CN205115806U - Last motor of using of sewing machine - Google Patents
Last motor of using of sewing machine Download PDFInfo
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- CN205115806U CN205115806U CN201520839536.2U CN201520839536U CN205115806U CN 205115806 U CN205115806 U CN 205115806U CN 201520839536 U CN201520839536 U CN 201520839536U CN 205115806 U CN205115806 U CN 205115806U
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Abstract
The utility model provides a last motor of using of sewing machine belongs to mechanical technical field. It solved current last motor of using of sewing machine transmission efficiency not high, maintain inconvenient scheduling problem. This last motor of using of sewing machine, including the shell and set up stator and the pivot in the shell, the connecting hole that runs through is seted up along its axial to the pivot, the pivot outside is equipped with the locking hole that is linked together with the connecting hole, the front end of shell is connected with the encoder shell, the encoder shell is equipped with through -hole no. 1 with preceding proper right one side of shell, the axis of through -hole no. 1 and the axis collineation of connecting hole, a through -hole department is equipped with hollow abutment sleeve, the last grating that is fixed with of abutment sleeve, be equipped with the coding disc in the encoder shell, abutment sleeve and through -hole have the bearing between one, the abutment sleeve outside is equipped with the locating hole that runs through the abutment sleeve lateral wall. This last motor of using of sewing machine has high transmission efficiency, maintains advantages such as the convenience is good.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of Sewing machines, particularly relates to the motor on a kind of Sewing machines.
Background technology
No matter traditional Sewing machines is that manpower drives or driven by power is all generally move force and motion by belt transmission, but the shortcoming such as belt transmission has that transmission efficiency is low, poor stability, belt service life are low.
Belt transmission is improved to the mode of motor direct-drive by modern Sewing machines.A kind of motor direct-drive device [application number: 200420082147.1 that Chinese patent literature data openly proposes; Authorization Notice No.: CN204174406U], comprise motor mount, shaft coupling, shaft coupling is arranged on motor mount inside, one end connects machine spindle, the other end connects electric machine main shaft, motor mount is located by machine spindle spring bearing, and front end is connected with head of sewing machine, and rear end is connected with motor.A kind of machine spindle that Chinese patent literature data openly proposes and the bindiny mechanism of motor shaft and the Sewing machines [application number: 201320008620.0 containing this structure; Authorization Notice No.: CN203080259U], comprise the shaft coupling for connecting machine spindle and motor shaft, the bearing be arranged in casing dead eye, described shaft coupling is fixed on sewing machine case by bearing, and the motor shaft of described machine spindle and motor inserts shaft coupling from two ends respectively.
Electric machine main shaft and machine spindle are connected by shaft coupling and transmit and move, the use of shaft coupling improves transmission efficiency and stability to a certain extent compared to belt, but the use of shaft coupling still consumes certain energy, reduces transmission efficiency, also add noise.In common electrical motor of sewing machine, the two ends of motor shaft often need to arrange bearing respectively and support motor shaft.And bearing is the consumable accessory of motor, in order to not affect the normal work of motor, the bearing that bearing needs time-based maintenance and damages also needs timely replacing, often needs to remove whole for motor in bearing maintenance and Renewal process, electrical machmary maintenance inconvenience.
Summary of the invention
The purpose of this utility model be for prior art exist the problems referred to above, propose a kind of can ensure transmission efficiency while improve maintenance convenience Sewing machines on motor.
The purpose of this utility model realizes by following technical proposal:
Motor on a kind of Sewing machines, the stator comprising shell and be arranged in shell and rotating shaft, it is characterized in that, described rotating shaft axially offers the connecting hole run through along it, the locking hole be connected with connecting hole is provided with outside described rotating shaft, the front end of described shell is connected with encoder shell, the front proper right side of described encoder shell and shell is provided with through hole one, the described axis of through hole one and the axis collinear of connecting hole, described through hole one place is provided with the abutment sleeve of hollow, described abutment sleeve is fixed with grating, coding disk is provided with in described encoder shell, between described abutment sleeve and through hole one, there is bearing, the locating hole running through abutment sleeve sidewall is provided with outside described abutment sleeve.
Motor is installed to after on Sewing machines, machine spindle is fixedly connected with the rotating shaft and abutment sleeve etc. of motor, wherein, machine shaft is fixed on machine spindle by the securing member in locking hole, and abutment sleeve is fixed on machine spindle by the securing member in locating hole.During machine operation, the rotating shaft of motor rotates and drives the work of machine spindle synchronous same-speed, be fixed on the abutment sleeve on machine spindle and be fixed on the grating also synchronous same-speed rotation on abutment sleeve, the rotary rpm of the grating that coding disk detects is exactly motor speed.
Machine spindle cancel in the middle of coupler structure and be directly connected on machine shaft, energy consumption and noise that the mediation member such as coupler structure bring can be reduced, improve the comfortableness of transmission efficiency and working environment.Because the rotating shaft of motor, the main shaft of Sewing machines and grating are that synchronous same-speed rotates, coding disk can by grating and machine spindle indirectly but motor speed detected exactly, and the detection of motor speed is unaffected.
When machine operation, what produce when machine spindle rotates rocks the signal errors that can increase between grating and coding disk, also can reduce the transmission efficiency of motor, the bearing that motor is arranged plays a supportive role to abutment sleeve and machine spindle, rocking of machine spindle can be reduced, reduce the signal errors of grating and coding disk, improve stability and the transmission efficiency of machine operation.Rocking of main shaft is also one of the source of Sewing machines noise, reduces rocking of machine spindle and also can reduce noise.And the axis of through hole one and the axis collinear of connecting hole, the bearing in through hole one, machine shaft and machine spindle coaxial line can be ensured, reduce the main shaft caused because of the deviation of installing positions of bearings and rock.
Encoder shell and abutment sleeve, grating and coding disk are combined into encoder.When the bearing be arranged in through hole one needs to change or maintain, need bearing is taken out from through hole one and reinstalls.Taking out in bearing and bearings mounted process, only disassembling encoder integrally need being got off, without the need to pulling down whole motor.Electrical machmary maintenance process is more convenient.
In motor on above-mentioned Sewing machines, described encoder shell and the just right side of case nose have annular projection, the external port of described through hole one is positioned at annular projection place, the madial wall at described through hole one inner port place has annular shoulder block, the inner side of described annular projection offers cannelure and be provided with jump ring in cannelure, and described bearing is limited between annular shoulder block and jump ring.
When installing bearing, be first resisted against on annular shoulder block by bearing, then be stuck in cannelure by jump ring, such bearing is just installed in the through hole one of encoder shell, is limited between annular shoulder block and jump ring.When bearing needs to change, only need take out the dismounting that jump ring and bearing just can complete bearing successively.Bearing installation and removal is very convenient.
In motor on above-mentioned Sewing machines, described encoder shell comprises the base plate and case that mutually fasten, described through hole one is positioned on base plate with annular projection, described base plate is in the form of annular discs and base plate outer rim has some outwardly buckling parts, described buckling parts has fastening hole, have some fastening bars that can buckle in fastening hole bottom the outer of described case, described fastening bar is hook-shaped.
When the base plate of encoder and case cover, the fastening bar of case is aimed at the fastening hole of base plate, pressing case and base plate make fastening bar buckle in fastening hole, and the crook fastening bar hooks the buckling parts of base plate, makes case difficult drop-off.When needing to open case, the buckling state of first engaging lifting bar and buckling parts, then pull up case.This dismountable fastening structure is easy to use.
In motor on above-mentioned Sewing machines, the front-end and back-end of described shell have drive end bearing bracket and rear end cap respectively, the just right side of described base plate and drive end bearing bracket has some installation sheets protruding from base plate outer, described installation sheet is provided with installing hole, and described base plate and drive end bearing bracket pass through through installing hole and the securing member penetrated in drive end bearing bracket fixes.
When motor housing vibrates in the course of the work, if encoder shell base plate and motor housing drive end bearing bracket are integrated, because coding disk is fixed on encoder shell often, vibration will be delivered on coding disk by encoder shell, thus have influence on the stability of encoder work; And encoder shell base plate and motor housing drive end bearing bracket are when linking together by installation sheet, the vibration of shell will slow down effectively through the buffering of installation sheet.Be connected with motor housing with the encoder shell of securing member by motor by installation sheet, installation and removal process is very convenient simultaneously.
In motor on above-mentioned Sewing machines, the center of the drive end bearing bracket of described shell has the recess concaved, and the annular projection on described base plate is positioned at indent.
If the drive end bearing bracket of shell is slab construction, annular projection on base plate can hinder the connection of base plate and drive end bearing bracket, and the center of drive end bearing bracket is when having the recess concaved, annular projection is placed on indent, the installation sheet of base plate outer can be fitted on drive end bearing bracket edge, facilitates the fixed installation of base plate.Meanwhile, the annular projection on motor encoder shell base plate is positioned at the indent of case nose lid indent, and annular projection is hidden and makes the structure of motor compacter, takes up room little.
Compared with prior art, the motor on this Sewing machines has the following advantages:
Realizing machine spindle is directly connected on machine shaft, decreases energy consumption and noise that mediation member brings, improves the comfortableness of transmission efficiency and working environment.Bearing is arranged on encoder shell, makes the disassembly process of bearing convenient, improve the convenience of electrical machmary maintenance.Utilize machine spindle to be directly connected to feature machine shaft with synchronous same-speed, detecting motor speed by being arranged on main shaft by encoder, ensure that the accuracy of encoder work.The structure such as bearing and installation sheet makes machine operation stablize simultaneously; The use of jump ring, buckle structure and securing member makes the disassembly process of motor very convenient; The cooperation of coupling part convex-concave profile makes electric machine structure compacter, installs more convenient.
Accompanying drawing explanation
Fig. 1 is the stereogram of motor;
Fig. 2 is the structure sectional view of motor;
Fig. 3 is the mounting structure enlarged drawing of bearing in motor;
Fig. 4 is that motor encoder shell and shell assemble schematic diagram;
Fig. 5 is the explosive view of motor on Sewing machines.
In figure, 1, shell; 1a, rear end cap; 1b, drive end bearing bracket; 1b1, recess; 1c, housing; 2, encoder shell; 2a, base plate; 2a1, through hole one; 2a2, annular projection; 2a3, annular shoulder block; 2a4, cannelure; 2a5, buckling parts; 2a6, fastening hole; 2b, case; 2b1, fastening bar; 3, stator; 4, rotating shaft; 4a, connecting hole; 4b, locking hole; 5, abutment sleeve; 5a, locating hole; 6, grating; 7, coding disk; 8, bearing; 9, jump ring; 10, installation sheet; 10a, installing hole; 11, securing member; 12, handwheel; 13, main shaft; 14, head.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, Figure 2 with shown in Fig. 5, machine spindle 13 passes head of sewing machine 14 and is provided with motor and handwheel 12 successively.Motor comprises shell 1 and encoder shell 2; Be provided with stator 3 and rotating shaft 4 in shell 1, rotating shaft 4 is provided with the connecting hole 4a run through vertically, is provided with the locking hole 4b be connected with connecting hole 4a outside rotating shaft 4.Shell 1 comprises the rear end cap 1a being positioned at rear end, the drive end bearing bracket 1b being positioned at front end and is positioned at middle housing 1c.There is through hole three rear end cap 1a center, and drive end bearing bracket 1b center is provided with through hole four and is provided with the recess 1b1 concaved, and drive end bearing bracket 1b is connected with encoder shell 2 rear end.Encoder shell 2 comprises the base plate 2a being positioned at rear end and is provided with through hole one 2a1 with the case 2b being positioned at front end, base plate 2a center, and there is through hole two case 2b center.Be provided with bearing 8 in through hole one 2a1, the inner ring of bearing 8 is arranged on the abutment sleeve 5 of hollow; Be fixed with coding disk 7 inside base plate 2a, the grating 6 be oppositely arranged with coding disk 7 is fixedly connected on abutment sleeve 5.Case 2b covers and be combined into encoder with abutment sleeve 5, grating 6 and coding disk 7 on base plate 2a.Through hole one 2a1, through hole two, through hole three, through hole four, rotating shaft 4, bearing 8 and abutment sleeve 5 are coaxially set.
