CN210712072U

CN210712072U - Embroidery machine and clutch device of first needle and tail needle thread roll rotating structure of embroidery machine

Info

Publication number: CN210712072U
Application number: CN201921127349.6U
Authority: CN
Inventors: 王海江; 田桂郁; 杨俊伟
Original assignee: Zhejiang Xinsheng Technology Co Ltd
Current assignee: Zhejiang Xinsheng Technology Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-09
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a clutch device of a first needle and a tail needle thread group rotating structure of an embroidery machine and the embroidery machine, which realize the transmission switching of a driving shaft, the first needle thread group rotating structure and the tail needle thread group rotating structure are driven by the same driving shaft, the driving shaft is driven to rotate by a thread group rotating power source, the driving shaft comprises a transmission section which is connected with and driven by the head needle thread group rotating structure or the tail needle thread group rotating structure, and a driving section which is connected with and driven by the thread group rotating power source, the clutch device comprises a telescopic transmission assembly which is connected with the driving section and the transmission section and an axial driving assembly which drives the transmission section to axially move, the transmission switching of the first needle thread group rotating structure and the tail needle thread group rotating structure is completed through the axial movement of the transmission section, and the telescopic transmission assembly stretches out and draws back when the transmission section moves axially and keeps the transmission connection of the driving section and the transmission section.

Description

Embroidery machine and clutch device of first needle and tail needle thread roll rotating structure of embroidery machine

Technical Field

The utility model relates to an embroidery machine technical field.

Background

At present, the market has great embroidery demand on gold foil embroidery, and the situations of using gold threads are more, but the market feeds back that the traditional gold thread anti-winding cap cannot effectively avoid the winding of the gold thread.

Set up the line ball and rotate the condition that the result can effectively avoid the gold thread winding on the aircraft nose because same aircraft nose exists first end needle (the outermost needle in aircraft nose left and right sides) position and all is equipped with the condition of sending the gold plaque device, needs first end needle all to set up line ball revolution mechanic this moment, nevertheless will avoid first end needle line ball to rotate simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an embroidery machine head needle and tail needle line ball rotating-structure's clutch is just provided, realize that driving shaft and head needle line ball rotating-structure and tail needle line ball rotating-structure's transmission switches.

In order to solve the technical problem, the utility model adopts the following technical scheme: the first needle thread group rotating structure and the tail needle thread group rotating structure of the embroidery machine are driven by the same driving shaft, the driving shaft is driven by a thread group rotating power source to rotate, the clutch device is used for realizing the transmission switching of the driving shaft and the first needle thread group rotating structure and the tail needle thread group rotating structure, the driving shaft comprises a transmission section which is connected with and driven by the head needle thread group rotating structure or the tail needle thread group rotating structure, and a driving section which is connected with and driven by the thread group rotating power source, the clutch device comprises a telescopic transmission assembly which is connected with the driving section and the transmission section and an axial driving assembly which drives the transmission section to axially move, the transmission switching of the first needle thread group rotating structure and the tail needle thread group rotating structure is completed through the axial movement of the transmission section, and the telescopic transmission assembly stretches out and draws back when the transmission section moves axially and keeps the transmission connection of the driving section and the transmission section.

Optionally, the axial driving assembly includes a linear driver and a transmission part fixed on the transmission section, and the linear driver acts on the transmission part and drives the transmission section to move axially.

Optionally, the linear actuator includes a clutch motor and a lead screw nut assembly driven by the clutch motor.

Optionally, the screw nut assembly includes a nut, the nut is connected with a fixing clamping block, the transmission portion is a transmission wheel provided with a clamping groove along the circumferential direction, and the fixing clamping block is clamped in the clamping groove.

Optionally, thrust bearings mounted on the transmission section are arranged on the left side and the right side of the transmission wheel.

Optionally, an outer ring of the thrust bearing is mounted on the ferrule, and the ferrule is fixed to the transmission section.

Optionally, the telescopic transmission assembly comprises a first telescopic part connected with the driving section and a second telescopic part connected with the driving section, and the first telescopic part and the second telescopic part are connected by adopting a concave-convex embedded structure.

Optionally, the first extensible member is provided with a transmission groove, and the second extensible member is provided with a transmission lug; or the telescopic piece I is provided with a transmission lug; the transmission lug is inserted into the transmission groove to realize transmission.

Optionally, the driving shaft is provided with a locking surface corresponding to the first telescopic part and the second telescopic part, and the locking screw is in threaded connection with the first telescopic part and the second telescopic part through threaded holes and tightly pushes the locking surface to fix the first telescopic part and the second telescopic part.

The utility model also provides an embroidery machine, include embroidery machine head needle and tail needle line ball rotating-structure's clutch.

The utility model adopts the above technical scheme, following beneficial effect has:

1. on the one hand, the driving shaft divide into two sections, specifically include and be connected driven transmission section with first needle line ball rotating-structure or tail needle line ball rotating-structure, be connected driven drive section with the line ball power of rotation source, the transmission section can remove about, thereby accomplish the transmission switching between driving shaft and first needle line ball rotating-structure and the tail needle line ball rotating-structure, flexible transmission assembly stretches out and draws back and keep the drive section to be connected with the transmission of transmission section when transmission section axial displacement on the other hand, guarantee that transmission section normal rotation is not influenced.

2. The rotation of the clutch motor is converted into linear motion through the screw rod nut assembly, and the linear motion position can be controlled accurately through the accurate control of the clutch motor.

3. The fixed clamping block is clamped in the clamping groove on the driving wheel, so that the fixed clamping block can drive the driving wheel to axially move simultaneously even if the driving shaft rotates.

4. The thrust bearing is used for bearing the axial force transmitted by the driving wheel, and then the axial force acts on the ferrule to drive the driving section of the driving shaft to move left and right.

5. The first extensible member and the second extensible member in the extensible transmission assembly are connected through a concave-convex embedded structure, the transmission mode is simple and reliable, and smooth extension can be guaranteed.

6. The driving shaft extends along the transverse direction of the embroidery machine, the whole embroidery machine can drive the thread roll rotating structures of all machine heads through one driving shaft, and vertical transmission is realized between the driving shaft and the thread roll rotating shaft through a bevel gear pair.

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 perspective view of a thread reel rotation structure of an embroidering machine;

fig. 2 is a front view of a thread reel rotating structure of the embroidering machine;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 2 at B;

FIG. 5 is a schematic view of the structure of FIG. 2 at C;

FIG. 6 is a schematic structural view of the telescopic driving assembly;

fig. 7 is a partial structural view of the left side of the embroidery machine to which the thread spool turning structure is applied.

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 "upper," "lower," "left," "right," "lateral," and the like, which refer to orientations or positional relationships, are used solely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices/components must be in 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," and "fixed" are to be construed broadly and may, for example, be 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 7, the thread spool turning structure of the embroidery machine includes a thread spool turning assembly 1 and a thread spool turning power source 3, the thread spool turning assembly 1 including a thread spool holder 12 for mounting a thread spool 13 and a thread spool turning shaft for turning the thread spool holder 12, thereby turning the thread spool 13 along with the thread spool holder 12. The coil rotating power source 3 includes a coil rotating motor 31, and the coil rotating motor 31 drives the coil rotating shaft to rotate.

The thread coil bracket is driven to rotate by the thread coil rotating structure, and the thread coil rotates along with the thread coil bracket, so that the thread coil bracket can rotate at a set speed according to the speed of a gold thread used in embroidery in the embroidery process, the gold thread is in a state of proper tightness, and the thread can be effectively prevented from being wound and knotted.

The coil-of-wire rotary power source 3 further comprises an intermediate transmission assembly, the coil-of-wire rotary motor 31 drives the driving shaft 100 through the intermediate transmission assembly, and the driving shaft 100 is perpendicular to the coil-of-wire rotary shaft and drives the coil-of-wire rotary shaft to rotate.

The driving shaft 100 extends in the lateral direction of the embroidery machine, and if the machine heads are provided with only one sequin feeding device, i.e., only one needle for embroidering sequin, each machine head is only required to be correspondingly provided with one thread roll rotating structure, so that the whole embroidery machine can drive the thread roll rotating structures of all machine heads through one driving shaft 100. As an alternative, it is also possible to provide a coil rotating motor 31 separately for each coil rotating structure.

In order to realize the vertical transmission of the driving shaft 100 and the coil rotating shaft, a bevel gear pair may be adopted, specifically, a driving bevel gear 101 is provided on the driving shaft 100, a driven bevel gear 11 is provided on the coil rotating shaft, and the driving bevel gear 101 and the driven bevel gear 11 are in meshing transmission. Preferably, the drive bevel gear 101 is a large gear, and the driven bevel gear 11 is a small gear, so that the rotational speed of the coil rotating shaft can be reduced. Of course, the bevel gear pair can be replaced by other existing vertical transmission structures.

Alternatively, the driven bevel gear 11 is integrally formed with the coil rotating shaft. The wire coil bracket 12 is integrally formed with the coil rotating shaft. Of course, the coil rotating shaft may be separately assembled with the driven bevel gear 11 and the coil carrier 12.

The wire coil support bracket 12 and the wire coil rotating shaft are arranged on the wire coil rotating support seat 10, the wire coil rotating support seat 10 is provided with a horizontal plate and a side plate, the horizontal plate is provided with a rolling bearing 14 matched with the wire coil rotating shaft, and similarly, the side plate is provided with a rolling bearing matched with the driving shaft. The rolling bearing is arranged on the bearing seat, a certain gap is reserved between the bearing seat matched with the coil rotating shaft and the coil bracket, and smooth rotation of the coil bracket is guaranteed.

In this embodiment, the intermediate transmission member assembly includes a small pulley 32, a large pulley 33, and a belt 34 mounted on the large and small pulleys, the small pulley shaft being connected to the output shaft of the coil-rotating motor, and the large pulley shaft being connected to the driving shaft. Further, a tensioning belt wheel can be arranged to tension the belt. Of course, it will be appreciated by those skilled in the art that the intermediate drive member assembly may be a geared drive assembly or other drive configuration known in the art.

The thread ball rotating power source 3 is integrally installed on the power source supporting seat 30, the power source supporting seat 30 comprises a back plate and side plates which are vertically connected with the left side and the right side of the back plate and extend forwards, the pulley shaft and the thread ball rotating motor 31 are installed on the left side plate, the driving shaft penetrates through the right side plate and is supported by a bearing, and the back plate is fixed on the frame of the embroidery machine through bolts.

As will be understood by those skilled in the art, the embroidery thread from the thread ball 13 is passed through a thread gripper, thread take-up mechanism, etc. to reach the needle bar, and is usually first drawn out from above the thread ball. Therefore, the embroidering machine thread roll rotating structure further includes a thread guide hole provided above the thread spool holder 12 for guiding the thread roll 13 to be drawn out, in order to guide the embroidery thread. The wire guide hole is formed in the porcelain sleeve, the porcelain sleeve is installed on the wire passing support 15, and the porcelain sleeve has the advantages of being wear-resistant and long in service life. The thread passing bracket 15 may be installed on a thread spool rotation support or a frame of the embroidery machine.

Because the same aircraft nose has the condition that first and last needle (the outermost needle in aircraft nose left and right sides) position all is equipped with the gold foil conveying device, need first and last needle all to set up the rotation thread ball structure this moment, but the first and last needle thread ball of avoiding simultaneously rotates.

As shown in fig. 1 to 7, in the present embodiment, each handpiece is correspondingly provided with two thread ball rotating structures, namely, a first needle thread ball rotating structure and a last needle thread ball rotating structure, which are identical in structure and driven by the same driving shaft 100, but the first needle thread ball rotating structure and the last needle thread ball rotating structure do not work simultaneously, so that a clutch device needs to be added to complete transmission switching between the driving shaft 100 and the first needle thread ball rotating structure and the last needle thread ball rotating structure.

In order to realize the transmission switching between the driving shaft 100 and the first needle thread group rotating structure and the tail needle thread group rotating structure, the driving shaft 100 is divided into two sections, and specifically comprises a transmission section which is connected with the first needle thread group rotating structure or the tail needle thread group rotating structure for transmission and a driving section which is connected with a thread group rotating power source for transmission, wherein the transmission section can move left and right.

Specifically, clutch is including the flexible transmission subassembly 4 and the axial drive subassembly 2 of drive transmission section axial displacement of connecting drive section and transmission section, flexible transmission subassembly 4 is located between clew rotary power source 3 and axial drive subassembly 2, and the axial displacement through the transmission section accomplishes first needle clew rotating-structure and tail needle clew rotating-structure's transmission and switches, and flexible transmission subassembly 4 stretches out and draws back and keep the drive section to be connected with the transmission of transmission section when transmission section axial displacement, guarantees that transmission section normal rotation is not influenced.

As an embodiment, the axial driving assembly 2 includes a linear driver and a transmission portion fixed on the transmission section, and the linear driver acts on the transmission portion and drives the transmission section to move axially.

Wherein the linear driver comprises a clutch motor 21 and a lead screw nut assembly 22 driven by the clutch motor. The rotation of the clutch motor 21 is converted into linear motion through the lead screw nut assembly 22, and the linear motion position can be controlled more accurately through the accurate control of the clutch motor.

Specifically, screw nut subassembly 22 includes lead screw and nut, and separation and reunion motor 21 passes through the shaft coupling and is connected with the lead screw, and the nut is connected with fixed fixture block 221, owing to rotate the in-process at driving shaft 100, also need can accomplish the separation and reunion, and transmission portion designs for setting up the drive wheel 23 of draw-in groove along the hoop, fixed fixture block 221 block is blocked in the draw-in groove, like this, even when driving shaft 100 rotates, fixed fixture block 221 also can drive wheel 23 axial displacement simultaneously. Of course, it is understood that the positions of the driving wheel 23 and the fixed latch 221 may be interchanged.

Furthermore, thrust bearings 24 mounted on the transmission section are arranged on the left side and the right side of the transmission wheel 23. The outer ring of the thrust bearing 24 is mounted on a ferrule 25, the ferrule 25 is fixed with the transmission section, and the thrust bearing 24 is used for bearing the axial force transmitted by the transmission wheel, so that the ferrule 25 is acted to drive the transmission section of the driving shaft 100 to move left and right.

Referring to fig. 6, in the present embodiment, the telescopic transmission assembly 4 includes a first telescopic member 41 connected to the driving section and a second telescopic member 42 connected to the transmission section, and the first telescopic member and the second telescopic member are connected by a male-female engagement structure. Of course, those skilled in the art can understand that the first telescopic element and the second telescopic element may also be flexibly connected or have other existing telescopic transmission structures, so as to ensure that the telescopic transmission assembly can be stretched and retracted when the transmission section moves axially and maintain the transmission connection between the driving section and the transmission section.

For the concave-convex embedded structure, specifically, the first extensible member 41 is provided with a transmission slot 411, and the second extensible member 42 is provided with a transmission lug 421; or the concave-convex positions are interchanged, the telescopic handle is provided with a transmission groove, and the first telescopic piece is provided with a transmission lug; the driving protrusion 421 is inserted into the driving slot 411 to realize driving.

The driving shaft (namely the driving section and the transmission section) is provided with a locking surface corresponding to the first telescopic part and the second telescopic part, and the locking screw is in threaded connection with the first telescopic part and the second telescopic part through threaded holes and tightly pushes the locking surface to fix the first telescopic part and the second telescopic part on the driving shaft.

In addition, it should be noted that the driven bevel gears 11 of the first needle thread group rotating structure and the last needle thread group rotating structure are installed in opposite directions, as shown in fig. 5, that is, the tooth surfaces are arranged oppositely, when the first and last needles are switched, the clutch motor 21 works to drive the transmission section of the driving shaft 100 to move left and right, and the two gear sets of the first and last needles can be engaged with each other and disengaged from each other.

The linear actuator is installed in driver supporting seat 20, and driver supporting seat 20 includes the backplate and connects the backplate left and right sides perpendicularly and the curb plate that extends forward, and drive wheel 23, thrust bearing 24, lasso 25, nut are located between the left and right sides curb plate, and clutch motor 21 installs in left side board or right side board, and screw connection has the hand wheel, can manual rotation, and the backplate passes through the bolt fastening in embroidery machine frame.

Example two

As shown in fig. 1 to 7, the embroidery machine includes an embroidery machine frame, an embroidery machine head 5 mounted on the embroidery machine frame, and the embroidery machine thread group rotating structure, wherein the embroidery machine head 5 is located below the embroidery machine thread group rotating structure, and the outgoing thread of the thread group 13 reaches the needle bar on the embroidery machine head through a thread support 15 and other existing thread passing structures.

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

1. The first needle and tail needle coil of thread rotating-structure's of embroidery machine clutching device, first needle coil of thread rotating-structure and tail needle coil of thread rotating-structure are by same driving shaft drive, and the driving shaft is rotated by coil of thread rotary power source drive, clutching device is used for realizing that the driving shaft switches its characterized in that with the transmission of first needle coil of thread rotating-structure and tail needle coil of thread rotating-structure: the driving shaft includes and is connected driven transmission section, is connected driven drive section with the clew of first needle line group revolution mechanic or tail needle line group revolution mechanic, rotates the axial drive subassembly of power source with the clew, clutch accomplishes first needle line group revolution mechanic and tail needle line group revolution mechanic's transmission switching including the flexible drive subassembly and the drive transmission axial displacement's of connecting drive section and transmission section, and flexible drive subassembly stretches out and draws back and keeps the drive section to be connected with the transmission of transmission section when transmission section axial displacement.

2. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 1, wherein: the axial driving assembly comprises a linear driver and a transmission part fixed on the transmission section, and the linear driver acts on the transmission part and drives the transmission section to move axially.

3. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 2, wherein: the linear driver comprises a clutch motor and a lead screw nut component driven by the clutch motor.

4. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 3, wherein: the screw rod nut assembly comprises a nut, the nut is connected with a fixed clamping block, the transmission part is a transmission wheel with a clamping groove arranged along the annular direction, and the fixed clamping block is clamped in the clamping groove.

5. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 4, wherein: and thrust bearings arranged on the transmission section are arranged on the left side and the right side of the transmission wheel.

6. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 5, wherein: the outer ring of the thrust bearing is arranged on the ferrule, and the ferrule is fixed with the transmission section.

7. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to any one of claims 1 to 6, wherein: the telescopic transmission assembly comprises a first telescopic part connected with the driving section and a second telescopic part connected with the driving section, and the first telescopic part and the second telescopic part are connected by adopting a concave-convex embedded structure.

8. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 7, wherein: the first telescopic piece is provided with a transmission groove, and the second telescopic piece is provided with a transmission lug; or the second telescopic piece is provided with a transmission groove, and the first telescopic piece is provided with a transmission lug; the transmission lug is inserted into the transmission groove to realize transmission.

9. The clutched device of an embroidery machine headneedle and tailneedle thread reel rotating structure according to claim 8, wherein: the driving shaft is provided with a locking surface corresponding to the first telescopic part and the second telescopic part, and the locking screw is in threaded connection with the first telescopic part and the second telescopic part through threaded holes and tightly pushes the locking surface to fix the first telescopic part and the second telescopic part.

10. Embroidery machine, its characterized in that: a clutch device including the head needle and tail needle thread reel rotating structure of the embroidery machine according to any one of claims 1 to 9.