allow, the utility model is fixed on stator 4.1 on casing 1, using casing 1 as the shell without shell servomotor 4; Rotor 4.2 is fixed on main shaft 2, comes when the motor shaft without shell servomotor 4 with main shaft; Save after front and rear covers, stator 4.1 and rotor 4.2, in opening-wide state, are conducive to improve radiating effect.
Be engaged in stator 4.1 without the rotor 4.2 of shell servomotor 4, magnetic inductive encoder 4.3 is arranged on stator 4.1 or casing 1, and magnetic induction iron core 4.4 is arranged on rotor 4.2 or main shaft 2, and magnetic inductive encoder 4.3 is oppositely arranged with magnetic induction iron core 4.4.By magnetic inductive encoder 4.3 and magnetic induction iron core 4.4 transmission of signals, simplify installation and maintenance operation and can reduce electrical fault rate with this.Embodiment 1, is arranged on stator 4.1 by magnetic inductive encoder 4.3, and magnetic induction iron core 4.4 is arranged on rotor 4.2, adjusts the relative position of magnetic inductive encoder 4.3 and magnetic induction iron core 4.4.Embodiment 2, shell is arranged on magnetic inductive encoder 4.3 on casing 1, and magnetic induction iron core 4.4 is arranged on main shaft 2, adjusts the relative position of magnetic inductive encoder 4.3 and magnetic induction iron core 4.4.
In order to allow firm being arranged on stator 4.1 of magnetic inductive encoder 4.3, the present embodiment is provided with ring-type encoder support 8 on stator 4.1, encoder support 8 is axially arranged with several erection columns, and magnetic inductive encoder 4.3 is axially arranged with the installing hole consistent with erection column position respective amount.Magnetic inductive encoder 4.3 can be worn and hung on encoder support 8.
In order to prevent that magnetic inductive encoder 4.3 is subject to damage, is provided with encoder cover 9 outside magnetic inductive encoder 4.3.Because main shaft 2 is as the motor shaft without shell servomotor 4, so being provided with, encoder cover 9 is convenient to the axial hole 9.1 that main shaft 2 passes; In order to improve the bonding strength of encoder cover 9 and stator 4.1, on encoder cover 9, be also provided with the connecting hole being connected with stator 4.1.
Rotor 4.2 is arranged on main shaft 2, so that rotor 4.2 and stator 4.1 can accurately coordinate, and ensures the stability of signal transmission, need to carry out axially and radially synchronously spacing to rotor 4.2; The rotor 4.2 of the present embodiment is fixed on and on main shaft 2, refers to that the main shaft 2 in rotor 4.2 left sides is provided with draw-in groove 10 and jump ring 11, jump ring 11 offsets with rotor 4.2 left sides, and rotor 4.2 right-hand members are provided with multiple radial direction through hole 4.2.1 and for rotor 4.2 is locked to the lock-screw on main shaft 2.
Adopt machine spindle 2 as motor shaft, rotor 4.2 is fixed on machine spindle 2, stator 4.1 is fixed on casing 1, saved the motor shaft of servomotor, front, lid bonnet and bearing, reduce manufacturing cost and reduce servomotor volume with this, also improve radiating effect; Be contained on main shaft 2 or rotor 4.2 by magnetic induction iron core 4.4, magnetic inductive encoder 4.3 is fixed on stator 4.1 or casing 1, simplify installation and maintenance operation and can reduce electrical fault rate with this.
Claims (5)
1. the Sewing machines without shell servomotor, comprise casing (1), main shaft (2) and be installed on the case (3) of casing (1) right-hand member, in casing (1), establish lubricating oil working chamber (1.1), main shaft (2) laterally runs through lubricating oil working chamber (1.1), it is characterized in that: also comprise without shell servomotor (4), the described right side that is positioned at lubricating oil working chamber (1.1) without shell servomotor (4), without establishing seal oil assembly between shell servomotor (4) and lubricating oil working chamber (1.1), case (3) covers on without on shell servomotor (4), described comprises stator (4.1) without shell servomotor (4), rotor (4.2), magnetic inductive encoder (4.3), magnetic induction iron core (4.4), stator (4.1) is fixed on casing (1), rotor (4.2) is fixed on main shaft (2), rotor (4.2) is engaged in stator (4.1), magnetic inductive encoder (4.3) is arranged on stator (4.1) or casing (1), magnetic induction iron core (4.4) is arranged on rotor (4.2) or main shaft (2), magnetic inductive encoder (4.3) is oppositely arranged with magnetic induction iron core (4.4).
2. a kind of Sewing machines without shell servomotor according to claim 1, it is characterized in that: described seal oil assembly is oil sealing (5), the left side of rotor (4.2) is provided with the bearing holder (housing, cover) (6) and the bearing (7) that are arranged on main shaft (2), oil sealing (5) is arranged on bearing (7) left side, and bearing (7), rotor (4.2) are separated with lubricating oil working chamber (1.1).
3. a kind of Sewing machines without shell servomotor according to claim 1, it is characterized in that: described stator (4.1) is provided with ring-type encoder support (8), encoder support (8) is axially arranged with several erection columns, and magnetic inductive encoder (4.3) is axially arranged with the installing hole consistent with erection column position respective amount.
4. a kind of Sewing machines without shell servomotor according to claim 1, it is characterized in that: the outer encoder cover (9) that is provided with of described magnetic inductive encoder (4.3), encoder cover (9) is provided with is convenient to the axial hole (9.1) that main shaft (2) passes, and is also provided with the connecting hole being connected with stator (4.1) on encoder cover (9).
5. a kind of Sewing machines without shell servomotor according to claim 1, it is characterized in that: described rotor (4.2) is fixed on and on main shaft (2), refers to that the main shaft (2) in rotor (4.2) left side is provided with draw-in groove (10) and jump ring (11), jump ring (11) and rotor (4.2) left side offset, and rotor (4.2) right-hand member is provided with multiple radial direction through hole (4.2.1) and for rotor (4.2) is locked to the lock-screw on main shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337368.2U CN203866527U (en) | 2014-06-12 | 2014-06-12 | Sewing machine with shell-less servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337368.2U CN203866527U (en) | 2014-06-12 | 2014-06-12 | Sewing machine with shell-less servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203866527U true CN203866527U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420337368.2U Active CN203866527U (en) | 2014-06-12 | 2014-06-12 | Sewing machine with shell-less servo motor |
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| Country | Link |
|---|---|
| CN (1) | CN203866527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355823A (en) * | 2018-12-03 | 2019-02-19 | 林燕飞 | A kind of sewing machine |
-
2014
- 2014-06-12 CN CN201420337368.2U patent/CN203866527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355823A (en) * | 2018-12-03 | 2019-02-19 | 林燕飞 | A kind of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JACK SEWING CO., LTD. Free format text: FORMER NAME: NEW JACK SEWING MACHINE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 318010 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE CO., LTD. Address before: 318010 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: New Jack Sewing Machine Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |