CN204000211U - 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
- Publication number
- CN204000211U CN204000211U CN201420299958.0U CN201420299958U CN204000211U CN 204000211 U CN204000211 U CN 204000211U CN 201420299958 U CN201420299958 U CN 201420299958U CN 204000211 U CN204000211 U CN 204000211U
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- axis
- guide
- fixed mount
- main shaft
- middle cutter
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- 230000009471 action Effects 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000009958 sewing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model 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 into for the utility model, 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 utility model belongs to sewing device technical field, refers 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 fixed on main shaft 2, the unsettled setting of the other end in the market, and stability is bad, causes middle cutter 3 fast occurring rocking in swing process up and down; In cutting in cloth process, cutter 3 need to keep minim gap with the stationary knife 4 of platen, diminishes greatly because rocking of middle cutter 3 there will be gap to become, and gap is large can impact cut cloth effect, and gap is less than or equal at 1 o'clock and there will be collision, has a strong impact on 3 service lifes of middle cutter.
Summary of the invention:
The purpose of this utility model is to provide rocking that in a kind of minimizing, cutter fixed mount produces in the course of the work, and middle cutter is steadily moved up and down in working angles, improves and cuts cloth quality, knife structure in the muti needle chainstitch m/c of cutter loss in minimizing.
The utility model is achieved in that
Knife structure in a kind of muti needle chainstitch m/c, include contiguous block, be arranged on the main shaft on contiguous block, stretch out respectively outside the upper end, lower end of contiguous block at the two ends of main shaft, described contiguous block one side is provided with the axis of guide, and stretch out outside the lower end of contiguous block the lower end of the axis of guide, and 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, and the other end of middle cutter fixed mount is provided with middle cutter.
Above-mentioned contiguous block includes a riser, upper and lower level board one, the lower horizontal board one of being arranged at intervals with of one side of riser, the spindle mounting hole, the opposite side that on upper and lower level board one, are provided with coaxial line are arranged at intervals with level board two, lower horizontal board two up and down, are provided with the axis of guide installing hole of coaxial line on upper and lower level board two.
In the axis of guide installing hole of above-mentioned upper and lower level board two, be respectively arranged with fairlead, the axis of guide is arranged in 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, the upper end of main shaft is stretched out outside level board one, stretch out outside lower horizontal board one lower end, on the main shaft between upper level board one and lower horizontal board one, spacer sleeve is equipped with active plate, spring housing from top to bottom, between spring housing and lower horizontal board one, is 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 part is provided with spindle mounting hole and the lower end of main shaft is connected, the other end is provided with strip shape hole, middle cutter is arranged on strip shape hole, and the position of middle cutter on strip shape 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, and the closed end of open slot and openend lay respectively at the both sides of circular hole, on the openend of open slot, are provided with trip bolt.
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, and 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 spacing shape 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 utility model is given 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 into for the utility model, reduces rocking of producing in the process that moves up and down, and middle cutter is steadily moved up and down in working angles, and raising is cut cloth quality, cutter loss in minimizing;
2, the guiding when axis of guide of the present utility model provides middle cutter fixed mount to move up and down, makes middle cutter fixed mount move up and down more steady;
3, in the utility model, the axis of guide mounting groove of cutter fixed mount can be realized and being connected of the axis of guide, and capable of regulating is due to the bending of the middle cutter fixed mount of the fastening generation of main shaft trip bolt again.
Brief description of the drawings:
Fig. 1 is the schematic diagram of background technology;
Fig. 2 is one of schematic diagram of the present utility model;
Fig. 3 is two of schematic diagram of the present utility model;
Fig. 4 is three of schematic diagram of the present utility model;
Fig. 5 is use state diagram of the present utility model;
Fig. 6 is the schematic diagram of contiguous block of the present utility model;
Fig. 7 is the schematic diagram of middle cutter fixed mount of the present utility model;
Fig. 8 is the schematic diagram of the axis of guide of the present utility model.
Detailed description of the invention:
With specific embodiment, the utility model is further described below, referring to Fig. 2-8:
Knife structure in a kind of muti needle chainstitch m/c, include contiguous block 10, be 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, the top of main shaft 20 is provided with the driver that drives its action, described contiguous block 10 1 sides are provided with the axis of guide 40, stretch out outside the lower end of contiguous block 10 lower end of the axis of guide 40, the lower end of the axis of guide 40 is connected with one end of middle cutter fixed mount 50, the lower end of main shaft 20 is connected with the middle part of middle cutter fixed mount 50, and the other end of middle cutter fixed mount 50 is provided with middle cutter 60.
Above-mentioned contiguous block 10 includes a riser 11, upper and lower level board 1, the lower horizontal board 1 of being arranged at intervals with of one side of riser 11, the spindle mounting hole 14,15, the opposite side that on upper and lower level board one 12,13, are provided with coaxial line are arranged at intervals with level board 2 16, lower horizontal board 2 17 up and down, are provided with the axis of guide installing hole 18,19 of coaxial line on upper and lower level board 2 16,17.
In the axis of guide installing hole 18,19 of above-mentioned upper and lower level board 2 16,17, be provided with fairlead 70,80 respectively, the axis of guide 40 is arranged in fairlead 70,80, and the upper end of the axis of guide 40 is stretched out outside level 2 16, stretch out outside lower horizontal board 2 17 lower end.
In the spindle mounting hole 15 of above-mentioned lower horizontal board 1, be provided with sleeve 90, main shaft 20 is arranged in sleeve 90, the upper end of main shaft 20 is stretched out outside level board 1, stretch out outside lower horizontal board 1 lower end, on the main shaft 20 between upper level board 1 and lower horizontal board 1, spacer sleeve is equipped with active plate 100, spring housing 110 from top to bottom, between spring housing 110 and lower horizontal board 1, is provided with spring 120.
The lower end that the lower end that one end of above-mentioned middle cutter fixed mount 50 is provided with axis of guide installing hole 51 and the axis of guide 40 is connected, middle part is provided with spindle mounting hole 52 and main shaft 20 is connected, the other end is provided with strip shape hole 53, middle cutter 60 is arranged on strip shape hole 53, and middle cutter 60 is adjustable in 53Shang position, strip shape hole.Middle cutter 60 is fixed on strip shape 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 54 and arranges, and the closed end 55 of open slot and openend 56 lay respectively at the both sides of circular hole 54, on the openend 56 of open slot, is provided with trip bolt 160.By trip bolt 160, middle cutter fixed mount 50 is connected with main shaft 20.
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 is stepped hole, and the lower end surface of the axis of guide 40 is provided with screwed hole 41, and the interior realization in end-face helical hole 41 that screw 170 is screwed onto the axis of guide 40 through pad 180 is fixed.
On the above-mentioned axis of guide 40, be provided with spacing shape convex edge 42, limit convex is arranged in the upper plane of middle cutter fixed mount 50 along 42.
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, stable.
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, the lower end of cylinder sleeve 150 is arranged in the spindle mounting hole 14 of level board 1, the cylinder block of cylinder 30 is arranged on the top of cylinder sleeve 150, the cylinder rod of cylinder 30 stretches in cylinder sleeve 150, the upper end of main shaft 20 is stretched 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 utility model is fixedly connected with the middle part of middle cutter fixed mount 50, between one end of middle cutter fixed mount 50 and contiguous block 10, is connected by the axis of guide 40, and when main shaft 20 moves up and down, middle cutter fixed mount 50 is more steady, can not produce and rock; Cutting in cloth process, middle cutter 60 can not rock, and between middle cutter 60 and the stationary knife 190 of platen, can stably keep minim gap, has avoided middle cutter 60 to touch the generation of the phenomenons such as stationary knife 190, has greatly improved and has cut cloth quality, has improved the service life of middle cutter 60.
Operation principle of the present utility model:
The cylinder rod of cylinder 30 stretches out downwards, acts on main shaft 20, and main shaft 20 moves down, and in drive, cutter 60 fixed mounts 50 and the middle cutter 60 that is arranged on middle cutter fixed mount 50 move down, and meanwhile, the axis of guide 40 also moves down the effect of playing guiding; When the cylinder rod of gas 30 cylinders bounces back, act on the power hour on main shaft 20, main shaft 20 automatically resets under the effect of spring 120, and then drives the axis of guide 40 and middle cutter 60 to automatically reset.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; 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 (9)
1. knife structure in a muti needle chainstitch m/c, include contiguous block, be arranged on the main shaft on contiguous block, outside stretch upper end, the lower end that contiguous block is stretched out respectively at the two ends of main shaft, it is characterized in that: 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, and the other end of middle cutter fixed mount is provided with middle cutter.
2. knife structure in a kind of muti needle chainstitch m/c according to claim 1, it is characterized in that: described contiguous block includes a riser, upper and lower level board one, the lower horizontal board one of being arranged at intervals with of one side of riser, the spindle mounting hole, the opposite side that on upper and lower level board one, are provided with coaxial line are arranged at intervals with level board two, lower horizontal board two up and down, are provided with the axis of guide installing hole of coaxial line on upper and lower level board two.
3. knife structure in a kind of muti needle chainstitch m/c according to claim 2, it is characterized in that: in the axis of guide installing hole of described upper and lower level board two, be respectively arranged with fairlead, the axis of guide is arranged in 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.
4. knife structure in a kind of muti needle chainstitch m/c according to claim 2, it is characterized in that: in the spindle mounting hole of described lower horizontal board one, be provided with sleeve, main shaft is arranged in sleeve, the upper end of main shaft is stretched out outside level board one, stretch out outside lower horizontal board one lower end, on the main shaft between upper level board one and lower horizontal board one, spacer sleeve is equipped with active plate, spring housing from top to bottom, between spring housing and lower horizontal board one, is provided with spring.
5. knife structure in a kind of muti needle chainstitch m/c according to claim 1, it is characterized in that: the lower end that one end of described middle cutter fixed mount is provided with axis of guide installing hole and the axis of guide is connected, middle part is provided with spindle mounting hole and the lower end of main shaft is connected, the other end is provided with strip shape hole, middle cutter is arranged on strip shape hole, and the position of middle cutter on strip shape hole is adjustable.
6. knife structure in a kind of muti needle chainstitch m/c according to claim 5, it is characterized in that: described spindle mounting hole is to include circular hole and open slot, open slot radially runs through circular hole setting, the closed end of open slot and openend are not positioned at the both sides of circular hole, on the openend of open slot, are provided with trip bolt.
7. knife structure in a kind of muti needle chainstitch m/c according to claim 5, it is characterized in that: one end of described middle cutter fixed mount is provided with axis of guide installing hole, 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.
8. knife structure in a kind of muti needle chainstitch m/c according to claim 7, is characterized in that: on the described axis of guide, be provided with spacing shape convex edge, limit convex is along being arranged in the upper plane of middle cutter fixed mount.
9. knife structure in a kind of muti needle chainstitch m/c according to claim 1, is characterized in that: described driver is cylinder or electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299958.0U CN204000211U (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 |
|---|---|---|---|
| CN201420299958.0U CN204000211U (en) | 2014-06-06 | 2014-06-06 | Knife structure in a kind of muti needle chainstitch m/c |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204000211U true CN204000211U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420299958.0U Withdrawn - After Issue CN204000211U (en) | 2014-06-06 | 2014-06-06 | Knife structure in a kind of muti needle chainstitch m/c |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204000211U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993433A (en) * | 2014-06-06 | 2014-08-20 | 台州拓卡奔马机电科技有限公司 | Middle knife structure of placket machine |
| CN105926191A (en) * | 2016-05-20 | 2016-09-07 | 拓卡奔马机电科技有限公司 | Full-automatic slant pocket angle tool apron mechanism, control system and control method |
| CN105951318A (en) * | 2016-05-20 | 2016-09-21 | 拓卡奔马机电科技有限公司 | Angular cutter seat for slant pockets and full-automatic angular cutter seat mechanism for slant pockets |
| CN107059269A (en) * | 2016-12-23 | 2017-08-18 | 杰克缝纫机股份有限公司 | Thread shearing device of sewing machine |
-
2014
- 2014-06-06 CN CN201420299958.0U patent/CN204000211U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993433A (en) * | 2014-06-06 | 2014-08-20 | 台州拓卡奔马机电科技有限公司 | Middle knife structure of placket machine |
| CN105926191A (en) * | 2016-05-20 | 2016-09-07 | 拓卡奔马机电科技有限公司 | Full-automatic slant pocket angle tool apron mechanism, control system and control method |
| CN105951318A (en) * | 2016-05-20 | 2016-09-21 | 拓卡奔马机电科技有限公司 | Angular cutter seat for slant pockets and full-automatic angular cutter seat mechanism for slant pockets |
| CN105951318B (en) * | 2016-05-20 | 2019-01-11 | 拓卡奔马机电科技有限公司 | Slant pocket angle pocket angle tool apron and full-automatic slant pocket angle pocket angle knife holder mechanism |
| CN107059269A (en) * | 2016-12-23 | 2017-08-18 | 杰克缝纫机股份有限公司 | Thread shearing device of sewing machine |
| CN107059269B (en) * | 2016-12-23 | 2020-06-09 | 杰克缝纫机股份有限公司 | Sewing machine thread trimmer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |