CN210596567U - Double-needle-driven small-head-distance embroidery machine head and embroidery machine - Google Patents
Double-needle-driven small-head-distance embroidery machine head and embroidery machine Download PDFInfo
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- CN210596567U CN210596567U CN201921242626.8U CN201921242626U CN210596567U CN 210596567 U CN210596567 U CN 210596567U CN 201921242626 U CN201921242626 U CN 201921242626U CN 210596567 U CN210596567 U CN 210596567U
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Abstract
The utility model discloses a duplex drive small-head-distance embroidery machine head and embroidery machine, through setting up the thread hooking device to promote embroidery quality, and save aircraft nose side space, wherein the embroidery machine head includes aircraft nose casing and needle bar frame, needle bar frame connects the facial line centre gripping subassembly, the facial line centre gripping subassembly includes facial line grip slipper, facial line centre gripping locating part, facial line centre gripping thimble, facial line centre gripping spring; the back side of the machine head shell is provided with a thread hooking device and an upper thread clamping and loosening assembly, and the thread hooking device comprises a thread hooking base, a thread hooking knife transmission assembly, a thread hooking pull rod and a limiting piece.
Description
Technical Field
The utility model relates to an embroidery technical field, concretely relates to embroidery machine.
Background
The thread hooking device is used for matching with thread cutting, in the thread cutting process, the thread hooking hook hooks the upper thread, so that thread dividing and thread cutting in the thread cutting are more accurate, the length of the upper thread after thread cutting can be controlled, the length of the upper thread influences whether back embroidery can normally work or not, and thread falling can occur when the upper thread is too short.
Collude the line ware and install in the aircraft nose rear side, single needle drive embroidery machine aircraft nose on the existing market sets up colludes the line ware comparatively commonly, but to the small head apart from (the head apart from being less than 82.5mm, more littleer can reach 55mm) two needle drive embroidery machine aircraft nose do not generally set up colludes the line device, because set up two colludes the line ware side by side and can occupy great width space, and the width of aircraft nose itself is not big, the installation space of the device of allowwing colluding is limited, but corresponding also the promotion of embroidery quality has been influenced to a certain extent.
The facial line clamping device who sets up on the duplex drive embroidery machine aircraft nose on the existing market looses subassembly drive facial line clamping component through facial line centre gripping and realizes loosing the facial line, sets up two electro-magnets and is located the left and right sides of aircraft nose respectively usually. However, for the double-needle driving small-head-distance embroidery machine head, the space of the side surface of the machine head is limited, and the normal installation of the upper thread clamping and releasing assembly is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a duplex drive short-head distance embroidery machine aircraft nose is provided colludes the traditional thread binding putting through the setting and promotes embroidery quality to guarantee that the facial suture centre gripping relaxs the normal installation of subassembly.
In order to solve the technical problem, the utility model adopts the following technical scheme: the double-needle-drive small-head-distance embroidery machine head comprises a machine head shell and a needle rod frame arranged on the front side of the machine head shell, wherein the needle rod frame is connected with a facial line clamping assembly, the facial line clamping assembly comprises a facial line clamping seat, a facial line clamping limiting part, a facial line clamping thimble and a facial line clamping spring, the facial line clamping seat is fixedly arranged on the front side of a lower cross beam of the needle rod frame, the facial line clamping limiting part and the facial line clamping thimble correspond to the number of needle rods, the facial line clamping thimble movably penetrates through the facial line clamping seat and is connected with the facial line clamping limiting part, the facial line clamping spring is connected with the facial line clamping thimble, and the facial line clamping thimble is pulled backwards to enable the facial line clamping; the method is characterized in that: the back side of the machine head shell is provided with a thread hooking device and an upper thread clamping and loosening assembly, the thread hooking device comprises a thread hooking seat, two hook knives, a hook knife transmission assembly, a thread hooking pull rod and a limiting piece, the thread hooking seat is provided with two hook knife slide rails and two pin shafts side by side, the two hook knives correspond to the two hook knife slide rails in sliding fit, the two hook knife transmission assemblies correspond to drive the two hook knives to slide along the hook knife slide rails, the hook knife transmission assembly comprises a shifting fork, a rocker arm, a torsional spring and a transmission arm, the shifting fork is connected with the hook knives, the rocker arm, the shifting fork and the torsional spring are rotationally connected with the pin shafts, two torsion arms at two ends of the torsional spring are respectively connected with the shifting fork and the rocker arm, the transmission arm is connected with the rocker arm, the thread hooking pull rod is connected with the transmission arms of the two hook knife transmission assemblies, and the thread hooking pull, the spacing piece is used for limiting the shifting fork to rotate so as to lock the corresponding hook cutter, the upper thread clamping loosening assembly comprises an installation base, two electromagnets which are installed on the installation base side by side and two driving blocks, two ejector rods and two ejector rod springs which are arranged correspondingly, the electromagnets stretch out and sequentially pass through the driving blocks and the ejector rods, the forward movement of the driving blocks and the ejector rods pushes up the upper thread clamping ejector pins, so that the upper thread clamping limiting part moves forward and loosens the upper thread, and the ejector rod springs are used for realizing the reset of the ejector rods.
Optionally, the shifting fork is provided with a shifting fork seat which is matched with the pin shaft in a rotating mode, the shifting fork seat is arranged close to the wire hooking seat, one side of the shifting fork seat close to the wire hooking seat is provided with a limiting groove, and the limiting piece is provided with a limiting head which can be inserted into the limiting groove.
Optionally, one end of the limiting piece is rotatably connected to the handpiece shell.
Optionally, the limiting head is arranged in the middle of the limiting sheet, and a handle is arranged at the other end of the limiting sheet.
Optionally, the rear portion of the handpiece shell is provided with an installation surface inclined towards the lower side of the front side, and the thread hooking seat is installed on the installation surface.
Optionally, the transmission arm includes a column portion perpendicular to the rocker arm and an extension portion extending upward from a distal end of the column portion, and the extension portion is connected to the hook pull rod.
Optionally, the driving block is provided with a guide sliding portion, and the mounting base is provided with a guide groove for guiding the guide sliding portion to move linearly.
Optionally, a limiting front panel is fixedly mounted on the front side of the handpiece shell, the ejector rod movably penetrates through the limiting front panel, the front end of the ejector rod is connected with a limiting block, the ejector rod spring is sleeved on the ejector rod in an externally sleeved mode, the front end of the ejector rod spring is abutted to the limiting front panel, and a check ring abutted to the rear end of the ejector rod spring is arranged on the ejector rod.
Optionally, the mounting base is further provided with a connecting plate, the connecting plate is provided with an inclined section, and the inclined section is connected with the wire hooking seat.
The utility model also provides an embroidery machine, include the little head-distance embroidery machine aircraft nose of duplex drive.
The utility model adopts the above technical scheme, following beneficial effect has:
1. the quality of embroidery is improved by arranging the double-needle thread hooking device, and the two hooking knives are arranged on the same side of the hooking knife on the same thread hooking seat and the hooking knife transmission assembly side by side so as to realize the compact installation of the double-needle thread hooking device and save the installation space.
2. For a double-needle driven small-head-distance embroidery machine head, the situation that only a single needle needs to operate exists, such as alternate-head embroidery. Therefore, one of the hook knives does not need to work when the single needle works. Therefore, a limiting piece is arranged for limiting the shifting fork to rotate, so that the corresponding hook knife is locked.
3. The limiting piece is rotatably connected to the machine head shell and provided with a handle, the handle is pressed down, the limiting piece rotates, the limiting head is inserted into the limiting groove, although the corresponding rocker arm still can swing, the shifting fork can not swing at that time, and therefore the hooking knife can not be driven to move, and the hooking knife is locked without hooking a line.
4. The space of the bottom and the back of the machine head can be saved by the inclined installation of the thread hooking device and the combined assembly of the thread hooking device and the installation base in the upper thread clamp holder.
5. The facial line centre gripping loosens the unit mount in the aircraft nose rear side, and the installation base is fixed in the aircraft nose casing, guarantees the facial line centre gripping and looses the normal installation of subassembly, does not occupy aircraft nose side space moreover, can practice thrift aircraft nose side space, does benefit to and reduces the aircraft nose interval.
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 an exploded view of a head of a double needle driven small-pitch embroidery machine;
FIG. 2 is a schematic structural view of a thread hooking device of a double-needle driven small-head-distance embroidery machine head;
FIG. 3 is a schematic structural view of an upper thread clamping and releasing assembly of a double needle driven small-head-distance embroidery machine head;
FIG. 4 is a schematic structural view of an upper thread clamping and releasing assembly of a double needle driven small-head-distance embroidery machine head;
FIG. 5 is a schematic structural view of an upper thread gripping assembly of a double needle driven small head distance embroidery machine head;
FIG. 6 is a schematic view showing the installation of the thread hooking device and the upper thread holding and releasing assembly of the double needle driven small-pitch embroidery machine head.
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," "rear," "left," "right," 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.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example one
As shown in fig. 1 to 6, the double needle driving small-pitch embroidery machine head includes a head housing assembly 3 and a needle bar holder assembly 4, the head housing assembly 3 includes a head housing 31, and the needle bar holder assembly 4 includes a needle bar holder 41.
Wherein, needle bar frame 41 connects the facial line centre gripping subassembly, the facial line centre gripping is installed to the rear side of aircraft nose casing 31 and is loosened the subassembly, and the facial line centre gripping subassembly looses the subassembly with the facial line centre gripping and constitutes facial line holder 2.
Specifically, refer to fig. 5, facial line centre gripping subassembly includes facial line grip slipper 24, facial line centre gripping locating part 25, facial line centre gripping thimble 26, facial line centre gripping spring 261, facial line grip slipper 24 is fixed in and installs in needle bar frame bottom end rail front side, facial line centre gripping locating part 25 and facial line centre gripping thimble 26 correspond needle bar quantity and are equipped with a plurality of (equal and position and needle bar position correspond with needle bar quantity), facial line centre gripping thimble 26 activity is passed facial line grip slipper 24 and is connected with facial line centre gripping locating part 25, facial line centre gripping thimble 26 is connected to facial line centre gripping spring 261, and the pulling makes facial line centre gripping locating part 25 tight facial line of back activity clamp.
The upper retaining edge and the lower retaining edge are arranged on the upper retaining edge and the lower retaining edge of the upper retaining edge retaining limiting part 25, which are matched with the upper side and the lower side of the upper retaining seat 24, and grooves for the upper threads to pass through are formed in the upper retaining edge and the lower retaining edge.
Referring to fig. 3 and 4, the upper thread holding and releasing assembly includes a mounting base 21, two electromagnets 22 mounted side by side on the mounting base, two driving blocks 221, two push rods 23, and two push rod springs 231. Correspondingly, the electromagnet 22, the driving block 221, the push rod 23 and the upper thread clamping thimble 26 are sequentially arranged from back to front, and the electromagnet 22 sequentially moves forwards through the driving block 221 and the push rod 23 and pushes the upper thread clamping thimble 26, so that the upper thread clamping limiting piece 25 moves forwards and releases the upper thread.
The upper thread clamping and releasing component is arranged at the rear side of the machine head, and the mounting base 21 is fixed on the machine head shell 31. Therefore, the space of the side surface of the machine head is not occupied, the space of the side surface of the machine head can be saved, and the reduction of the space between the machine heads is facilitated.
The space between the two electromagnets 22 arranged side by side and the two corresponding driving blocks 221, the two push rods 23 and the two push rod springs 231 corresponds to the space between the two needle rods on the machine head.
The driving block 221 is provided with a guide sliding portion, and the mounting base 21 is provided with a guide groove 2111 for guiding the guide sliding portion to move linearly.
Specifically, there is spacing front panel 312 at the front side fixed mounting of nose casing 31, ejector pin 23 passes from spacing front panel 312 activity, the front end of ejector pin is connected with stopper 233, stopper 233 and the rear end butt of facial line centre gripping thimble 26, the overcoat has ejector pin spring 231 on the ejector pin, the front end and the spacing front panel 312 butt of ejector pin spring, be equipped with the retaining ring 232 with the rear end butt of ejector pin spring on the ejector pin.
In this embodiment, the rear side of the head housing is also provided with a thread hooking device of the double-needle driving small-head-distance embroidery machine head, which comprises:
the wire hooking base is provided with two hooking knife slide rails and two pin shafts 112 in parallel;
the two hook knives 13 are correspondingly matched with the two hook knife slide rails in a sliding manner;
the hooking knife transmission components correspondingly drive the two hooking knives to slide along the hooking knife sliding rails, each hooking knife transmission component comprises a shifting fork 14, a rocker arm 15, a torsion spring and a transmission arm 16, the shifting fork is connected with the hooking knives, the rocker arms, the shifting forks and the torsion springs are rotatably connected with pin shafts, the two torsion arms at the two ends of the torsion springs are respectively connected with the shifting forks and the rocker arms, and the transmission arms are connected with the rocker arms;
and the line hooking pull rod 17 is connected with the transmission arms of the two hook knife transmission assemblies.
It can be understood that the distance between the two side-by-side hook knives corresponds to the distance between the two needle bars on the machine head.
Through setting up above-mentioned double-needle thread hooking device and promoting embroidery quality, two collude the sword and install side by side in same one side (can be regarded as all on the right side in figure 2) that colludes the sword in same thread hooking base and collude sword transmission assembly and locate colluding the sword to realize the compact installation of double-needle thread hooking device, practice thrift installation space.
For a double-needle driven small-head-distance embroidery machine head, the situation that only a single needle needs to operate exists, such as alternate-head embroidery. Therefore, one of the hook knives does not need to work when the single needle works. Thus, a stopper piece 18 is provided for restricting the rotation of the shift fork 14, thereby locking the corresponding hook cutter 13.
Preferably, the thread hooking pull rod 17 is driven by a linear motor so as to achieve the purpose of accurately controlling the movement of the hooking knife. The linear movement of the hooking pull rod 17 drives the two hooking knife transmission components to move synchronously, and the transmission arm 16 transmits force to the shifting fork 14 through the action of a torsion spring, so that the shifting fork 14 and the rocker arm 15 are not in hard connection transmission, and after the shifting fork 14 is locked, the corresponding rocker arm can swing freely without enabling the shifting fork to be linked.
In one embodiment, the fork 14 and the rocker 15 are both plate-shaped, the fork 14 has a fork seat rotatably engaged with the pin 112, the rocker 15 has a rocker seat rotatably engaged with the pin 112, and the fork seat is disposed close to the hook seat, and the rocker seat is superposed on the fork seat.
In order to lock the limiting piece 18 and the shifting fork 14, a limiting groove 141 is formed on one side of the shifting fork seat close to the wire hooking seat, a limiting head capable of being inserted into the limiting groove is arranged on the limiting piece, and it can be understood that a through groove is correspondingly formed on the wire hooking seat so that the limiting head can be inserted into the limiting groove.
In order to facilitate the operation of the limiting sheet, one end of the limiting sheet is rotatably connected to the machine head shell. The limiting head is arranged in the middle of the limiting sheet, and a handle is arranged at the other end of the limiting sheet. The handle is pressed down, the limiting sheet rotates, the limiting head is inserted into the limiting groove 142, although the corresponding rocker arm still can swing, the shifting fork can not swing at that time, and therefore the hooking knife can not be driven to move, and the hooking knife is locked without hooking threads.
In this embodiment, the thread hooking base includes a thread hooking base plate 11 and a thread hooking cover plate 12 fixed on the thread hooking base plate, and the thread hooking base plate 11 and the thread hooking cover plate 12 form the thread hooking slide rail therebetween. The thread hooking cover plate 12 is provided with a guide groove 121, and the hooking knife 13 is provided with a guide post 131 matched with the guide groove. The shifting fork is provided with a waist-shaped hole 141, and the guide post is connected with the waist-shaped hole.
The thread hooking device 1 is mounted on the rear side of the machine head shell 31, the rear portion of the machine head shell is provided with a mounting surface 311 inclined towards the lower front side, the thread hooking bottom plate 11 is mounted on the mounting surface 311 and can be fixed by bolts, and the space of the bottom and the back of the machine head can be saved by the inclined mounting of the thread hooking device 1.
Alternatively, the thread hooking device 1 and the upper thread holding and releasing member may be assembled together. Wherein, a front protrusion 111 is arranged at the middle position of the front end of the crocheting bottom plate 11. The mounting base 21 comprises a connecting plate 212 and a rear mounting plate 211, a front vertical section is arranged at the rear end of the connecting plate 212, a rear vertical section is arranged at the front end of the rear mounting plate 211, and the front vertical section and the rear vertical section are overlapped and fixed by screws. Further, the front end of the connecting plate is provided with a slope section 2121 inclined downward to the front side, and the slope section 2121 is overlapped with the front protrusion 111 and fixed by a screw.
The transmission arm 16 includes a column portion perpendicular to the rocker arm and an extending portion extending upward from a distal end of the column portion, and the extending portion is connected to the hook pull rod 17.
Example two
The embroidery machine comprises the double-needle driving small-head-distance embroidery machine head.
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. The double-needle-drive small-head-distance embroidery machine head comprises a machine head shell and a needle rod frame arranged on the front side of the machine head shell, wherein the needle rod frame is connected with a facial line clamping assembly, the facial line clamping assembly comprises a facial line clamping seat, a facial line clamping limiting part, a facial line clamping thimble and a facial line clamping spring, the facial line clamping seat is fixedly arranged on the front side of a lower cross beam of the needle rod frame, the facial line clamping limiting part and the facial line clamping thimble correspond to the number of needle rods, the facial line clamping thimble movably penetrates through the facial line clamping seat and is connected with the facial line clamping limiting part, the facial line clamping spring is connected with the facial line clamping thimble, and the facial line clamping thimble is pulled backwards to enable the facial line clamping; the method is characterized in that: the back side of the machine head shell is provided with a thread hooking device and an upper thread clamping and loosening assembly, the thread hooking device comprises a thread hooking seat, two hook knives, a hook knife transmission assembly, a thread hooking pull rod and a limiting piece, the thread hooking seat is provided with two hook knife slide rails and two pin shafts side by side, the two hook knives correspond to the two hook knife slide rails in sliding fit, the two hook knife transmission assemblies correspond to drive the two hook knives to slide along the hook knife slide rails, the hook knife transmission assembly comprises a shifting fork, a rocker arm, a torsional spring and a transmission arm, the shifting fork is connected with the hook knives, the rocker arm, the shifting fork and the torsional spring are rotationally connected with the pin shafts, two torsion arms at two ends of the torsional spring are respectively connected with the shifting fork and the rocker arm, the transmission arm is connected with the rocker arm, the thread hooking pull rod is connected with the transmission arms of the two hook knife transmission assemblies, and the thread hooking pull, the spacing piece is used for limiting the shifting fork to rotate so as to lock the corresponding hook cutter, the upper thread clamping loosening assembly comprises an installation base, two electromagnets which are installed on the installation base side by side and two driving blocks, two ejector rods and two ejector rod springs which are arranged correspondingly, the electromagnets stretch out and sequentially pass through the driving blocks and the ejector rods, the forward movement of the driving blocks and the ejector rods pushes up the upper thread clamping ejector pins, so that the upper thread clamping limiting part moves forward and loosens the upper thread, and the ejector rod springs are used for realizing the reset of the ejector rods.
2. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the shifting fork is provided with a shifting fork seat which is matched with the pin shaft in a rotating mode, the shifting fork seat is arranged close to the wire hooking seat, one side of the shifting fork seat close to the wire hooking seat is provided with a limiting groove, and the limiting piece is provided with a limiting head which can be inserted into the limiting groove.
3. The double needle-driven small-pitch embroidery machine head as claimed in claim 2, wherein: one end of the limiting sheet is rotatably connected to the machine head shell.
4. The double needle-driven small-pitch embroidery machine head as claimed in claim 3, wherein: the limiting head is arranged in the middle of the limiting sheet, and a handle is arranged at the other end of the limiting sheet.
5. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the rear portion of the machine head shell is provided with an installation surface inclined towards the lower side of the front side, and the thread hooking seat is installed on the installation surface.
6. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the transmission arm comprises a columnar part vertical to the rocker arm and an extension part extending from the tail end of the columnar part to the upper side, and the extension part is connected with the wire hooking pull rod.
7. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the driving block is provided with a guide sliding part, and the installation base is provided with a guide groove for guiding the guide sliding part to move linearly.
8. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the front side of the machine head shell is fixedly provided with a limiting front panel, the ejector rod movably penetrates through the limiting front panel, the front end of the ejector rod is connected with a limiting block, the ejector rod spring is sleeved on the ejector rod in an externally sleeved mode, the front end of the ejector rod spring is abutted to the limiting front panel, and the ejector rod is provided with a check ring abutted to the rear end of the ejector rod spring.
9. The double needle-driven small-pitch embroidery machine head as claimed in claim 1, wherein: the installation base is further provided with a connecting plate, the connecting plate is provided with an inclined section, and the inclined section is connected with the wire hooking seat.
10. Embroidery machine, its characterized in that: comprising the double needle driving small-head embroidery machine head of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921242626.8U CN210596567U (en) | 2019-08-02 | 2019-08-02 | Double-needle-driven small-head-distance embroidery machine head and embroidery machine |
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| CN201921242626.8U CN210596567U (en) | 2019-08-02 | 2019-08-02 | Double-needle-driven small-head-distance embroidery machine head and embroidery machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663239A (en) * | 2020-12-23 | 2021-04-16 | 浙江信胜科技股份有限公司 | Embroidery machine's aircraft nose and embroidery machine |
| CN115387040A (en) * | 2022-08-29 | 2022-11-25 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device of needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
-
2019
- 2019-08-02 CN CN201921242626.8U patent/CN210596567U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663239A (en) * | 2020-12-23 | 2021-04-16 | 浙江信胜科技股份有限公司 | Embroidery machine's aircraft nose and embroidery machine |
| CN115387040A (en) * | 2022-08-29 | 2022-11-25 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device of needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
| CN115387040B (en) * | 2022-08-29 | 2023-09-22 | 瑞珂玛机电(惠州)有限公司 | Homologous driving device for needle bar driving clutch mechanism and thread hooking mechanism of embroidery machine |
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