CN110485078B - Device with auxiliary presser foot and presser foot protection function and embroidery machine - Google Patents
Device with auxiliary presser foot and presser foot protection function and embroidery machine Download PDFInfo
- Publication number
- CN110485078B CN110485078B CN201910619179.1A CN201910619179A CN110485078B CN 110485078 B CN110485078 B CN 110485078B CN 201910619179 A CN201910619179 A CN 201910619179A CN 110485078 B CN110485078 B CN 110485078B
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- China
- Prior art keywords
- presser foot
- piece
- protection
- torsional spring
- auxiliary
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Links
- 239000004744 fabric Substances 0.000 claims abstract description 32
- 210000003734 kidney Anatomy 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000000872 buffer Substances 0.000 abstract description 20
- 230000001681 protective effect Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C13/00—Auxiliary devices incorporated in embroidering machines, not otherwise provided for; Ancillary apparatus for use with embroidering machines
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a device with auxiliary presser foot and presser foot protection function and an embroidery machine, wherein the device comprises a protection piece, a fixed seat and an elastic buffer piece, the protection piece is provided with a through hole for a needle bar and the presser foot to pass through, the protection piece is movably connected with the fixed seat, the elastic buffer piece is arranged between the protection piece and the fixed seat, and when the protection piece is impacted, the elastic buffer piece absorbs and buffers impact force. The protective device is provided with the protective piece and the elastic buffer piece, when improper operation occurs, the protective piece can rebound through the elastic buffer piece when encountering hard objects, so that the presser foot and the needle bar are prevented from being directly impacted, the presser foot and the needle bar are prevented from being damaged, and the too high maintenance rate caused by the fact that the presser foot and the needle bar are not protected is avoided. The protection piece has the function of auxiliary cloth pressing at the same time, and the protection piece can play an auxiliary cloth pressing effect because a large cloth pressing area is needed when the fabric is fluffy in some working environments.
Description
Technical Field
The invention relates to the technical field of embroidery machines.
Background
The presser foot of the current embroidery machine is not provided with a protective structure, so that when the presser foot is impacted by hard objects during improper operation, the presser foot and the needle bar can be damaged, and the maintenance rate is too high.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device with auxiliary presser foot and presser foot protection function, which protects the presser foot and needle bar from damage.
In order to solve the technical problems, the invention adopts the following technical scheme: the device with the auxiliary presser foot and presser foot protection function comprises a protection piece, a fixing seat and an elastic buffer piece, wherein the protection piece is provided with a through hole for a needle bar and the presser foot to pass through, the protection piece is movably connected with the fixing seat, the elastic buffer piece is arranged between the protection piece and the fixing seat, and when the protection piece is impacted, the elastic buffer piece absorbs and buffers impact force and protects the needle bar and the presser foot from being impacted.
Optionally, the guard piece fixed connection linking bridge, the linking bridge rotates with the fixing base to be connected, the elastic buffer piece is the torsional spring.
Optionally, be fixed with torsional spring fixed pin, guide pin and the rotation round pin of being connected with the linking bridge rotation on the fixing base, the torsional spring is installed in torsional spring fixed pin, and the first stabilizer blade and the guide pin of torsional spring are connected, and the second stabilizer blade and the guard piece or the linking bridge of torsional spring are connected.
Optionally, the linking bridge is equipped with first kidney slot and second kidney slot, torsional spring fixed pin connects in first kidney slot, the guide pin is connected in the second kidney slot.
Optionally, the protection piece includes the bowl shape portion that the level set up, and the bowl bottom of bowl shape portion has cloth pressing face and the through-hole link up from top to bottom and press the cloth face.
Optionally, the bowl-shaped part is connected with the slope section, the slope section is connected with the horizontal segment, horizontal segment part is fixed in the linking bridge bottom surface, and part is connected with the second stabilizer blade of torsional spring fixed pin.
Optionally, the fixing base is connected with a lifting shaft, and the lifting shaft is connected with a lifter.
Optionally, the lifter is a lifting motor or a cylinder.
Optionally, the lifter is a cam linkage mechanism.
The invention also provides an embroidery machine which comprises the device with the auxiliary presser foot and the presser foot protection function.
The invention adopts the technical scheme and has the following beneficial effects:
1. the protective device is provided with the protective piece and the elastic buffer piece, when improper operation occurs, the protective piece can rebound through the elastic buffer piece when encountering hard objects, so that the presser foot and the needle bar are prevented from being directly impacted, the presser foot and the needle bar are prevented from being damaged, and the too high maintenance rate caused by the fact that the presser foot and the needle bar are not protected is avoided.
2. The protection piece has the function of auxiliary cloth pressing at the same time, and a larger cloth pressing area is needed when the fabric is fluffy in some working environments, so that the protection piece can have the effect of auxiliary cloth pressing, such as down embroidery, automobile seat cushion and the like.
3. When the protection piece bumps into hard object impact, acts on the second stabilizer blade of torsional spring, and the linking bridge cooperates the direction through first kidney slot, second kidney slot and torsional spring fixed pin, guide pin and moves with the protection piece to absorb and cushion impact force by torsional spring elasticity bolster, therefore can restrict protection piece action range, avoid the protection piece to transmit the impact to needle bar and presser foot.
4. The side wall of the bowl-shaped part is used as a protective cover to protect the needle bar and the bottom of the presser foot, and the presser foot and the needle bar are protected from being damaged. Because the protection piece has the function of assisting in pressing cloth, the cloth pressing surface of the bowl bottom of the bowl-shaped part can be arranged larger to be matched with the presser foot, and the cloth pressing area is larger.
5. The guard can be lifted and lowered by the lifter, the guard and the presser foot can work synchronously or reversely, and the setting can be changed according to different environments.
6. Preferably, the lifting shaft is controlled by a single motor, and the protective piece is driven, so that the height of the protective piece is adjustable according to the thickness of the fabric by controlling the single motor.
The specific technical scheme and the beneficial effects of the invention are described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a front view of a partial assembly of the presser foot guard structure of the present invention;
FIG. 2 is a top view of a partial assembly of the presser foot guard structure of the present invention;
FIG. 3 is a front view of the foot guard of the present invention mounted to a handpiece;
FIG. 4 is a front view of the presser foot guard structure of the present invention mounted to a handpiece (needle bar frame not shown);
in the figure: 1-guard, 11-bowl, 111-via, 12-inclined section, 13-horizontal section, 2-connecting bracket, 21-first kidney slot, 22-second kidney slot, 3-rotation pin, 4-torsion spring fixing pin, 5-torsion spring, 6-guide pin, 7-fixing seat, 71-fixing hole, 8-lifting shaft, 9-lifter, 100-needle bar frame, 200-head shell, 101-needle bar, 102-presser foot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is to be understood that the features of the examples and embodiments described below may be combined with each other without conflict.
It is to be understood that the following words "front," "rear," "upper," "lower," and the like, designate orientations or positional relationships, based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the invention and to simplify the description, and do not designate or imply that the devices/elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention.
Example 1
As shown in fig. 1 to 4, the device with auxiliary presser foot and presser foot protecting function comprises a protecting piece 1, a fixing seat 7 and an elastic buffer piece, wherein the protecting piece 1 is provided with a through hole 111 for a needle bar 101 and a presser foot 102 to pass through, the protecting piece 1 is movably connected with the fixing seat 7, the elastic buffer piece is arranged between the protecting piece 1 and the fixing seat 7, and when the protecting piece 1 is impacted, the elastic buffer piece absorbs and buffers impact force.
Moreover, the bottom of the protection piece 1 is provided with a cloth pressing surface, so that the hard object impact can be directly resisted, and an auxiliary cloth pressing effect can be achieved. The protector 1 has a shield cover in which the needle bar 101 and the presser foot 102 can be housed.
Therefore, when improper operation occurs, the protecting piece 1 can rebound through the elastic buffer piece when encountering hard object impact, so as to avoid direct impact on the presser foot and the needle bar, thereby protecting the presser foot and the needle bar from being damaged and avoiding overhigh maintenance rate caused by no protection. The protection piece has the function of auxiliary cloth pressing, and the cloth pressing area of the protection piece is larger when the fabric is fluffy in some working environments, so that the protection piece can have the effect of auxiliary cloth pressing, such as down embroidery, automobile seat cushion and the like.
The protection piece 1 is fixedly connected with the connecting support 2, the connecting support 2 is rotatably connected with the fixing seat 7, and the protection piece 1 and the connecting support 2 can be regarded as an integral part.
As an embodiment, the elastic buffer member is a torsion spring 5, and those skilled in the art will appreciate that the torsion spring 5 has two legs, i.e., a first leg and a second leg. The fixing seat 7 is fixedly provided with a torsion spring fixing pin 4, a guide pin 6 and a rotating pin 3 rotationally connected with the connecting support 2, the guide pin 6 is positioned at the front side of the torsion spring fixing pin 4, the torsion spring 5 is arranged on the torsion spring fixing pin 4, a first support leg of the torsion spring 5 is connected with the guide pin 6, and a second support leg of the torsion spring 5 is connected with the protection piece 1 or can also be connected with the connecting support 2. The connecting bracket 2 is provided with a first kidney-shaped groove 21 and a second kidney-shaped groove 22, the torsion spring fixing pin 4 is connected with and penetrates through the first kidney-shaped groove 21, and the guide pin 6 is connected with and penetrates through the second kidney-shaped groove 22. When the protection piece 1 encounters hard impact, the second support leg of the torsion spring 5 acts on the connecting support 2, the torsion spring fixing pin 4 and the guide pin 6 cooperate and guide through the first waist-shaped groove 21 and the second waist-shaped groove 22 to act together with the protection piece 1, and the impact force is absorbed and buffered by the elastic buffer piece of the torsion spring 5, so that the action range of the protection piece can be limited, and the protection piece is prevented from transmitting the impact to the needle bar and the presser foot.
As an embodiment, the guard 1 includes a bowl-shaped part 11 horizontally disposed, and the through hole 111 is disposed at the bottom of the bowl. The bowl bottom of the bowl-shaped part is used as a cloth pressing surface, and the through holes 111 vertically penetrate through the cloth pressing surface. The side walls of the bowl 11 act as shields to protect the needle bar 101 and the bottom of the presser foot 102 from damage. Because the protection piece has the function of auxiliary cloth pressing, the cloth pressing surface of the bowl bottom of the bowl-shaped part can be arranged to be larger, for example, two times or more than that of a common presser foot.
Specifically, the bowl-shaped part is connected with an inclined section 12, the inclined section 12 is connected with a horizontal section 13, part of the horizontal section 13 is fixed on the bottom surface of the connecting bracket, and the other part of the horizontal section is connected with a second support leg of the torsional spring fixing pin.
Of course, the fixing base 7 is connected with a lifting shaft 8, and referring to fig. 2, the fixing base 7 is provided with a fixing hole 71 fixed to the lifting shaft 8, and the lifting shaft 8 is connected with a lifter 9. The lifter structure can refer to the existing presser foot lifting structure, and comprises an independent presser foot lifting mechanism, such as a separate motor or a cylinder, and also can be a cam link mechanism, and is driven by a machine head spindle.
The lifting shaft 8 is preferably controlled by a separate motor, which in turn drives the guard 1, whereby the height of the guard 1 is adjustable according to the thickness of the material by controlling the separate motor. The guard 1 has three working height positions, namely an origin a, a second working point B and a third lowest point D, the presser foot is located at the origin a when the machine is started, and the presser foot moves between the working point B and the lowest point D when the machine is started. The distance between the working point B and the lowest point D can be changed by controlling the motor, the level embroidery height value is changed to be large, the working point B is moved downwards, the level embroidery height value is changed to be small, and the working point B is moved upwards. If the stroke of the plain embroidery protective piece is enlarged, the range from the working point B to the lowest point D is enlarged, and the up-and-down movement amplitude of the protective piece is enlarged during working; if the stroke of the plain embroidery protective piece is reduced, the range from the working point B to the lowest point D is enlarged, and the up-and-down movement amplitude of the protective piece is reduced during working.
The protection piece 1 and the common presser foot existing at present on the embroidery machine can synchronously work or reversely work, the setting can be changed according to different environments, if the protection piece works in the same direction, the protection piece and the common presser foot simultaneously or the protection piece moves downwards before the common presser foot, the protection piece can protect the common presser foot, and the cloth pressing effect on the peripheral range of embroidery is increased when the embroidery is performed, so that the embroidery is smoother (suitable for the case that the small-stitch fabric is not thick); if the protective piece works reversely, the movement direction of the protective piece is opposite to that of the common presser foot, the common presser foot is lifted, the protective piece moves downwards to the lower part of the common presser foot, the tabouret moves at the moment to drive the fabric to the next embroidery point, and the protective piece acts on the fabric to enable the fluffy fabric to be flattened in advance during high-speed embroidery (suitable for large needle pitch and thicker fabric).
In addition, it will be appreciated by those skilled in the art that the conventional presser foot protected by the presser foot guard may be either a conventional presser foot that is coupled to the needle bar or a separate presser foot.
Example two
Referring to fig. 3 and 4, the embroidery machine comprises a machine head, wherein the machine head comprises a machine head shell 200 and a needle bar frame 100, the device with auxiliary presser foot and presser foot protection function is a part of the machine head, the needle bar frame 100 is provided with a row of needle bars 101 and presser feet 102 correspondingly arranged, the machine head shell is provided with a lifting shaft 8 and a lifter 9, and the lifting shaft 8 is arranged in a vertical guide hole.
While the invention has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the invention is not limited to the specific embodiments described above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
Claims (7)
1. Device with supplementary presser foot and presser foot safeguard function, its characterized in that: including protector, fixing base, elasticity bolster, the protector is equipped with the via hole that supplies needle bar and presser foot to pass through, the protector has the protection casing, protector and fixing base swing joint, elasticity bolster sets up between protector and fixing base, and elasticity bolster absorbs and cushion the impact force and protects needle bar and presser foot not to receive the impact when the protector receives the impact, protector fixed connection linking bridge, the linking bridge rotates with the fixing base to be connected, elasticity bolster is the torsional spring, be fixed with torsional spring fixed pin, guide pin on the fixing base and rotate the rotation round pin of being connected with the linking bridge, the torsional spring is installed in torsional spring fixed pin, and the first stabilizer blade and the guide pin of torsional spring are connected, and the second stabilizer blade and the protector or the linking bridge of torsional spring are connected, the linking bridge is equipped with first kidney slot and second kidney slot, the torsional spring fixed pin is connected in first kidney slot, the guide pin is connected in the second kidney slot.
2. The device with auxiliary presser foot and presser foot protection function as claimed in claim 1, wherein: the protection piece comprises a bowl-shaped part which is horizontally arranged, wherein the bowl bottom of the bowl-shaped part is provided with a cloth pressing surface, and the through holes are vertically communicated with the cloth pressing surface.
3. The device with auxiliary presser foot and presser foot protection function as claimed in claim 2, characterized in that: the bowl-shaped part is connected with an inclined section, the inclined section is connected with a horizontal section, a part of the horizontal section is fixed on the bottom surface of the connecting support, and a part of the horizontal section is connected with a second support leg of the torsional spring fixing pin.
4. A device with auxiliary presser foot and presser foot protection as claimed in any one of claims 1 to 3, characterized in that: the fixing base is connected with a lifting shaft, and the lifting shaft is connected with a lifter.
5. The device with auxiliary presser foot and presser foot protection as claimed in claim 4, wherein: the lifter is a lifting motor or an air cylinder.
6. The device with auxiliary presser foot and presser foot protection as claimed in claim 4, wherein: the lifter is a cam link mechanism.
7. Embroidery machine, its characterized in that: comprising a device according to any one of claims 1 to 6 with auxiliary presser foot and presser foot protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619179.1A CN110485078B (en) | 2019-07-10 | 2019-07-10 | Device with auxiliary presser foot and presser foot protection function and embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619179.1A CN110485078B (en) | 2019-07-10 | 2019-07-10 | Device with auxiliary presser foot and presser foot protection function and embroidery machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485078A CN110485078A (en) | 2019-11-22 |
| CN110485078B true CN110485078B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910619179.1A Active CN110485078B (en) | 2019-07-10 | 2019-07-10 | Device with auxiliary presser foot and presser foot protection function and embroidery machine |
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| Country | Link |
|---|---|
| CN (1) | CN110485078B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195578B (en) * | 2020-09-11 | 2022-02-15 | 浙江镨美科智能刺绣设备有限公司 | Needle bar and presser foot independent drive control method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191121842A (en) * | 1911-10-04 | 1912-05-09 | Edwin Brailsford | Guard for Needles of Sewing Machines and the like. |
| GB191225414A (en) * | 1912-11-06 | 1913-09-18 | Scottish Co Operative Wholesal | Improvements in and connected with Sewing Machines. |
| GB191505777A (en) * | 1915-04-17 | 1915-11-04 | Wallace Fairweather | Feeding Mechanism for Sewing Machines. |
| KR810001129Y1 (en) * | 1976-01-22 | 1981-09-17 | 요시다 다다오 | Presser feet construction for sewing machine |
| JP2002306878A (en) * | 2001-04-16 | 2002-10-22 | Brother Ind Ltd | Sewing machine and cloth pressing device for sewing machine |
| EP2518200A2 (en) * | 2011-04-27 | 2012-10-31 | Aisin Seiki Kabushiki Kaisha | Sewing machine embroidery presser and sewing machine |
| CN103820958A (en) * | 2014-03-14 | 2014-05-28 | 浙江信胜缝制设备有限公司 | High-speed hand piece assembly of embroidery machine |
| JP2015146857A (en) * | 2014-02-05 | 2015-08-20 | アイシン精機株式会社 | Presser device for embroidery sewing machine |
| WO2015172422A1 (en) * | 2014-05-13 | 2015-11-19 | 诸暨市新信机电科技有限公司 | Device and method for automatically adjusting height of presser foot of embroidery machine |
| CN206346016U (en) * | 2016-12-26 | 2017-07-21 | 义乌市特轩贸易有限公司 | A kind of presser feet damping |
| CN207244181U (en) * | 2017-07-05 | 2018-04-17 | 诸暨玛雅电器机械有限公司 | Presser feet buffers spring abutment |
| CN210481715U (en) * | 2019-07-10 | 2020-05-08 | 浙江信胜科技股份有限公司 | Embroidery machine presser foot protection structure and embroidery machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080082361A (en) * | 2007-03-08 | 2008-09-11 | 썬스타 특수정밀 주식회사 | Embroidery |
-
2019
- 2019-07-10 CN CN201910619179.1A patent/CN110485078B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191121842A (en) * | 1911-10-04 | 1912-05-09 | Edwin Brailsford | Guard for Needles of Sewing Machines and the like. |
| GB191225414A (en) * | 1912-11-06 | 1913-09-18 | Scottish Co Operative Wholesal | Improvements in and connected with Sewing Machines. |
| GB191505777A (en) * | 1915-04-17 | 1915-11-04 | Wallace Fairweather | Feeding Mechanism for Sewing Machines. |
| KR810001129Y1 (en) * | 1976-01-22 | 1981-09-17 | 요시다 다다오 | Presser feet construction for sewing machine |
| JP2002306878A (en) * | 2001-04-16 | 2002-10-22 | Brother Ind Ltd | Sewing machine and cloth pressing device for sewing machine |
| EP2518200A2 (en) * | 2011-04-27 | 2012-10-31 | Aisin Seiki Kabushiki Kaisha | Sewing machine embroidery presser and sewing machine |
| JP2015146857A (en) * | 2014-02-05 | 2015-08-20 | アイシン精機株式会社 | Presser device for embroidery sewing machine |
| CN103820958A (en) * | 2014-03-14 | 2014-05-28 | 浙江信胜缝制设备有限公司 | High-speed hand piece assembly of embroidery machine |
| WO2015172422A1 (en) * | 2014-05-13 | 2015-11-19 | 诸暨市新信机电科技有限公司 | Device and method for automatically adjusting height of presser foot of embroidery machine |
| CN206346016U (en) * | 2016-12-26 | 2017-07-21 | 义乌市特轩贸易有限公司 | A kind of presser feet damping |
| CN207244181U (en) * | 2017-07-05 | 2018-04-17 | 诸暨玛雅电器机械有限公司 | Presser feet buffers spring abutment |
| CN210481715U (en) * | 2019-07-10 | 2020-05-08 | 浙江信胜科技股份有限公司 | Embroidery machine presser foot protection structure and embroidery machine |
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| Publication number | Publication date |
|---|---|
| CN110485078A (en) | 2019-11-22 |
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