The rear end cap 1a of motor housing 1 passes main shaft 13 and is fixed on head of sewing machine 14, rotating shaft 4 with connecting hole 4a is enclosed within main shaft 13 and is also fixed by locking hole 4b with trip bolt one, it is outer and be fixed on the housing 1c that is connected with rear end cap 1a that stator 3 is arranged on rotating shaft 4, and drive end bearing bracket 1b covers on housing 1c through main shaft 13.Encoder is through main shaft 13, and base plate 2a is connected with drive end bearing bracket 1b, and abutment sleeve 5 is enclosed within main shaft 13 and is also fixed by locating hole 5a with trip bolt two, and case 2b passes main shaft 13 and covers on base plate 2a.
During machine operation, rotating shaft 4 rotates and drives machine spindle 13 synchronous same-speed to rotate, and be fixed on the abutment sleeve 5 on main shaft 13 and the grating 6 on abutment sleeve 5 and also rotate with main shaft 13 synchronous same-speed, the rotating speed of the grating 6 that coding disk 7 detects is exactly motor speed.
Machine spindle 13 is directly connected on machine shaft 4, can reduce energy consumption and noise that the mediation member such as coupler structure bring, improve the comfortableness of transmission efficiency and working environment.And the rotating shaft 4 of motor, the main shaft 13 of Sewing machines and grating 6 are synchronous same-speed rotations, coding disk 7 can detect motor speed exactly, and the detection of motor speed is unaffected.
As shown in Figures 2 and 3, there is annular projection 2a2 and just right with the recess 1b1 of drive end bearing bracket 1b outside base plate 2a, the external port of through hole one 2a1 is positioned at annular projection 2a2 place, the inner port place of through hole one 2a1 has annular shoulder block 2a3, the inner side of annular projection 2a2 offers cannelure 2a4, in cannelure, 2a4 is provided with jump ring 9, and bearing 8 is limited between annular shoulder block 2a3 and jump ring 9.After the jump ring 9 of 2a4 in cannelure is taken out, just can change bearing 8.
As shown in Figure 4, base plate 2a is in the form of annular discs and base plate 2a outer rim has outwardly buckling parts 2a5, buckling parts 2a5 has fastening hole 2a6, has the fastening bar 2b1 that can buckle in fastening hole 2a6 bottom the outer of case 2b, and it is hook-shaped for fastening bar 2b1.Fastening hole 2a6 is relative with the position fastening bar 2b1, a pair fastening hole 2a6 and fasten bar 2b1 and comprise a fastening hole 2a6 and and fasten bar 2b1, can arrange the quantity of fastening hole 2a6 and fastening bar 2b1 as required, and it is 2 right to have at least, be preferably 4 to or 5 right.
The outside of base plate 2a has the installation sheet 10 protruding from base plate 2a outer, and installation sheet 10 is provided with installing hole 10a, and base plate 2a and drive end bearing bracket 1b passes through through installing hole 10a and the securing member 11 penetrated in drive end bearing bracket 1b fixes.Quantity and the position relationship of installation sheet 10 can be set as required, have 2 at least, be preferably 2 and be separated by 180 °.Installation sheet 10 for having flexible sheet metal, and has elastic construction.
When motor in use needs dismounting bearing 8, first handwheel 12 is pulled down from main shaft 13, then unscrew the trip bolt two in locating hole 5a, then take off securing member 11, and take off encoder from main shaft 13, then jump ring 9 and bearing 8 are taken out successively from through hole one 2a1.When reinstalling bearing 8, first bearing 8 is put into through hole one 2a1, then jump ring 9 is snapped in cannelure 2a4, then with securing member 11, encoder is fixed on motor housing 1, again the trip bolt two in locating hole 5a is tightened, then handwheel 12 is installed on main shaft 13.Whole disassembly process does not need to pull down whole for motor, improves the convenience of electrical machmary maintenance.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. the motor on a Sewing machines, the stator (3) comprising shell (1) and be arranged in shell (1) and rotating shaft (4), it is characterized in that, described rotating shaft (4) axially offers the connecting hole (4a) run through along it, described rotating shaft (4) outside is provided with the locking hole (4b) be connected with connecting hole (4a), the front end of described shell (1) is connected with encoder shell (2), described encoder shell (2) is provided with through hole one (2a1) with the front proper right side of shell (1), the axis of described through hole one (2a1) and the axis collinear of connecting hole (4a), described through hole one (2a1) place is provided with the abutment sleeve (5) of hollow, described abutment sleeve (5) is fixed with grating (6), coding disk (7) is provided with in described encoder shell (2), between described abutment sleeve (5) and through hole one (2a1), there is bearing (8), described abutment sleeve (5) outside is provided with the locating hole (5a) running through abutment sleeve (5) sidewall.
