CN211713379U - Presser foot height adjusting structure of independent presser foot driving device of embroidery machine and embroidery machine - Google Patents
Presser foot height adjusting structure of independent presser foot driving device of embroidery machine and embroidery machine Download PDFInfo
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- CN211713379U CN211713379U CN201921938473.0U CN201921938473U CN211713379U CN 211713379 U CN211713379 U CN 211713379U CN 201921938473 U CN201921938473 U CN 201921938473U CN 211713379 U CN211713379 U CN 211713379U
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Abstract
The utility model discloses an independent presser foot drive arrangement's of embroidery machine presser foot altitude mixture control structure and embroidery machine, wherein presser foot altitude mixture control structure include at the horizontal presser foot drive shaft that extends in crossbeam the place ahead, with the drive pendulum rod of presser foot drive shaft solid antithetical couplet, with the first connecting rod of drive pendulum rod articulated, first connecting rod is articulated with first three eyes connecting rod, first three eyes connecting rod is connected in connecting rod installation axle, still includes drive connecting rod installation hub rotation to drive first three eyes connecting rod and rotate the presser foot accommodate motor with regulation presser foot height. The utility model discloses a presser foot and presser foot altitude mixture control structure that can independent control, when cloth thickness changes, when needing to adjust the presser foot height, presser foot accommodate motor passes through gear wheel and pinion drive connecting rod installation hub rotation, and then drives first three eyes connecting rod and rotate and adjust the presser foot height, has improved production efficiency, has also improved embroidery exquisite degree and quality.
Description
Technical Field
The utility model belongs to the technical field of the embroidery machinery, concretely relates to independent presser foot device of embroidery machine.
Background
The presser foot drive main shaft and the needle bar drive main shaft of the traditional embroidery machine are both integrated on one main shaft, the torque deformation of the driving shaft is larger under the condition of more heads, the synchronism of the needle bar drive is poor, the broken lines are increased, and the production efficiency is greatly reduced. In addition, the structure of the common main shaft has the defect that the height of the presser foot is not adjustable, and the quality of the embroidery with a thick pattern or a thin pattern is greatly influenced.
Therefore, the independent presser foot driving device driven by the independent auxiliary shaft is adopted, the height of the presser foot can be adjusted, and the quality of embroidery is improved to become a development direction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a presser foot height adjusting structure of an independent presser foot driving device of an embroidery machine is provided, and the adjustment of the presser foot height is realized.
In order to solve the technical problem, the utility model adopts the following technical scheme: the presser foot height adjusting structure of the independent presser foot driving device of the embroidery machine comprises a presser foot driving shaft transversely extending in front of a cross beam, a driving swing rod fixedly connected with the presser foot driving shaft, and a first connecting rod hinged with the driving swing rod, wherein the first connecting rod is hinged with a first three-hole connecting rod, the first three-hole connecting rod is connected to a connecting rod mounting shaft, and the presser foot height adjusting structure further comprises a presser foot adjusting motor for driving the first three-hole connecting rod to rotate so as to adjust the height of the presser foot.
Preferably, the first three-hole connecting rod is located on the rear side of the cross beam, a first through hole is formed in the cross beam, and the first connecting rod penetrates through the first through hole.
Preferably, the presser foot adjusting mechanism further comprises a pinion connected with the output shaft of the presser foot adjusting motor and a bull gear connected with the connecting rod mounting shaft, wherein the bull gear is in meshing transmission with the pinion and drives the connecting rod mounting shaft to rotate.
Preferably, a gear mounting seat is mounted on the cross beam, the connecting rod mounting shaft is rotatably supported on the gear mounting seat, and the large gear and the small gear are located in the gear mounting seat.
Preferably, the middle part of the first three-hole connecting rod is circular, and the center hole matched with the connecting rod mounting shaft deviates from the circle center of the circular middle part.
Preferably, the presser foot lifting mechanism further comprises a driving connecting rod fixedly connected with the presser foot driving shaft, a second three-eye connecting rod hinged with the driving connecting rod, a second connecting rod hinged with the second three-eye connecting rod, a presser foot driving block hinged with the second connecting rod, and a presser foot lifting rod fixedly connected with the presser foot driving block.
Preferably, the presser foot lifting rod moves up and down along a driving shaft seat, and the driving shaft seat is provided with a guide hole for guiding the presser foot lifting rod to move up and down.
Preferably, the drive shaft seat is provided with an upper limit part and a lower limit part, the presser foot drive block is positioned between the upper limit part and the lower limit part, and the upper limit part and the lower limit part are correspondingly provided with guide holes.
The utility model also provides an embroidery machine, including foretell presser foot altitude mixture control structure.
The utility model discloses a technical scheme, following beneficial effect has:
the presser foot that adopts can independent control to further set up presser foot altitude mixture control structure, when cloth thickness changes, when the presser foot height of needs adjusting, presser foot accommodate motor passes through gear wheel and pinion drive and drives connecting rod installation axle rotation, and then drives first three eyes connecting rod and rotate and adjust the presser foot height, has improved production efficiency, has also improved embroidery exquisite degree and quality.
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 first schematic structural view of the independent presser foot driving device of the multi-head embroidery machine of the present invention;
fig. 2 is a second schematic structural diagram of the independent presser foot driving device of the multi-head embroidery machine of the present invention.
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 will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Such terms as "lateral," "front," "rear," and the like, indicating an orientation or positional relationship are based only on the orientation or positional relationship shown in the drawings and are used only for convenience in describing the present invention and for simplicity in 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Example one
Referring to fig. 1 and 2, the independent presser foot driving device of the multi-head embroidery machine comprises an independent presser foot assembly 100, a presser foot driving connecting rod assembly, a presser foot driving transmission assembly and a main motor, wherein the presser foot driving transmission assembly comprises an auxiliary shaft 11 extending transversely, the presser foot driving connecting rod assembly comprises a presser foot driving shaft 21 extending transversely in front of a cross beam, the main motor drives the auxiliary shaft 11 to rotate, the auxiliary shaft 11 drives the presser foot driving shaft 21 to rotate, and the presser foot driving connecting rod assembly drives the independent presser foot assembly 100 to move up and down.
The auxiliary shaft 11 as the presser foot driving shaft and the main shaft 6 driving the needle rod to act are independently arranged, so that the torque of the main shaft 6 is greatly reduced, the synchronism of needle rod driving can be ensured, excessive broken lines are avoided, and the production efficiency is influenced. Since the auxiliary shaft 11 can independently control the presser foot, the precision of the action of the presser foot can be easily ensured by precisely controlling the auxiliary shaft.
Specifically, the presser foot driving transmission assembly further comprises a driving swing rod 16 fixedly connected with the presser foot driving shaft 21 and a first connecting rod 15 hinged with the driving swing rod 16, and the driving swing rod 16 is driven to swing by pushing and pulling of the first connecting rod 15. The first connecting rod 15 comprises a middle sleeve in the middle and connecting heads at two ends, the connecting heads are inserted into the end parts of inner holes of the middle sleeve and fastened by screws, and the connecting heads are connected with the driving swing rod 16/the first three-hole connecting rod 13 through pin shafts.
Further, the first link 15 is hinged to a first three-eye link 13, the first three-eye link 13 is connected to a link mounting shaft 14, the auxiliary shaft 11 is fixedly connected to an eccentric cam 12, and the eccentric cam 12 is hinged to the first three-eye link 13. The auxiliary shaft 11 drives the eccentric cam 12 to rotate, further drives the first three-hole connecting rod 13 to rotate around the connecting rod mounting shaft 14, the first three-hole connecting rod 13 pushes and pulls the first connecting rod 15, and finally the driving swing rod 16 drives the presser foot driving shaft 21 to rotate.
It can be understood by those skilled in the art that other transmission structures may be adopted between the auxiliary shaft 11 and the presser foot driving shaft 21, and the presser foot driving shaft 21 may be driven to rotate.
In addition, in order to reduce the weight of the eccentric cam and avoid excessive rotational inertia, the eccentric cam 12 is provided with a lightening hole.
Preferably, the auxiliary shaft 11 is located at the rear side of the cross beam 4, the cross beam 4 is provided with a first through hole 41, and the first link 15 passes through the first through hole 41. Because the machine head and the main shaft are arranged on the front side of the cross beam, and the installation space is smaller, the auxiliary shaft is arranged on the rear side of the cross beam, so that the arrangement of the presser foot driving transmission assembly and the arrangement of the presser foot height adjusting assembly are facilitated.
In order to realize the purpose of adjusting the height of the presser foot, the presser foot is suitable for cloth with different thicknesses, and the quality of embroidery is improved. The presser foot height adjusting assembly 3 is further arranged, and can drive the first three-hole connecting rod 13 to rotate through controlling the connecting rod mounting shaft 14, so that the presser foot height can be adjusted. Specifically, the presser foot height adjusting assembly 3 comprises a presser foot adjusting motor 33 for driving the connecting rod mounting shaft 14 to rotate, a pinion 32 connected with an output shaft of the presser foot adjusting motor, and a bull gear 31 connected with the connecting rod mounting shaft 14, wherein the bull gear 31 is in meshing transmission with the pinion 32. The cross beam is provided with a gear mounting seat 34, the connecting rod mounting shaft 14 is rotatably supported on the gear mounting seat 34, and the large gear 31 and the small gear 32 are positioned in the gear mounting seat 34. And the middle part of the first three-eye connecting rod 13 is circular, the center eyelet matched with the connecting rod mounting shaft 14 deviates from the center of the circular middle part, and the connecting rod mounting shaft 14 can drive the first three-eye connecting rod 13 to rotate by a certain angle.
Under normal embroidery state, in the presser foot driving process, the first three-hole connecting rod 13 rotates around the connecting rod mounting shaft 14, when embroidery cloth is changed, the thickness is changed, and the height of the presser foot needs to be adjusted, embroidery is suspended, presser foot height adjustment is carried out, the presser foot adjusting motor 33 drives the connecting rod mounting shaft 14 to rotate through the meshing transmission of the large gear 31 and the small gear 32, the position of the first three-hole connecting rod 13 is changed through rotation, the stroke and the height of the presser foot are also changed, and the specific rotating angle is set according to the height of the presser foot which needs to be adjusted. When the cloth thickness changes, the presser foot height is adjusted through the presser foot height adjusting assembly, the production efficiency is improved, and the exquisite degree and the quality of embroidery are also improved.
Referring to the prior art, the presser foot driving link assembly further includes a driving link 22 fixedly coupled to the presser foot driving shaft 21, a second three-eye link 23 hinged to the driving link 22, a second link 24 hinged to the second three-eye link 23, a presser foot driving block 25 hinged to the second link 24, and a presser foot lifting rod 26 fixedly coupled to the presser foot driving block 25, wherein the presser foot lifting rod 26 moves up and down along the driving shaft seat 51. The drive shaft seat 51 is positioned on the machine head shell, a guide hole for guiding the presser foot lifting rod 26 to move up and down is arranged on the drive shaft seat 51, the drive shaft seat 51 is provided with an upper limit part and a lower limit part, the presser foot driving block 25 is positioned between the upper limit part and the lower limit part, and the upper limit part and the lower limit part are correspondingly provided with the guide hole.
The utility model discloses working process does under the embroidery state: the auxiliary shaft 11 drives the eccentric cam 12 to rotate through the driving of the main motor, the eccentric cam 12 rotates to drive the first three-hole connecting rod 13 to swing, the first three-hole connecting rod 13 swings to drive the first connecting rod 15 and the driving swing rod 16 to swing, the driving swing rod 16 swings to drive the presser foot driving shaft 21 to rotate, the presser foot driving shaft 21 rotates to drive the driving connecting rod 22, the second three-hole connecting rod 23 and the second connecting rod 24 to be linked in sequence, the second connecting rod 24 drives the presser foot driving block 25 and the presser foot lifting rod 26 to move up and down on the driving shaft seat 51, and the presser foot lifting rod 26 drives the vertical presser foot assembly 100 to move up and down.
Example two
Referring to fig. 1 and 2, the multi-head embroidery machine includes the independent presser foot driving device of the multi-head embroidery machine in the above embodiment and a needle bar driving device including a main shaft 6, and the main shaft 6 is driven to rotate by a sub shaft 11.
The main shaft drives the needle rod to act, and the main shaft is driven by the auxiliary shaft to rotate, so that the presser foot drive and the needle rod drive are both driven by the same main motor, the motor is prevented from being added independently, and the presser foot and the needle rod are linked together, so that the coordination and the accuracy of the action can be ensured.
Wherein, the auxiliary shaft 11 and the main shaft 6 are in belt transmission. The cross beam is provided with a second through hole 42 through which the belt passes. And auxiliary shaft mounting seats 111 are arranged on the left side and the right side of the second through hole on the rear side of the cross beam, bearings are arranged on the auxiliary shaft mounting seats 111 to support the auxiliary shafts, and belt wheels on the auxiliary shafts are positioned between the two auxiliary shaft mounting seats.
The utility model discloses in, the multihead embroidery machine usually is the embroidery machine of head number more than or equal to 15, of course, the utility model discloses an independent presser foot drive arrangement is applicable to the embroidery machine that head number is less than 15 equally.
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 (9)
1. Independent presser foot drive arrangement's of embroidery machine presser foot altitude mixture control structure, its characterized in that: the presser foot adjusting mechanism comprises a presser foot driving shaft transversely extending in front of a cross beam, a driving swing rod fixedly connected with the presser foot driving shaft, a first connecting rod hinged with the driving swing rod, a first three-eye connecting rod hinged with the first connecting rod, and a presser foot adjusting motor for driving the first three-eye connecting rod to rotate so as to adjust the height of the presser foot, wherein the first three-eye connecting rod is connected to a connecting rod mounting shaft.
2. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 1, characterized in that: the first three-hole connecting rod is located on the rear side of the cross beam, a first through hole is formed in the cross beam, and the first connecting rod penetrates through the first through hole.
3. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 1, characterized in that: the presser foot adjusting mechanism is characterized by further comprising a small gear connected with the output shaft of the presser foot adjusting motor and a large gear connected with the connecting rod mounting shaft, wherein the large gear and the small gear are in meshing transmission and drive the connecting rod mounting shaft to rotate.
4. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 3, characterized in that: the crossbeam is provided with a gear mounting seat, the connecting rod mounting shaft is rotatably supported on the gear mounting seat, and the gearwheel and the pinion are positioned in the gear mounting seat.
5. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 1, characterized in that: the middle part of the first three-hole connecting rod is circular, and a central hole matched with the connecting rod mounting shaft deviates from the circle center of the circular middle part.
6. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to any one of claims 1 to 5, characterized in that: the presser foot lifting mechanism further comprises a driving connecting rod fixedly connected with the presser foot driving shaft, a second three-eye connecting rod hinged with the driving connecting rod, a second connecting rod hinged with the second three-eye connecting rod, a presser foot driving block hinged with the second connecting rod and a presser foot lifting rod fixedly connected with the presser foot driving block.
7. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 6, characterized in that: the presser foot lifting rod moves up and down along the driving shaft seat, and the driving shaft seat is provided with a guide hole for guiding the presser foot lifting rod to move up and down.
8. The presser foot height adjusting structure of the independent presser foot driving apparatus of the embroidery machine according to claim 7, characterized in that: the drive shaft seat is provided with an upper limit part and a lower limit part, the presser foot drive block is positioned between the upper limit part and the lower limit part, and the upper limit part and the lower limit part are correspondingly provided with guide holes.
9. Embroidery machine, its characterized in that: including the presser foot height adjustment arrangement of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938473.0U CN211713379U (en) | 2019-11-12 | 2019-11-12 | Presser foot height adjusting structure of independent presser foot driving device of embroidery machine and embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938473.0U CN211713379U (en) | 2019-11-12 | 2019-11-12 | Presser foot height adjusting structure of independent presser foot driving device of embroidery machine and embroidery machine |
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| Publication Number | Publication Date |
|---|---|
| CN211713379U true CN211713379U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921938473.0U Active CN211713379U (en) | 2019-11-12 | 2019-11-12 | Presser foot height adjusting structure of independent presser foot driving device of embroidery machine and embroidery machine |
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| Country | Link |
|---|---|
| CN (1) | CN211713379U (en) |
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- 2019-11-12 CN CN201921938473.0U patent/CN211713379U/en active Active
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