CN103993433B - Knife structure in a kind of muti needle chainstitch m/c - Google Patents
Knife structure in a kind of muti needle chainstitch m/c Download PDFInfo
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- CN103993433B CN103993433B CN201410248220.6A CN201410248220A CN103993433B CN 103993433 B CN103993433 B CN 103993433B CN 201410248220 A CN201410248220 A CN 201410248220A CN 103993433 B CN103993433 B CN 103993433B
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- axis
- guide
- hole
- fixed mount
- contiguous block
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Abstract
The invention belongs to sewing device technical field, refer in particular to knife structure in a kind of muti needle chainstitch m/c, include contiguous block, be arranged on the main shaft on contiguous block, the upper end of contiguous block is stretched out respectively at the two ends of main shaft, outside lower end, described contiguous block one side is provided with the axis of guide, stretch out outside the lower end of contiguous block the lower end of the axis of guide, the lower end of the axis of guide is connected with one end of middle cutter fixed mount, the lower end of main shaft is connected with the middle part of middle cutter fixed mount, upper end is provided with the driver that drives its action, the other end of middle cutter fixed mount is provided with middle cutter, cutter fixed mount is monolateral in will be fixes in the middle of fixedly changing in the present invention, reduce rocking of producing in the process that moves up and down, cutter is steadily moved up and down in working angles, improve and cut cloth quality, cutter loss in minimizing, the guiding when axis of guide provides middle cutter fixed mount to move up and down, makes middle cutter fixed mount move up and down more steady.
Description
Technical field:
The invention belongs to sewing device technical field, refer in particular to knife structure in a kind of muti needle chainstitch m/c.
Background technology:
The middle cutter mechanism of muti needle chainstitch m/c (also calling off a machine) is because one end of middle cutter cantilever mounted 1 is solid in the marketFix on main shaft 2, the unsettled setting of the other end, stability is bad, causes middle cutter 3 in quick swing process up and downIn occur rocking; In cutting in cloth process, cutter 3 need to keep minim gap with the stationary knife 4 of platen, due to middle cutter 3Rock and there will be gap change to diminish greatly, gap is large can impact cut cloth effect, and gap is less than or equal at 1 o'clock and can goes outNow collision, has a strong impact on 3 service lifes of middle cutter.
Summary of the invention:
The object of this invention is to provide rocking that in a kind of minimizing, cutter fixed mount produces in the course of the work, makeMiddle cutter steadily moves up and down in working angles, improves and cuts cloth quality, cutter in the muti needle chainstitch m/c of cutter loss in minimizingStructure.
The present invention is achieved in that
Knife structure in a kind of muti needle chainstitch m/c, includes contiguous block, is arranged on the main shaft on contiguous block, two of main shaftEnd stretches out respectively outside the upper end, lower end of contiguous block, and described contiguous block one side is provided with the axis of guide, guidingStretch out outside the lower end of contiguous block the lower end of axle, and the lower end of the axis of guide is connected with one end of middle cutter fixed mount, mainThe lower end of axle is connected with the middle part of middle cutter fixed mount, upper end is provided with the driver that drives its action, and middle cutter is solidThe other end of determining frame is provided with middle cutter.
Above-mentioned contiguous block includes a riser, a side of riser is upper and lower be arranged at intervals with level board one,Lower horizontal board one, the spindle mounting hole, opposite side that is provided with coaxial line on upper and lower level board one between the upper and lower everyBe provided with level board two, lower horizontal board two, on upper and lower level board two, be provided with the axis of guide peace of coaxial lineDress hole.
In the axis of guide installing hole of above-mentioned upper and lower level board two, be respectively arranged with fairlead, axis of guide settingIn fairlead, and the upper end of the axis of guide is stretched out outside level board two, stretch out outside lower horizontal board two lower end.
In the spindle mounting hole of above-mentioned lower horizontal board one, be provided with sleeve, main shaft is arranged in sleeve, main shaftUpper end stretch out outside level board one, lower end stretches out outside lower horizontal board one, at upper level board one and lower waterOn main shaft between dull and stereotyped one, spacer sleeve is equipped with active plate, spring housing from top to bottom, in spring housing and lower levelBetween plate one, be provided with spring.
The lower end that one end of above-mentioned middle cutter fixed mount is provided with axis of guide installing hole and the axis of guide is connected, middle partThe lower end that is provided with spindle mounting hole and main shaft is connected, the other end is provided with strip hole, and middle cutter is arranged on lengthOn bar hole, the position of middle cutter on strip hole is adjustable.
Above-mentioned spindle mounting hole is to include circular hole and open slot, and open slot radially runs through circular hole setting, opensThe closed end of mouth groove and openend lay respectively at the both sides of circular hole, are provided with fastening on the openend of open slotScrew.
One end of above-mentioned middle cutter fixed mount is provided with axis of guide installing hole, and axis of guide installing hole is stepped hole,The lower end surface of the axis of guide is provided with screwed hole, screw be screwed onto in the end-face helical hole of the axis of guide, realize fixing.
On the above-mentioned axis of guide, be provided with limit convex edge, limit convex is along being arranged in the upper plane of middle cutter fixed mount.
Above-mentioned driver is cylinder or electromagnet.
The advantage that the present invention gives prominence to is compared to existing technology:
1, that cutter fixed mount is monolateral in will be is fixing in the middle of fixedly changing in the present invention, and minimizing moves up and down in processWhat produce rocks, and middle cutter is steadily moved up and down in working angles, improves and cuts cloth quality, cutter in minimizingLoss;
2, the guiding when axis of guide of the present invention provides middle cutter fixed mount to move up and down, makes middle cutter fixed mount upper and lowerMove more steady;
3, in the present invention, the axis of guide mounting groove of cutter fixed mount can be realized and being connected of the axis of guide, capable of regulating againDue to the bending of the middle cutter fixed mount of the fastening generation of main shaft trip bolt.
Brief description of the drawings:
Fig. 1 is the schematic diagram of background technology;
Fig. 2 is one of schematic diagram of the present invention;
Fig. 3 is two of schematic diagram of the present invention;
Fig. 4 is three of schematic diagram of the present invention;
Fig. 5 is use state diagram of the present invention;
Fig. 6 is the schematic diagram of contiguous block of the present invention;
Fig. 7 is the schematic diagram of middle cutter fixed mount of the present invention;
Fig. 8 is the schematic diagram of the axis of guide of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, referring to Fig. 2-8:
Knife structure in a kind of muti needle chainstitch m/c, includes contiguous block 10, is arranged on the main shaft 20 on contiguous block 10,The upper end of main shaft 20 is stretched out outside the upper end of contiguous block 10, stretch out outside the lower end of contiguous block 10 lower end, mainThe top of axle 20 is provided with the driver that drives its action, and described contiguous block 10 1 sides are provided with the axis of guide40, stretch out outside the lower end of contiguous block 10 lower end of the axis of guide 40, and the lower end of the axis of guide 40 and middle cutter are fixedOne end of frame 50 connects, and the lower end of main shaft 20 is connected with the middle part of middle cutter fixed mount 50, middle cutter fixed mount 50The other end be provided with middle cutter 60.
Above-mentioned contiguous block 10 includes a riser 11, the upper and lower water that is arranged at intervals with of a side of riser 11Flat board 1, lower horizontal board 1, the main shaft that is provided with coaxial line on upper and lower level board one 12,13 is pacifiedDress hole 14,15, opposite side are arranged at intervals with level board 2 16, lower horizontal board 2 17, upper and lower water up and downOn dull and stereotyped 2 16,17, be provided with the axis of guide installing hole 18,19 of coaxial line.
In the axis of guide installing hole 18,19 of above-mentioned upper and lower level board 2 16,17, be provided with guiding respectivelyCover 70,80, the axis of guide 40 is arranged in fairlead 70,80, and level is stretched out in the upper end of the axis of guide 40Outside 2 16, lower end stretches out outside lower horizontal board 2 17.
In the spindle mounting hole 15 of above-mentioned lower horizontal board 1, be provided with sleeve 90, main shaft 20 is arranged onIn sleeve 90, the upper end of main shaft 20 is stretched out outside level board 1, lower horizontal board 1 is stretched out in lower endOutside, on the main shaft 20 between upper level board 1 and lower horizontal board 1, spacer sleeve is equipped with from top to bottomActive plate 100, spring housing 110 are provided with spring 120 between spring housing 110 and lower horizontal board 1.
It is solid with the lower end of the axis of guide 40 that one end of above-mentioned middle cutter fixed mount 50 is provided with axis of guide installing hole 51The lower end connect, middle part being provided with spindle mounting hole 52 and main shaft 20 is connected, the other end is provided with strip hole53, middle cutter 60 is arranged on strip hole 53, and middle cutter 60 is adjustable in 53Shang position, strip hole. InCutter 60 is fixed on strip hole 53 and is connected with middle cutter fixed mount 50 by middle tool rest 130, screw 140.
Above-mentioned spindle mounting hole 52 is to include circular hole 54 and open slot, and open slot radially runs through circular hole 54Arrange, the closed end 55 of open slot and openend 56 lay respectively at the both sides of circular hole 54, opening of open slotOn mouth end 56, be provided with trip bolt 160. By trip bolt 160 by middle cutter fixed mount 50 and main shaft 20Be connected.
One end of above-mentioned middle cutter fixed mount 50 is provided with axis of guide installing hole 51, and axis of guide installing hole 51 isStepped hole, the lower end surface of the axis of guide 40 is provided with screwed hole 41, and screw 170 is screwed onto through pad 180The interior realization in end-face helical hole 41 of the axis of guide 40 is fixed.
On the above-mentioned axis of guide 40, be provided with limit convex along 42, limit convex is arranged on middle cutter fixed mount 50 along 42Upper plane on.
Limit convex along 42, pad 180, screw 170 realize being connected of the axis of guide 40 and middle cutter fixed mount 50,And be connected firmly, stablize.
Above-mentioned driver is cylinder 30 or electromagnet.
The mounting structure of cylinder 30 is: on upper level board 1, be provided with cylinder sleeve 150, cylinder jacketThe lower end of cylinder 150 is arranged in the spindle mounting hole 14 of level board 1, the cylinder block setting of cylinder 30Above cylinder sleeve 150, the cylinder rod of cylinder 30 stretches in cylinder sleeve 150, main shaft 20 upperEnd stretches in cylinder sleeve 150, and the cylinder rod of cylinder 30 acts on main shaft 20 downwards while stretching out.
Main shaft 20 of the present invention is fixedly connected with the middle part of middle cutter fixed mount 50, one end of middle cutter fixed mount 50And between contiguous block 10, be connected by the axis of guide 40, when main shaft 20 moves up and down, middle cutter fixed mount 50 moreAdd steadily, can not produce and rock; Cutting in cloth process, middle cutter 60 can not rock, middle cutter 60 and platenBetween stationary knife 190, can stably keep minim gap, avoid middle cutter 60 to touch the generation of the phenomenons such as stationary knife 190,Greatly improve and cut cloth quality, improved the service life of middle cutter 60.
Operation principle of the present invention:
The cylinder rod of cylinder 30 stretches out downwards, acts on main shaft 20, and main shaft 20 moves down, cutter in drive60 fixed mounts 50 and the middle cutter 60 being arranged on middle cutter fixed mount 50 move down, meanwhile, and the axis of guide 40Also move down the effect of playing guiding; When the cylinder rod of gas 30 cylinders bounces back, act on the power on main shaft 20Hour, main shaft 20 automatically resets under the effect of spring 120, and then drives the axis of guide 40 and middle cutter 60 certainlyMoving reset.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits of the present invention with thisPractical range, therefore: all equivalences of doing according to shape of the present invention, structure, principle change, all shouldWithin being covered by protection scope of the present invention.
Claims (8)
1. a knife structure in muti needle chainstitch m/c, includes contiguous block, is arranged on the main shaft on contiguous block, main shaftStretch out respectively outside the upper end, lower end of contiguous block at two ends, it is characterized in that: described contiguous block one side settingHave the axis of guide, stretch out outside the lower end of contiguous block the lower end of the axis of guide, the lower end of the axis of guide and middle cutter fixed mountOne end connect, the lower end of main shaft is connected with the middle part of middle cutter fixed mount, upper end is provided with its action of drivingDriver, the other end of middle cutter fixed mount is provided with middle cutter;
Described contiguous block includes a riser, a side of riser is upper and lower be arranged at intervals with level board one,Lower horizontal board one, the spindle mounting hole, opposite side that is provided with coaxial line on upper and lower level board one between the upper and lower everyBe provided with level board two, lower horizontal board two, on upper and lower level board two, be provided with the axis of guide peace of coaxial lineDress hole.
2. knife structure in a kind of muti needle chainstitch m/c according to claim 1, is characterized in that: described upper,In the axis of guide installing hole of lower horizontal board two, be respectively arranged with fairlead, the axis of guide is arranged in fairlead, andThe upper end of the axis of guide is stretched out outside level board two, stretch out outside lower horizontal board two lower end.
3. knife structure in a kind of muti needle chainstitch m/c according to claim 1, is characterized in that: described lower waterIn dull and stereotyped one spindle mounting hole, be provided with sleeve, main shaft is arranged in sleeve, and water is stretched out in the upper end of main shaftOutside dull and stereotyped one, lower end stretches out outside lower horizontal board one, the master between upper level board one and lower horizontal board oneOn axle, spacer sleeve is equipped with active plate, spring housing from top to bottom, between spring housing and lower horizontal board one, is provided withSpring.
4. knife structure in a kind of muti needle chainstitch m/c according to claim 1, is characterized in that: described middle cutterThe lower end that one end of fixed mount is provided with axis of guide installing hole and the axis of guide is connected, middle part is provided with main shaft and installsThe lower end of hole and main shaft is connected, the other end is provided with strip hole, and middle cutter is arranged on strip hole, middle cutterPosition on strip hole is adjustable.
5. knife structure in a kind of muti needle chainstitch m/c according to claim 4, is characterized in that: described main shaftInstalling hole is to include circular hole and open slot, and open slot radially runs through circular hole setting, the closed end of open slot andOpenend lays respectively at the both sides of circular hole, on the openend of open slot, is provided with trip bolt.
6. knife structure in a kind of muti needle chainstitch m/c according to claim 4, is characterized in that: described middle cutterOne end of fixed mount is provided with axis of guide installing hole, and axis of guide installing hole is stepped hole, the lower end end of the axis of guideFace is provided with screwed hole, screw be screwed onto in the end-face helical hole of the axis of guide, realize fixing.
7. knife structure in a kind of muti needle chainstitch m/c according to claim 6, is characterized in that: described guidingOn axle, be provided with limit convex edge, limit convex is along being arranged in the upper plane of middle cutter fixed mount.
8. knife structure in a kind of muti needle chainstitch m/c according to claim 1, is characterized in that: described drivingDevice is cylinder or electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248220.6A CN103993433B (en) | 2014-06-06 | 2014-06-06 | Knife structure in a kind of muti needle chainstitch m/c |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248220.6A CN103993433B (en) | 2014-06-06 | 2014-06-06 | Knife structure in a kind of muti needle chainstitch m/c |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103993433A CN103993433A (en) | 2014-08-20 |
| CN103993433B true CN103993433B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410248220.6A Expired - Fee Related CN103993433B (en) | 2014-06-06 | 2014-06-06 | Knife structure in a kind of muti needle chainstitch m/c |
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| CN (1) | CN103993433B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155143A (en) * | 2015-07-29 | 2015-12-16 | 苏州市众禾缝纫科技有限公司 | Intelligent cloth-cutting device of sewing machine and control method |
| CN106087260B (en) * | 2016-06-23 | 2019-05-07 | 浙江图元智能装备科技有限公司 | A kind of linear keyhole processing unit (plant) |
| CN111593503A (en) * | 2020-06-15 | 2020-08-28 | 拓卡奔马机电科技有限公司 | Cutter mechanism in door front of a garment machine's slope |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930562C1 (en) * | 1989-09-13 | 1991-01-31 | Duerkopp Adler Ag, 4800 Bielefeld, De | |
| CN101525819B (en) * | 2009-04-10 | 2012-11-14 | 新杰克缝纫机股份有限公司 | Clearance adjustable double-cutter structure applied to placket machine |
| CN202390641U (en) * | 2011-09-02 | 2012-08-22 | 台州拓卡奔马机电科技有限公司 | Automatic placket making machine with rear cutter mechanism |
| CN103388244B (en) * | 2013-08-05 | 2014-12-10 | 拓卡奔马机电科技有限公司 | Sewing machine cutter device |
| CN204000211U (en) * | 2014-06-06 | 2014-12-10 | 拓卡奔马机电科技有限公司 | Knife structure in a kind of muti needle chainstitch m/c |
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- 2014-06-06 CN CN201410248220.6A patent/CN103993433B/en not_active Expired - Fee Related
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| CN103993433A (en) | 2014-08-20 |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 317000 No. 71 River Road, Jiangnan street, Linhai City, Zhejiang, 181 Applicant after: BULLMER ELECTROMECHANICAL TECHNOLOGY CO., LTD. Address before: 317000, Zhejiang, Taizhou Province Jiangnan Jiangnan Street office seed farm Applicant before: Taizhou Topcut Bullmer Mechanical and Electrical Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: TAIZHOU TOPCUT BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. TO: TOPCUT-BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20210606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |