CN109881388A - Tangent line component, thread cutter and sewing machine - Google Patents
Tangent line component, thread cutter and sewing machine Download PDFInfo
- Publication number
- CN109881388A CN109881388A CN201910156236.7A CN201910156236A CN109881388A CN 109881388 A CN109881388 A CN 109881388A CN 201910156236 A CN201910156236 A CN 201910156236A CN 109881388 A CN109881388 A CN 109881388A
- Authority
- CN
- China
- Prior art keywords
- tangent line
- thread
- upper thread
- plate
- electromagnet
- 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.)
- Granted
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 77
- 238000010008 shearing Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009966 trimming Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 244000000626 Daucus carota Species 0.000 description 2
- 235000005770 birds nest Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000005765 wild carrot Nutrition 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to stitching process field, disclosing a kind of tangent line component, the thread cutter including the tangent line component and the sewing machine including the thread cutter, tangent line component includes tangent line plate and the cutter set on tangent line plate upper surface；The tangent line plate includes plate ontology and front end and the convex block that extends forward set on the plate ontology, the first separated time point and the second separated time point have respectively forwardly been extended to form along the both sides of the edge of the convex block, and the first wire casing for accommodating the first upper thread and baseline is offered between first separated time point and second separated time point, the second wire casing for accommodating the second upper thread is defined between the front end face of side and the plate ontology of the convex block equipped with the second separated time point；The cutter has the shearing position of the upper thread for shearing first upper thread and the baseline shearing position for shearing the baseline.The invention has the benefit that can be realized fast and accurately trimming operation, guarantee that the end of a thread stayed on sewing is shorter.
Description
Technical field
The present invention relates to the present invention relates to technical field of sewing machines, more particularly to a kind of tangent line component including the tangent line
The thread cutter of component and sewing machine including the thread cutter.
Background technique
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread
The machine that material interweaves or unites by a seam.Fabrics and leather, plastics, the paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre
Equal products, the stitching neat appearance stitched out, it is smooth securely, sewing velocity is fast and using easy.
Existing sewing machine line cutting device structure is complex, needs first to be chosen sewing thread with hooking structure, then lead to
Cross clamping-line structure by this sewing thread clamp to cutter carry out wire cutting, since sewing thread experienced the process of hooking and clamp,
Sewing thread is virtually pulled into length, after tangent line is completed, the end of a thread different in size can be left on sewing, it cannot be guaranteed that sewing every time
It is consistent with the stub of baseline to terminate rear wires, and subsequent needs manually repair tangent line head using scissors to keep the beauty of sewing
Property, a large amount of cost of labor and time cost can be consumed by manually repairing tangent line head, and production efficiency is lower；Meanwhile it sewing after tangent line
The end of a thread of upper thread and baseline is too long, when playing seam next time, upper thread stays on presser feet face start sewing after at beginning baseline there is line
Group's accumulation forms a random line pimple, that is, the ball of string of similar " Bird's Nest " shape occurs in fabric baseline, seriously affects production
Product appearance and sewing quality.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of sewing machine, the thread cutter of sewing machine can
Sewing thread is quickly and accurately cut, guarantee shearing is located proximate to sewing, to shorten the stub stayed on sewing as far as possible.
To achieve the goals above, the first aspect of the present invention provides a kind of tangent line component, tangent line plate and is set to described
The cutter of tangent line plate upper surface；
The tangent line plate includes plate ontology and front end and the convex block that extends forward set on the plate ontology, along the convex block
Both sides of the edge respectively forwardly extended to form the first separated time point and the second separated time point, and the first separated time point and described second
The first wire casing for accommodating the first upper thread and baseline is offered between separated time point, the convex block is equipped with the second separated time point
The second wire casing for accommodating the second upper thread is defined between side and the front end face of the plate ontology；
The cutter has the shearing position of the upper thread for shearing first upper thread and the baseline for shearing the baseline
Shear position；
Wherein, in sewing process, after rotating shuttle catches on upper thread, one section of upper thread for being connected to sewing is defined as first face
One section of upper thread for being connected to eedle is defined as second upper thread by line.
Preferably, the cutter is electric heat cutter.
Preferably, the upper thread shearing position and baseline shearing position are set to the rear end of the convex block.
Preferably, the upper thread shearing position and baseline shearing position are overlapped.
Preferably, first wire casing is provided close to the side of the first separated time point.
Preferably, the front end of the first separated time point is than the front end of the second separated time point closer to described
Plate ontology, and be connected between first wire casing and the second separated time point by a joint face, the joint face is from close to institute
One end to the other end for stating the first wire casing is gradually distance from the plate ontology.
Preferably, the convex block is wedge shaped, and the front end of the convex block is small, rear end is big.
Preferably, the upper surface of the convex block offers the groove through its front and rear end, the upper thread shearing
Position and baseline shearing position are arranged both with respect to the groove, and the two sides of the groove are respectively equipped with the first limiting section and the
Two limiting sections.
Preferably, the bottom surface of the groove is in inclined-plane, and the inclined-plane is in the trend being gradually increasing from front to back.
Preferably, the convex block is used to limit the side of second wire casing as convex globoidal.
Similarly, second aspect of the present invention also provides a kind of thread cutter comprising as first aspect is described in any item
Tangent line component and driving assembly for driving the tangent line component straight line back and forth movement.
Preferably, the driving component includes the first electromagnet, pull rod and reset spring, first electromagnet
For being installed on the operation table bottom of sewing machine, the pull rod passes through first electromagnet, and the rear end of the pull rod is arranged
There is match attraction with first electromagnet first to touch block, the front end of the pull rod is connected to the plate ontology, described
One end of reset spring is connected to the front end of the pull rod, and the other end of the reset spring with operation table for being connected.
Preferably, the thread cutter further includes the fixed plate for being installed on operation table, and described first
Electromagnet is installed in the fixed plate.
Preferably, the thread cutter further includes sliding shoe, and the tangent line plate is connected to by the sliding shoe
The front end of the pull rod offers the guide groove with sliding shoe cooperation guiding in the fixed plate.
The third aspect of the present invention also provides a kind of sewing machine comprising such as the described in any item tangent line dresses of second aspect
It sets.
Preferably, the sewing machine further include:
Head；Operation table, set on the lower section of the head；Needle plate is connect with the operation table, the needle plate it is upper
The upper surface flush on surface and the operation table offers pin hole and notch on the needle plate；Feed dog is movably connected on
Below the needle plate, the feed dog is equipped with toothrow, and the toothrow passes through the notch and protrudes from the upper table of the needle plate
Face；And rotating shuttle, it is installed on the operation table bottom；
The driving component is installed on the operation table, is offered on the feed dog and is worn for the tangent line front edge of board
The escape groove crossed.
Preferably, it is provided on the needle plate or the operation table and to be led with plate body fits guiding
To block.
Preferably, the sewing machine further includes the clamp that is installed on the head and can be used in clamp upper thread
Mechanism.
Preferably, the thread clamping mechanism includes the second electromagnet being installed on the head and with described second
Electromagnet matches the second touch block of attraction, and the second touch block is slidably connected to second electromagnet；
Block is touched when second electromagnet is sucked described second, can be clamped across second electromagnet and described the
Two touch the upper thread between block.
Preferably, second electromagnet and the opposite surface of the second touch block are respectively arranged with and match
The lug boss and card slot of clamping, each lug boss and each card slot are arranged along the vertical direction.
Compared with prior art, the beneficial effects of the present invention are:
The thread cutter of sewing machine in the embodiment of the present invention, by the way that the first separated time point, the second separated time are arranged on tangent line plate
Upper thread in sewing process, is divided into two layers after rotating shuttle catches on upper thread: being connected to sewing one by point, the first wire casing and the second wire casing
First upper thread at end and the second upper thread for being connected to eedle one end, when eedle moves upwards, driving assembly drives tangent line plate court
It is mobile close to the position of sewing thread, it is respectively by the effect of the first separated time point and the second separated time point, the first upper thread and baseline is equal
It catches on to the first wire casing, the second upper thread is caught on to the second wire casing, and with the further movement of driving plate, the first upper thread
And baseline is contacted with cutter, shears position by the upper thread of cutter and baseline shears position and cuts the first upper thread and baseline respectively, it can
Realize that quickly and accurately trimming operates, and since upper thread shearing position and baseline shearing position are respectively positioned on the top of tangent line plate, phase space
Material is closer, can guarantee that the end of a thread stayed on sewing is shorter.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of tangent line component in the embodiment of the present invention one；
Fig. 2 is that a kind of tangent line component is in the structural schematic diagram under tangent line state in the embodiment of the present invention one；
Fig. 3 is that a kind of thread cutter is installed on operation table and when in far from sewing thread in the embodiment of the present invention one
Structural schematic diagram；
Fig. 4 is that a kind of thread cutter is installed on operation table and the knot under tangent line state in the embodiment of the present invention one
Structure schematic diagram；
Fig. 5 is a kind of structural schematic diagram of sewing machine in the embodiment of the present invention one；
Fig. 6 is the portion the A partial enlargement diagram of Fig. 5；
Fig. 7 is a kind of structural schematic diagram of the thread clamping mechanism of sewing machine in the embodiment of the present invention one；
Fig. 8 is knot when a kind of thread cutter is installed on operation table and locates far from sewing thread in the embodiment of the present invention two
Structure schematic diagram；
Fig. 9 is that a kind of thread cutter is installed on operation table and the knot under tangent line state in the embodiment of the present invention two
Structure schematic diagram.
In figure, 1, tangent line component；11, tangent line plate；111, plate ontology；112, convex block；1121, the first separated time point；1122,
Equinoctial line point；1123, the first wire casing；1124, joint face；1125, groove；1126, the first limiting section；1127, the second limiting section；
113, the second wire casing；12, cutter；121, upper thread shears position；122, baseline shears position；2, driving assembly；21, the first electromagnet；
22, pull rod；23, reset spring；24, first touches block；25, fixed plate；251, guide groove；26, sliding shoe；3, head；4, it operates
Platen；5, needle plate；51, pin hole；52, notch；53, guide pad；6, feed dog；61, toothrow；62, escape groove；7, rotating shuttle；8, it presss from both sides
Line mechanism；81, the second electromagnet；811, card slot；82, second touches block；821, lug boss；9, the first upper thread；10, the second face
Line；20, baseline.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.It should be understood that being retouched in the present invention using term " first ", " second " etc.
Various information are stated, but these information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other
It opens.For example, without departing from the present invention, " first " information can also be referred to as " second " information, it is similar,
" second " information can also be referred to as " first " information.
In addition, it is necessary to which explanation, is defined as " front end " close to one end of pin hole 51 during the work time, far from pin hole
51 one end is defined as " rear end ".
Furthermore in the present invention, in sewing process, after rotating shuttle 7 catches on upper thread, upper thread is divided into bilayer, for the ease of
Description, is defined as the first upper thread 9 for one section of upper thread for being connected to sewing, one section of upper thread for being connected to eedle is defined as the second face
Line 10.
Embodiment one:
As depicted in figs. 1 and 2, the embodiment of the present invention one provides a kind of tangent line component 1 comprising tangent line plate 11 and be set to institute
State the cutter 12 of 11 upper surface of tangent line plate；
The tangent line plate 11 includes plate ontology 111 and front end and the convex block that extends forward set on the plate ontology 111
112, the first separated time point 1121 and the second separated time point 1122 have respectively forwardly been extended to form along the both sides of the edge of the convex block 112,
And it is offered between first separated time point 1121 and the second separated time point 1122 for accommodating the first upper thread 9 and baseline 20
First wire casing 1123, the convex block 112 be equipped with the second separated time point 1122 side and the plate ontology 111 front end face it
Between define the second wire casing 113 for accommodating the second upper thread 10；
There is the cutter 12 upper thread for shearing first upper thread 9 to shear position 121 and for shearing the baseline
20 baseline shears position 122.
Based on the above-mentioned technical proposal, the tangent line component 1 in the present embodiment, when rotating shuttle 7 catches on upper thread and eedle up moves
When, tangent line component 1 is moved to close to sewing thread, will due to the separated time effect of the first separated time point 1121 and the second separated time point 1122
First upper thread 9 and baseline 20 are caught on to the first wire casing 1123, and the second upper thread 10 is caught on to the second wire casing 113；With
Tangent line component 1 moves further along, and the somewhere that the first upper thread 9 and baseline 20 are located above tangent line plate 11 connects with cutter 12
Touching, the first upper thread 9 is cut in upper thread shearing position 121, and baseline 20 is cut in baseline shearing position 122, referring in particular to 2 institute of attached drawing
Show.
In the present embodiment, the first upper thread 9 and baseline 20 accurately can be caught on using the first wire casing 1123, and the second wire casing
113 catch on the second upper thread 10, to quickly and accurately cut off the first upper thread 9 and baseline 20；In addition, since upper thread shears position
121 and baseline shearing position 122 be respectively positioned on the top of shear plate 11, it is closer apart from sewing, so as to guarantee to stay on sewing
The end of a thread it is shorter.
In the present embodiment, the cutter 12 is electric heat cutter, heats the first upper thread 9 of cutting and baseline using electric heat cutter
20, it can guarantee to quickly shut off sewing thread.
Specifically, in the present embodiment, the upper thread shearing position 121 and baseline shearing position 122 are set to the convex block
112 rear end.
It is multiple that refering to shown in attached drawing 2, the upper thread shearing position 121 and baseline shearing position 122 are overlapped, the first upper thread 9 with
Baseline 20 is in contact with the same position of cutter 12, so as to shear simultaneously to the first upper thread 9 and baseline 20.
Further, in order to which more accurately hooking, first wire casing 1123 are provided close to the first separated time point 1121
Side, it is ensured that the second upper thread 10 is separated with the first upper thread 9, baseline 20, is especially to ensure that the first upper thread 9 and the second upper thread 10
It separates.
In the present embodiment, the first upper thread 9 and baseline 20 are slided in the second wire casing 113 in order to prevent, the first separated time point
1121 front end than the second separated time point 1122 front end closer to the plate ontology 111；And first wire casing
It is connected between 1123 and the second separated time point 1122 by a joint face 1124, the joint face 1124 is from close to described first
One end of wire casing 1123 to the other end is gradually distance from the plate ontology 111, and joint face 1124 guides the first upper thread 9 and baseline 20 sliding
Enter in the first wire casing 1123.
Further, in the present embodiment, the convex block 112 is wedge shaped, and the front end of the convex block 112 is small, rear end is big,
It is inserted between sewing thread convenient for 11 front end of tangent line plate accurately to carry out hooking.
In the present embodiment, the upper surface of the convex block 112 offers the groove 1125 through its front and rear end, the face
Line shearing position 121 and baseline shearing position 122 are arranged both with respect to the groove 1125, and the two sides of the groove 1125 point
It She You not the first limiting section 1126 and the second limiting section 1127；By opening up groove 1125, Neng Goufang in the upper surface of convex block 112
Only the first upper thread 9 and baseline 20 are skidded off to two sides.
In view of this, the bottom surface of the groove 1125 is in inclined-plane, and the inclined-plane is in the trend being gradually increasing from front to back,
After first upper thread 9 and baseline 20 are caught on by the first wire casing 1123, the first upper thread 9 and baseline 20 are located at the portion on 111 top of plate ontology
Divide and be attached on the bottom surface of groove 1125, and contacted respectively with upper thread shearing position 121 and baseline shearing position 122, completes tangent line.
In order to guide the second upper thread 10 to be caught in the second wire casing 113, it is preferable that the convex block 112 is for limiting described the
The side of two wire casings 113 is convex globoidal.
Same purpose, the present embodiment second aspect also propose a kind of thread cutter, referring specifically to attached drawing 3 and Fig. 4 institute
Show comprising the tangent line component 1 and driving assembly 2 of any one as described in relation to the first aspect, driving assembly 2 is for driving described cut
1 straight line back and forth movement of line component, the motion profile of tangent line plate 11 can pass through 51 following position directly of pin hole of needle plate 5, so as to
The first upper thread 9, the second upper thread 10 and baseline 20 are caught in enough guarantees of tangent line plate 11, and by the first upper thread 9 and baseline 20 in cutter 12
Upper cutting.
Thread cutter in the present embodiment has tangent line group due to including tangent line component 1 as described in relation to the first aspect
Whole beneficial effects of part 1, are not stated one by one herein.
In addition, it is necessary to explanation, the thread cutter in the present embodiment can be used in computerized emboridering machine, computer flatcar,
On computer thickness material flatcar, computer embroidery machine and other sewing devices.
In the embodiment, the driving component 2 include the first electromagnet 21, pull rod 22 and reset spring 23, described first
Electromagnet 21 is used to be installed on 4 bottom of operation table of sewing machine, and the pull rod 22 passes through first electromagnet 21, the drawing
The rear end of bar 22 is provided with the first touch block 24 that attraction is matched with first electromagnet 21, and the front end of the pull rod 22 connects
It is connected to the plate ontology 111, one end of the reset spring 23 is connected to the front end of the pull rod 22, the reset spring 23
The other end with the operation table 4 for being connected；Illustratively, first touch block 24 can for iron block or by it is other can be with
The attracting material of magnet is made.
The position view of thread cutter when attached drawing 3 shows non-tangent line sewing thread, at this point, the first electromagnet 21 does not lead to
Electricity, in the raw, the front end of tangent line plate 11 is far from sewing thread for reset spring 23；After the first electromagnet 21 is powered, first
Electromagnet 21 generates magnetic force and attracts first to touch block 24, to drive pull rod 22 towards close to the movement of one end of sewing thread, resets bullet
Spring 23 is stretched, and referring specifically to shown in attached drawing 4, the first upper thread 9 is separated with the second upper thread 10 by the second separated time point 1122 at this time,
Wherein, the first upper thread 9 is caught on baseline 20 by the first wire casing 1123, and the second upper thread 10 is caught on by the second wire casing 113, and by cutting
Knife 12 cuts the first upper thread 9 and baseline 20；After the completion of trimming, the first electromagnet 21 powers off magnetic disappearance, 23 benefit of reset spring
It pulls tangent line plate 11 to reset with itself pulling force effect, the front end of tangent line plate 11 is made to be moved to the position far from sewing thread.
The third aspect of the embodiment of the present invention also provides a kind of sewing machine comprising any one as described in second aspect
Thread cutter.
Sewing machine in the present embodiment has such as second aspect as including thread cutter described in second aspect
Thread cutter whole beneficial effects, therefore not to repeat here.
Specifically, refering to described in attached drawing 3- Fig. 7, sewing machine further include: head 3；Operation table 4, set on the head 3
Lower section；Needle plate 5 is connect with the operation table 4, and the upper surface of the needle plate 5 is equal with the upper surface of the operation table 4
Together, pin hole 51 and notch 52 are offered on the needle plate 5；Feed dog 6 is movably connected on 5 lower section of needle plate, the feed dog
6 are equipped with toothrow 61, and the toothrow 61 passes through the notch 52 and protrudes from the upper surface of the needle plate 5；And rotating shuttle 7, installation
In 4 bottom of operation table；The driving component 2 is installed on the operation table 4, offers confession on the feed dog 6
The escape groove 62 that 11 front end of tangent line plate passes through.
In the present embodiment, in order to move tangent line plate 11 steadily, it is arranged on the needle plate 5 or the operation table 4
There is the guide pad 53 with the plate ontology 111 cooperation guiding.In the present embodiment, refering to attached drawing 3 and Fig. 4 it is found that by guide pad 53
It is arranged on needle plate 5.
In the present embodiment, in order to further control the stub that upper thread stays on sewing, in the head 3 of sewing machine
On thread clamping mechanism 8 is installed, thread clamping mechanism 8 can clamp upper thread, to guarantee in trimming, accurately control upper thread length, i.e.,
Guarantee that upper thread remains unchanged to the length between the one end being connected on sewing from the one end for being through at eedle and keeps tensioned state；
After cutting upper thread, upper thread stays in the end of a thread on sewing will not be too long, and then can prevent from generating class when playing seam next time
Like the ball of string of " Bird's Nest " shape, and it is too short to prevent upper thread from staying in the end of a thread on sewing simultaneously, to prevent anti-avulsion line.
Specifically, please referring to thread clamping mechanism 8 shown in attached drawing 7, in the present embodiment includes the be installed on the head 3
Two electromagnet 81 and the second touch block 82 that attraction is matched with second electromagnet 81, described second, which touches the sliding of block 82, connects
It is connected to second electromagnet 81, second touches block 82 can be close along the sliding of the second electromagnet 81 or far from the second electromagnet
81；After being powered to the second electromagnet 81, described second is sucked due to generating magnetic force and touches block for second electromagnet 81
82, the upper thread touched block 82 across second electromagnet 81 and described second can be clamped；When to the second electromagnet 81
After power-off, the magnetic of the second electromagnet 81 disappears, so that the attraction between the second electromagnet 81 and the second touch block 82 be made to disappear
It loses.Illustratively, the second touch block 82 can be block made of iron block or other materials that can be attracting with magnet.
Further, in order to be reliably clamped upper thread, second electromagnet 81 and described second touch 82 phase of block
Pair surface be respectively arranged with the lug boss 821 and card slot 811 for matching clamping, each lug boss 821 and each card slot
811 arrange along the vertical direction.
Embodiment two:
The first aspect of the embodiment of the present invention two provides a kind of thread cutter, specifically please refers to shown in attached drawing 8 and Fig. 9,
Difference with the thread cutter in embodiment one is only that: the thread cutter in the present embodiment further includes fixed plate 25, the first electricity
Magnet 21 is installed in fixed plate 25.
As a preferred option, the thread cutter in the present embodiment further includes sliding shoe 26, and the tangent line plate 11 passes through institute
The front end that sliding shoe 26 is connected to the pull rod 22 is stated, is offered in the fixed plate 25 and the sliding shoe 26 cooperation guiding
Guide groove 251, it is ensured that tangent line plate 11 keeps stablizing in moving process.
The second aspect of the present embodiment also proposes a kind of sewing machine comprising thread cutter as described in relation to the first aspect；Gu
Fixed board 25 and needle plate 5 are embedded on operation table 4, and need to guarantee the upper surface of fixed plate 25 and needle plate 5 with operation table 4
Upper surface it is concordant.
To sum up, the present invention provides a kind of tangent line component 1, the thread cutter including the tangent line component 1 and fills including the tangent line
The sewing machine set, by the way that the first separated time point 1121, the second separated time point 1122, the first wire casing 1123 is arranged in the front end of tangent line plate 11
And second wire casing 113, the first upper thread 9 and baseline 20 to be caught on to the first wire casing 1123 respectively, the second upper thread 10 catch on to
In second wire casing 113, and the first upper thread 9, the baseline shearing cutting of position 122 baseline are cut off using the upper thread of cutter 12 shearing position 121
20, it can be realized quickly and accurately trimming operation, and since upper thread shearing position 121 and baseline shearing position 122 are respectively positioned on tangent line plate
11 top, it is closer apart from sewing, it can guarantee that the end of a thread stayed on sewing is shorter.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (20)
1. a kind of tangent line component, which is characterized in that the cutter including tangent line plate and set on tangent line plate upper surface；
The tangent line plate includes plate ontology and front end and the convex block that extends forward set on the plate ontology, along the two of the convex block
Side edge has respectively forwardly extended to form the first separated time point and the second separated time point, and the first separated time point and second separated time
The first wire casing for accommodating the first upper thread and baseline is offered between point, the convex block is equipped with the side of the second separated time point
The second wire casing for accommodating the second upper thread is defined between the front end face of the plate ontology；
The cutter has the shearing position of the upper thread for shearing first upper thread and the baseline shearing for shearing the baseline
Position；
Wherein, in sewing process, after rotating shuttle catches on upper thread, one section of upper thread for being connected to sewing is defined as first upper thread,
One section of upper thread for being connected to eedle is defined as second upper thread.
2. tangent line component as described in claim 1, which is characterized in that the cutter is electric heat cutter.
3. tangent line component as described in claim 1, which is characterized in that the upper thread shearing position and baseline shearing position are all provided with
In the rear end of the convex block.
4. tangent line component as claimed in claim 3, which is characterized in that the upper thread shearing position and baseline shearing position weight
It closes.
5. tangent line component as described in claim 1, which is characterized in that first wire casing is provided close to the first separated time point
Side.
6. tangent line component as claimed in claim 5, which is characterized in that the front end of the first separated time point is than described second point
The front end of line point passes through a joint face phase closer to the plate ontology, and between first wire casing and the second separated time point
Even, the joint face is gradually distance from the plate ontology from one end to the other end close to first wire casing.
7. tangent line component as described in claim 1, which is characterized in that the convex block is wedge shaped, and the front end of the convex block it is small,
Rear end is big.
8. tangent line component as described in claim 1, which is characterized in that the upper surface of the convex block offers forward and backward through its
The groove of end face, the upper thread shearing position and baseline shearing position are arranged both with respect to the groove, and the two of the groove
Side is respectively equipped with the first limiting section and the second limiting section.
9. tangent line component as claimed in claim 8, which is characterized in that the bottom surface of the groove be in inclined-plane, and the inclined-plane from
Front to back in the trend being gradually increasing.
10. such as the described in any item tangent line components of claim 1-9, which is characterized in that the convex block is for limiting described second
The side of wire casing is convex globoidal.
11. a kind of thread cutter, which is characterized in that including tangent line component such as of any of claims 1-10 and use
In the driving assembly for driving the tangent line component straight line back and forth movement.
12. thread cutter as claimed in claim 11, which is characterized in that the driving component includes the first electromagnet, pull rod
And reset spring, first electromagnet are used to be installed on the operation table bottom of sewing machine, the pull rod passes through described first
Electromagnet, the rear end of the pull rod are provided with the first touch block that attraction is matched with first electromagnet, the pull rod
Front end is connected to the plate ontology, and one end of the reset spring is connected to the front end of the pull rod, the reset spring it is another
One end with the operation table for being connected.
13. thread cutter as claimed in claim 12, which is characterized in that further include the fixation for being installed on operation table
Plate, first electromagnet are installed in the fixed plate.
14. thread cutter as claimed in claim 13, which is characterized in that further include sliding shoe, the tangent line plate passes through described
Sliding shoe is connected to the front end of the pull rod, and the guide groove with sliding shoe cooperation guiding is offered in the fixed plate.
15. a kind of sewing machine, which is characterized in that including such as described in any item thread cutters of claim 11-14.
16. a kind of sewing machine, which is characterized in that further include:
Head；
Operation table, set on the lower section of the head；
Needle plate is connect with the operation table, the upper surface flush of the upper surface of the needle plate and the operation table, described
Pin hole and notch are offered on needle plate；
Feed dog is movably connected below the needle plate, and the feed dog is equipped with toothrow, the toothrow pass through the notch and
Protrude from the upper surface of the needle plate；And
Rotating shuttle is installed on the operation table bottom；
The driving component is installed on the operation table, offers what the confession tangent line front edge of board passed through on the feed dog
Escape groove.
17. sewing machine as claimed in claim 16, which is characterized in that be provided on the needle plate or the operation table with
The guide pad of the plate body fits guiding.
18. sewing machine as claimed in claim 16, which is characterized in that further include being installed on the head and can be used in pressing from both sides
The thread clamping mechanism of tight upper thread.
19. sewing machine as claimed in claim 18, which is characterized in that the thread clamping mechanism includes being installed on the head
Second electromagnet and the second touch block that attraction is matched with second electromagnet, the second touch block are slidably connected to institute
State the second electromagnet；
Block is touched when second electromagnet is sucked described second, can be clamped across second electromagnet and second touching
Upper thread between motion block.
20. sewing machine as claimed in claim 19, which is characterized in that second electromagnet and the second touch block are opposite
Surface be respectively arranged with the lug boss and card slot for matching clamping, each lug boss and each card slot are along the vertical direction
Arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156236.7A CN109881388B (en) | 2019-03-01 | 2019-03-01 | Thread cutting assembly, thread cutting device and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156236.7A CN109881388B (en) | 2019-03-01 | 2019-03-01 | Thread cutting assembly, thread cutting device and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109881388A true CN109881388A (en) | 2019-06-14 |
| CN109881388B CN109881388B (en) | 2024-03-22 |
Family
ID=66930301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156236.7A Active CN109881388B (en) | 2019-03-01 | 2019-03-01 | Thread cutting assembly, thread cutting device and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109881388B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831933A (en) * | 2020-06-19 | 2021-05-25 | 珠海运控瑞奇数控科技有限公司 | Automatic bottom thread breaking method for sewing and sewing machine thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005323670A (en) * | 2004-05-12 | 2005-11-24 | Juki Corp | Thread cutting device of sewing machine for decorative stitch |
| JP3163618U (en) * | 2010-08-11 | 2010-10-21 | 啓翔股▲ふん▼有限公司 | Automatic thread trimming machine |
| CN203270240U (en) * | 2013-01-21 | 2013-11-06 | 新杰克缝纫机股份有限公司 | Thread clamping mechanism of sewing machine |
| CN108374245A (en) * | 2015-06-19 | 2018-08-07 | 杰克缝纫机股份有限公司 | The wire-clamping device and its operational method of sewing machine |
| CN108729046A (en) * | 2018-05-25 | 2018-11-02 | 林泽贤 | Thread cutter for sewing machine |
| CN109137286A (en) * | 2018-09-20 | 2019-01-04 | 林泽贤 | Thread cutter |
| CN210104231U (en) * | 2019-03-01 | 2020-02-21 | 林泽贤 | Tangent line subassembly, tangent line device and sewing machine |
-
2019
- 2019-03-01 CN CN201910156236.7A patent/CN109881388B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005323670A (en) * | 2004-05-12 | 2005-11-24 | Juki Corp | Thread cutting device of sewing machine for decorative stitch |
| JP3163618U (en) * | 2010-08-11 | 2010-10-21 | 啓翔股▲ふん▼有限公司 | Automatic thread trimming machine |
| CN203270240U (en) * | 2013-01-21 | 2013-11-06 | 新杰克缝纫机股份有限公司 | Thread clamping mechanism of sewing machine |
| CN108374245A (en) * | 2015-06-19 | 2018-08-07 | 杰克缝纫机股份有限公司 | The wire-clamping device and its operational method of sewing machine |
| CN108729046A (en) * | 2018-05-25 | 2018-11-02 | 林泽贤 | Thread cutter for sewing machine |
| CN109137286A (en) * | 2018-09-20 | 2019-01-04 | 林泽贤 | Thread cutter |
| CN210104231U (en) * | 2019-03-01 | 2020-02-21 | 林泽贤 | Tangent line subassembly, tangent line device and sewing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831933A (en) * | 2020-06-19 | 2021-05-25 | 珠海运控瑞奇数控科技有限公司 | Automatic bottom thread breaking method for sewing and sewing machine thereof |
| CN112831933B (en) * | 2020-06-19 | 2022-08-12 | 珠海运控瑞奇数控科技有限公司 | Automatic bottom thread breaking method for sewing and sewing machine thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109881388B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108729046A (en) | Thread cutter for sewing machine | |
| CN109881388A (en) | Tangent line component, thread cutter and sewing machine | |
| CN107938192A (en) | Cut the control method of bottom line device, sewing machine and sewing machine | |
| CN209276778U (en) | Thread cutter | |
| CN109695105A (en) | Trimming component, cutting facility and sewing machine | |
| CN109137286A (en) | Thread cutter | |
| JP5057303B2 (en) | Sewing machine with upper decoration mechanism | |
| TWI391547B (en) | Sewing machine tangent device | |
| CN210104231U (en) | Tangent line subassembly, tangent line device and sewing machine | |
| CN210104230U (en) | Thread trimming assembly, thread trimming device and sewing machine | |
| CN208121342U (en) | Section line apparatus and sewing machine | |
| CN107700083B (en) | Sewing device and sewing method | |
| JP2641080B2 (en) | Edge sewing machine for trousers | |
| TWI727017B (en) | Fabric sewing method and double loop stitch sewing machine | |
| US3257979A (en) | Trimming and material folding device for overlock sewing machine | |
| JP3754880B2 (en) | Sewing machine presser foot | |
| CN108130661A (en) | The control method of section line apparatus, sewing machine and sewing machine | |
| US1197112A (en) | Sewing-machine. | |
| US3128730A (en) | Sewing machine for feeding, sewing and cutting sections of tape | |
| JP2512639B2 (en) | Satin stitch presser | |
| CN208121343U (en) | Cut baseline device and sewing machine | |
| US1339121A (en) | Presser-foot for sewing-machines | |
| US2180424A (en) | Cutting and hemming and stitching apparatus | |
| JP6728041B2 (en) | Sewing machine, method and clothing | |
| CN221276049U (en) | Prevent bird's nest subassembly and have its sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |