CN116254653A - Embroidery machine head - Google Patents
Embroidery machine head Download PDFInfo
- Publication number
- CN116254653A CN116254653A CN202310222406.3A CN202310222406A CN116254653A CN 116254653 A CN116254653 A CN 116254653A CN 202310222406 A CN202310222406 A CN 202310222406A CN 116254653 A CN116254653 A CN 116254653A
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- CN
- China
- Prior art keywords
- presser foot
- connecting rod
- shaped connecting
- embroidery machine
- opening
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/02—Machine needles
- D05C11/04—Arrangements for fastening or inserting in bars or carriers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an embroidery machine head, which comprises a presser foot transmission device, wherein the presser foot transmission device comprises a cam connected with a main shaft, the cam drives a V-shaped connecting rod with a downward opening, the V-shaped connecting rod with an upward opening is connected with the V-shaped connecting rod with the downward opening, and the V-shaped connecting rod with the upward opening is matched with the presser foot to move; the installation hole at one end is connected with the second transmission shaft in the middle of the ascending V-arrangement connecting rod of opening, the second transmission shaft includes first axle section and second axle section, and the installation hole of the first axle section cooperation embroidery machine aircraft nose casing on, the installation hole of the one end in the middle of the ascending V-arrangement connecting rod of opening is joined in marriage to the second axle section. According to the invention, an independent transmission system of the presser foot is realized through the V-shaped connecting rod structure with opposite upper and lower opening directions, so that not only is the driving stability improved, but also good differential matching is realized by matching the V-shaped connecting rod with the presser foot to perform circular arc track type separable driving, and the presser foot cloth pressing noise is reduced.
Description
The present application is a divisional application of patent application CN201710133022.9 of the "presser foot transmission for embroidery machine head" filed on 2017, 3 and 6.
Technical Field
The invention relates to a presser foot transmission system of an embroidery machine, in particular to a presser foot transmission device for a machine head of the embroidery machine.
Background
The prior embroidery device for embroidery by matching with embroidery needles on needle bars in an embroidery machine head generally comprises a presser foot device, the transmission structure of the prior presser foot device generally synchronously drives a connecting rod through separating the connecting rod from the needle bar transmission device, and the driving mode has the advantages of simple structure, and the defect that one set of transmission system needs to drive two devices of the needle bars and the presser feet, so that the load is heavier, thereby causing larger equipment noise, and on the other hand, the stability of the guide of the needle bars and the presser feet sharing one set of transmission system is relatively poor. There are, of course, technical considerations for separate actuation of the needle bar and the presser foot, i.e. the presser foot is actuated solely by the presser foot drive system but in reality the internal space of the embroidery machine head is very limited, making it impossible to reserve a large amount of space for the person skilled in the art. How to realize the arrangement of the presser foot transmission device in the narrow space of the machine head is the object of the study of the person skilled in the art. On the other hand, as an important technical background, the presser foot is generally sleeved with the needle bar and can press the cloth downwards along with the needle bar, but the ideal state that the speed of pressing the cloth by the presser foot is not too fast is near zero, so that huge impact force and noise are generated on the pressing surface of the presser foot too fast, the embroidery needle connected with the needle bar must penetrate the cloth at high speed, that is, two speeds of the needle bar and the presser foot must be generated by two mutually sleeved parts, at present, the two driving speeds are achieved by the two driving systems of the presser foot device and the needle bar, and the speed of the presser foot is determined by the difference between the speed of driving by the needle bar and the speed of driving by the presser foot device, and the difference is smaller in real time, the better, and the difference is generally difficult to control in the prior art, so that the difference is one of the problems to be solved by the invention.
Disclosure of Invention
The invention provides the presser foot transmission device for the embroidery machine head, which has the advantages of accurate guiding, stable driving and low noise.
The presser foot transmission device for the embroidery machine head comprises a presser foot driven by a main shaft, the presser foot is connected with a needle bar, the needle bar is arranged on a needle bar frame, the presser foot transmission device is arranged between the main shaft and the presser foot and comprises a cam connected with the main shaft, the cam drives a V-shaped connecting rod with a downward opening, the V-shaped connecting rod with the downward opening is connected with a V-shaped connecting rod with an upward opening, and the V-shaped connecting rod with the upward opening is matched with the presser foot to move. The presser foot transmission device realizes an independent transmission system of the presser foot through the V-shaped connecting rod structure with opposite upper and lower opening directions, not only improves the driving stability, but also ensures that the V-shaped connecting rod belongs to a triangular connecting rod, and the amplitude of the vertical swing of the V-shaped connecting rod is very stable relative to the presser foot under the driving of a cam, so that the differential fit can be realized, and the cloth pressing noise is reduced. The differential is completely different from the prior art, the existing connecting rod driven by the presser foot is fixedly connected with the presser foot through a differential, namely, the needle bar power born by the presser foot and the force transmitted to the presser foot by the connecting rod through the differential are offset up and down, the differential generated by offset is in curve change due to the movement speed of the needle bar, and the driving force brought by the presser foot driving device cannot be well matched with the curve change speed. The V-shaped connecting rod with the upward opening is matched with the presser foot to move, namely the V-shaped connecting rod and the presser foot can be separated (the traditional connecting rod cannot be separated), the connecting end of the V-shaped connecting rod with the upward opening and the presser foot are driven in a circular arc track in the process of driving the presser foot, namely the driving force of the presser foot is also in curve change, and the speed of the driving force of the presser foot can be well matched with the speed of a needle rod, so that the mute effect of cloth pressing is achieved. The circular arc track drives the circular arc track to be determined by the shape of the cam. The V-shaped connecting rod with the upward opening is connected with the presser foot in a fitting way, so that the differential speed stability between the V-shaped connecting rod and the presser foot is further improved, and the differential speed value is smaller.
In order to further improve the stability and accuracy of transmission, the cam side is provided with a track groove, a rolling body is arranged in the track groove, the rolling body is connected with one end of a V-shaped connecting rod with a downward opening, a first transmission shaft is connected with a mounting hole at one end in the middle of the V-shaped connecting rod with the downward opening, the other end of the V-shaped connecting rod with the downward opening is connected with one end of the V-shaped connecting rod with the upward opening through a connecting rod, a mounting hole at one end in the middle of the V-shaped connecting rod with the upward opening is connected with a second transmission shaft, and the other end of the V-shaped connecting rod with the upward opening drives a presser foot to move. The transmission structure is rotatably supported by one end in the middle of the V-shaped connecting rod, and the two ends are in transmission connection, so that not only is good control of the stress motion curve of the presser foot realized, but also an up-down matched stress relation is formed, and the transmission stability and accuracy are improved. The motion track of the rolling body is positioned in a track groove below the main shaft, so that the stable swing amplitude of the V-shaped connecting rod is ensured.
The first transmission shaft is arranged on a side plate of the side face of the embroidery machine head, and the second transmission shaft is arranged on the embroidery machine head shell; the first transmission shaft comprises a flange surface attached to the side plate, one side of the flange surface is provided with a mounting shaft matched with the side plate, and the other side of the flange surface is provided with a connecting shaft matched with a mounting hole at one end of the middle of the V-shaped connecting rod with a downward opening; one end of the second transmission shaft is matched with a mounting hole on the machine head shell of the embroidery machine, and the other end of the second transmission shaft is matched with a mounting hole at one end in the middle of the V-shaped connecting rod with an upward opening. This kind of mounting structure carries out dislocation installation with opening decurrent V-arrangement connecting rod and the ascending V-arrangement connecting rod of opening, provides two different supporting positions, improves installation stability and silence effect, and this kind of mounting means has solved the technical drawback that single support in the traditional actuating system.
The presser foot is divided into an upper sheet and a lower sheet which are of an upper-lower structure, a connecting sheet of an integrated structure is arranged between the upper sheet and the lower sheet, a needle rod hole for sleeving a needle rod is formed in the connecting sheet, the top of the upper sheet is connected with a presser foot sliding sleeve, the presser foot sliding sleeve is sleeved with the needle rod, the presser foot sliding sleeve and the needle rod hole form two coaxial guiding functions of the upper-lower structure, and the stability of the up-down operation of the presser foot is improved. The further technical scheme is that the upper piece and the lower piece are respectively positioned at the front side and the rear side of the needle bar, so that the stability of the up-and-down operation of the presser foot is further improved.
The upper part of the presser foot is provided with a guide sleeve, the guide sleeve is matched with a needle bar, and the upper part of the presser foot is provided with a guide sleeve.
In order to improve the silencing effect, a shock absorption ring is arranged at the connecting end of the V-shaped connecting rod with the upward opening and the presser foot sliding sleeve.
Because the presser foot is independently driven by the transmission system, the presser foot is connected with the V-shaped connecting rod with the upward opening, and therefore, one end of the V-shaped connecting rod with the upward opening, which is close to a needle rod, is interfered in a transverse space relative to a needle rod frame for installing the needle rod, a needle rod guide plate for avoiding the transverse space is arranged on the needle rod frame, a guide groove is formed in the needle rod guide plate, and the guide groove is matched with a guide block arranged on the needle rod. The transverse space interference refers to that if the needle bar frame horizontally extends transversely, the needle bar frame can touch the V-shaped connecting rod with the upward opening, and the technical problem that the independent driving of the presser foot can not be realized at present is also caused. According to the invention, the needle bar guide plate avoiding the transverse space is arranged on the needle bar frame, and the guide block is used for guiding the needle bar, so that the technical problem is solved.
According to the invention, an independent transmission system of the presser foot is realized through the V-shaped connecting rod structure with opposite upper and lower opening directions, so that not only is the driving stability improved, but also good differential matching is realized by matching the V-shaped connecting rod with the presser foot to perform circular arc track type separable driving, and the presser foot cloth pressing noise is reduced.
Drawings
FIG. 1 is a perspective view showing a presser foot transmission device for an embroidery machine head according to the present invention;
FIG. 2 is a schematic view showing the structure of partial blanking of the presser foot transmission device for the head of the embroidery machine according to the present invention;
FIG. 3 is a schematic view of the structure of the presser foot according to the present invention;
FIG. 4 is a schematic view of a partially exploded mounting structure of the present invention;
fig. 5 is a schematic view of the structure of the foot pressing sliding sleeve in the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the presser foot transmission device for the embroidery machine head comprises a presser foot 16 driven by a main shaft 4, the presser foot 16 is connected with a needle bar 6, the needle bar 6 is arranged on a needle bar frame 25, and the presser foot transmission device is arranged between the main shaft 4 and the presser foot 6. The presser foot transmission device comprises a cam 5 connected with the main shaft 4, the cam 5 drives a V-shaped connecting rod 8 with a downward opening, the V-shaped connecting rod 8 with the downward opening is connected with a V-shaped connecting rod 5 with an upward opening, and the V-shaped connecting rod 5 with the upward opening drives a presser foot 16 to move.
The cam 5 is preferably provided with a track groove 15 on the side surface, rolling bodies 11 are arranged in the track groove 15, one end of a V-shaped connecting rod 8 with a downward opening is connected with the rolling bodies 11, a first transmission shaft 10 is connected with a mounting hole at one end in the middle of the V-shaped connecting rod 8 with the downward opening, the other end of the V-shaped connecting rod 8 with the downward opening is connected with one end of a V-shaped connecting rod 5 with the upward opening through a connecting rod 12, a second transmission shaft 13 is connected with a mounting hole at one end in the middle of the V-shaped connecting rod 5 with the upward opening, and the other end of the V-shaped connecting rod 5 with the upward opening drives a presser foot 16 to move.
In order to further improve the stability, the first transmission shaft 10 is mounted on the side plate 9 at the side of the embroidery machine head, and the second transmission shaft 13 is mounted on the embroidery machine head housing 1. The first transmission shaft 10 comprises a flange surface attached to the side plate 9, one side of the flange surface is provided with a mounting shaft matched with the side plate, and the other side of the flange surface is provided with a connecting shaft matched with a mounting hole at one end in the middle of the V-shaped connecting rod with a downward opening. The second transmission shaft 13 comprises a first shaft section and a second shaft section with different shaft diameters, the first shaft section is matched with a mounting hole 17 on the machine head shell 1 of the embroidery machine, and the second shaft section is matched with a mounting hole at one end in the middle of the V-shaped connecting rod 5 with an upward opening. Of course, one end of the second transmission shaft is matched with a mounting hole on the machine head shell of the embroidery machine, and the other end of the second transmission shaft is matched with a mounting hole at one end in the middle of the V-shaped connecting rod with an upward opening.
The structure design of the presser foot is as follows: the presser foot 16 is divided into an upper sheet 21 and a lower sheet 23 which are of an upper and lower structure, a connecting sheet 22 of an integrated structure is arranged between the upper sheet and the lower sheet, a needle rod hole sleeved with the needle rod 6 is arranged on the connecting sheet, the top of the upper sheet is connected with a presser foot sliding sleeve 7, and the presser foot sliding sleeve is sleeved with the needle rod. The upper piece and the lower piece are respectively positioned at the front side and the rear side of the needle bar 6. The V-shaped connecting rod 5 with the upward opening is connected with the presser foot 16 through the presser foot sliding sleeve 7, the presser foot sliding sleeve 7 comprises a sliding sleeve seat 18, one end of the sliding sleeve seat 18 is connected with a presser foot upper sheet 21, the other end of the sliding sleeve seat is matched with the V-shaped connecting rod 5 with the upward opening, a groove 20 is formed in the matched position, an upward protruding guide sleeve 19 is arranged in the middle of the sliding sleeve seat, and the guide sleeve 19 is matched with the needle rod 6. The connecting end of the V-shaped connecting rod with the upward opening and the presser foot sliding sleeve is provided with a damping ring 24.
In order to solve the actual interference and improve the guiding problem of the needle bar in the invention, one end of the V-shaped connecting rod 5 with an upward opening, which is close to the needle bar, has transverse space interference relative to a needle bar frame for installing the needle bar, a needle bar guide plate 2 for avoiding the transverse space is arranged on the needle bar frame, a guide groove is arranged on the needle bar guide plate 2, and the guide groove is matched with a guide block 3 arranged on the needle bar.
Claims (10)
1. The embroidery machine head comprises a presser foot transmission device, and is characterized in that the presser foot transmission device comprises a cam connected with a main shaft, the cam drives a V-shaped connecting rod with a downward opening, the V-shaped connecting rod with an upward opening is connected with the V-shaped connecting rod with the downward opening, and the V-shaped connecting rod with the upward opening is matched with the presser foot to move; the installation hole at one end is connected with the second transmission shaft in the middle of the ascending V-arrangement connecting rod of opening, the second transmission shaft includes first axle section and second axle section, and the installation hole of the first axle section cooperation embroidery machine aircraft nose casing on, the installation hole of the one end in the middle of the ascending V-arrangement connecting rod of opening is joined in marriage to the second axle section.
2. The embroidery machine head as recited in claim 1, wherein the first transmission shaft comprises a flange surface attached to the side plate, and a mounting shaft attached to the side plate is provided on one side of the flange surface.
3. The embroidery machine head as claimed in claim 1, wherein the first transmission shaft is connected to the mounting hole at one end of the middle of the V-shaped link with the opening facing downwards, and the first transmission shaft is mounted on the side plate of the side of the embroidery machine head.
4. An embroidery machine head as claimed in claim 1, wherein the cam drives one end of a V-shaped link with a downward opening, the other end of the V-shaped link with a downward opening is connected to one end of a V-shaped link with an upward opening by a link, and the other end of the V-shaped link with an upward opening is engaged with the presser foot for movement.
5. The embroidery machine head as claimed in claim 1, wherein the cam has a track groove on the side surface, rolling elements are disposed in the track groove, and the rolling elements are connected to one end of the V-shaped link with downward opening.
6. The embroidery machine head according to claim 1, wherein the presser foot is a connecting piece with an upper piece and a lower piece, a needle bar hole for sleeving a needle bar is arranged on the connecting piece, and a presser foot sliding sleeve for sleeving the needle bar is connected to the top of the upper piece.
7. An embroidery machine head as claimed in claim 1, wherein the connecting end of the V-shaped link with the upward opening and the presser foot is driven in a circular arc track during the process of matching the presser foot.
8. The embroidery machine head as claimed in claim 1, wherein the V-shaped connecting rod with upward opening is connected with the presser foot through a presser foot sliding sleeve, the presser foot sliding sleeve comprises a sliding sleeve seat, one end of the sliding sleeve seat is connected with the presser foot upper piece, the other end is matched with the V-shaped connecting rod with upward opening, a guide sleeve protruding upwards is arranged in the middle of the sliding sleeve seat, and the guide sleeve is matched with the needle bar.
9. The embroidery machine head according to claim 1, wherein the upward V-shaped connecting rod is connected with the presser foot through a presser foot sliding sleeve, and a shock absorption ring is arranged at the connecting end of the upward V-shaped connecting rod with the presser foot sliding sleeve.
10. An embroidery machine head as claimed in claim 1, wherein the V-shaped link with upward opening has a spatial interference with respect to a needle bar frame on which the needle bar is mounted at one end of the needle bar, and a needle bar guide plate is mounted on the needle bar frame to avoid the above-mentioned space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310222406.3A CN116254653A (en) | 2017-03-06 | 2017-03-06 | Embroidery machine head |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310222406.3A CN116254653A (en) | 2017-03-06 | 2017-03-06 | Embroidery machine head |
| CN201710133022.9A CN106757881A (en) | 2017-03-06 | 2017-03-06 | For the presser foot driving device of machine head of embroidery machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710133022.9A Division CN106757881A (en) | 2017-03-06 | 2017-03-06 | For the presser foot driving device of machine head of embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116254653A true CN116254653A (en) | 2023-06-13 |
Family
ID=58961464
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310222406.3A Pending CN116254653A (en) | 2017-03-06 | 2017-03-06 | Embroidery machine head |
| CN201710133022.9A Pending CN106757881A (en) | 2017-03-06 | 2017-03-06 | For the presser foot driving device of machine head of embroidery machine |
| CN202310222412.9A Pending CN115976757A (en) | 2017-03-06 | 2017-03-06 | Embroidery machine head |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710133022.9A Pending CN106757881A (en) | 2017-03-06 | 2017-03-06 | For the presser foot driving device of machine head of embroidery machine |
| CN202310222412.9A Pending CN115976757A (en) | 2017-03-06 | 2017-03-06 | Embroidery machine head |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN116254653A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049043B (en) * | 2017-11-29 | 2023-08-15 | 诸暨市乐业机电有限公司 | Independent hole carving device of embroidery machine |
| CN111041725A (en) * | 2019-12-27 | 2020-04-21 | 赵海 | Embroidery machine disk belt type flat belt feeding and needle bar rotating cooperative system and cooperative method |
| CN112430919B (en) * | 2020-10-15 | 2024-01-30 | 诸暨玛雅电器机械有限公司 | Needle bar driving clutch mechanism |
| CN113584749B (en) * | 2021-08-31 | 2023-07-21 | 浙江镨美科智能刺绣设备有限公司 | Tape coiling embroidery device and tape coiling embroidery control method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19918169A1 (en) * | 1999-04-21 | 2000-10-26 | Zsk Stickmasch Gmbh | Presser foot on sewing or embroidery machine has interceptor to limit pressure with adjustment for distance relative to needle plate |
| JP2001259272A (en) * | 2000-03-17 | 2001-09-25 | Aisin Seiki Co Ltd | Driving device for pressing cloth mounted on embroidery machine |
| JP2009095503A (en) * | 2007-10-17 | 2009-05-07 | Tokai Ind Sewing Mach Co Ltd | Presser foot for sewing machine and sewing machine |
| CN102535055A (en) * | 2012-01-19 | 2012-07-04 | 石狮市永信电脑设备制造有限公司 | Independent pressure foot driving system of embroidering machine |
| CN202626605U (en) * | 2012-05-22 | 2012-12-26 | 陈展新 | Driving mechanism for press foot of high-speed embroidery machine |
| CN103046250A (en) * | 2012-12-31 | 2013-04-17 | 浙江凯泽路亚绣花机有限责任公司 | Independent press foot mechanism of embroidery machine |
| CN103820958B (en) * | 2014-03-14 | 2016-06-08 | 浙江信胜缝制设备有限公司 | Embroidery machine high speed nose assembly |
| CN203741563U (en) * | 2014-03-14 | 2014-07-30 | 浙江信胜缝制设备有限公司 | High-speed embroidery machine head component |
| CN204023179U (en) * | 2014-06-12 | 2014-12-17 | 浙江德源机电有限公司 | Embroidery machine presser foot driving mechanism |
| CN204474944U (en) * | 2015-01-30 | 2015-07-15 | 上海菱韵机电设备有限公司 | The presser feet position-limit mechanism of machine head of embroidery machine |
| CN205258827U (en) * | 2015-12-17 | 2016-05-25 | 江西禾丰电子机械有限公司 | Presser foot device and embroidery machine equipment of embroidery machine |
| CN205576480U (en) * | 2016-05-10 | 2016-09-14 | 浙江信胜缝制设备有限公司 | Duplex presser foot actuating mechanism and embroidery machine |
| CN206581003U (en) * | 2017-03-06 | 2017-10-24 | 浙江镨美科智能刺绣设备有限公司 | Presser foot driving device for machine head of embroidery machine |
-
2017
- 2017-03-06 CN CN202310222406.3A patent/CN116254653A/en active Pending
- 2017-03-06 CN CN201710133022.9A patent/CN106757881A/en active Pending
- 2017-03-06 CN CN202310222412.9A patent/CN115976757A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115976757A (en) | 2023-04-18 |
| CN106757881A (en) | 2017-05-31 |
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