CN203393429U - Asynchronous mechanism for cutter and needle - Google Patents
Asynchronous mechanism for cutter and needle Download PDFInfo
- Publication number
- CN203393429U CN203393429U CN201320274686.4U CN201320274686U CN203393429U CN 203393429 U CN203393429 U CN 203393429U CN 201320274686 U CN201320274686 U CN 201320274686U CN 203393429 U CN203393429 U CN 203393429U
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- asynchronous
- cutting knife
- eccentric wheel
- needle bar
- eccentric
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Abstract
The utility model belongs to the technical field of sewing equipment, and specifically relates to an asynchronous mechanism for a cutter and a needle. One end of an upper shaft positioned at the head is connected with an asynchronous eccentric wheel and a needle bar crank in sequence from the inside to the outside, an upper shaft hole of the asynchronous eccentric wheel is eccentrically arranged, an upper shaft hole of the needle bar crank is arranged in the center of the needle crank, one end of a cutter connecting rod is sleeved outside the asynchronous eccentric wheel, and the other end of the cutter connecting rod is connected with the cutter. The needle bar crank is connected with the needle, the asynchronous eccentric wheel and the needle crank are both provided with asynchronous eccentric holes, the two asynchronous eccentric holes are arranged in a coaxial line, the needle bar crank is fixedly connected with the asynchronous eccentric wheel via a connecting shaft which is inserted in the asynchronous eccentric holes of the asynchronous eccentric wheel and the needle bar crank, and asynchronous motions of the cutter and the needle are achieved when the asynchronous eccentric wheel and the needle bar crank rotate with the upper shaft. According to the asynchronous mechanism, when cloth which needs angle change is sewed, the cutter can directly turn off under the premise of no damage to the cloth by a cutter point, the operation is simple, the work efficiency is improved, and the mechanism can be applicable to various sewing machines.
Description
Technical field:
The utility model belongs to sewing device technical field, refers in particular to a kind of cutting knife eedle asynchronous mechanism.
Background technology:
Eedle in flat seam machine of the prior art and cutting knife are synchronization action, eedle rises, and cutting knife is approaching synchronously rises, particularly when making the clothing that need to turn round, as: shirt collar, when making, along the outer edge of collar, intermediate demand continues to make after turning 90 °, if eedle is synchronizeed with cutting knife, in the place of turning, need machine to quit work and eedle and cutting knife are adjusted to propradation then cloth are turned and continued to make, it is very inconvenient to operate, and affects operating efficiency.
Summary of the invention:
The purpose of this utility model be to provide a kind of when the clothing made from turning without the cutting knife eedle asynchronous mechanism of shutting down, easy to operate, efficiency is high.
The utility model is achieved in that
A kind of cutting knife eedle asynchronous mechanism, the one end that is positioned at head head on upper axle is connected with asynchronous eccentric wheel from the inside to the outside in turn, needle bar crank, upper shaft hole eccentric setting on described asynchronous eccentric wheel, upper shaft hole on needle bar crank arranges between two parties, one end of cutter connecting rod is sleeved on outside asynchronous eccentric wheel, the other end is connected with cutting knife, on needle bar crank, be connected with eedle, on asynchronous eccentric wheel and needle bar crank, be provided with asynchronous eccentric orfice, two asynchronous eccentric orfices are coaxially set, between needle bar crank and asynchronous eccentric wheel, by the connecting axle being plugged on the asynchronous eccentric orfice of asynchronous eccentric wheel and needle bar crank, be connected, asynchronous eccentric wheel, needle bar crank rotates and realizes cutting knife with upper axle, eedle asynchronous behavior.
Above-mentioned needle bar crank is connected with thread take-up tension lever, and thread take-up tension lever is connected with one end of shank connecting rod, on shank connecting rod, is provided with shank, and the lower end of shank is provided with eedle.
Upper shaft hole on above-mentioned asynchronous eccentric wheel and asynchronous eccentric centerline collineation, the offset between the upper shaft hole on asynchronous eccentric wheel and asynchronous eccentric wheel is 2-7mm.
The center line of asynchronous eccentric orfice on above-mentioned asynchronous eccentric wheel and the angle between the center line of upper shaft hole are 30 °-70 °.
Angle between the center line of the asynchronous eccentric orfice on above-mentioned cutter connecting rod and the center line of upper shaft hole is 30 °-70 °.
The other end of above-mentioned needle bar crank is provided with slitter shaft joint pin, on slitter shaft joint pin, be connected with slitter shaft and cutting knife slide block, cutting knife slide block can move up and down at cutting knife slide block guide rail, the lower end of slitter shaft is connected with cutting knife clutch support, on cutting knife clutch support, be provided with cutting knife on-of pin, one end of cutting knife on-of pin is connected with Cutter apron, is provided with cutting knife on Cutter apron.
Between above-mentioned asynchronous eccentric wheel and cutter connecting rod, be provided with bearing.
The utility model compared to existing technology outstanding advantage is:
The utility model by arranging eccentric orfice on asynchronous eccentric wheel and needle bar crank, drive cutting knife on asynchronous eccentric wheel and the eedle asynchronous behavior on needle bar crank, can guarantee when making the cloth that needs corner, at point of a knife, do not damage under the prerequisite of cloth and can directly turn round, easy and simple to handle, improved operating efficiency simultaneously, be applicable in various flat seam machine.
Accompanying drawing explanation:
Fig. 1 is one of schematic perspective view of the present utility model;
Fig. 2 is two of schematic perspective view of the present utility model;
Fig. 3 is that asynchronous eccentric wheel of the present utility model and needle bar crank are sleeved on the schematic diagram on axle;
Fig. 4 is asynchronous eccentric schematic diagram of the present utility model;
Fig. 5 is the schematic diagram of needle bar crank of the present utility model.
The specific embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-5:
A kind of cutting knife eedle asynchronous mechanism, the one end that is positioned at head head on upper axle 10 is connected with asynchronous eccentric wheel 20 from the inside to the outside in turn, needle bar crank 30, upper shaft hole 201 eccentric settings on described asynchronous eccentric wheel 20, upper shaft hole 301 on needle bar crank 30 arranges between two parties, cutter connecting rod 40 one end is sleeved on outside asynchronous eccentric wheel 20, the other end is connected with cutting knife 50, on needle bar crank 30, be connected with eedle 60, on asynchronous eccentric wheel 20 and needle bar crank 30, be provided with asynchronous eccentric orfice 202, 302, two asynchronous eccentric orfices 202, 302 are coaxially set, between needle bar crank 30 and asynchronous eccentric wheel 20 by being plugged on the asynchronous eccentric orfice 202 of asynchronous eccentric wheel 20 and needle bar crank 30, connecting axle on 302 is connected, asynchronous eccentric wheel 20, needle bar crank 30 rotates and realizes cutting knife 50 with upper axle 10, eedle 60 asynchronous behaviors.Eedle 60 is all positioned on needle plate 180 with cutting knife 50.Because eedle is synchronizeed knee-action with cutting knife,, when the clothing made from turning, because causing line, eedle cannot get through, and adopt eedle and cutting knife asynchronous, can guarantee that line goes over.
Above-mentioned needle bar crank 30 is connected with thread take-up tension lever 70, thread take-up tension lever 70 is connected with shank connecting rod 80 one end, the other end of shank connecting rod 80 is connected with respectively shank 100 and shank joint slide block by shank joint pin 90, shank joint slide block can move up and down at shank joint slide block guide rail 110, and shank 100 lower end is provided with eedle 60.Shank 100 and shank joint slide block lay respectively at shank connecting rod 80 both sides.
Angle α between the center line 204 of the asynchronous eccentric orfice 202 on above-mentioned asynchronous eccentric wheel 20 and the center line 203 of upper shaft hole 201 is 30 °-70 °, as 50 °, 55 °, according to actual conditions, carry out, the center of circle in asynchronous eccentric orfice 202 cross section is dropped on the center line 204 of asynchronous eccentric orfice 202, can select according to actual conditions, match with the asynchronous eccentric orfice 302 position on needle bar crank 30 in the asynchronous eccentric orfice 202 position on asynchronous eccentric wheel 20.
Angle β between the center line 304 of the asynchronous eccentric orfice 302 on above-mentioned needle bar crank 30 and the center line 303 of upper shaft hole 301 is 30 °-70 °, as 50 °, 55 °, according to actual conditions, carry out, the center of circle in asynchronous eccentric orfice 302 cross section is dropped on the center line 304 of asynchronous eccentric orfice 302, can select according to actual conditions, match with the asynchronous eccentric orfice 202 position on asynchronous eccentric wheel 20 in the asynchronous eccentric orfice 302 position on needle bar crank 30.
The other end of above-mentioned cutter connecting rod 40 is provided with slitter shaft joint pin 120, on slitter shaft joint pin 120, be connected with slitter shaft 130 and cutting knife slide block, cutting knife slide block can move up and down at cutting knife slide block guide rail 140, slitter shaft 130 lower end is connected with cutting knife clutch support 150, on cutting knife clutch support 150, be provided with cutting knife on-of pin 160, cutting knife on-of pin 160 one end is connected with Cutter apron 170, is provided with cutting knife 50 on Cutter apron 170.
Between above-mentioned asynchronous eccentric wheel 20 and cutter connecting rod 40, be provided with bearing.
The utility model can, at eedle 60 during in lower off-position, have the interval of 3mm left and right between cutting knife 50 and needle plate 60, guarantee that line passes through smoothly.
Above-described embodiment is only one of preferred embodiment of the present utility model; not with this, limit practical range of the present utility model; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.
Claims (7)
1. a cutting knife eedle asynchronous mechanism, it is characterized in that: the one end that is positioned at head head on upper axle is connected with asynchronous eccentric wheel from the inside to the outside in turn, needle bar crank, upper shaft hole eccentric setting on described asynchronous eccentric wheel, upper shaft hole on needle bar crank arranges between two parties, one end of cutter connecting rod is sleeved on outside asynchronous eccentric wheel, the other end is connected with cutting knife, on needle bar crank, be connected with eedle, on asynchronous eccentric wheel and needle bar crank, be provided with asynchronous eccentric orfice, two asynchronous eccentric orfices are coaxially set, between needle bar crank and asynchronous eccentric wheel, by the connecting axle being plugged on the asynchronous eccentric orfice of asynchronous eccentric wheel and needle bar crank, be connected, asynchronous eccentric wheel, needle bar crank rotates and realizes cutting knife with upper axle, eedle asynchronous behavior.
2. a kind of cutting knife eedle asynchronous mechanism according to claim 1, it is characterized in that: described needle bar crank is connected with thread take-up tension lever, thread take-up tension lever is connected with one end of shank connecting rod, the other end of shank connecting rod is connected with respectively shank and shank joint slide block by shank joint pin, shank joint slide block can move up and down at shank joint slide block guide rail, and the lower end of shank is provided with eedle.
3. a kind of cutting knife eedle asynchronous mechanism according to claim 1, is characterized in that: the upper shaft hole on described asynchronous eccentric wheel and asynchronous eccentric centerline collineation, the offset between the upper shaft hole on asynchronous eccentric wheel and asynchronous eccentric wheel is 2-7mm.
4. a kind of cutting knife eedle asynchronous mechanism according to claim 1, is characterized in that: the center line of asynchronous eccentric orfice on described asynchronous eccentric wheel and the angle between the center line of upper shaft hole are 30 °-70 °.
5. a kind of cutting knife eedle asynchronous mechanism according to claim 1, is characterized in that: between the center line of the asynchronous eccentric orfice on described cutter connecting rod and the center line of upper shaft hole, angle is 30 °-70 °.
6. a kind of cutting knife eedle asynchronous mechanism according to claim 1, it is characterized in that: the other end of described needle bar crank is provided with slitter shaft joint pin, on slitter shaft joint pin, be connected with slitter shaft and cutting knife slide block, cutting knife slide block can move up and down at cutting knife slide block guide rail, the lower end of slitter shaft is connected with cutting knife clutch support, on cutting knife clutch support, be provided with cutting knife on-of pin, one end of cutting knife on-of pin is connected with Cutter apron, is provided with cutting knife on Cutter apron.
7. a kind of cutting knife eedle asynchronous mechanism according to claim 1, is characterized in that: between described asynchronous eccentric wheel and cutter connecting rod, be provided with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320274686.4U CN203393429U (en) | 2013-05-17 | 2013-05-17 | Asynchronous mechanism for cutter and needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320274686.4U CN203393429U (en) | 2013-05-17 | 2013-05-17 | Asynchronous mechanism for cutter and needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203393429U true CN203393429U (en) | 2014-01-15 |
Family
ID=49904974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320274686.4U Expired - Lifetime CN203393429U (en) | 2013-05-17 | 2013-05-17 | Asynchronous mechanism for cutter and needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203393429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243493A (en) * | 2013-05-17 | 2013-08-14 | 新杰克缝纫机股份有限公司 | Cutter and machine needle asynchronization mechanism |
-
2013
- 2013-05-17 CN CN201320274686.4U patent/CN203393429U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243493A (en) * | 2013-05-17 | 2013-08-14 | 新杰克缝纫机股份有限公司 | Cutter and machine needle asynchronization mechanism |
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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: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE Co.,Ltd. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: NEW JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |