CN108221187A - The adjustable overedger of various stitching and overedge-stitch method of adjustment - Google Patents
The adjustable overedger of various stitching and overedge-stitch method of adjustment Download PDFInfo
- Publication number
- CN108221187A CN108221187A CN201611193137.9A CN201611193137A CN108221187A CN 108221187 A CN108221187 A CN 108221187A CN 201611193137 A CN201611193137 A CN 201611193137A CN 108221187 A CN108221187 A CN 108221187A
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- Prior art keywords
- pin hole
- needle
- overedge
- stitch
- appearance
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/18—Seams for protecting or securing edges
- D05B1/20—Overedge seams
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B53/00—Thread- or cord-laying mechanisms; Thread fingers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/10—Needle bars for multiple-needle sewing machines
- D05B55/12—Needle bars for multiple-needle sewing machines with provision for varying the distance between the needles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of adjustable overedger of various stitching and overedge-stitch method of adjustment, including eedle component, presser foot component and needle plate cut cloth component, eedle component includes shank and the needle holder being connected with shank, presser foot component includes presser feet drive rod and the pressure foot being connected with presser feet drive rod, there are spaced three appearance pin holes on needle holder, three are held pin hole and installation eedle may be selected, have on pressure foot and hold pin holes just needle passing hole over the ground one by one with three, needle plate is equipped with holds needle tray correspondingly with each needle passing hole；Further include the slip piece for sliding positioning with needle plate and being connected, slip piece is equipped with the hanging wire end for hanging suture, hanging wire end and the lower cutter for cutting in cloth component are co-located at the side of needle plate, slip piece and lower cutter slidably and glide direction perpendicular to sew cloth material traffic direction.The broad-adjustable three needles overedge-stitch of the achievable bound edge of the present invention, two needle overedge-stitch and a needle overedge-stitch.
Description
Technical field
The present invention relates to a kind of overedger, more particularly to a kind of adjustable overedger of various stitching and overedge-stitch tune
Adjusting method.
Background technology
Used 512/514 stitching overseam eedle hyte part (see figure 1) by the needle holder 2 that is fixed on shank 1 and
The first eedle 32, the second eedle 31, upper and lower looper, needle plate, feed dog, presser feet and the upper and lower rag knife being fixed thereon are common
Composition, during machine operation, rag knife carries out trimming to cloth, then feed dog work feed, first, second eedle and upper and lower looper phase
It is acted between mutually according to both fixed tracks and completes hooking and form wire loop, the edge of sewing cloth is encased.As shown in Figure 1, needle presss from both sides
Centre distance D on first 2 between 31 needle point of first eedle 32 and the second eedle is needle width NG, since it is fixed numbers, is caused
Needle width NG is unadjustable, and the distance between the first eedle needle point 32 and bottom knife left hand edge are bound edge width S W.It is taken in face of at present
The raising of factory's sewing tech requirement is filled, existing overedger can not achieve the adjusting of differing needles width and bound edge width, user is not achieved
Requirement cannot fully meet the market demand.
Therefore, it is necessary to a kind of novel overedgers, can realize the adjusting of differing needles width and bound edge width, meet different
The sewing requirement of specification, is effectively improved sewing performance defect existing for above-mentioned existing sewing machine.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of various adjustable overseams of stitching
Machine and overedge-stitch method of adjustment fix nonadjustable ask for solving overseam eedle width in the prior art and bound edge width
Topic.
In order to achieve the above objects and other related objects, the present invention provides a kind of various adjustable overedger of stitching, including
Eedle component, presser foot component and needle plate cut cloth component, and the eedle component includes shank and the needle being connected with shank folder
Head, the presser foot component includes presser feet drive rod and the pressure foot being connected with presser feet drive rod, between having on the needle holder
Three every setting are held pin hole, and three are held pin hole and installation eedle may be selected, and are had on the pressure foot and described three appearance pin holes
Just needle passing hole over the ground one by one, the needle plate is equipped with holds needle tray correspondingly with each needle passing hole；It further includes and the needle plate
The connected slip piece of positioning is slided, slip piece is equipped with the hanging wire end for hanging suture, and hanging wire end is cut with described in cloth component
Lower cutter is co-located at the side of the needle plate, and the slip piece and lower cutter are slidably and glide direction is perpendicular to being sew cloth
The traffic direction of material.
Preferably, three appearances pin hole is arranged side by side, and the adjacent spacing held between pin hole is definite value.
Preferably, a presser feet tongue has been bolted on the pressure foot, the front end of the presser feet tongue forms three institutes
State appearance needle tray.
Preferably, the single piece that the needle holder is integrally formed with the shank.
Preferably, there is sliding slot with a scale, the slip piece is connected with the sliding block being placed in sliding slot, institute on the needle plate
State the locating piece for having on sliding block and sliding block being connected with sliding slot positioning.
The present invention provides a kind of overedge-stitch method of adjustment of overedger, uses overedger as described above, bound edge line
Mark method of adjustment is：Selection determines position and the number of the appearance pin hole for the eedle installed, and completes the needle width tune in overedge-stitch
Section；The position location that the slip piece changes slip piece is slided, and the corresponding lower cutter that adjusts makes lower cutter be moved in the same direction with slip piece
Dynamic same displacement, completes the bound edge width adjusting in overedge-stitch.
Preferably, the overedge-stitch method of adjustment includes：Pacify in three appearance pin holes on the needle holder
Installation needle, forms three needle overedge-stitch；Eedle is respectively mounted in two appearance pin holes on the needle holder, forms two needle packets
Edge stitch；Eedle is installed in an appearance pin hole on the needle holder, forms a needle overedge-stitch.
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, the shortest distance
Initial value is preset value N；The first eedle is installed positioned at innermost appearance pin hole, positioned at intermediate the second eedle of appearance pin hole, is located at
Outermost appearance pin hole installation third eedle, forms three needle overedge-stitch；And the slip piece and lower cutter are slided in cooperation, just
To or reverse movement displacement s, s >=0, three needle overedge-stitch of formation be n1*n2* (N ± s).
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Eedle only is being installed positioned at innermost appearance pin hole and in intermediate appearance pin hole, is forming institute
Two needle overedge-stitch are stated, and coordinates and slides the slip piece and lower cutter, forward or backwards moving displacement s, s >=0, formation
Two needle overedge-stitch are：n1*(n2+N±s).
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Eedle only is being installed in intermediate appearance pin hole and appearance pin hole on the outermost side, is forming institute
State two needle overedge-stitch；And coordinate and slide the slip piece and lower cutter, forward or backwards moving displacement s, s >=0, formation
Two needle overedge-stitch are：n2*(N±s).
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Only in appearance pin hole on the outermost side and positioned at innermost appearance pin hole installation eedle, institute is formed
State two needle overedge-stitch；And coordinate and slide the slip piece and lower cutter, forward or backwards moving displacement s, s >=0, formation
Two needle overedge-stitch are：(n1+n2)*(N±s).
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Eedle only is installed in appearance pin hole on the outermost side, forms the needle overedge-stitch, and
The slip piece is slided in cooperation and lower cutter, forward or backwards moving displacement s, s >=0, a needle overedge-stitch of formation are：N
±s。
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Eedle only is being installed in innermost appearance pin hole, is forming the needle overedge-stitch, and
The slip piece is slided in cooperation and lower cutter, forward or backwards moving displacement s, s >=0, a needle overedge-stitch of formation are：n1
+n2+N±s。
Preferably, it is definite value positioned at the innermost pin hole and the spacing between the intermediate appearance pin hole of holding
N1 is definite value n2, and positioned at outermost positioned at the intermediate appearance pin hole and the spacing held between pin hole on the outermost side
The appearance pin hole of side and the distance of the lower cutter are all appearance pin holes away from cutting the shortest distance of cloth component, it is described it is shortest away from
From initial value be preset value N；Eedle in intermediate appearance pin hole is only being installed, is forming the needle overedge-stitch, and match
It closes the slip slip piece and lower cutter, forward or backwards moving displacement s, s >=0, a needle overedge-stitch of formation is：n2+N
±s。
Preferably, the relationship of the definite value n1 and the definite value n2 are：N1=n2；n1>N2 or n1<n2.
As described above, the adjustable overedger of various stitching of the present invention and overedge-stitch method of adjustment, have with following
Beneficial effect：Hold pin holes, and setting holds pin hole with each respectively on pressure foot and needle plate using setting three in needle holder
Corresponding needle passing hole and appearance needle tray, are only held number and the position of pin hole to install eedle by selection, realize needle width size
It adjusts, while coordinates and slide slip piece and lower cutter, it can be achieved that the adjusting of bound edge width；The achievable three needle bound edge lines of the present invention
Mark, two needle overedge-stitch and three needle overedge-stitch, needle width and bound edge width are adjustable, and it is convenient to replace, and only needs the peace of eedle
The adjustment of holding position number coordinates the slip of slip piece and lower cutter, the variation without other structures.
Description of the drawings
Fig. 1 is shown as the adjustable overedger partial schematic diagram of various stitching of the present invention.
Fig. 2 is shown as the needle plate of the present invention, slip piece scheme of installation.
Fig. 3 is shown as the bound edge width adjusting schematic diagram of the present invention.
Component label instructions
1 shank
2 needle holders
31 first eedles
32 second eedles
33 third eedles
4 presser feet tongues
41 needle passing holes
5 pressure foots
6 needle plates
61 hold needle tray
7 lower cutters
8 times tool aprons
9 slip pieces
91 hanging wire ends
10 needle plate cushion blocks
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig.3.It should be clear that structure, ratio, size depicted in this specification institute attached drawing etc., only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
In the range of art content can cover.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", " centre " and
The term of " one " etc. is merely convenient to understanding rather than to limit the enforceable range of the present invention for narration, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
As shown in Figures 1 and 2, the present invention provides a kind of various adjustable overedger of stitching, including eedle component, presser feet group
Part and needle plate 6 cut cloth component, and eedle component includes shank 1 and the needle holder 2 being connected with shank 1, and presser foot component includes pressure
Foot drive rod and the pressure foot 5 being connected with presser feet drive rod, have spaced three appearance pin holes on needle holder 2, three
Hold pin hole and installation eedle may be selected, have on pressure foot 5 and hold pin holes with three just needle passing hole 41, needle plate 6 are being equipped with over the ground one by one
Hold needle tray 61 (as shown in Figure 2) correspondingly with each needle passing hole 41；Further include the slip piece for sliding positioning with needle plate 6 and being connected
9, slip piece 9 is equipped with the hanging wire end 91 for hanging suture, and hanging wire end 91 is co-located at needle plate with the lower cutter 7 cut in cloth component
6 side, hanging wire end 91 is located at all sides for holding needle trays 61 in the present embodiment, and slip piece 9 and lower cutter 7 are slidably and sliding
Dynamic direction is perpendicular to the traffic direction of sew cloth material.The present invention is used sets three appearance pin holes, and in presser feet in needle holder 2
Setting holds the corresponding needle passing hole 41 of pin hole and appearance needle tray 61 with each respectively on plate 5 and needle plate 6, only holds pin hole by selection
Eedle is installed in number and position, realizes the adjusting of needle width size, while coordinate and slide slip piece 9 and lower cutter 7, it can be achieved that packet
The adjusting of hem width degree, the overedge-stitch of the achievable Suresh Kumar of the present invention, and it is easy to adjust.
Above three is held pin hole and is arranged side by side, and the adjacent spacing held between pin hole is definite value, replaces eedle quantity and eedle
Position can understand the adjusting specification of needle width.
A presser feet tongue 4 is bolted on above-mentioned pressure foot 5, the front end of presser feet tongue 4 forms three appearance needle trays 41, will
Hold needle tray to be placed on presser feet tongue, presser feet tongue is fixed with pressure foot dismounting, when appearance needle tray needs repairing replacement, convenient for presser feet tongue
It replaces.
The single piece that above-mentioned needle holder 2 is integrally formed with shank 1.
Cloth component is cut in the present invention and includes lower tool apron 8, above-mentioned needle plate 6 is fixed on by needle plate cushion block 10 on lower tool apron 8, needle
Board spacer 10 is equipped with the sliding slot vertical with the material traffic direction that sews cloth, and the extending direction of sliding slot is left and right directions as shown in Figure 2,
The material traffic direction that sews cloth is front-rear direction；The sliding part of above-mentioned slip piece 9 is placed in sliding slot and is slided along sliding slot, above-mentioned lower cutter
7 are connected or lower cutter 7 is fixedly linked with slip piece 8 with the slip of lower tool apron 8.The slip of slip piece 9 and lower cutter 7 can pass through
Driving mechanism realization, such as electric rotating machine is realized with linear transmission mechanism cooperation or telescopic cylinder drives sliding part realization etc.
Deng being not described in detail here, as long as can realize that slip piece is slided along sliding slot.The slip piece 9 of the present embodiment can be fixed against needle
The sliding slot of board spacer 10 moves left and right, and coordinates the left and right adjusting of lower cutter 7, and cooperation needle width increases and decreases, and realizes output not
With the broad-adjustable sewing thread trace of pattern bound edge.
The present invention provides a kind of overedge-stitch method of adjustment of overedger, uses overedger as described above, bound edge line
Mark method of adjustment is：Selection determines position and the number of the appearance pin hole for the eedle installed, and completes the needle width tune in overedge-stitch
Section；As shown in Figure 2, the position location that above-mentioned slip piece 9 changes slip piece 9 is slided, and the corresponding lower cutter 7 that adjusts makes lower cutter 7
With the mobile same displacement in the same direction of slip piece 9, the bound edge width adjusting in overedge-stitch is completed.A variety of bound edge lines can be achieved in the present invention
Mark, and when replacing overedge-stitch, the installation number and installation site of eedle are only needed to change, nothing needs to change pressure foot and needle
The parts such as plate, it is easy to use, it is conveniently adjusted, can flexibly realize the bound edge sewing of a variety of stitchings, be brought convenience for client.
The overedge-stitch method of adjustment of the present invention includes：Eedle is respectively mounted in three appearance pin holes on above-mentioned needle holder 2,
Form three needle overedge-stitch；Eedle is respectively mounted in two appearance pin holes on needle holder, forms two needle overedge-stitch；In needle
One on collet is held installation eedle in pin hole, forms a needle overedge-stitch.
Each overedge-stitch is detailed below.
Three needle overedge-stitch (also referred to as three needles, five line)：As shown in Figure 1, the first eedle is installed positioned at innermost appearance pin hole
31, positioned at intermediate the second eedle of appearance pin hole 32, appearance pin hole installation third eedle 33 on the outermost side, positioned at innermost appearance
Pin hole and be definite value n1 positioned at the intermediate spacing held between pin hole, i.e. needle gage between the first eedle 31 and the second eedle is definite value
N1 is definite value n2, i.e. the second eedle 32 and third positioned at intermediate hold pin hole and the spacing on the outermost side held between pin hole
Needle gage between eedle 33 is definite value n2, and the distance on the outermost side for holding pin hole and lower cutter is all appearance pin holes away from cutting cloth group
The shortest distance of part, the initial value (initial value refers to bound edge width during the initial use state of overedger) of shortest distance is pre-
If value N, i.e., third eedle 33 to the spacing between lower cutter is preset value N；Form three needle overedge-stitch；And slip piece is slided in cooperation
9 and lower cutter 7, forward or backwards moving displacement s, s >=0, as shown in Figure 3 two in figure double arrowed line represent slip respectively
The moving direction of piece and lower cutter, forward direction is mobile in the present embodiment to move right, reverse movement be in the present embodiment to
It moves left, three needle overedge-stitch of formation are n1*n2* (N ± s).
There are three types of forms for above-mentioned two needles overedge-stitch：
Form one, with formed above-mentioned three needles overedge-stitch the difference lies in, only positioned at innermost appearance pin hole and
Eedle is installed in intermediate appearance pin hole, i.e., the first eedle 31 and the second eedle 32 in installation diagram 1 form two needle bound edges
Stitching, and coordinate and slide slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0, two needle overedge-stitch of formation
For：n1*(n2+N±s).
Form two, the difference lies in only positioned at intermediate appearance pin hole and position with forming above-mentioned three needles overedge-stitch
In installing eedle in outermost appearance pin hole, i.e., 33 and second eedle 32 of third eedle in installation diagram 1 forms two needle
Overedge-stitch；And slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0, two needle bound edges of formation are slided in cooperation
Stitching is：n2*(N±s).
Form three, with formed above-mentioned three needles overedge-stitch the difference lies in, only in appearance pin hole on the outermost side and
Positioned at innermost appearance pin hole installation eedle, i.e., the first eedle 31 and third eedle 33 in installation diagram 1 form two needle
Overedge-stitch；And slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0, two needle bound edges of formation are slided in cooperation
Stitching is：(n1+n2)*(N±s).
One needle overedge-stitch is by following three kinds of patterns：
Pattern one only installs eedle, i.e. third eedle 33 in installation diagram 1, shape in appearance pin hole on the outermost side
Cheng Yizhen overedge-stitch, and coordinate and slide slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0, the one of formation
Needle overedge-stitch is：N±s.
Pattern two is only installing eedle, i.e., the second eedle 32 in installation diagram 1, and match in intermediate appearance pin hole
It closes and slides slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0, forming a needle overedge-stitch is：n2+N±s.
Pattern three is only installing eedle, i.e., the first eedle 31 in installation diagram 1, shape in innermost appearance pin hole
Into the needle overedge-stitch, and coordinate and slide slip piece 9 and lower cutter 7, forward or backwards moving displacement s, s >=0 is formed
A needle overedge-stitch be：n1+n2+N±s.
The relationship of above-mentioned definite value n1 and the definite value n2 are in the present invention：N1=n2；n1>N2 or n1<N2, you can by phase
Neighbour holds the line space design of pin hole into identical value, can also be designed to different value.
In conclusion the adjustable overedger of the various stitching of the present invention and overedge-stitch method of adjustment, using in needle holder
Middle three appearance pin holes of setting, and set respectively on pressure foot and needle plate with each holding the corresponding needle passing hole of pin hole and holding needle
Slot is only held number and the position of pin hole to install eedle by selection, realizes the adjusting of needle width size, while coordinates slip slip
Piece and lower cutter are, it can be achieved that the adjusting of bound edge width；The broad-adjustable three needles overedge-stitch of the achievable bound edge of the present invention, two needle packets
Edge stitch and a needle overedge-stitch.So the present invention effectively overcomes various shortcoming of the prior art and has high industrial profit
With value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (14)
1. a kind of adjustable overedger of various stitching, including eedle component, presser foot component and needle plate cut cloth component, the machine
Needle assemblies include shank and the needle holder being connected with shank, and the presser foot component includes presser feet drive rod and driven with presser feet
The pressure foot that bar is connected, which is characterized in that there are spaced three appearance pin holes, three appearance pin holes are optional on the needle holder
Select installation eedle, have on the pressure foot and hold pin holes just needle passing hole over the ground one by one with described three, the needle plate be equipped with
Each needle passing hole holds needle tray correspondingly；The slip piece for sliding positioning with the needle plate and being connected is further included, slip piece, which is equipped with, to be used
In the hanging wire end of suspension suture, hanging wire end is co-located at the side of the needle plate with the lower cutter cut in cloth component, described
Slip piece and lower cutter slidably and glide direction perpendicular to sew cloth material traffic direction.
2. the adjustable overedger of various stitching according to claim 1, it is characterised in that：Described three are held pin hole and set side by side
It puts, and the adjacent spacing held between pin hole is definite value.
3. the adjustable overedger of various stitching according to claim 1, it is characterised in that：Pass through bolt on the pressure foot
A presser feet tongue is fixed with, the front end of the presser feet tongue forms three appearance needle trays.
4. the adjustable overedger of various stitching according to claim 1, it is characterised in that：The needle holder and the shank
The single piece being integrally formed.
5. a kind of overedge-stitch method of adjustment of overedger, it is characterised in that：It uses claim 1 any to claim 5
Overedger described in, overedge-stitch method of adjustment are：Selection determines position and the number of the appearance pin hole for the eedle installed, complete
It is adjusted into the needle width in overedge-stitch；The position location that the slip piece changes slip piece is slided, and the corresponding lower cutter that adjusts makes
Lower cutter moves same displacement in the same direction with slip piece, completes the bound edge width adjusting in overedge-stitch.
6. the overedge-stitch method of adjustment of overedger according to claim 5, it is characterised in that：The overedge-stitch adjustment side
Method includes：Eedle is respectively mounted in three appearance pin holes on the needle holder, forms three needle overedge-stitch；It is pressed from both sides in the needle
Eedle is respectively mounted in two appearance pin holes on head, forms two needle overedge-stitch；An appearance pin hole on the needle holder
Interior installation eedle forms a needle overedge-stitch.
7. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at the innermost appearance
Pin hole and the spacing between the intermediate appearance pin hole are definite value n1, positioned at the intermediate appearance pin hole with being located at outermost
The appearance pin hole between spacing for definite value n2, and the pin hole and the distance of the lower cutter on the outermost side of holding is all appearances
For pin hole away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Positioned at innermost appearance pin hole peace
The first eedle is filled, positioned at intermediate the second eedle of appearance pin hole, appearance pin hole installation third eedle on the outermost side forms three needle packets
Edge stitch；And the slip piece and lower cutter, forward or backwards moving displacement s, s >=0, three needle bound edges of formation are slided in cooperation
Stitching is n1*n2* (N ± s).
8. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at the innermost appearance
Pin hole and the spacing between the intermediate appearance pin hole are definite value n1, positioned at the intermediate appearance pin hole with being located at outermost
The appearance pin hole between spacing for definite value n2, and the distance for holding pin hole and the lower cutter on the outermost side is institute
Have and hold pin hole away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at innermost
Hold pin hole and eedle be installed in intermediate appearance pin hole, form the two needles overedge-stitch, cooperation slide the slip piece and
Lower cutter, forward or backwards moving displacement s, s >=0, two needle overedge-stitch of formation are：n1*(n2+N±s).
9. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at the innermost appearance
Pin hole and the spacing between the intermediate appearance pin hole are definite value n1, positioned at the intermediate appearance pin hole with being located at outermost
The appearance pin hole between spacing for definite value n2, and the distance for holding pin hole and the lower cutter on the outermost side is institute
Have and hold pin hole away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at intermediate appearance
Installation eedle in pin hole and appearance pin hole on the outermost side, forms the two needles overedge-stitch；Cooperation slide the slip piece and
Lower cutter, forward or backwards moving displacement s, s >=0, two needle overedge-stitch of formation are：n2*(N±s).
10. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at innermost described
It is definite value n1 to hold pin hole and the spacing between the intermediate appearance pin hole, outermost with being located at positioned at the intermediate appearance pin hole
Spacing between the appearance pin hole of side is definite value n2, and the distance of the appearance pin hole and the lower cutter on the outermost side is
For all appearance pin holes away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at outermost
Appearance pin hole and positioned at innermost appearance pin hole installation eedle, form the two needles overedge-stitch；The slip piece is slided in cooperation
And lower cutter, forward or backwards moving displacement s, s >=0, two needle overedge-stitch of formation are：(n1+n2)*(N±s).
11. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at innermost described
It is definite value n1 to hold pin hole and the spacing between the intermediate appearance pin hole, outermost with being located at positioned at the intermediate appearance pin hole
Spacing between the appearance pin hole of side is definite value n2, and the distance of the appearance pin hole and the lower cutter on the outermost side is
For all appearance pin holes away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at outermost
Appearance pin hole in installation eedle, form the needle overedge-stitch, the slip piece and lower cutter are slided in cooperation, positive or anti-
To moving displacement s, s >=0, a needle overedge-stitch of formation is：N±s.
12. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at innermost described
It is definite value n1 to hold pin hole and the spacing between the intermediate appearance pin hole, outermost with being located at positioned at the intermediate appearance pin hole
Spacing between the appearance pin hole of side is definite value n2, and the distance of the appearance pin hole and the lower cutter on the outermost side is
For all appearance pin holes away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at most inner side
Appearance pin hole in installation eedle, form the needle overedge-stitch, and coordinate and slide the slip piece and lower cutter, it is positive or
Displacement s, s >=0 are moved backward, a needle overedge-stitch of formation is：n1+n2+N±s.
13. the overedge-stitch method of adjustment of overedger according to claim 6, it is characterised in that：Positioned at innermost described
It is definite value n1 to hold pin hole and the spacing between the intermediate appearance pin hole, outermost with being located at positioned at the intermediate appearance pin hole
Spacing between the appearance pin hole of side is definite value n2, and the distance of the appearance pin hole and the lower cutter on the outermost side is
For all appearance pin holes away from the shortest distance of cloth component is cut, the initial value of the shortest distance is preset value N；Only positioned at centre
Hold installation eedle in pin hole, form the needle overedge-stitch, and coordinate and slide the slip piece and lower cutter, it is positive or anti-
To moving displacement s, s >=0, a needle overedge-stitch of formation is：n2+N±s.
14. according to the overedge-stitch method of adjustment of any one of claim 7 to claim 13 overedger, feature exists
In：The relationship of the definite value n1 and the definite value n2 is：N1=n2；n1>N2 or n1<n2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193137.9A CN108221187A (en) | 2016-12-21 | 2016-12-21 | The adjustable overedger of various stitching and overedge-stitch method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193137.9A CN108221187A (en) | 2016-12-21 | 2016-12-21 | The adjustable overedger of various stitching and overedge-stitch method of adjustment |
Publications (1)
| Publication Number | Publication Date |
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| CN108221187A true CN108221187A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611193137.9A Pending CN108221187A (en) | 2016-12-21 | 2016-12-21 | The adjustable overedger of various stitching and overedge-stitch method of adjustment |
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| CN (1) | CN108221187A (en) |
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| CN111962227A (en) * | 2020-07-29 | 2020-11-20 | 田伟红 | Needle plate anti-jumping needle assembly of sewing machine |
| CN115323641A (en) * | 2022-08-29 | 2022-11-11 | 浙江中森缝纫机有限公司 | Cutting device and sewing machine |
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Application publication date: 20180629 |