CN2770900Y - Tool bit assembly for electric wire dippers - Google Patents
Tool bit assembly for electric wire dippers Download PDFInfo
- Publication number
- CN2770900Y CN2770900Y CN 200420094969 CN200420094969U CN2770900Y CN 2770900 Y CN2770900 Y CN 2770900Y CN 200420094969 CN200420094969 CN 200420094969 CN 200420094969 U CN200420094969 U CN 200420094969U CN 2770900 Y CN2770900 Y CN 2770900Y
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- gear
- cutting blade
- cutter head
- head assembly
- hole
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Abstract
The utility model relates to a tool bit assembly for an electric wire cutting machine, which comprises an eccentric drive shaft connected with an output shaft of a drive motor, a tool bit fixed seat, a fixed cutter blade, a movable cutter blade and a wire suction special pipe connected with a suction blower, wherein the fixed cutter blade and the movable cutter blade are fixed on the tool bit fixed seat; a sliding guide device is arranged between the fixed cutter blade and the movable cutter blade. The middle of the back surface of the movable cutter blade is provided with a slotted hole; the top of the eccentric drive shaft is provided with a sliding drive device inserted in the slotted hole. The utility model is characterized in that a drive motor is arranged in an inner cavity of the wire suction special pipe, and a multi-stage speed reduction is arranged between an output shaft of the drive motor and the eccentric drive shaft. The utility model has the advantages of low noise, less power consumption, simple structure, flexible and convenient use, and effective production efficiency improvement in use.
Description
Technical field
The utility model relates to electronic trimming machine, relates in particular to a kind of cutter head assembly of electronic trimming machine.
Background technology
At present, the electronic trimming machine that in the clothing industry, adopts, its drive unit mainly adopts outer centrally-mounted driving to drive flexible axle, flexible axle connects eccentric drive shaft, in the chute that the driving slide block embedding cutting blade that install at the top of eccentric drive shaft is provided with, rotate moving back and forth of drive cutting blade by eccentric drive shaft, make between cutting blade and the fixed blade and to form relative motion the end of a thread is cut off, but there is following shortcoming in the electronic trimming machine of this structure: because employing is external motor, driving snake is long, therefore need drive than heavy-duty motor, production cost height not only, and also noise is big; And power transmission shaft and suction line special pipe branch are arranged complex structure; In addition, cutter head is fixedly mounted on the fixed frame, must both hands during work holds cloth and send toward the fixed blade bottom surface, and not only operating efficiency is lower, and uses also inconvenient.
Summary of the invention
The purpose of this utility model is at above-mentioned existing problems and deficiency, and the cutter head assembly of a kind of noise electronic trimming machine little, easy to use is provided.
The technical solution of the utility model is achieved in that
A kind of cutter head assembly of electronic trimming machine, comprise the eccentric drive shaft that is connected with the drive motors output shaft, the cutter head holder, the suction line special pipe that is installed in fixed blade and the cutting blade on the cutter head holder and is connected with induced-draught fan, wherein, be provided with slide guide device between described fixed blade and the cutting blade, the place is provided with slotted eye in the middle of the back side of cutting blade, the top of eccentric drive shaft is equipped with sliding driving device, and this sliding driving device is inlaid in the slotted eye, its characteristics are that drive motors is installed in the inner chamber of inhaling the line special pipe, and are provided with speed change gear between drive motors output shaft and the eccentric drive shaft.
The setting of speed change gear can have multiple mode, has enough moment in order to make eccentric drive shaft, and speed change gear can adopt the multi-stage speed-reducing gear train to form.For the end of a thread after preventing to shear enwinds gear train, at multi-stage speed-reducing gear train outer setting gear-box.
In order to reduce the frictional force of sliding driving device in the cutting blade slotted eye, reduce friction noise simultaneously, sliding driving device is set to be installed in the sliding bearing at the top of eccentric drive shaft.
In order to simplify the cutter head assembly structure, form by the loam cake and the lower cover of movable dismounting inhaling the setting of line special pipe, wherein, the interface of lower cover is provided with pin-and-hole, is provided with the pin adaptive with pin-and-hole in the pin-and-hole corresponding position on the interface of loam cake.The inner chamber front end of lower cover is provided with erecting bed, and this erecting bed is provided with axial screw, and above-mentioned cutter head holder is installed on the erecting bed.Be separately installed with shell fragment on the erecting bed, the rolling pinch roller is equipped with at the top of described shell fragment, and should the rolling pinch roller be pressed in the back of cutting blade.
The utility model is installed in micro-driving motor in the suction line special pipe owing to having adopted, and the version of speed change gear is installed on the micro-driving motor output shaft, make motor be connected with the eccentric drive shaft short distance, available low power micromachine drives, little power consumption, production cost is low, both simplified the structure, guaranteed that eccentric drive shaft has enough revolving forces, the friction noise that noise that has produced when also having reduced machine operation simultaneously and cutting blade produce when doing back and forth movement with respect to fixed blade.Owing to sliding bearing has been installed, both reduced the frictional force of sliding driving device in the cutting blade slotted eye again, also reduced friction noise at the top of eccentric drive shaft; Owing at the cutting blade back elastic pressuring plate is set, and sliding bearing is installed on the top of elastic pressuring plate, both guaranteed the reliable and stable of cutting blade motion, also reduced when cutting blade moves and frictional force and noise between the elastic pressuring plate.The utility model is simple in structure, and noise is low, can be placed in cloth on the workbench during use, must not take cloth by hand, and hand-holdable suction line special pipe uses flexibly, can effectively enhance productivity.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 takes internal structure schematic diagram behind the loam cake apart for the utility model;
Fig. 2 is the structural representation after three grades of train of reduction gears of the utility model are taken gear-box apart.
The specific embodiment
As Fig. 1, shown in Figure 2, the utility model is a kind of cutter head assembly of electronic trimming machine, comprise eccentric drive shaft 1, fixed blade 2, cutting blade 3 and suction line special pipe 4, wherein, the bottom surface of described cutting blade 3 is attached to the back side of fixed blade 2, and be provided with slide guide device between the contact-making surface of cutting blade 3 and fixed blade 2, the place is provided with slotted eye 31 in the middle of the back side of cutting blade 3, the top of eccentric drive shaft 1 is equipped with sliding driving device, and this sliding driving device is inlaid in the slotted eye 31, its characteristics are that the inner chamber of described suction line special pipe 4 is equipped with micro-driving motor 5, and are connected with speed change gear 6 between micro-driving motor 5 output shafts and the eccentric drive shaft 1.
The setting of speed change gear 6 can have multiple mode, has enough revolving forces in order to make eccentric drive shaft, can adopt the multi-stage speed-reducing gear train to form.As shown in Figure 2, the utility model multi-stage speed-reducing gear train adopts three grades of train of reduction gears 61, wherein, three grades of train of reduction gears 61 comprise the one-level driving gear 611 that is installed on micro-driving motor 5 output shafts, with the one-level driven gear 612 of one-level driving gear 611 engagements, with one-level driven gear 612 coaxial mounted duplicate gears 613, with the secondary driving gear 614 of duplicate gear 613 engagements, with the coaxial duplicate gear 615 of secondary driving gear 614 and be installed on the eccentric drive shaft 1 and with three grades of driving gears, 616 compositions of duplicate gear 615 engagements; The outer face of gear-box 62 is provided with the through hole that the output shaft that can hold three grades of driving gears 616 passes, and output shaft is equipped with sliding bearing 617 in the through hole section, and the outer end of output shaft is connected with eccentric drive shaft 1.Speed change gear adopts removable gear changing version, but the movement velocity of flexible modulation cutting blade.For the end of a thread after preventing to shear enwinds gear train, at multi-stage speed-reducing gear train outer setting gear-box 62.The utility model gear-box 62 is set to cylindrical body.
In order to reduce the frictional force of sliding driving device in the cutting blade slotted eye, reduce friction noise simultaneously, as shown in Figure 1, the utility model sliding driving device is a sliding bearing 7.In order to simplify the cutter head assembly structure, inhaling line special pipe 4 is set to be made of the loam cake 41 and lower cover 42 butt joints of movable dismounting, wherein, the interface of lower cover 42 is provided with pin-and-hole 421, pin-and-hole 421 correspondence positions on loam cake 41 interfaces are provided with the pin 411 suitable with pin-and-hole 421, and loam cake 41 inserts by pin 411 in the pin-and-hole 421 of lower covers 42 and becomes one with lower cover 42.The inner chamber front end of lower cover 42 is provided with erecting bed 422, this erecting bed 422 is provided with axial screw, fixed blade 2 respective shaft are provided with the installation through hole to the position of screw, and fixed blade 2 is spirally connected with axial screw by the screw that passes its installation through hole and is fixedly mounted on the erecting bed 422.Lower cover 42 inner chambers middle parts is equipped with L type installation sheet 8, the middle part of installation sheet 8 be provided with can ccontaining bearing 617 through hole.For firm mounting teeth roller box 62, be provided with the installation screw in the outer face of gear-box 62, be provided with perforation at the L type installation sheet 8 corresponding screwhole positions of installing simultaneously, gear-box 62 is spirally connected with the installation screw by the screw that passes perforation and is fixedly mounted on the L type installation sheet 8.
For making cutting blade 3 stable motion on fixed blade 2, on the back side of cutting blade 3, be pressed with arc elastic pressuring plate 9, one end of described arc elastic pressuring plate 9 is installed on the axial screw of erecting bed 422, the other end is equipped with sliding bearing 10, and the outer rim of this sliding bearing 10 is pressed along the direction of motion of cutting blade 3 and is ground on the back side of cutting blade 3, the power of can reducing friction so simultaneously can reduce friction noise.For making cutting blade 3 stable slip on fixed blade 2, slide guide device is made up of guide chute 21 and slide rail 32, wherein guide chute 21 is located on fixed blade 2 back sides, slide rail 32 is embedded in the caulking groove that cutting blade 3 bottom surfaces are provided with admittedly, and cutting blade 3 is nested in the guide chute 21 movably by slide rail 32.
Claims (9)
1, a kind of cutter head assembly of electronic trimming machine, comprise eccentric drive shaft (1), fixed blade (2), cutting blade (3) and suction line special pipe (4), wherein, the bottom surface of described cutting blade (3) is attached to the back side of fixed blade (2), and be provided with slide guide device between the contact-making surface of cutting blade (3) and fixed blade (2), the place is provided with slotted eye (31) in the middle of the back side of cutting blade (3), the top of eccentric drive shaft (1) is equipped with sliding driving device, and this sliding driving device is inlaid in the slotted eye (31), the inner chamber that it is characterized in that described suction line special pipe (4) is equipped with micro-driving motor (5), and is connected with speed change gear (6) between micro-driving motor (5) output shaft (51) and the eccentric drive shaft (1).
2, the cutter head assembly of electronic trimming machine according to claim 1, it is characterized in that: above-mentioned speed change gear (6) is by three grades of train of reduction gears (61) and be located at outside gear-box (62) and form, wherein, described three grades of train of reduction gears (61) are by the one-level driving gear (611) that is installed on micro-driving motor (5) output shaft, the one-level driven gear (612) that is installed in gear-box (62) lining and meshes with one-level driving gear (611), with the coaxial mounted duplicate gear of one-level driven gear (612) (613), the secondary driving gear (614) that is installed in gear-box (62) lining and meshes with duplicate gear (613), with the coaxial duplicate gear (615) of secondary driving gear (614) and be installed in that eccentric drive shaft (1) is gone up and form with three grades of driving gears (616) of duplicate gear (615) engagement; The outer face of described gear-box (62) is provided with the through hole that the output shaft that can hold three grades of driving gears (616) passes, and output shaft is equipped with sliding bearing (617) in the through hole section, and the outer end of output shaft is connected with eccentric drive shaft (1).
3, the cutter head assembly of electronic trimming machine according to claim 1 is characterized in that: above-mentioned sliding driving device is sliding bearing (7).
4, the cutter head assembly of electronic trimming machine according to claim 1, it is characterized in that: above-mentioned suction line special pipe (4) is made of loam cake (41) and lower cover (42) butt joint, wherein, the interface of described lower cover (42) is provided with pin-and-hole (421), pin-and-hole (421) correspondence position on loam cake (41) interface is provided with and the suitable pin (411) of pin-and-hole (421), becomes one with lower cover (42) in the pin-and-hole (421) of described loam cake (41) by pin (411) insertion lower cover (42).
