CN204959263U - Take cutters in drive of sword flush joint sewing machine - Google Patents
Take cutters in drive of sword flush joint sewing machine Download PDFInfo
- Publication number
- CN204959263U CN204959263U CN201520712230.0U CN201520712230U CN204959263U CN 204959263 U CN204959263 U CN 204959263U CN 201520712230 U CN201520712230 U CN 201520712230U CN 204959263 U CN204959263 U CN 204959263U
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- China
- Prior art keywords
- cutter
- knife rest
- upper cutter
- sewing machine
- backup plate
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- 238000009958 sewing Methods 0.000 title claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of sewing machine's technique and specifically relates to a take cutters in drive of sword flush joint sewing machine is related to, including locating the needle bar on the sewing machine aircraft nose, the lower extreme of needle bar stretches out the aircraft nose downside and the tip is equipped with the eedle, be equipped with on the frame under the eedle with eedle assorted pinhole, be close to the fixed knife rest cover that is equipped with in one side of eedle on the needle bar, the knife rest is sheathe in and is installed the adjustable cutter unit spare of going up in position. The advantage is: on traditional sewing machine's basis, redesign cutter unit spare structure, it can the cutters of direct mount on the machine needle bar to develop one kind. Be exactly the device that utilizes at current sewing machine drive needle bar, need not the device of increase drive cutter in addition, fix the installation of last cutter unit spare and just can realize cutting the cloth function on current sewing machine needle bar, this device simple structure, with low costs, no noise, pleasing to the eye, convenient operation, upward the cutter improves more than several times than the stand wear and tear degree of current machine.
Description
Technical field
The utility model relates to the technical field of Sewing machines, especially relates to a kind of band cutter sewing machine for covering chain stitch and drives upper cutter device.
Background technology
One or more sewing thread used by Sewing machines, and sewing is formed one or more stitchings, makes the machine that one or more layers sewing interweaves or unites by a seam.Sewing function makes the goods such as the fabrics such as cotton, fiber crops, silk, hair, artificial fibre and leather, plastics, paper, and the stitching neat appearance of stitching out, firmly smooth, sewing velocity is fast, easy to use.
The Sewing machines of existing band side cutting knife function drives cutter to be all carried out driving by upper axle, cam, connecting rod, guide shaft, chisel holder system etc., the upper axle of the Sewing machines of these types not only will drive shank that cutter assembly also will be driven to move, whole running is uneven, resistance is large, cutter assembly mechanism is complicated, part is many, part is arranged on machine exterior, and non lubricant oil lubricates.Therefore existing side cutting knife Sewing machines all exist use long-time after cause element part wear and tear hot-tempered sound large, beat steadily, cutting knife cuts the problems such as cloth difficulty.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide that a kind of structure is simple, cost is low, without hot-tempered sound, attractive in appearance, easy to operate, the band cutter sewing machine for covering chain stitch that upper cutter improves more than several times than the abrasivity of existing machine drives upper cutter device.
For realizing above-mentioned object, the utility model provides following technical scheme:
A kind of band cutter sewing machine for covering chain stitch drives upper cutter device, comprise the shank be located on head of sewing machine, the lower end of shank is stretched out on the downside of head and end is provided with eedle, support immediately below eedle is provided with the pin hole matched with eedle, side near eedle on shank is fixed with knife rest cover, and knife rest puts the upper cutter assembly being provided with position-adjustable.
The utility model is set to further: the concrete structure of described upper cutter assembly is: knife rest puts the knife rest being provided with and also can locating along the direction displacement perpendicular to shank axis, and knife rest is provided with can along the upper cutter of the direction displacement location that are parallel to shank axis.
The utility model is set to further: described knife rest puts to be provided with and can be along the concrete structure perpendicular to the direction displacement of shank axis the knife rest of location: knife rest puts and is provided with at least one first bolt hole, and at least one first bolt hole is provided with the first set screw; Knife rest puts and is provided with knife rest adjustment hole along the direction perpendicular to shank axis, and the first set screw passes knife rest adjustment hole by unscrewing or screw the shift position regulating knife rest relative to the first bolt hole.
The utility model is set to further: described knife rest being provided with the upper cutter structure also can located along the direction displacement being parallel to shank axis be: knife rest is provided with at least one second bolt hole, and at least one second bolt hole is provided with the second set screw; Knife rest is provided with upper cutter adjustment hole along the direction being parallel to shank axis, and the second set screw passes upper cutter adjustment hole by unscrewing or screw the shift position regulating upper cutter relative to the second bolt hole.
The utility model is set to further: position corresponding with upper cutter on described support is provided with the lower cutter of the blank that to match with upper cutter.
The utility model is set to further: the side that described support up and down cutting knife is relative is provided with the backup plate led when can move down blank to upper cutter, and backup plate is relative to lower cutter position-adjustable, and upper cutter is corresponding with position between backup plate and lower cutter.
The utility model is set to further: described backup plate relative to the height of support higher than the height of lower cutter relative to support.
The utility model is set to further: described upper cutter is provided with from the bottom to top and the inclined plane tilted towards lower cutter direction by backup plate towards the knife face of backup plate side.
The utility model is set to further: described backup plate relative to the concrete structure of lower cutter position-adjustable is: backup plate is provided with backup plate adjustment hole towards lower cutter direction, position corresponding with backup plate adjustment hole on support is provided with at least one the 3rd bolt hole, at least one the 3rd bolt hole is provided with the 3rd set screw, and the 3rd set screw passes backup plate adjustment hole by unscrewing or screw relative to the 3rd bolt hole the shift position regulating backup plate.
The utility model is set to further: described support is provided with bound edge cylinder between pin hole and lower cutter.
By adopting technique scheme, the technique effect that the utility model reaches is: on the basis of conventional sewing machine, redesigns cutter assembly structure, develops a kind of cutter that can be directly installed on machine shank.Utilize the device driving shank at existing Sewing machines exactly, without the need to increasing the device driving cutting knife in addition, upper cutter assembly is fixed on existing needle bar of sewing machine and just can realizes cutting cloth function, this apparatus structure is simple, cost is low, without hot-tempered sound, attractive in appearance, easy to operate, upper cutter improves more than several times than the abrasivity of existing machine.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is one of structural principle schematic diagram of the present utility model.
Fig. 2 is the structural principle schematic diagram that the knife rest cover in Fig. 1 is installed on shank.
Fig. 3 is structural principle schematic diagram two of the present utility model.
Fig. 4 is the structural principle schematic diagram that the knife rest cover in Fig. 3 is installed on shank.
Fig. 5 is the structural principle schematic diagram that support of the present utility model is provided with backup plate.
Detailed description of the invention
With reference to Fig. 1 ~ 5, disclosed in the utility model, a kind of band cutter sewing machine for covering chain stitch drives upper cutter device, comprise the shank 10 be located on head of sewing machine, the lower end of shank 10 is stretched out on the downside of head and end and is provided with eedle 11, support 12 immediately below eedle 11 is provided with the pin hole matched with eedle 11, shank 10 is fixed with knife rest cover 13 near the side of eedle 11, knife rest cover 13 is provided with the upper cutter assembly of position-adjustable, the concrete structure of upper cutter assembly is: knife rest cover 13 is provided with the knife rest 14 also can located along the direction displacement perpendicular to shank 10 axis, knife rest 14 is provided with can along the upper cutter 15 of the direction displacement location that are parallel to shank 10 axis.
Above-mentioned knife rest cover 13 is provided with and can is along the concrete structure perpendicular to the direction displacement of shank 10 axis the knife rest 14 of location: knife rest cover 13 is provided with at least one first bolt hole, and at least one first bolt hole is provided with the first set screw 16; Knife rest cover 13 is provided with knife rest adjustment hole 23, first set screw 16 through knife rest adjustment hole by unscrewing or screw the shift position regulating knife rest relative to the first bolt hole along the direction perpendicular to shank axis.Generally, knife rest adjustment hole 23 is bar hole, can ensure certain mobile space like this, and convenient adjustment shift position is also accomplished well fixing, and processing is also very convenient.Certain this knife rest cover 13 is provided with and also can be able to is along the concrete structure perpendicular to the direction displacement of shank 10 axis the knife rest 14 of location: knife rest cover 13 is provided with at least one first pin hole, and at least one first pin hole is provided with the first pin; Knife rest cover 13 is provided with several knife rest pin holes along the direction perpendicular to shank axis, this a few knife rest pin hole can be apart from one another by setting, also can be connected to each other setting, can adjust according to the demand of reality, the first pin passes one of them knife rest pin hole by coordinating with the first pin hole the shift position fixedly regulating knife rest.
Above-mentioned knife rest 14 is provided with and can is along the concrete structure of the upper cutter 15 of the direction displacement location that are parallel to shank 10 axis: knife rest 14 is provided with at least one second bolt hole, and at least one second bolt hole is provided with the second set screw 17; Knife rest 14 is provided with upper cutter adjustment hole 18, second set screw 17 through upper cutter adjustment hole 18 by unscrewing or screw the shift position regulating upper cutter relative to the second bolt hole along the direction being parallel to shank axis.Generally, upper cutter adjustment hole 18 is bar hole, can ensure certain mobile space like this, and convenient adjustment shift position is also accomplished well fixing, and processing is also very convenient.Certain this knife rest 14 is provided with and also can be able to is along the concrete structure of the upper cutter 15 of the direction displacement location that are parallel to shank 10 axis: knife rest 14 is provided with at least one second pin hole, and at least one second pin hole is provided with the second pin; Knife rest 14 is provided with several upper cutter pin holes along the direction being parallel to shank axis, this a few upper cutter pin hole can be apart from one another by setting, also can be connected to each other setting, can adjust according to the demand of reality, the second pin passes one of them upper cutter pin hole by coordinating with the second pin hole the shift position fixedly regulating upper cutter.
On support 12 in above-mentioned, the position corresponding with upper cutter 15 is provided with the lower cutter 19 of the blank that to match with upper cutter 15.In order to improve upper cutter in the process of incision, occur that because of machine vibration upper cutter swings, cause blank failure or blank is irregular or directly will expect the phenomenon of killing, the side that support 12 up and down cutting knife 19 is relative is provided with the backup plate 20 led when can move down blank to upper cutter 15, backup plate is relative to lower cutter position-adjustable, and upper cutter is corresponding with position between backup plate and lower cutter.Wherein, backup plate 20 relative to the height of support 12 higher than the height of lower cutter 19 relative to support 12.When such upper cutter swings in the process of incision, can first contact with backup plate 20, therefore, in order to better guiding, upper cutter 15 is provided with from the bottom to top and the inclined plane tilted towards lower cutter 19 direction by backup plate 20 towards the knife face of backup plate 20 side.When upper cutter swings in the process of incision, inclined plane can be slided along backup plate, which improves the stability of incision, also makes the better effects if led.
Above-mentioned backup plate 20 relative to the concrete structure of lower cutter 19 position-adjustable is: backup plate 20 is provided with backup plate adjustment hole towards lower cutter direction, position corresponding with backup plate adjustment hole on support 12 is provided with at least one the 3rd bolt hole, at least one the 3rd bolt hole is provided with the 3rd set screw the 21, three set screw 21 through backup plate adjustment hole by unscrewing or screw relative to the 3rd bolt hole the shift position regulating backup plate 20.Generally, backup plate adjustment hole is bar hole, can ensure certain mobile space like this, and convenient adjustment shift position is also accomplished well fixing, and processing is also very convenient.Certain this backup plate 20 relative to the concrete structure of lower cutter 19 position-adjustable also can be: backup plate 20 is provided with at least one the 3rd pin hole, and at least one the 3rd pin hole is provided with the 3rd pin; Backup plate 20 is provided with several backup plate adjustment holes along the direction being parallel to shank axis, this a few backup plate adjustment hole can be apart from one another by setting, also can be connected to each other setting, can adjust according to the demand of reality, the 3rd pin passes one of them backup plate adjustment hole by coordinating with the 3rd pin hole the shift position fixedly regulating upper cutter.Wherein, support 12 is provided with bound edge cylinder 22 between pin hole and lower cutter 19.
To sum up, this device is made up of upper cutter, knife rest, knife rest cover, lower cutter.Knife rest cover is fixed on the downside of shank (can regulate the fit angle of upper cutter and lower cutter), knife rest is arranged on hole or the groove interior (can regulate the fit clearance of the lower cutter of upper cutter and different size) of knife rest cover, upper cutter is arranged on knife rest (what can regulate upper cutter and lower cutter suits distance), and lower cutter is arranged on machine bed plate.Drive upper cutter assembly to move downwardly to the upper cutter edge of a knife while eedle when sewing on shank moves downward to overlap with the lower cutter edge of a knife and cut off sewing.Cutting knife side fills a backup plate, cutter relieving when can prevent blank.
Certainly, in above-described embodiment, as shown in Figure 1, 2, be wherein a kind of embodiment, upper cutter is arranged at the side of the front side of shank, and namely upper cutter is arranged at the relative side of the depression bar of presser foot lifter.As shown in Figure 3,4, be wherein a kind of embodiment, upper cutter is arranged at the side of the rear side of shank, and namely upper cutter is arranged at the identical side of the depression bar of presser foot lifter.Two kinds of above set-up modes are only be different from adaptive different type of machines, but the operation principle of both entirety is all identical.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (10)
1. a band cutter sewing machine for covering chain stitch drives upper cutter device, comprise the shank be located on head of sewing machine, the lower end of shank is stretched out on the downside of head and end is provided with eedle, support immediately below eedle is provided with the pin hole matched with eedle, it is characterized in that: the side near eedle on shank is fixed with knife rest cover, and knife rest puts the upper cutter assembly being provided with position-adjustable.
2. band cutter sewing machine for covering chain stitch according to claim 1 drives upper cutter device, it is characterized in that: the concrete structure of described upper cutter assembly is: knife rest puts the knife rest being provided with and also can locating along the direction displacement perpendicular to shank axis, knife rest is provided with can along the upper cutter of the direction displacement location that are parallel to shank axis.
3. band cutter sewing machine for covering chain stitch according to claim 2 drives upper cutter device, it is characterized in that: described knife rest puts to be provided with and can be along the concrete structure perpendicular to the direction displacement of shank axis the knife rest of location: knife rest puts and is provided with at least one first bolt hole, and at least one first bolt hole is provided with the first set screw; Knife rest puts and is provided with knife rest adjustment hole along the direction perpendicular to shank axis, and the first set screw passes knife rest adjustment hole by unscrewing or screw the shift position regulating knife rest relative to the first bolt hole.
4. band cutter sewing machine for covering chain stitch according to claim 2 drives upper cutter device, it is characterized in that: described knife rest being provided with the upper cutter structure also can located along the direction displacement being parallel to shank axis be: knife rest is provided with at least one second bolt hole, and at least one second bolt hole is provided with the second set screw; Knife rest is provided with upper cutter adjustment hole along the direction being parallel to shank axis, and the second set screw passes upper cutter adjustment hole by unscrewing or screw the shift position regulating upper cutter relative to the second bolt hole.
5. band cutter sewing machine for covering chain stitch according to any one of claim 2 ~ 4 drives upper cutter device, it is characterized in that: position corresponding with upper cutter on described support is provided with the lower cutter of the blank that to match with upper cutter.
6. band cutter sewing machine for covering chain stitch according to claim 5 drives upper cutter device, it is characterized in that: the side that described support up and down cutting knife is relative is provided with the backup plate led when can move down blank to upper cutter, backup plate is relative to lower cutter position-adjustable, and upper cutter is corresponding with position between backup plate and lower cutter.
7. band cutter sewing machine for covering chain stitch according to claim 6 drives upper cutter device, it is characterized in that: described backup plate relative to the height of support higher than the height of lower cutter relative to support.
8. band cutter sewing machine for covering chain stitch according to claim 6 drives upper cutter device, it is characterized in that: described upper cutter is provided with from the bottom to top and the inclined plane tilted towards lower cutter direction by backup plate towards the knife face of backup plate side.
9. band cutter sewing machine for covering chain stitch according to claim 6 drives upper cutter device, it is characterized in that: described backup plate relative to the concrete structure of lower cutter position-adjustable is: backup plate is provided with backup plate adjustment hole towards lower cutter direction, position corresponding with backup plate adjustment hole on support is provided with at least one the 3rd bolt hole, at least one the 3rd bolt hole is provided with the 3rd set screw, and the 3rd set screw passes backup plate adjustment hole by unscrewing or screw relative to the 3rd bolt hole the shift position regulating backup plate.
10. band cutter sewing machine for covering chain stitch according to claim 5 drives upper cutter device, it is characterized in that: described support is provided with bound edge cylinder between pin hole and lower cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712230.0U CN204959263U (en) | 2015-09-15 | 2015-09-15 | Take cutters in drive of sword flush joint sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712230.0U CN204959263U (en) | 2015-09-15 | 2015-09-15 | Take cutters in drive of sword flush joint sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204959263U true CN204959263U (en) | 2016-01-13 |
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ID=55054338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712230.0U Expired - Fee Related CN204959263U (en) | 2015-09-15 | 2015-09-15 | Take cutters in drive of sword flush joint sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204959263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192224A (en) * | 2016-08-31 | 2016-12-07 | 苏州澳拓美盛自动化设备有限公司 | A kind of multifunctional all sewing machine |
-
2015
- 2015-09-15 CN CN201520712230.0U patent/CN204959263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192224A (en) * | 2016-08-31 | 2016-12-07 | 苏州澳拓美盛自动化设备有限公司 | A kind of multifunctional all sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 |