CN210481715U - Embroidery machine presser foot protection structure and embroidery machine - Google Patents
Embroidery machine presser foot protection structure and embroidery machine Download PDFInfo
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- CN210481715U CN210481715U CN201921071953.1U CN201921071953U CN210481715U CN 210481715 U CN210481715 U CN 210481715U CN 201921071953 U CN201921071953 U CN 201921071953U CN 210481715 U CN210481715 U CN 210481715U
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- embroidery machine
- protection piece
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Abstract
The utility model discloses an embroidery machine presser foot protective structure and embroidery machine, wherein embroidery machine presser foot protective structure includes protection piece, fixing base, elastomeric buffer, the protection piece is equipped with the via hole that supplies needle bar and presser foot to pass through, protection piece and fixing base swing joint, elastomeric buffer sets up between protection piece and fixing base, and elastomeric buffer absorbs and cushion impact force when the protection piece receives the impact. The utility model discloses be equipped with protection piece and elastomeric buffer, when improper operation appears, the protection piece is run into hard thing and is strikeed and can be kick-backed through elastomeric buffer, avoids presser foot and needle bar directly to receive the impact to protection presser foot and needle bar are not destroyed, avoid because of presser foot and needle bar do not protect the maintenance rate that leads to too high. The protection piece has the effect of supplementary compress simultaneously, has some operational environment surface fabrics and just needs bigger compress area than fluffy, and the protection piece can play the effect of supplementary compress.
Description
Technical Field
The utility model relates to an embroidery machine technical field.
Background
The presser foot of present embroidery machine does not set up protection architecture, therefore when the presser foot bumps hard thing and assaults when the improper operation appearing, presser foot and needle bar can be destroyed, causes the maintenance rate too high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an embroidery machine presser foot protective structure is provided, protection presser foot and needle bar are not destroyed.
In order to solve the technical problem, the utility model adopts the following technical scheme: the embroidery machine presser foot protection structure 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 rod and a 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 the elastic buffer piece absorbs and buffers the impact force and protects the needle rod and the presser foot from being impacted when the protection piece is impacted.
Optionally, the protection piece is fixedly connected with a connecting support, the connecting support is rotatably connected with the fixing seat, and the elastic buffer piece is a torsion spring.
Optionally, a torsion spring fixing pin, a guide pin and a rotating pin rotatably connected with the connecting support are fixed on the fixing seat, the torsion spring is mounted on the torsion spring fixing pin, a first support leg of the torsion spring is connected with the guide pin, and a second support leg of the torsion spring is connected with the protection piece or the connecting support.
Optionally, the connecting support is provided with a first kidney-shaped groove and a second kidney-shaped groove, the torsion spring fixing pin is connected with the first kidney-shaped groove, and the guide pin is connected with the second kidney-shaped groove.
Optionally, the protection piece comprises a horizontally arranged bowl-shaped portion, and the bottom of the bowl-shaped portion is provided with a cloth pressing surface, and the through hole penetrates through the cloth pressing surface from top to bottom.
Optionally, the bowl-shaped portion is connected with an inclined section, the inclined section is connected with a horizontal section, the horizontal section is partially fixed on the bottom surface of the connecting support, and the horizontal section is partially connected with the second support leg of the torsion spring fixing pin.
Optionally, the fixing seat is connected with a lifting shaft, and the lifting shaft is connected with a lifter.
Optionally, the lifter is a lifting motor or an air cylinder.
Optionally, the lifter is a cam linkage.
The utility model also provides an embroidery machine, include embroidery machine presser foot protective structure.
The utility model adopts the above technical scheme, following beneficial effect has:
1. the utility model discloses be equipped with protection piece and elastomeric buffer, when improper operation appears, the protection piece is run into hard thing and is strikeed and can be kick-backed through elastomeric buffer, avoids presser foot and needle bar directly to receive the impact to protection presser foot and needle bar are not destroyed, avoid because of presser foot and needle bar do not protect the maintenance rate that leads to too high.
2. The protection piece has the effect of supplementary compress simultaneously, has some operational environment surface fabrics and just needs bigger compress area than fluffy, and the protection piece can play the effect of supplementary compress, for example eiderdown embroidery, car cushion etc..
3. When the protection piece is impacted by a hard object, the impact force acts on the second support leg of the torsion spring, the connecting support is matched with the torsion spring fixing pin and the guide pin through the first and second waist-shaped grooves to guide to act together with the protection piece, and the elastic buffer piece of the torsion spring absorbs and buffers the impact force, so that the action range of the protection piece can be limited, and the impact of the protection piece is prevented from being transmitted to the needle bar and the 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. The protection piece has the function of assisting in pressing cloth, so that the cloth pressing surface of the bottom of the bowl-shaped part can be larger to be matched with the presser foot, and the larger cloth pressing area is obtained.
5. The protection piece can be lifted and lowered by the lifter, the protection piece and the presser foot can work synchronously or reversely, and the arrangement can be changed according to different environments.
6. Preferably, a single motor is used to control the lifting shaft and thus the guard, whereby the height of the guard is adjustable according to the thickness of the fabric by control of the single motor.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a front view of a partial assembly of the presser foot protection structure of the present invention;
fig. 2 is a top view of a partial assembly of the presser foot protection structure of the present invention;
fig. 3 is a front view of the presser foot protection structure of the present invention installed on the machine head;
fig. 4 is a front view of the presser foot guard structure of the present invention mounted to the rear of the machine head (the needle bar frame is not shown);
in the figure: 1-guard, 11-bowl, 111-via, 12-inclined, 13-horizontal, 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 housing, 101-needle bar, 102-presser foot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is to be understood that the features of the following examples and embodiments may be combined with each other without conflict.
It is to be understood that the following terms "front," "back," "upper," "lower," and the like, which refer to orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings only for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example one
As shown in fig. 1 to 4, the presser foot guard structure of the embroidery machine comprises a guard member 1, a fixed seat 7 and an elastic buffer member, wherein the guard member 1 is provided with a through hole 111 for passing a needle bar 101 and a presser foot 102, the guard member 1 is movably connected with the fixed seat 7, the elastic buffer member is arranged between the guard member 1 and the fixed seat 7, and the elastic buffer member absorbs and buffers impact force when the guard member 1 is impacted.
Moreover, the bottom of the protection part 1 is provided with a cloth pressing surface, which can directly resist the impact of hard objects and also can play a role of auxiliary cloth pressing. Further, the guard 1 has a shield cover, and the needle bar 101 and the presser foot 102 can be covered therein.
Therefore, when improper operation occurs, the protection part 1 collides with a hard object and can rebound through the elastic buffer part, so that the direct impact on the presser foot and the needle rod is avoided, the presser foot and the needle rod are protected from being damaged, and the overhigh maintenance rate caused by no protection is avoided. And the protection piece has the effect of auxiliary cloth pressing simultaneously, and some working environment surface fabrics are fluffy and need larger cloth pressing area, and the protection piece can play the effect of auxiliary cloth pressing, such as down feather embroidery, automobile seat cushion and the like.
The protection component 1 is fixedly connected to the connecting bracket 2, and the connecting bracket 2 is rotatably connected to the fixing base 7, but the protection component 1 and the connecting bracket 2 may also be regarded as an integral component.
As an embodiment, the elastic buffer is a torsion spring 5, and those skilled in the art will appreciate that the torsion spring 5 has a total of two legs, i.e. a first leg and a second leg. The fixing seat 7 is fixed with a torsion spring fixing pin 4, a guide pin 6 and a rotating pin 3 which is rotatably connected with the connecting support 2, the guide pin 6 is located on the front side of the torsion spring fixing pin 4, the torsion spring 5 is installed 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 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 member 1 is impacted by a hard object, the impact acts on the second support leg of the torsion spring 5, the connecting bracket 2 is matched with the torsion spring fixing pin 4 and the guide pin 6 through the first and second kidney- shaped grooves 21 and 22 to guide to act together with the protection member 1, and the elastic buffer part of the torsion spring 5 absorbs and buffers the impact force, so that the action range of the protection member can be limited, and the impact of the protection member is prevented from being transmitted to the needle bar and the presser foot.
In one embodiment, the protection component 1 includes a horizontally disposed bowl-shaped portion 11, 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 hole 111 penetrates through the cloth pressing surface up and down. The side wall of the bowl-shaped portion 11 serves as a shield for protecting the bottoms of the needle bar 101 and the presser foot 102 from being damaged. Since the protection part has the function of auxiliary pressing cloth, the pressing cloth surface of the bowl bottom of the bowl-shaped part can be arranged to be larger, for example, twice or more than that of the common presser foot.
Specifically, the bowl-shaped portion is connected with an inclined section 12, the inclined section 12 is connected with a horizontal section 13, the horizontal section 13 is partially fixed on the bottom surface of the connecting support, and the part of the horizontal section is connected with the second support leg of the torsion spring fixing pin.
Of course, the fixed seat 7 is connected with a lifting shaft 8, and as shown in fig. 2, the fixed seat 7 is provided with a fixing hole 71 fixed with the lifting shaft 8, and the lifting shaft 8 is connected with a lifter 9. The lifter structure can refer to the current presser foot lifting structure, and comprises an independent presser foot lifting mechanism, such as a single motor or an air cylinder, and also can be a cam link mechanism which is driven by a machine head spindle.
The lifting shaft 8, and thus the shielding member 1, is preferably controlled by a single motor, so that the height of the shielding member 1 is adjustable according to the thickness of the fabric by controlling the single motor. The guard 1 has three working height positions, firstly an origin a, secondly a working point B and thirdly a lowest point D, the presser foot is at the origin a when starting up and moves between the working point B and the lowest point D when working. The distance between the working point B and the lowest point D can be changed by controlling the motor, the numerical value of the flat embroidery height is changed to be larger, the working point B moves downwards, the numerical value of the flat embroidery height is changed to be smaller, and the working point B moves upwards. If the stroke of the flat embroidery protection piece is adjusted to be large, the range from the working point B to the lowest point D is enlarged, and the vertical movement amplitude of the protection piece is enlarged during working; if the stroke of the flat embroidery protecting piece is adjusted to be small, the range from the working point B to the lowest point D is enlarged, and the vertical movement amplitude of the protecting piece is reduced during working.
The protection part 1 and the existing common presser foot on the embroidery machine can work synchronously or reversely, the arrangement can be changed according to different environments, if the protection part and the common presser foot work in the same direction or the protection part moves downwards before the common presser foot, the protection part can not only protect the common presser foot, but also increase the cloth pressing effect on the embroidery periphery range during embroidery to enable the embroidery to be smoother (suitable for small-needle-pitch fabrics which are not very thick); if the embroidery machine works reversely, the motion direction of the protection piece is opposite to that of the ordinary presser foot, the ordinary presser foot is lifted, the protection piece moves downwards to the position below the ordinary presser foot, the embroidery frame moves at the moment, the fabric is driven to reach the next embroidery point, the protection piece can act with the fabric, and the function is to enable the fluffy fabric to be leveled in advance when the fabric is embroidered at high speed (the embroidery machine is suitable for large stitch length and thick fabric).
In addition, as can be understood by those skilled in the art, the common presser foot protected by the presser foot protection structure can be a conventional presser foot linked with the needle bar or an independent presser foot.
Example two
Referring to fig. 3 and 4, the embroidery machine includes a head including a head housing 200 and a needle bar frame 100, the embroidery machine presser foot guard structure is a part of the head, wherein the needle bar frame 100 is provided with a row of needle bars 101 and a corresponding presser foot 102, a lifting shaft 8 and a lifter 9 are provided on the head housing, and the lifting shaft 8 is provided in a vertical guide hole.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. Embroidery machine presser foot protective structure, its characterized in that: the needle bar and the presser foot are movably connected, the elastic buffer piece is arranged between the protection piece and the fixing seat, and absorbs and buffers the impact force when the protection piece is impacted and protects the needle bar and the presser foot from being impacted.
2. The embroidery machine presser foot guard structure according to claim 1, characterized in that: the protection piece fixed connection linking bridge, linking bridge rotates with the fixing base to be connected, elastic buffer is the torsional spring.
3. The embroidery machine presser foot guard structure according to claim 2, characterized in that: the fixing seat is fixedly provided with a torsion spring fixing pin, a guide pin and a rotating pin which is rotatably connected with the connecting support, the torsion spring is installed on the torsion spring fixing pin, a first support leg of the torsion spring is connected with the guide pin, and a second support leg of the torsion spring is connected with the protection piece or the connecting support.
4. The embroidery machine presser foot guard structure according to claim 3, characterized in that: the connecting support is provided with a first kidney-shaped groove and a second kidney-shaped groove, the torsion spring fixing pin is connected with the first kidney-shaped groove, and the guide pin is connected with the second kidney-shaped groove.
5. The embroidery machine presser foot guard structure according to claim 3, characterized in that: the protection piece comprises a horizontally arranged bowl-shaped part, and the bowl bottom of the bowl-shaped part is provided with a cloth pressing surface, and the through holes penetrate through the cloth pressing surface from top to bottom.
6. The embroidery machine presser foot guard structure according to claim 5, characterized in that: the bowl-shaped part is connected with an inclined section, the inclined section is connected with a horizontal section, the horizontal section is partially fixed on the bottom surface of the connecting support, and the horizontal section is partially connected with a second support leg of the torsion spring fixing pin.
7. The embroidery machine presser foot guard structure according to any one of claims 1 to 6, wherein: the fixing base is connected with a lifting shaft, and the lifting shaft is connected with a lifter.
8. The embroidery machine presser foot guard structure according to claim 7, wherein: the lifter is a lifting motor or an air cylinder.
9. The embroidery machine presser foot guard structure according to claim 7, wherein: the lifter is a cam linkage mechanism.
10. Embroidery machine, its characterized in that: comprising the embroidery machine presser foot guard structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071953.1U CN210481715U (en) | 2019-07-10 | 2019-07-10 | Embroidery machine presser foot protection structure and embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071953.1U CN210481715U (en) | 2019-07-10 | 2019-07-10 | Embroidery machine presser foot protection structure and embroidery machine |
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| Publication Number | Publication Date |
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| CN210481715U true CN210481715U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921071953.1U Active CN210481715U (en) | 2019-07-10 | 2019-07-10 | Embroidery machine presser foot protection structure and embroidery machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485078A (en) * | 2019-07-10 | 2019-11-22 | 浙江信胜科技股份有限公司 | A kind of device and embroidery machine with auxiliary presser foot and presser feet safeguard function |
-
2019
- 2019-07-10 CN CN201921071953.1U patent/CN210481715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485078A (en) * | 2019-07-10 | 2019-11-22 | 浙江信胜科技股份有限公司 | A kind of device and embroidery machine with auxiliary presser foot and presser feet safeguard function |
| CN110485078B (en) * | 2019-07-10 | 2024-03-12 | 浙江信胜科技股份有限公司 | Device with auxiliary presser foot and presser foot protection function and embroidery machine |
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