2. the motor on Sewing machines according to claim 1, it is characterized in that, described encoder shell (2) has annular projection (2a2) with the front proper right side of shell (1), the external port of described through hole one (2a1) is positioned at annular projection (2a2) place, the madial wall at described through hole one (2a1) inner port place has annular shoulder block (2a3), the inner side of described annular projection (2a2) offers cannelure (2a4) and be provided with jump ring (9) in cannelure (2a4), described bearing (8) is limited between annular shoulder block (2a3) and jump ring (9).
3. the motor on Sewing machines according to claim 2, it is characterized in that, described encoder shell (2) comprises the base plate (2a) and case (2b) that mutually fasten, described through hole one (2a1) and annular projection (2a2) are positioned on base plate (2a), described base plate (2a) is in the form of annular discs and base plate (2a) outer rim has some outwardly buckling parts (2a5), described buckling parts (2a5) has fastening hole (2a6), there is bottom the outer of described case (2b) some fastening bars (2b1) that can buckle in fastening hole (2a6), described fastening bar (2b1) is in hook-shaped.
4. the motor on Sewing machines according to claim 3, it is characterized in that, the front-end and back-end of described shell (1) have drive end bearing bracket (1b) and rear end cap (1a) respectively, the just right side of described base plate (2a) and drive end bearing bracket (1b) has some installation sheets (10) protruding from base plate (2a) outer, described installation sheet (10) is provided with installing hole (10a), described base plate (2a) and drive end bearing bracket (1b) pass through through installing hole (10a) and the securing member (11) penetrated in drive end bearing bracket (1b) fixes.
5. the motor on Sewing machines according to claim 4, it is characterized in that, the center of the drive end bearing bracket (1b) of described shell (1) has the recess (1b1) concaved, and the annular projection (2a2) on described base plate (2a) is positioned at recess (1b1) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839536.2U CN205115806U (en) | 2015-10-27 | 2015-10-27 | Last motor of using of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839536.2U CN205115806U (en) | 2015-10-27 | 2015-10-27 | Last motor of using of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205115806U true CN205115806U (en) | 2016-03-30 |
Family
ID=55571427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520839536.2U Active CN205115806U (en) | 2015-10-27 | 2015-10-27 | Last motor of using of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205115806U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908403A (en) * | 2016-06-15 | 2016-08-31 | 杰克缝纫机股份有限公司 | Dustproof structure of sewing machine housing |
| CN106217358A (en) * | 2016-08-30 | 2016-12-14 | 浙江琦星电子有限公司 | Flapping articulation mechanical hand |
| CN106938467A (en) * | 2017-04-28 | 2017-07-11 | 杭州琦星机器人科技有限公司 | Decelerator code-disc structure, decelerator and manipulator |
-
2015
- 2015-10-27 CN CN201520839536.2U patent/CN205115806U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908403A (en) * | 2016-06-15 | 2016-08-31 | 杰克缝纫机股份有限公司 | Dustproof structure of sewing machine housing |
| CN106217358A (en) * | 2016-08-30 | 2016-12-14 | 浙江琦星电子有限公司 | Flapping articulation mechanical hand |
| CN106217358B (en) * | 2016-08-30 | 2018-09-14 | 浙江琦星电子有限公司 | Flapping articulation manipulator |
| CN106938467A (en) * | 2017-04-28 | 2017-07-11 | 杭州琦星机器人科技有限公司 | Decelerator code-disc structure, decelerator and manipulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317604 Nanyou Industrial Zone, Damaiyu Development Zone, Yuhuan County, Taizhou City, Zhejiang Province Patentee after: Qixing Intelligent Technology Co., Ltd. Address before: 317604 Nanyou Industrial Zone, Damaiyu Development Zone, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG QIXING ELECTRONICS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |