CN201443014U - Sewing machine feeding mechanism - Google Patents
Sewing machine feeding mechanism Download PDFInfo
- Publication number
- CN201443014U CN201443014U CN2008202392905U CN200820239290U CN201443014U CN 201443014 U CN201443014 U CN 201443014U CN 2008202392905 U CN2008202392905 U CN 2008202392905U CN 200820239290 U CN200820239290 U CN 200820239290U CN 201443014 U CN201443014 U CN 201443014U
- Authority
- CN
- China
- Prior art keywords
- underframe
- cloth feeding
- cam
- limiting grooves
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a sewing machine, in particular to a sewing machine feeding mechanism. The back end of a cloth feeding underframe is connected with a connecting rod which is articulated with one end of a cam swing rod. The other end of the cam swing rod is articulated with a hinged shaft C. The cam swing rod is driven by a cam. The cloth feeding underframe is provided with limiting grooves which are connected with a needles number positioning board in a blocking manner. The positioning board is articulated with a rotating shaft. The utility model improves the Y-direction movement limiting way of the cloth feeding underframe. The cloth feeding underframe is provided with a plurality of limiting grooves. The positioning board on the rotating shaft is blocked in the limiting grooves and then is tightly fixed on a machine body so that the cloth feeding underframe can only swing around the rotating shaft rather than moving along the Y direction. The position of the limiting grooves in which the positioning board is blocked is changed. The cloth feeding displacement size in the X direction is changed. In order to realize the large stitch in the X direction, a cloth feeding swing rod is enlarged and then is arranged at the left end, thus the interference with a needle rod connecting rod component at the left end is avoided.
Description
One, technical field:
The utility model relates to Sewing machines, particularly its feed mechanism.
Two, background technology:
The label of many clothes or other fabrics is convenient to dismantle afterwards for the consumer buys back, and does not damage fabric again, adopts chain-type stitch nail seam more, just can take out suture as long as this chain-type stitch is chosen a end of a thread.The most button attaching machines that use of existing nail price labeling repack into, and its feed mechanism nail suture needle sign indicating number is of a size of 2-6.5mm, and nail suture needle number is 8,16,32 3 kind, exist the pin yardstick cun little, the many shortcomings of nail suture needle number.We know with less pin sign indicating number bigger pin for labels are sewn on the fabric that label reverses easily, therefore have the shortcoming to the tag location weak effect; Pin suture needle number how not only to be not easy to dismantle suture but also easily fabric is punctured.In addition with the presser foot device of the matching used nail price labeling of feed mechanism as shown in Figure 4, pressure foot is fastened on the presser feet seat with screw, presser feet seat and work feed underframe are hinged, under the effect of spring, clamp the label fabric, guarantee that the label fabric moves with pressure foot and presser feet base plate in the work feed process with the presser feet base plate.Usually the thickness of label fabric is that 4-15mm does not wait, and the presser foot of existing nail price labeling exists the phenomenon as Fig. 5, and promptly pressure foot can not contact fully with the label fabric, and the label fabric is easy to generate slippage in the work feed motion, causes situations such as bouncing pilotage, broken needle.
Three, summary of the invention:
The objective of the invention is to overcome above-mentioned not enough problem, a kind of Sewing machines feed mechanism is provided, simple in structure, stable, track and pin numerical control system are convenient.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of Sewing machines feed mechanism, relate to the work feed underframe, work feed underframe rear end connects connecting rod, connecting rod and cam swing one end are hinged, the cam swing other end and hinge are hinged, and cam swing has spacing groove by cam drive on the work feed underframe, spacing groove and pin are counted the location-plate clamping, and location-plate and rotating shaft are hinged.
Be connected by hinged seat and fastening turning cylinder between described and the supporting presser foot device presser feet of feed mechanism seat and the pressure foot.
Described fastening turning cylinder is the nut that is threaded on the bolt shaft.
Described pressure foot bottom surface is fixed with elastic layer.
Described elastic layer is the elastic polyurethane layer.
The utility model has improved Y to the work feed underframe to mobile qualification method, offer some spacing grooves on the work feed underframe, location-plate in the rotating shaft is fastened on the body after being stuck in the spacing groove, make the work feed underframe to swing around the shaft and can not Y to moving, change the position of the spacing groove in location-plate place, just change the pivot angle size of work feed underframe, also just changed the work feed displacement size of directions X.For realize directions X than the large needle sign indicating number, the utility model has been located at left end to the work feed fork after increased in size, so just avoided the interference with the shank link assembly of left end.
Presser foot device of the present utility model adds a hinged seat between presser feet seat and pressure foot, label fabric for different-thickness, as long as unclamp the nut on the bolt shaft, by regulating the elevation angle size of pressure foot, just can make the bottom surface of pressure foot contact (Fig. 7), clamp nut then fully with the label fabric.In order to increase pressure foot, and the coefficient of friction between the label fabric, on the bottom surface of pressure foot, added one deck elastic layer, guarantee that more relative slippage does not take place the label fabric.Be equipped with servo and drive and the automatic presser foot lifter of electromagnet, thereby realize nail suture needle number and the selected arbitrarily requirement of seam speed.
Four, description of drawings:
Fig. 1 is the structural representation of the work feed part of existing button attaching machine.
Fig. 2 is the structural representation that existing button attaching machine changes the nail price labeling specially into.
Fig. 3 is the utility model feed mechanism schematic diagram.
Fig. 4 is the presser foot schematic diagram of existing nail price labeling.
Fig. 5 is the schematic diagram that existing nail price labeling pressure foot compresses the label fabric.
Fig. 6 is the presser foot schematic diagram that the present invention follows closely price labeling.
Fig. 7 is that the present invention follows closely the schematic diagram that the price labeling pressure foot compresses the label fabric.
Five, the specific embodiment:
A kind of Sewing machines feed mechanism as Fig. 3, relate to work feed underframe 1, work feed underframe 1 rear end connects connecting rod 3, connecting rod 3 is hinged with cam swing 5 one ends, cam swing 5 other ends and hinge 8 are hinged, cam swing 5 is driven by cam 4, cam swing 5 is swung around hinge under the effect of cam 4, make some spacing grooves 2 on the work feed underframe 1, location-plate 6 in the rotating shaft 7 is fastened on the body after being stuck in the spacing groove 2, make work feed underframe 1 can only be around the shaft under the promotion of connecting rod 37 swings and can not Y to moving, change the position of the spacing groove 2 in location-plate 6 places, just change the pivot angle size of work feed underframe 1, also just changed the work feed displacement size of directions X.Cam swing 5 has been located at left end after increased in size, avoided the interference with the shank link assembly of left end.
Fig. 6 is and the matching used a kind of sewing-machine foot of above-mentioned feed mechanism mechanism, presser feet base plate 9 is fixed on the front end of feed mechanism work feed underframe 1, be connected with fastening turning cylinder by a hinged seat 17 between presser feet seat 13 and the pressure foot 11, hinged seat 17 is fixed on the presser feet seat 13 by front and back adjustment screw 12, fastening turning cylinder is the nut 15 that is threaded on the bolt shaft 16, and pressure foot 11 axis holes and hinged seat 13 axis holes connect by fastening turning cylinder.Presser feet seat 13 is hinged by bearing pin and feed mechanism, clamps label fabric 10 with presser feet base plate 9 under the effect of spring 14, guarantees that label fabric 10 moves with pressure foot and presser feet base plate in the work feed process.
In order to increase the coefficient of friction between pressure foot 11 and the label fabric, on the bottom surface of pressure foot 11, added one deck polyurethane material elastic layer 18, guarantee that more relative slippage does not take place label fabric 10.
For the label fabric of different-thickness, as long as unclamp nut 15 on the bolt shaft 16,, the bottom surface of pressure foot 11 is contacted fully at label fabric 10 (as Fig. 7) by regulating the elevation angle size of pressure foot 11, clamp nut 15 then.
Claims (1)
1. Sewing machines feed mechanism, relate to the work feed underframe, it is characterized in that: work feed underframe (1) rear end connects connecting rod (3), connecting rod (3) is hinged with cam swing (5) one ends, cam swing (5) other end and hinge (8) are hinged, and cam swing is driven by cam (4), has spacing groove (2) on the work feed underframe (1), spacing groove and pin are counted location-plate (6) clamping, and location-plate and rotating shaft (7) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202392905U CN201443014U (en) | 2008-12-30 | 2008-12-30 | Sewing machine feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202392905U CN201443014U (en) | 2008-12-30 | 2008-12-30 | Sewing machine feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443014U true CN201443014U (en) | 2010-04-28 |
Family
ID=42547690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202392905U Expired - Fee Related CN201443014U (en) | 2008-12-30 | 2008-12-30 | Sewing machine feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264377A (en) * | 2014-09-23 | 2015-01-07 | 苏州澳拓美盛自动化设备有限公司 | X-axial and Y-axial automatic feeding mechanism of sewing machine |
-
2008
- 2008-12-30 CN CN2008202392905U patent/CN201443014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264377A (en) * | 2014-09-23 | 2015-01-07 | 苏州澳拓美盛自动化设备有限公司 | X-axial and Y-axial automatic feeding mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20121230 |