5, the cutter head assembly of electronic trimming machine according to claim 4, it is characterized in that: the inner chamber front end of above-mentioned lower cover (42) is provided with erecting bed (422), this erecting bed (422) is provided with axial screw, said fixing blade (2) respective shaft is provided with the installation through hole to the position of screw, and described fixed blade (2) is spirally connected with axial screw by the screw that passes its installation through hole and is fixedly mounted on the erecting bed (422).
6, the cutter head assembly of electronic trimming machine according to claim 4 is characterized in that: above-mentioned lower cover (42) inner chamber middle part is equipped with L type installation sheet (8), the middle part of described installation sheet (8) be provided with can ccontaining sliding bearing (617) through hole.
7, the cutter head assembly of electronic trimming machine according to claim 2, it is characterized in that: said gear case (62) is cylindrical body, and the outer face of this gear-box (62) is provided with the installation screw, the corresponding screwhole position of installing of above-mentioned L type installation sheet (8) is provided with perforation, and described gear-box (62) is spirally connected with the installation screw by the screw that passes perforation and is fixedly mounted on the L type installation sheet (8).
8, the cutter head assembly of electronic trimming machine according to claim 1, it is characterized in that: be pressed with arc elastic pressuring plate (9) on the back side of above-mentioned cutting blade (3), one end of described arc elastic pressuring plate (9) is installed on the axial screw of installation base (422), the other end is equipped with sliding bearing (10), and the outer rim of this sliding bearing (10) presses stone roller on the back side of cutting blade (3) along the direction of motion of cutting blade (3).
9, the cutter head assembly of electronic trimming machine according to claim 1, it is characterized in that: above-mentioned slide guide device is made up of guide chute (21) and slide rail (32), wherein said guide chute (21) is located on fixed blade (2) back side, described slide rail (32) is embedded in the caulking groove that cutting blade (3) bottom surface is provided with admittedly, and described cutting blade (3) is nested in the guide chute (21) movably by slide rail (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094969 CN2770900Y (en) | 2004-11-10 | 2004-11-10 | Tool bit assembly for electric wire dippers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420094969 CN2770900Y (en) | 2004-11-10 | 2004-11-10 | Tool bit assembly for electric wire dippers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2770900Y true CN2770900Y (en) | 2006-04-12 |
Family
ID=36704686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420094969 Expired - Fee Related CN2770900Y (en) | 2004-11-10 | 2004-11-10 | Tool bit assembly for electric wire dippers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2770900Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036791A (en) * | 2008-05-20 | 2011-04-27 | 宝洁公司 | Electric hair cutting machine |
| CN101363174B (en) * | 2007-08-08 | 2012-02-01 | 中山百川汇盈精密实业有限公司 | Knife head structure of wire shear driven by dc brushless external rotor electric machine |
| CN101298144B (en) * | 2007-03-23 | 2012-04-25 | 株式会社泉精器制作所 | Eyebrow beauty device |
| CN105133217A (en) * | 2015-09-17 | 2015-12-09 | 玉环奕友电子有限公司 | Thread shear used on sewing machine |
| CN105155147A (en) * | 2015-09-17 | 2015-12-16 | 玉环奕友电子有限公司 | Loose thread of sewing machine |
-
2004
- 2004-11-10 CN CN 200420094969 patent/CN2770900Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298144B (en) * | 2007-03-23 | 2012-04-25 | 株式会社泉精器制作所 | Eyebrow beauty device |
| CN101363174B (en) * | 2007-08-08 | 2012-02-01 | 中山百川汇盈精密实业有限公司 | Knife head structure of wire shear driven by dc brushless external rotor electric machine |
| CN102036791A (en) * | 2008-05-20 | 2011-04-27 | 宝洁公司 | Electric hair cutting machine |
| CN102036791B (en) * | 2008-05-20 | 2014-05-28 | 宝洁公司 | Electric hair cutting machine |
| CN105133217A (en) * | 2015-09-17 | 2015-12-09 | 玉环奕友电子有限公司 | Thread shear used on sewing machine |
| CN105155147A (en) * | 2015-09-17 | 2015-12-16 | 玉环奕友电子有限公司 | Loose thread of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |