CN220034891U - Single-head embroidery machine and driver guide structure thereof - Google Patents
Single-head embroidery machine and driver guide structure thereof Download PDFInfo
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- CN220034891U CN220034891U CN202321400998.5U CN202321400998U CN220034891U CN 220034891 U CN220034891 U CN 220034891U CN 202321400998 U CN202321400998 U CN 202321400998U CN 220034891 U CN220034891 U CN 220034891U
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- driver
- guide
- embroidery machine
- needle bar
- presser foot
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- 239000013585 weight reducing agent Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a single-head embroidery machine and a driver guiding structure thereof, wherein a driver driving shaft and a driver guiding shaft which vertically extend are arranged on a machine head of the single-head embroidery machine side by side, a needle bar driver and a presser foot driver are arranged on the driver driving shaft, guide sleeves are arranged on the needle bar driver and the presser foot driver, and the guide sleeves are in guiding fit with the driver guiding shaft. According to the technical scheme, the needle bar driver and the presser foot driver are guided by the driver guide shaft, so that the movement precision of the needle bar driver and the presser foot driver is improved, and the movement precision of the needle bar and the presser foot can be improved, so that the quality of embroidery is improved.
Description
[ field of technology ]
The utility model belongs to the technical field of embroidery equipment, and particularly relates to a driving guide structure of an embroidery machine.
[ background Art ]
The conventional single-head embroidery machine drives a needle bar to move through a needle bar driver, and drives a presser foot to move through a presser foot driver, wherein the needle bar driver and the presser foot driver move up and down along a driving shaft of the driver. A presser foot guide structure is also typically provided, by which the presser foot driver is guided to move up and down while being restrained from rotating on the driver drive shaft. However, the needle bar drive is guided only by the drive shaft and generally no additional guide structure is provided. Along with the continuous running friction of the needle bar driver, the normal gap between the needle bar driver and the driving shaft of the driver can be continuously enlarged, so that the movement of the needle bar is unstable, and the quality of embroidery is affected.
[ utility model ]
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide a single-head embroidery machine driver guiding structure, and simultaneously, the needle bar and the presser foot are ensured to move stably.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a single-end embroidery machine driver guide structure, is equipped with driver driving shaft and the driver guiding axle of vertical extension side by side on the single-end embroidery machine aircraft nose, install needle bar driver and presser foot driver on the driver driving shaft, needle bar driver and presser foot driver all are equipped with the uide bushing, uide bushing and driver guiding axle guide cooperation.
Preferably, the guide sleeve is provided with an arc guide part matched with the outer circular surface of the guide shaft of the driver, and one side of the guide sleeve, which is far away from the arc top of the arc guide part, is provided with an opening.
Preferably, the width of the opening is smaller than the diameter of the driver guide shaft.
Preferably, a positioning groove is formed in the outer side wall of the guide sleeve, the needle bar driver and the presser foot driver are both provided with mounting concave parts, and the mounting concave parts are matched with the positioning groove.
Preferably, glue is arranged between the mounting concave part and the positioning groove.
Preferably, the installation concave part is a U-shaped groove, and the guide sleeve is U-shaped in appearance.
Preferably, the guide sleeve is made of plastic and the driver guide shaft is made of metal.
Preferably, the drive driving shaft and the drive guiding shaft are hollow shafts.
The utility model also provides a single-head embroidery machine, which is provided with the single-head embroidery machine driver guide structure.
The technical scheme of the utility model has the following beneficial effects:
in order to ensure the motion precision of the rod driver and the presser foot driver, the needle rod driver and the presser foot driver are respectively provided with a guide sleeve which is in guide fit with a guide shaft of the driver. Because the needle bar driver and the presser foot driver are guided by the driver guide shaft, the movement precision of the needle bar driver and the presser foot driver is improved, and the movement precision of the needle bar and the presser foot can be improved, thereby improving the quality of embroidery.
These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of an exploded structure of a head of a single-head embroidery machine;
FIG. 2 is an exploded schematic view of a balance driving structure of the single-head embroidery machine;
FIG. 3 is a partial schematic view of a balance driving structure of a single-head embroidery machine;
FIG. 4 is a schematic view of the mating structure of the needle bar driver and the driver guide shaft;
reference numerals: the needle bar frame comprises a machine head shell 100, a needle bar frame sliding rail 200, a balance driving structure 1, a large connecting rod assembly 11, an eccentric cam 111, a large connecting rod 112, a second lightening hole 113, an eccentric wheel 12, a first lightening hole 121, a main shaft bearing 13, a balance body connecting rod 14, a fixed pin 141, a balance body pin 142, a balance weight body 143, a presser foot driving connecting rod assembly 15, a first small connecting rod 151, a three-eye connecting rod 152, a second small connecting rod 153, a needle bar driving connecting rod 16, a driver guiding structure 2, a driver driving shaft 21, a needle bar driver 22, a presser foot driver 23, a guiding sleeve 24, an arc guiding part 241, an opening 242, a positioning groove 243 and a driver guiding shaft 25.
[ detailed description ] of the utility model
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
Those skilled in the art will appreciate that the features of the examples and embodiments described below can be combined with one another without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating an azimuth or a positional relationship are merely based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, fixedly attached, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 4, the head of the single-head embroidery machine includes a head housing 100 and a needle bar frame, a needle bar frame sliding rail 200 is provided between the needle bar frame and the head housing, wherein a needle bar and a presser foot are provided on the needle bar frame, and a driver guide structure 2 and a balance driving structure 1 are provided on the head housing.
The driver guide structure 2 comprises a driver driving shaft 21 and a driver guide shaft 25 which are arranged side by side and vertically extend, and a needle bar driver 22 and a presser foot driver 23 are arranged on the driver driving shaft 21.
In the prior art, the needle bar driver 22 and the presser foot driver 23 move up and down along the driver driving shaft 21, and a presser foot guiding structure is usually arranged correspondingly to drive the needle bar and the presser foot, and the presser foot driver is guided to move up and down through the presser foot guiding structure, and meanwhile the presser foot driver is limited to rotate on the driver driving shaft. However, the needle bar drive is guided only by the drive shaft and generally no additional guide structure is provided. Along with the continuous running friction of the needle bar driver, the normal gap between the needle bar driver and the driving shaft of the driver can be continuously enlarged, so that the movement of the needle bar is unstable, and the quality of embroidery is affected.
In order to ensure the movement accuracy of the lever driver 22 and the presser foot driver 23, the needle lever driver 22 and the presser foot driver 23 are provided with guide sleeves 24, and the guide sleeves 24 are in guide fit with a driver guide shaft 25. Since the needle bar driver 22 and the presser foot driver 23 are guided by the driver guide shaft 25, the movement accuracy of the needle bar driver 22 and the presser foot driver 23 is improved, and the accuracy of the needle bar and the presser foot can be improved, thereby improving the quality of embroidery.
Wherein, the guide sleeve 24 is provided with an arc guide part 241 matched with the outer circular surface of the guide shaft of the driver, and one side far away from the arc top of the arc guide part is provided with an opening 242. The center of the circular arc guide portion 241 is concentric with the center of the driver guide shaft, and thus, the guide accuracy can be ensured. When the needle bar driver is installed, the driver driving shaft 21 is installed on the machine head shell, the needle bar driver 22 and the presser foot driver 23 are installed on the driver driving shaft 21, the driver guide shaft 25 is installed, and the driver guide shaft 25 penetrates through the guide sleeve 24 installed on the needle bar driver 22 and the presser foot driver 23.
For ease of installation and positioning, the width of the opening is smaller than the diameter of the driver guide shaft. The opening and the circular arc guide portion 241 are provided with a movable gap.
In order to facilitate the installation of the guide sleeve and ensure the installation accuracy of the guide sleeve, the outer side wall of the guide sleeve is provided with a positioning groove 243, and the needle bar driver 22 and the presser foot driver 23 are respectively provided with an installation concave part which is matched with the positioning groove 243.
It is understood that glue is arranged between the mounting concave part and the positioning groove. The installation concave part is the U-shaped groove, the appearance of uide bushing is the U-shaped, and both form the cooperation structure.
Typically, the driver guide shaft is made of metal, such as an aluminum alloy, and the guide sleeve is made of plastic. The two materials are matched, and compared with sliding fit between metals, the friction coefficient can be reduced, so that the guiding is smoother, the abrasion is reduced, and the service life is prolonged.
It will be appreciated that the drive shaft 21 and the drive guide shaft 25 are hollow shafts. On the premise of meeting the use requirement, the novel plastic cement has the advantages of light weight, material saving, cost reduction, difficult deformation and long service life.
The traditional single-head embroidery machine drives the presser foot to move through the presser foot driving cam connecting rod mechanism, and drives the needle bar to move through the needle bar driving cam connecting rod mechanism, because the working inertia of the cam connecting rod mechanism is large, the vibration is increased, and when the frequency of acting force is close to or equal to the natural frequency of the machine head, resonance can occur, so that the processing precision is influenced, the embroidery precision of the single-head embroidery machine is influenced, and the generated noise is large. In view of the above problems, the balance drive structure 1 is designed.
As shown in fig. 2 and 3, the balance drive structure 1 includes a head spindle rotatably supported on a head housing, specifically by a spindle bearing 13. The machine head spindle is provided with a large connecting rod assembly 11 and an eccentric wheel 12, a presser foot driving connecting rod assembly 15 is connected between the large connecting rod assembly 11 and a presser foot driver 23, a needle bar driving connecting rod 16 is connected between the eccentric wheel 12 and a needle bar driver 22, the large connecting rod assembly 15 comprises an eccentric cam 111 and a large connecting rod 112, the large connecting rod and the presser foot driving connecting rod assembly are hinged through a balance body pin shaft 142, the balance body pin shaft 142 is arranged in the middle of the balance body connecting rod 14, one end of the balance body connecting rod is hinged with a machine head shell through a fixed pin shaft 141, and the other end of the balance body connecting rod is provided with a balance weight 143.
On one hand, different deflection directions can be set between the eccentric cam and the deflection wheel relative to the main shaft of the machine head, so that part of inertia force can be counteracted in the rotation process; in another aspect, the balancing weight balance through the weight pin counteracts a portion of the inertial force.
And, the weight of the balance weight body can be determined through experiments, so that mutual inertia can be basically counteracted, and balance is realized.
Therefore, vibration can be reduced, resonance is substantially eliminated, the embroidery accuracy of the single-head embroidery machine is advantageously improved, and noise is reduced.
Referring to the prior art, the presser foot driving link assembly 15 includes a first small link 151, a three-eye link 152, and a second small link 153, one end of the first small link 151 is pin-connected with the balance body, the first end of the other three-eye link is connected, one end of the second small link 153 is connected with the second end of the three-eye link, and the other end is connected with the presser foot driver. The middle part of the three-eye connecting rod is connected with the machine head shell through a middle pin shaft.
In order to reduce the inertial force, the eccentric directions of the eccentric wheel 12 and the eccentric cam 111 are set in opposite directions in the radial direction of the head spindle. Because the eccentric wheel and the eccentric cam synchronously rotate, the inertial force directions are opposite in the rotation process of the eccentric wheel and the eccentric cam.
In addition, in order to reduce the self inertia, the eccentric is provided with at least one first lightening hole 121. The center of gravity of the total weight reduction amount of the at least one first weight reduction hole and the main shaft penetrating hole on the eccentric wheel are arranged in the opposite direction in the radial direction of the main shaft of the machine head. As shown in fig. 3, the first lightening hole 121 may have a circular shape, an approximately rectangular shape, etc., and the opening position and size may be determined according to experiments.
Similarly, the eccentric cam is provided with at least one second lightening hole 113. The center of gravity of the total weight reduction amount of the at least one second weight reduction hole and the main shaft penetrating hole on the eccentric cam are arranged in the opposite direction in the radial direction of the main shaft of the machine head. As shown in fig. 3, the second lightening hole 113 may have a circular shape, an approximate sector shape, etc., and the opening position and size may be determined according to experiments.
It will be appreciated that the above-described driver guide structure 2 and balance driving structure 1, or any other structure and combination thereof, may be partially or entirely applied to a single-head embroidery machine.
While the utility model has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but includes, but is not limited to, the drawings and the description of the specific embodiments. Any modifications which do not depart from the functional and structural principles of the utility model are intended to be included within the scope of the appended claims.
Claims (9)
1. The utility model provides a single-end embroidery machine driver guide structure, is equipped with driver driving shaft and the driver guiding axle of vertical extension side by side on the single-end embroidery machine aircraft nose, install needle bar driver and presser foot driver on the driver driving shaft, its characterized in that, needle bar driver and presser foot driver all are equipped with the uide bushing, uide bushing and driver guiding axle guide cooperation.
2. The guide structure of a single-end embroidery machine driver according to claim 1, wherein the guide sleeve is provided with an arc guide portion matched with the outer circular surface of the guide shaft of the driver, and an opening is arranged at one side far away from the arc top of the arc guide portion.
3. The drive guide structure of a single-end embroidery machine according to claim 2, wherein the width of the opening is smaller than the diameter of the drive guide shaft.
4. The guide structure of a single-end embroidery machine driver according to claim 1, wherein the outer side wall of the guide sleeve is provided with a positioning groove, and the needle bar driver and the presser foot driver are provided with mounting recesses, which are matched with the positioning groove.
5. The guide structure of a single-end embroidery machine driver according to claim 4, wherein glue is provided between the mounting recess and the positioning groove.
6. The guide structure of a single-end embroidery machine driver according to claim 4, wherein the mounting recess is a U-shaped groove, and the guide sleeve has a U-shaped outer shape.
7. The single-headed embroidery machine driver guide structure of claim 1, wherein the guide sleeve is made of plastic and the driver guide shaft is made of metal.
8. The drive guide structure of a single-end embroidery machine according to claim 1, wherein the drive shaft and the drive guide shaft are hollow shafts.
9. A single-head embroidery machine characterized in that a single-head embroidery machine driver guide structure as claimed in any one of claims 1 to 8 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321400998.5U CN220034891U (en) | 2023-06-02 | 2023-06-02 | Single-head embroidery machine and driver guide structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321400998.5U CN220034891U (en) | 2023-06-02 | 2023-06-02 | Single-head embroidery machine and driver guide structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220034891U true CN220034891U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321400998.5U Active CN220034891U (en) | 2023-06-02 | 2023-06-02 | Single-head embroidery machine and driver guide structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220034891U (en) |
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2023
- 2023-06-02 CN CN202321400998.5U patent/CN220034891U/en active Active
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