CN111041726A - Independent presser foot driving device of multi-head embroidery machine and embroidery machine - Google Patents
Independent presser foot driving device of multi-head embroidery machine and embroidery machine Download PDFInfo
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- CN111041726A CN111041726A CN201911097702.5A CN201911097702A CN111041726A CN 111041726 A CN111041726 A CN 111041726A CN 201911097702 A CN201911097702 A CN 201911097702A CN 111041726 A CN111041726 A CN 111041726A
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- presser foot
- connecting rod
- shaft
- driving
- embroidery machine
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an independent presser foot driving device of a multi-head embroidery machine and the embroidery machine, wherein the independent presser foot driving device comprises an independent presser foot assembly, a presser foot driving connecting rod assembly, a presser foot driving transmission assembly and a main motor, the presser foot driving transmission assembly comprises an auxiliary shaft extending transversely, the presser foot driving connecting rod assembly comprises a presser foot driving shaft extending transversely in front of a cross beam, the main motor drives the auxiliary shaft to rotate, the auxiliary shaft drives the presser foot driving shaft to rotate, and the presser foot driving connecting rod assembly drives the independent presser foot assembly to move up and down. Because the auxiliary shaft used as the presser foot driving shaft and the main shaft used for driving the needle rod to act are independently arranged, the torque of the main shaft is greatly reduced, thereby ensuring the synchronism of the needle rod driving, avoiding excessive broken wires and influencing the production efficiency.
Description
Technical Field
The invention belongs to the technical field of embroidery machinery.
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.
Disclosure of Invention
The invention aims to solve the technical problem of providing an independent presser foot driving device of a multi-head embroidery machine, which avoids larger torque deformation of a main shaft.
In order to solve the technical problems, the invention adopts the following technical scheme: the independent presser foot driving device of the multi-head embroidery machine comprises an independent presser foot assembly, 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 extending transversely, the presser foot driving connecting rod assembly comprises a presser foot driving shaft extending transversely in front of a cross beam, the main motor drives the auxiliary shaft to rotate, the auxiliary shaft drives the presser foot driving shaft to rotate, and the presser foot driving connecting rod assembly drives the independent presser foot assembly to move up and down.
Preferably, the presser foot drive transmission assembly further comprises a drive swing rod fixedly connected with the presser foot drive shaft, and a first connecting rod hinged with the drive swing rod, and the drive swing rod is driven to swing by pushing and pulling of the first connecting rod.
Preferably, the first connecting rod is hinged to a first three-eye connecting rod, the first three-eye connecting rod is connected to a connecting rod mounting shaft, the auxiliary shaft is fixedly connected with an eccentric cam, and the eccentric cam is hinged to the first three-eye connecting rod.
Preferably, the auxiliary shaft 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 height adjusting assembly is used for adjusting the height of the presser foot, and comprises a presser foot adjusting motor which drives the connecting rod mounting shaft to rotate so as to drive the first three-eye connecting rod to rotate.
Preferably, the presser foot height adjusting assembly 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, and the bull gear is in meshing transmission with the pinion and drives the connecting rod mounting shaft to rotate.
Preferably, the presser foot driving connecting rod assembly 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, wherein the presser foot lifting rod moves up and down along the driving shaft seat.
Preferably, the eccentric cam is provided with a lightening hole.
The invention also provides an embroidery machine, which comprises the independent presser foot driving device of the multi-head embroidery machine and a needle rod driving device, wherein the needle rod driving device comprises a main shaft, and the main shaft is driven to rotate by an auxiliary shaft.
Preferably, the auxiliary shaft and the main shaft are in belt transmission.
The technical scheme adopted by the invention has the following beneficial effects:
1. the auxiliary shaft as the pressure foot driving shaft and the main shaft driving the needle rod to act are independently arranged, so that the torque of the main shaft is greatly reduced, the synchronism of needle rod driving can be ensured, excessive broken lines are avoided, and the production efficiency is influenced.
2. Because the auxiliary shaft can independently control the presser foot, the precision of the action of the presser foot is easy to be ensured, and the presser foot height adjusting assembly can be further arranged, when the thickness of the cloth is changed, 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 the embroidery are also improved.
3. 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.
4. 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.
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a first schematic structural view of an independent presser foot driving device of a multi-head embroidery machine of the present invention;
fig. 2 is a second structural schematic diagram of the independent presser foot driving device of the multi-head embroidery machine of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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, as described below, indicate an orientation or positional relationship only based on that shown in the drawings, merely for convenience in describing the 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 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 2, a presser foot driving transmission assembly 1 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 2 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 2 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 drive transmission assembly 1 further comprises a drive swing rod 16 fixedly connected with the presser foot drive shaft 21, and a first connecting rod 15 hinged to the drive swing rod 16, and the drive 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 2 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 working process of the invention in the embroidery state is as follows: 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 embroidery machine includes the independent presser foot driving device of the multi-head embroidery machine and the needle bar driving device in the above embodiment, the needle bar driving device includes the main shaft 6, and the main shaft 6 is driven to rotate by the auxiliary 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.
In the invention, the multi-head embroidery machine is generally an embroidery machine with the head number of more than or equal to 15, and the independent presser foot driving device is also suitable for the embroidery machine with the head number of less than 15.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. 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. Independent presser foot drive arrangement of bull embroidery machine, its characterized in that: the automatic presser foot mechanism comprises an independent presser foot assembly, 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 extending transversely, the presser foot driving connecting rod assembly comprises a presser foot driving shaft extending transversely in front of a cross beam, the main motor drives the auxiliary shaft to rotate, the auxiliary shaft drives the presser foot driving shaft to rotate, and the presser foot driving connecting rod assembly drives the independent presser foot assembly to move up and down.
2. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 1, characterized in that: the presser foot driving transmission assembly further comprises a driving swing rod fixedly connected with the presser foot driving shaft and a first connecting rod hinged with the driving swing rod, and the driving swing rod is driven to swing through the pushing and pulling of the first connecting rod.
3. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 2, characterized in that: the first connecting rod is hinged to the first three-eye connecting rod, the first three-eye connecting rod is connected to the connecting rod mounting shaft, the auxiliary shaft is fixedly connected with an eccentric cam, and the eccentric cam is hinged to the first three-eye connecting rod.
4. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 3, characterized in that: the auxiliary shaft 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.
5. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 3, characterized in that: the presser foot height adjusting assembly comprises a presser foot adjusting motor which drives the connecting rod mounting shaft to rotate so as to drive the first three-hole connecting rod to rotate.
6. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 5, characterized in that: the presser foot height adjusting assembly 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, and the bull gear is in meshing transmission with the pinion and drives the connecting rod mounting shaft to rotate.
7. The independent presser foot driving apparatus of a multi-head embroidery machine according to any one of claims 1 to 6, characterized in that: the presser foot driving connecting rod assembly 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, and the presser foot lifting rod moves up and down along the driving shaft seat.
8. The independent presser foot driving apparatus of a multi-head embroidery machine according to claim 3, characterized in that: the eccentric cam is provided with a lightening hole.
9. Embroidery machine, its characterized in that: comprising the independent presser foot drive device of the multi-head embroidery machine of any one of claims 1 to 8 and a needle bar drive device, the needle bar drive device comprising a main shaft driven to rotate by a secondary shaft.
10. The embroidery machine according to claim 9, characterized in that: the auxiliary shaft and the main shaft are in transmission through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097702.5A CN111041726A (en) | 2019-11-12 | 2019-11-12 | Independent presser foot driving device of multi-head embroidery machine and embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097702.5A CN111041726A (en) | 2019-11-12 | 2019-11-12 | Independent presser foot driving device of multi-head embroidery machine and embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111041726A true CN111041726A (en) | 2020-04-21 |
Family
ID=70232354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097702.5A Pending CN111041726A (en) | 2019-11-12 | 2019-11-12 | Independent presser foot driving device of multi-head embroidery machine and embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111041726A (en) |
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2019
- 2019-11-12 CN CN201911097702.5A patent/CN111041726A/en active Pending
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