CN204919021U - Independent presser foot mechanism of fan -shaped cam -type - Google Patents

Independent presser foot mechanism of fan -shaped cam -type Download PDF

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Publication number
CN204919021U
CN204919021U CN201520712244.2U CN201520712244U CN204919021U CN 204919021 U CN204919021 U CN 204919021U CN 201520712244 U CN201520712244 U CN 201520712244U CN 204919021 U CN204919021 U CN 204919021U
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China
Prior art keywords
connecting rod
presser
sector
fixed
presser foot
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Active
Application number
CN201520712244.2U
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Chinese (zh)
Inventor
王海江
方狄永
何纪江
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Zhejiang Xinsheng Technology Co Ltd
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ZHEJIANG XINSHENG SEWING EQUIPMENT CO Ltd
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Priority to CN201520712244.2U priority Critical patent/CN204919021U/en
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Publication of CN204919021U publication Critical patent/CN204919021U/en
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Abstract

The utility model discloses an independent presser foot mechanism of fan -shaped cam -type, including the aircraft nose, every aircraft nose is provided with an independent presser foot, independent presser foot includes the presser bar, the presser bar lower extreme is fixed with the presser foot, be fixed with the latch segment on the presser bar, pass a main shaft and a drive shaft in the aircraft nose, main shaft and drive shaft are parallel, be fixed with the needle bar driving cam on the main shaft, be fixed with fan -shaped cam in the drive shaft, the needle bar driving cam is through the fan -shaped cam of link mechanism drive, fan -shaped cam rises through the 2nd link mechanism drive latch segment, the presser bar is connected with compression spring, the presser bar resets downwards through compression spring. The utility model discloses guarantee the unity of different needle position compress pressure, improved the stability of warpout acupuncture when wearing the cloth.

Description

A kind of sector formula independence presser foot device
Technical field
The utility model relates to embroidery machine, particularly relates to embroidery machine presser foot.
Background technology
Traditional embroidery machine, each shank arranges a presser feet, bottom shank, eedle is set, in addition corresponding each presser feet also needs to arrange presser feet spring, presser feet cover, and a series of actions of above-mentioned eedle, presser feet cover, presser feet spring and presser feet all operates on same shank, drive to shank and shank and add huge pressure, accelerate the wearing and tearing of shank, affect the service life of needle bar drive device, greatly inhibit the speed of service of needle bar drive device.And existing presser foot device, easily cause the pressure during compress of differing needles position inconsistent, move when eedle pierces through cloth unstable.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of sector formula independence presser foot device, realizes the lightweight of shank, improves the speed of service and the precision of needle bar drive device.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of sector formula independence presser foot device, comprise head, each head is provided with an independent presser feet, described independent presser feet comprises presser bar, described presser bar lower end is fixed with presser feet, described presser bar is fixed with latch segment, through a main shaft and a driving shaft in described head, described main shaft is parallel with driving shaft, described main shaft is fixed with shank driving cam, described driving shaft is fixed with sector, described shank driving cam drives sector by first connecting rod mechanism, described sector drives latch segment to rise by second connecting rod mechanism, described presser bar is connected with compression spring, described presser bar is resetted downwards by compression spring.
Preferably, described first connecting rod mechanism comprises first connecting rod, second connecting rod, first connecting rod pin, first end and the shank driving cam of described first connecting rod are hinged, second end of described first connecting rod by first connecting rod pin and second connecting rod hinged, first end and the driving shaft of described second connecting rod are fixed.
Preferably, described second connecting rod mechanism comprises third connecting rod, second connecting rod pin, middle part and the second connecting rod pin of described third connecting rod are hinged, described third connecting rod and second connecting rod pin junction are provided with torsion spring, and torsion spring elastic force direction is towards sector, and the first end of described third connecting rod is provided with the first ball, second end of described third connecting rod is provided with the second ball, under torsion spring effect, the cam surface of described first ball and sector is close to, and fits in described second ball and latch segment bottom surface.
Preferably, described third connecting rod comprise set gradually to the second end by first end first paragraph, second segment, the 3rd section, V-shaped structure between described first paragraph and second segment, in L-type structure between described second segment and the 3rd section.
Preferably, described presser bar is guided by guide frame and moves up and down, and described guide frame comprises guide finger, and described guide finger is through gathering sill, and described guide finger is horizontally disposed with, and described guide finger and latch segment are fixed, and described gathering sill is installed on head.
Preferably, described presser bar upper end is located in guide hole.
Preferably, be also provided with pressure foot lifting structure, described pressure foot lifting structure comprises lifting cylinder, and described lifting cylinder is installed on head, and the piston mandril of described lifting cylinder is connected with lift block, and described lift block is for promoting guide finger.
The utility model adopts independent presser feet to realize single presser feet cooperation multi-needle embroidering work energy, and presser feet is separated with shank, and on head, all shanks share a presser feet, and the parts therefore on shank are reduced, and realize lightweight.In addition, because the load on needle bar drive device almost reduces half, improve stability and the service life of needle bar drive device, reduce flight-line maintenance rate, make the speed of service of mechanism be greatly improved simultaneously.And independent presser foot device differing needles position is same presser feet work, ensure that the unification of differing needles position compress pressure, improve stability when eedle pierces through cloth.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is Facad structure schematic diagram of the present utility model;
Fig. 2 is partial structurtes schematic diagram one of the present utility model;
Fig. 3 is partial structurtes schematic diagram two of the present utility model;
Fig. 4 is partial structurtes schematic diagram three (in Fig. 1 E-E section) of the present utility model.
Detailed description of the invention
As shown in Figure 1 to Figure 4, a kind of sector formula independence presser foot device, comprises head, and through a main shaft 1 and a driving shaft 7 in described head, described main shaft 1 is parallel with driving shaft 7, and each head is provided with an independent presser feet.Described independent presser feet comprises presser bar 18, presser bar 18 upper end is located in the guide hole of guide pin bushing 20, guide pin bushing 20 is installed on head shell, presser bar 18 axially moves up and down along guide hole, described presser bar 18 lower end is fixed with presser feet 21, described presser bar 18 is driven by presser foot drive and rises, and described presser bar 18 is provided with latch segment 17, and described presser foot drive drives presser bar 18 to rise by promoting latch segment 17.Described presser bar 18 is connected with compression spring 19, and compression spring 19 is located between latch segment 17 and guide pin bushing 20, and compression spring 19 pairs of latch segments 17 have pressuring action, and presser bar 18 is resetted downwards by compression spring 19.
Presser foot drive wherein comprises the shank driving cam 3 be fixed on main shaft 1 and the sector 9 be fixed on driving shaft 7, shank driving cam 3 is fixed on main shaft 1 by the first lasso 2, shank driving cam 3 drives sector 9 by first connecting rod mechanism, sector 9 drives latch segment 17 to rise by second connecting rod mechanism, guide finger 26 latch segment 17 is equipped with, guide finger 26 is installed in the gathering sill of guide plate 27, gathering sill is vertically arranged, guide plate 27 is fixed on installing plate 14, and gathering sill plays guide effect to moving up and down of presser feet 21.
As shown in Figure 2, described first connecting rod mechanism comprises first connecting rod 4, second connecting rod 6, first connecting rod pin 5, first end and the shank driving cam 3 of described first connecting rod 4 are hinged, second end of described first connecting rod 4 is hinged by first connecting rod pin 5 and second connecting rod 6, first end and the driving shaft 7 of described second connecting rod 6 are fixed, and second connecting rod 6 and driving shaft 7 adopt screw to hold out against or hold tightly.During work, driving shaft 7 rotates equal angular with second connecting rod 6, and sector 9 is enclosed within the second lasso 8, is fixed by the second lasso 8 and driving shaft 7, and therefore driving shaft 7 synchronously drives sector 9 to rotate equal angular.
As shown in Figure 3, described second connecting rod mechanism comprises third connecting rod 11, second connecting rod pin 12, second connecting rod pin 12 is fixed on installing plate 14, installing plate 14 is fixed on head shell, middle part and the second connecting rod pin 12 of described third connecting rod 11 are hinged, described third connecting rod 11 is provided with torsion spring 13 with second connecting rod pin 12 junction, torsion spring 13 elastic force direction is towards sector 9, the first end of described third connecting rod 11 is provided with the first ball 10, second end of described third connecting rod 11 is provided with the second ball 16, under torsion spring 13 acts on, described first ball 10 is close to the cam surface of sector 9, described second ball 16 is fitted with the bottom surface of latch segment 17.Wherein, third connecting rod 11 is a monoblock type connecting rod, comprise set gradually to the second end by first end first paragraph 111, second segment 112, the 3rd section 113, in roughly V-structure between described first paragraph 111 and second segment 112, roughly in L-type structure between described second segment 112 and the 3rd section 113, so both be convenient to connecting rod install, serve again the effect that many connecting rod assemblies just can be played.Third connecting rod 11 drives presser bar 18 to move by the second ball 16, and the presser feet 21 be simultaneously fixed on presser bar 18 also moves up and down thereupon.
As shown in Figure 1 and Figure 4, also be provided with pressure foot lifting structure, described pressure foot lifting structure comprises lifting cylinder 22, installing plate 14 is provided with cylinder holder 23, described lifting cylinder 22 is installed on cylinder holder 23, the piston mandril 24 of described lifting cylinder 22 is connected with lift block 25, lift block 25 is for promoting guide finger 26, because guide finger 26 is fixed on latch segment 17, therefore lift block 25 can the lifting of Timing Belt dynamic pressure pin 21, because guide finger 26 moves along gathering sill vertical direction, therefore gathering sill plays guide effect to moving up and down of presser feet 21.The effect of pressure foot lifting structure promotes presser feet 21 when being that embroidery stops or jumping, latch segment 17 and the second ball 16 are departed from, make presser feet 21 stop motion, now presser feet 21 and cloth cover A have larger space, convenient for maintaining, change the operation such as cloth, needle exchange, when presser feet 21 works, the piston mandril 24 of lifting cylinder 22 falls after rise, does not have an impact to presser feet 21 work.

Claims (7)

1. a sector formula independence presser foot device, comprise head, it is characterized in that: each head is provided with an independent presser feet, described independent presser feet comprises presser bar, described presser bar lower end is fixed with presser feet, described presser bar is fixed with latch segment, through a main shaft and a driving shaft in described head, described main shaft is parallel with driving shaft, described main shaft is fixed with shank driving cam, described driving shaft is fixed with sector, described shank driving cam drives sector by first connecting rod mechanism, described sector drives latch segment to rise by second connecting rod mechanism, described presser bar is connected with compression spring, described presser bar is resetted downwards by compression spring.
2. a kind of sector formula independence presser foot device according to claim 1, it is characterized in that: described first connecting rod mechanism comprises first connecting rod, second connecting rod, first connecting rod pin, first end and the shank driving cam of described first connecting rod are hinged, second end of described first connecting rod by first connecting rod pin and second connecting rod hinged, first end and the driving shaft of described second connecting rod are fixed.
3. a kind of sector formula independence presser foot device according to claim 2, it is characterized in that: described second connecting rod mechanism comprises third connecting rod, second connecting rod pin, middle part and the second connecting rod pin of described third connecting rod are hinged, described third connecting rod and second connecting rod pin junction are provided with torsion spring, torsion spring elastic force direction is towards sector, the first end of described third connecting rod is provided with the first ball, second end of described third connecting rod is provided with the second ball, under torsion spring effect, the cam surface of described first ball and sector is close to, fit in described second ball and latch segment bottom surface.
4. a kind of sector formula independence presser foot device according to claim 3, it is characterized in that: described third connecting rod comprise set gradually to the second end by first end first paragraph, second segment, the 3rd section, V-shaped structure between described first paragraph and second segment, in L-type structure between described second segment and the 3rd section.
5. a kind of sector formula independence presser foot device according to Claims 1-4 any one, it is characterized in that: described presser bar is guided by guide frame and moves up and down, described guide frame comprises guide finger, described guide finger is through gathering sill, described guide finger is horizontally disposed with, described guide finger and latch segment are fixed, and described gathering sill is installed on head.
6. a kind of sector formula independence presser foot device according to claim 5, is characterized in that: described presser bar upper end is located in guide hole.
7. a kind of sector formula independence presser foot device according to claim 5, it is characterized in that: be also provided with pressure foot lifting structure, described pressure foot lifting structure comprises lifting cylinder, described lifting cylinder is installed on head, the piston mandril of described lifting cylinder is connected with lift block, and described lift block is for promoting guide finger.
CN201520712244.2U 2015-09-15 2015-09-15 Independent presser foot mechanism of fan -shaped cam -type Active CN204919021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520712244.2U CN204919021U (en) 2015-09-15 2015-09-15 Independent presser foot mechanism of fan -shaped cam -type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520712244.2U CN204919021U (en) 2015-09-15 2015-09-15 Independent presser foot mechanism of fan -shaped cam -type

Publications (1)

Publication Number Publication Date
CN204919021U true CN204919021U (en) 2015-12-30

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109594244A (en) * 2018-12-31 2019-04-09 张丁元 Independent presser foot device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109594244A (en) * 2018-12-31 2019-04-09 张丁元 Independent presser foot device
CN109594244B (en) * 2018-12-31 2023-11-28 张丁元 Independent presser foot mechanism

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province

Patentee after: Zhejiang Xinsheng Science and Technology Co., Ltd.

Address before: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province

Patentee before: Zhejiang Xinsheng Sewing Equipment Co.,Ltd.

CP01 Change in the name or title of a patent holder