CN112176569A

CN112176569A - Bead feeding device capable of embroidering multi-color or/and multi-specification beads and embroidery machine

Info

Publication number: CN112176569A
Application number: CN202010943138.0A
Authority: CN
Inventors: 骆建明; 许洪凯; 应雷; 卜绍民; 吴川川
Original assignee: Zhuji Guanxiang Machinery Technology Co ltd
Current assignee: Zhuji Guanxiang Machinery Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-01-05

Abstract

The invention discloses a bead feeding device capable of embroidering multi-color or/and multi-specification beads and an embroidery machine. The bead feeding device switching structure capable of driving and switching the corresponding bead feeding device to enter the bead feeding station according to needs, the bead feeding driver for driving the bead feeding device entering the bead feeding station to work and feeding beads to the embroidery bead station and a necessary fixing frame are arranged. Continuous long-distance supply of scattered beads with different colors or/and specifications can be realized. The invention has simple structure and reliable performance, and is suitable for conveying the scattered bead beads with different specifications or/and colors.

Description

Bead feeding device capable of embroidering multi-color or/and multi-specification beads and embroidery machine

Technical Field

The invention relates to a bead feeding device capable of conveying multi-color or/and multi-specification beads and an embroidery machine capable of embroidering the multi-color or/and multi-specification beads.

Background

The decoration is embroidered by transparent pearls, and has bright surface color, strong stereoscopic impression and strong aesthetic feeling. Will become the development direction of bead embroidery and gradually replace the traditional bead embroidery and bead tube embroidery.

When the beads are embroidered, the beads with different specifications or different colors are orderly arranged because a bead guiding rod is needed to position the beads and match with the bead feeding structure.

The prior art can not effectively and stably convey multi-color or/and multi-specification beads, so that the multi-color or multi-specification bead output device has low practical value, and the conventional bead embroidery can not realize ordered color changing or specification changing, so that the bead embroidery can not realize ordered color matching in the aspect of model changing or color changing. Changing the model or color of bead embroidery has always been a difficult problem to be solved by bead embroidery technicians.

Disclosure of Invention

The invention provides a bead feeding device and an embroidery machine, which are simple in structure and reliable in performance and can embroider multi-color or/and multi-specification beads, and aims to solve the problems of the existing multi-color or/and multi-specification bead feeding device.

The technical scheme for solving the existing problems is as follows: a bead feeding device capable of embroidering multi-color or/and multi-specification beads comprises a bead guiding rod, a bead feeding mechanism and a bead conveying mechanism;

the bead conveying mechanism comprises a ball conveying mechanism,

each group of conveyors is matched with the corresponding bead guide rod, each group of conveyors comprises a carrier plate and at least one bead conveying wheel arranged on the carrier plate, the bead guide rod is wound on at least one conveying wheel or/and wound between at least two conveying wheels, and the conveying wheels are used for positioning the bead guide rod and conveying the beads on the bead guide rod;

the conveyor switching structure is used for driving and switching the corresponding conveyor to enter a working position;

a conveying wheel driver for driving the conveying wheel on the conveyor entering the working position to rotate so as to convey the beads;

the mounting frame comprises a first mounting frame connected with the corresponding group of conveyors, and a second mounting frame for positioning, mounting and maintaining the conveyor switching structure, the conveying wheel driver and the relative matching position of the first mounting frame, and the first mounting frame and the second mounting frame can be in relative sliding fit;

the bead feeding mechanism comprises a bead feeding mechanism,

at least two groups of bead feeders, wherein each group of bead feeder comprises a bead feeding structure which is used for receiving beads from the output end of the suspended bead guide rod and conveying the beads to the bead embroidering station;

the bead feeder switching structure is used for driving and switching the corresponding bead feeder to enter a bead feeding station;

the bead feeding driver is matched with the bead feeding structure of the bead feeder entering the bead feeding station, and drives the bead feeding structure entering the bead feeding station to take beads from the output end of the suspended bead guide rod and convey the beads to the bead embroidering station;

the fixing frame comprises a first fixing frame which is fixedly connected with the corresponding set of bead feeders, and a second fixing frame which is used for positioning, installing and maintaining the bead feeding driver, the bead feeder switching structure and the relative matching position of the first fixing frame, wherein the first fixing frame and the second fixing frame can be in relative sliding fit;

the at least two bead guide rods respectively penetrate through the corresponding groups of conveyors of the bead conveying mechanism, and the lower ends of the corresponding groups of bead guide rods are suspended above the bead receiving positions of the bead conveying structures of the corresponding groups of bead conveyors.

As a further improvement, the bead feeding structure comprises a bottom plate, a bead clamp and a driving plate, wherein the bead clamp is arranged on the bottom plate in a sliding manner, the driving plate drives the bead clamp to feed beads forwards and receive beads backwards, the bead clamp moves forwards and clamps along with the driving plate, and the bead clamp moves backwards and opens along with the driving plate; the bottom plates of the bead feeding structures of the at least two groups of bead feeding devices are integrated, and the bead clamps and the driving plates of the corresponding bead feeding structures are arranged at corresponding positions of the integrated bottom plates in a sliding mode.

As a further improvement, the bead feeding driver comprises a first motor arranged on the second fixing frame and a swing rod arranged on the first motor, and a sliding plug and a driving column matched with the driving plate to slide are arranged at the tail end of the swing rod and corresponding to the driving plate arranged on the bead feeding structure;

as a further improvement, a synchronous belt and a belt wheel transmission assembly are arranged between the swing rod and the first motor; the swing rod is rotatably arranged at the corresponding position on the second fixing frame, one end of the swing rod is coaxially connected with a belt wheel, the other end of the swing rod is matched with a bead feeding structure entering a bead feeding station bead feeder, the shaft of the first motor is connected with another belt wheel, and a synchronous belt is arranged between the two belt wheels.

As a further improvement, the switching structure of the bead feeder is connected and arranged between the second fixing frame and the first fixing frame; the switching structure of the bead feeder is a pneumatic rod, a hydraulic rod, a linear motor or a screw rod assembly with a driving shaft which drives the corresponding bead feeder to enter a bead feeding station.

As a further improvement, a guide sliding rail component is arranged between the first fixing frame and the second fixing frame of the bead feeder switching structure.

As a further improvement, the bead conveying device further comprises a lifting mechanism connected with the second fixing frame, an intermediate connecting frame connected with the bead conveying mechanism and the bead conveying mechanism is arranged between the second mounting frame and the second fixing frame, and the lifting mechanism is arranged on the intermediate connecting frame.

As a further improvement, the bead guide rod of each bead feeding structure is provided with a bead pressing structure for driving and pressing beads output on the bead guide rod.

As a further improvement, the bead pressing structure comprises a fixed plate, a sliding frame sliding to and fro relative to the fixed plate, and a first driver driving the sliding frame to slide to and fro, wherein the fixed plate is arranged at a corresponding position on the first fixed frame, at least one pair of clamping wheels matched with each other is arranged between the sliding frame and the fixed plate, the pair of clamping wheels are arranged at two sides of the bead guiding rod, one end of each clamping wheel matched with each other is rotatably arranged on the fixed plate, the other end of each clamping wheel is rotatably arranged on the sliding frame, the rotating axes at two ends of the corresponding pair of clamping wheels are arranged in a non-concentric manner, the clamping wheels slide along with the sliding frame in one direction and deflect and clamp beads on the bead guiding rod to drive the beads, and the clamping wheels slide along with the sliding frame in the opposite direction.

As a further improvement, the fixed plate is further provided with a slidable sliding part, one end of the clamping wheel which is matched with the fixed plate is rotatably arranged on the sliding part, the other end of the clamping wheel is rotatably arranged on the sliding frame, the rotating axes at the two ends of the clamping wheel are arranged in a non-concentric manner, the clamping wheel deflects and clamps along with the sliding frame in the one direction and drives the sliding part to retard and slide in the one direction, and the clamping wheel deflects and opens along with the sliding frame in the opposite direction and retards and slides in the opposite direction.

As a further improvement, the fixed plate is provided with a guide groove for positioning and guiding the sliding part to slide; and a magnet for increasing the sliding resistance of the slider.

As a further improvement, a sliding rail component is arranged between the fixed plate and the sliding frame; and a guide groove and a guide pillar for positioning and installing the clamping wheel are arranged between the sliding frame and the corresponding end of the clamping wheel, and the corresponding end of the clamping wheel can slide and rotate through the matching of the guide pillar and the guide groove.

As a further improvement, the at least one pair of pinch wheels are symmetrically arranged.

As a further improvement, the clamping wheel is an eccentric wheel or a cam; the matching part of the clamping wheel and the ball guide rod is arc-shaped or wheel-shaped.

As a further improvement, the sliding frame is provided with a rack or strip-shaped teeth, the driver is a driving motor or a power input shaft, and the driving motor or the power input shaft is provided with a gear matched with the rack or the strip-shaped teeth; the sliding direction of the guide groove is vertical to the sliding direction of the sliding frame.

As a further improvement, the sliding frame is a U-shaped sliding frame, and the fixed plate and the clamping wheel are arranged in a U-shaped groove of the U-shaped sliding frame; the guide groove is arranged on the sliding frame, and the guide pillar is arranged at the corresponding end of the clamping wheel.

As a further improvement, a second sliding rail assembly is arranged between the first mounting frame and the second mounting frame, and the conveyor switching structure is arranged on the second mounting frame and drives the first mounting frame to slide so as to drive and switch the corresponding conveyor to enter a working position.

As a further improvement, the conveyor switching structure comprises a second motor arranged on the second mounting frame, a second screw rod connected with a second motor shaft, and a second sliding sleeve matched with the second screw rod, wherein the second sliding sleeve is arranged on the first mounting frame.

As a further improvement, at least two conveying wheels of each group of conveyors are provided, the corresponding ball guide rods penetrate between the at least two conveying wheels, and the at least two conveying wheels are used for positioning and clamping the ball guide rods; the conveying wheel driver drives a conveying wheel of the conveyor entering the working position to rotate, and a transmission structure is arranged between the at least two driving wheels.

As a further improvement, the conveying wheels are provided with at least four conveying wheels, wherein two conveying wheels form a pair of clamping wheels, the bead guiding rod penetrates between the two conveying wheels forming the clamping wheels, the bead guiding rod rounds between or/and is wound on other conveying wheels, and a transmission structure is arranged between the at least four conveying wheels.

As a further improvement, the transmission structure is a gear or/and a belt pulley.

As a further improvement, the conveying wheel driver comprises a third motor arranged on the second mounting frame, and the third motor is in transmission fit with one of the conveying wheels through a gear or a belt.

As a further improvement, the system also comprises a controller for controlling and coordinating each drive.

An embroidery machine comprises a machine body and at least one machine head arranged on the machine body, wherein one side or two sides of the at least one machine head are provided with the bead feeding device which can embroider multi-color or/and multi-specification beads according to any one or combination of any one technical scheme.

As a further improvement, the cross beam is provided with a connecting frame which is connected with the bead feeding mechanism or/and the bead conveying mechanism.

Compared with the prior art, the invention has the advantages that at least two groups of bead feeders are arranged through the bead feeding mechanism to feed beads with different colors or/and specifications, and the bead feeding mechanism is matched with the bead feeding mechanism. The bead feeding device switching structure capable of driving and switching the corresponding bead feeding device to enter the bead feeding station according to needs, the bead feeding driver for driving the bead feeding device entering the bead feeding station to work and feeding beads to the bead embroidering station and a necessary fixing frame are arranged. Continuous long-distance supply of scattered beads with different colors or/and specifications can be realized. The invention has simple structure and reliable performance, and is suitable for conveying the scattered bead beads with different specifications or/and colors.

Drawings

FIG. 1 is a schematic view showing a structure of a bead feeding device of the present invention mounted on an embroidery machine to be coupled with a head.

Fig. 2 is a structural schematic view of the bead feeding device of the present invention installed on an embroidery machine at another viewing angle in cooperation with a head.

Fig. 3 is a side view of the bead feeding device of the present invention mounted to an embroidery machine in cooperation with a head.

FIGS. 4-5 are schematic views of different viewing angles of the bead delivery apparatus of the present invention.

FIG. 6 is a schematic view of the first fixing frame of the bead feeding device for removing the bead feeding structure

FIG. 7 is a side view of the bead feeding mechanism of the present invention with a portion of the first fixture removed.

FIGS. 8-10 are schematic views of the bead feeding mechanism of the present invention with portions of the first fixture removed from different viewing angles.

FIG. 11 is a front view of the bead feeding mechanism of the present invention.

FIG. 12 is a schematic diagram of a bead compression configuration of the present invention.

FIG. 13 is a front view of a bead compression configuration of the present invention.

FIG. 14 is an exploded view of the bead compression structure of the present invention.

Fig. 15 is a side view of the bead transport mechanism of the present invention.

Fig. 16 is a front view of the bead feeding mechanism of the present invention.

FIGS. 17-19 are schematic views of the bead transport mechanism of the present invention from different perspectives.

FIG. 20 is an exploded view of the bead-feeding structure of the present invention.

FIG. 21 is a schematic view of another example of a bead-delivering structure according to the present invention.

The beads in fig. 7, 8, 9 and 15 are drawn in a single drawing, and the beads in the other drawings are not drawn one by one and are marked by simple columns.

Detailed Description

Referring to fig. 1-21, a bead feeding device for embroidered multi-color or/and multi-size beads comprises a bead guide rod 1, a bead feeding mechanism 200 and a bead feeding mechanism 100. The bead feeding device can be arranged on the cross beam 3 of the machine head 21 or the machine body. The bead feeding device can be arranged on the machine head shell or the needle bar frame, and the specific installation position or structure can be matched with the corresponding needle bar on the machine head.

The bead conveying mechanism 200 comprises at least two groups of conveyors 201, a conveyor switching structure 210, a conveying wheel driver 220 and a mounting rack.

At least two groups of conveyors 201, each group of conveyors 201 is matched with a corresponding bead guide rod 1, each group of conveyors 201 comprises a carrier plate 202 and at least one bead conveying wheel 203 arranged on the carrier plate 202, the bead guide rod 1 is wound on the at least one conveying wheel 203 or/and wound between the at least two conveying wheels 203, and the conveying wheels 203 are used for positioning the bead guide rods 1 and conveying the beads on the bead guide rods 1.

That is, the ball guide rod 1 can be wound around one or more conveying wheels 203, or wound between two or more conveying wheels 203, or wound around two or more conveying wheels and wound between two or more conveying wheels 203.

The conveyor switching mechanism 210 drives and switches the corresponding conveyor 201 into the working position.

And a transport wheel driver 220 for driving the transport wheel 203 on the transporter 201 brought into the working position to rotate to transport the beads.

And the mounting frame comprises a first mounting frame 204 connected with the corresponding group of conveyors 201, and a second mounting frame 205 used for positioning, mounting and maintaining the conveyor switching structure 210, the conveyor wheel drive 220 and the relative matching position of the first mounting frame 204, wherein the first mounting frame 204 and the second mounting frame 205 can be in relative sliding fit.

A second sliding rail assembly 206 is arranged between the first mounting frame and the second mounting frame, and the conveyor switching structure 210 is arranged on the second mounting frame 205 to drive the first mounting frame 204 to slide so as to drive and switch the corresponding conveyor 201 to enter a working position.

The conveyor switching structure 210 includes a second motor 211 mounted on the second mounting bracket 205, a second lead screw 212 connected to a shaft of the second motor 211, and a second sliding sleeve 213 in threaded engagement with the second lead screw 212, wherein the second sliding sleeve 213 is disposed on the first mounting bracket 204. Other prior art structures may be used to replace the second motor, second lead screw, and sliding sleeve in the conveyor switching mechanism 210.

At least two conveying wheels 203 of each group of conveyors 201 are arranged, the corresponding ball guide rod 1 passes through the conveying wheels 203, and the conveying wheels 203 position and clamp the ball guide rod 1; the conveying wheel driver 220 drives a conveying wheel 203 of the conveyor 201 entering the working position to rotate, and a transmission structure is arranged between the at least two driving wheels.

The conveying wheels 203 are provided with at least four conveying wheels 203, wherein two conveying wheels 203 form a pair of clamping wheels, the ball guide rod 1 penetrates between the two conveying wheels 203 forming the clamping wheels, the ball guide rod 1 winds around other conveying wheels 203 or/and winds on other conveying wheels 203, and a transmission structure is arranged between the at least four conveying wheels 203. A transmission structure is arranged among the at least four conveying wheels 203. The transmission structure is a gear or/and a belt pulley. The specific number of the conveying wheels 203 is subject to the realization of stable positioning of the bead guide rod 1 for conveying the beads 11 according to specific conditions.

In this embodiment, the number of the conveying wheels 203 is five, two of the conveying wheels 203 form a pair of clamping wheels, the bead guiding rod 1 is disposed at the front of the bead conveying mechanism 200, the bead guiding rod 1 passes through the space between the two conveying wheels 203 forming the clamping wheels, the bead guiding rod 1 winds around the space between the other three conveying wheels 203 or/and winds around the other three conveying wheels 203, referring to the attached drawings, the bead guiding rod 1 winds around the space between the other three conveying wheels 203 in an S-shape, and of course, the bead guiding rod 1 may also adopt other winding, winding or winding combinations.

The conveyor wheel driver 220 includes a third motor 221 installed on the second mounting rack 205, the third motor 221 is in transmission fit with one of the conveyor wheels 203 through a gear or a belt, and a multi-stage belt, a pulley and a multi-stage transmission gear can be further arranged between the motor 221 and the conveyor wheel 203, so as to adapt to the space of the second mounting rack 205.

The bead feeding mechanism 100 capable of feeding multi-color or multi-size beads comprises at least two sets of bead feeders 101, a bead feeder switching structure 104, a bead feeding driver 105, and a fixing frame.

At least two groups of bead feeders 101, each group of bead feeders 101 comprises a bead feeding structure 130 which takes the beads from the output end of the suspended bead guide rod 1 and conveys the beads to the bead embroidering station.

And a bead feeder switching structure 104 for driving and switching the corresponding bead feeder 101 to enter the bead feeding station.

And the bead feeding driver 105 is matched with the bead feeding structure 130 of the bead feeder 101 entering the bead feeding station, drives the bead feeding structure 130 entering the bead feeding station to take the beads from the output end of the suspended bead guide rod 1 and convey the beads to the bead embroidering station.

The fixing frame comprises a first fixing frame 106 which is connected and fixed with the corresponding set of bead feeders 101, and a second fixing frame 107 which is used for positioning, installing and keeping the bead feeding driver 105, the bead feeder switching structure 104 and the relative matching position of the first fixing frame 106, wherein the first fixing frame 106 and the second fixing frame 107 can be matched in a relatively sliding mode.

At least two bead guide rods 1 are respectively passed through the conveyors 201 of the corresponding sets of the bead feeding mechanisms 200. The lower end of the corresponding group of bead guide rods 1 is suspended above the bead feeding structure 130 of the corresponding group of bead feeders 101 to form continuous bead feeding.

To facilitate the supply of multi-colored or/and multi-sized beads, a bead supply device 300 may also be included.

The bead supply device 300 comprises at least two groups of bead threading mechanisms 301 and a connecting frame 4 connected with the corresponding groups of bead threading mechanisms 301. The bead threading mechanism 301 may be of a prior art construction.

In this embodiment, the bead threading mechanism 301 includes a connection base 302, a barrel 303 rotatably disposed on the connection base 302, a barrel motor for driving the barrel 303 to rotate, and a bead guiding rod 1 engaged with the barrel 303. A hopper may be provided on the barrel 303. The multi-color and/or multi-specification beads can be beads with embroidery holes in different colors, different outer diameters, different heights or different shapes, such as common beads, tube beads, bubble beads and the like.

Also comprises a positioning structure 310 for positioning the ball guide rod 1. The positioning structure 310 of the ball guide rod 1 can adopt the prior art structure, specifically, the positioning of the ball guide rod can be realized. Further, it is preferable to transport the beads on the bead guide shaft 1.

In this embodiment, the positioning structure 310 of the ball guide rod 1 includes a mounting plate 311 and rollers 312 disposed on the mounting plate 311, wherein at least one of the rollers 312 is set as a driving wheel, the driving wheel can be driven by a driving motor, a plurality of rollers are disposed in this embodiment, and a transmission structure is disposed between the plurality of rollers, that is, the plurality of rollers are set as driving wheels. The ball guide rod 1 is wound on one or more rollers 312, or wound between a plurality of rollers, or wound on a plurality of rollers and wound between a plurality of rollers.

Of course, the bead threading mechanism 301 is another scheme (not shown in the figure) in which the upper end of the bead guiding rod 1 is placed into the material cylinder from the bead dropping hole formed at the bottom of the material cylinder, and a rotating paddle is arranged in the material cylinder to drive the beads in the material cylinder to pass through the bead dropping hole at a certain probability. The positioning structure 310 of the ball guide rod 1 comprises a mounting plate, at least two groups of clamping structures arranged on the mounting plate for clamping the ball guide rod 1, and a power distribution device for driving the corresponding groups of clamping structures to clamp or open or close, and at least one group of clamping structures for clamping the ball guide rod 1 in the working process.

The positioning structure 310 of the bead guiding rod 1, the bead guiding rod 1 is further provided with a first bead pressing structure 313 above or/and below the positioning structure 310 for driving and pressing beads on the bead guiding rod 1 to be conveyed to the output end, and a transmission structure can be arranged between the driving wheels.

The first ball pressing structure 313 of the ball guide rod 1 comprises at least two driving wheels 314, wherein at least one of the driving wheels is a driving wheel.

The connecting frame 4 comprises a first connecting frame 4 connected with the bead threading mechanism 301 and a second connecting frame 4 connected with the first connecting frame 4, and the second connecting frame 4 is connected on a cross beam of the machine body.

At least two bead guiding rods 1 respectively pass through the corresponding groups of conveyors 201 of the bead conveying mechanism 200, and the upper ends of the corresponding groups of bead guiding rods 1 are connected with the corresponding groups of bead threading mechanisms 301 of the bead supply device 300 and are matched with the charging barrels 303 of the corresponding bead threading mechanisms 301 for bead threading. The lower end of the corresponding group of the bead guide rod 1 is suspended above the bead feeding structure 130 of the corresponding group of the bead feeder 101 to form continuous bead threading and feeding of scattered beads. Referring to the drawings, in the present embodiment, taking 3 sets of the conveyor 201 and the bead feeder 101 as examples, the bead supply apparatus 300 has 4 sets of bead threading mechanisms 301, one set of which is empty, and the other three sets correspond to the conveyor 201 and the bead feeder 101 one by one. The bead guiding rod 1 is provided with a bending or spiral section 12 between the bead threading mechanism 301 and the conveyor 201, so that the bending of the bead guiding rod 1 is reduced when the conveyor 201 and the bead feeder 101 move.

The bead feeding structure 130 comprises a bottom plate 131, a bead clamp 132 arranged on the bottom plate 131 in a sliding manner and a driving plate 133, the driving plate 133 drives the bead clamp 132 to feed beads forwards and receive beads backwards, the bead clamp 132 advances and clamps along with the advance of the driving plate 133, and the bead clamp 132 retreats and expands along with the retreat of the driving plate 133; the bottom plate 131 of the bead feeding structure 130 of the at least two sets of bead feeders 101 is an integrated bottom plate 131, and the bead clamp 132 and the driving plate 133 of the corresponding bead feeding structure 130 are slidably disposed at the corresponding position of the integrated bottom plate 131. The matching parts of the bottom plate 131, the corresponding ball clamps 132 and the driving plate 133 are provided with guide sliding chutes 139 for guiding the ball clamps 132 and the driving plate 133.

The output end of at least one bead guide rod 1, the lower part of the bead pressing structure 120 and the corresponding position on the bottom plate 131 are provided with a positioning mechanism 141 for positioning the beads to be dropped, the positioning mechanism 141 comprises a frame arranged on the bottom plate 131, two rotatable positioning blocks eccentrically arranged on the frame, and a positioning opening for positioning the beads 11 on the bead guide rod 1 is arranged between the two positioning blocks. The two positioning blocks are eccentrically arranged on the bead guide rod 1 to clamp and position beads to be dropped at the clamping port of the bead clamp 132 in a free gravity state.

The bead clamps 132 and the driving plate 133 of the bead feeding structure 130 may be of a conventional structure. As shown in fig. 20, the ball clamp 132 includes a pair of clamp arms 134 rotatably mounted on a drive plate 133, the pair of clamp arms 134 preferably being eccentrically rotatably mounted on the drive plate 133; the pair of clamping arms 134 are provided with clamping ports for clamping beads; a cover plate 135 can be disposed on the pair of clamping arms 134, a deflection shaft and a shaft hole or slot 136 matched with the deflection shaft are disposed between the cover plate 135 and the pair of clamping arms 134, so as to drive the pair of clamping arms 134 to rotate around a rotation point on the driving plate 133 to form a clamping and opening action, the shaft hole or slot 136 can be disposed at a corresponding position of the pair of clamping arms 134, and the deflection shaft can be disposed on the cover plate 135. When the bead gripper 132 receives beads from the bead-taking station and moves forward along with the driving board 133, the pair of gripper arms 134 of the bead gripper 132 lags behind the driving board 133 under the inertia effect of the gripper arms 134 and the cover plate 135, and the lagging cover plate 135 drives the pair of gripper arms 134 through the deflection shaft and the shaft hole or slot 136 to generate a gripping action to grip the beads, and then moves forward along with the driving board 133 to the bead-embroidering station to wait for embroidering beads. After waiting for embroidering beads or embroidering beads, when the bead clamp 132 retreats along with the driving plate 133, the pair of clamping arms 134 of the bead clamp 132 retreats after the driving plate 133 under the inertia effect of the clamping arms 134 and the cover plate 135, the delayed cover plate 135 drives the pair of clamping arms 134 to open through the deflection shaft and the shaft hole or slot 136, and after the opening action, the driving plate 133 retreats to the bead taking station right below the corresponding bead guide rod 1 to prepare for receiving beads. The bottom of the bottom plate 131 may be provided with a magnetic body for absorbing the ball clip 132, so as to increase the resistance of the cover plate 135, the clip arms 134 and the driving plate 133, further retard the hysteresis of the cover plate 134 and the pair of clip arms 134, and ensure the clamping and unclamping of the pair of clip arms 134.

Referring to fig. 21, as an optimization, an inclined slot 137 is formed on the pair of clamping arms 134 to be slidably engaged with a guide post 138 disposed at a corresponding position on the driving plate 133, each clamping arm 134 of the pair of clamping arms 134 is further provided with a linear slot 140 perpendicular to the bead feeding direction on the cover plate 135,

of course, the bead holder 132 may have other conventional structures (not shown in the drawings in this embodiment)

Such as a pair of clip arms 134 that are normally open or normally closed, are resiliently connected or directly integral to the drive plate 133. If the pair of clamping arms 134 are normally open, the pair of clamping arms 134 drive the two clamping arms 134 to clamp by colliding with the inner wall of the horn-shaped beam opening along with the driving plate 133 in the advancing process; opening as the drive plate 134 is withdrawn and out of the flared beam opening. If the clamping arms are arranged normally closed, the pair of clamping arms 134 drives the two clamping arms 134 to open by colliding with the conical flaring in the retreating process of the driving plate; gripping as the drive plate 133 advances out of the tapered flare. The bottom plate 131 may be provided with a guiding chute 139 for positioning the driving plate 132, and the collision trumpet-shaped opening or the cone-shaped flaring may be disposed on the bottom plate 131, and of course, the driving plate 133 may be provided therein with a receiving groove with an opening at the front end, which is the end close to the bead embroidering station and the end of the embroidery needle. A second driving plate which can slide relative to the driving plate 133 is arranged in the accommodating groove, the pair of clamping arms 134 can be integrally and elastically arranged on the second driving plate, a first conical inclined surface which is used for controlling the pair of clamping arms 134 to generate clamping action when the second driving plate moves forwards and then lags forwards along with the driving plate is arranged between the second driving plate and the driving plate 133, and a second conical inclined surface which is used for controlling the pair of clamping arms 134 to generate stretching action when the second driving plate lags backwards along with the driving plate is also arranged between the second driving plate and the driving plate 133.

The bead feeding driver 105 includes a first motor 111 mounted on the second fixing frame 107, and a swing rod 108 mounted on the first motor 111, where a sliding plug 109 and a driving post 110, which are matched with the driving plate 133 to slide, are disposed at a position corresponding to the driving plate 133 of the bead feeding structure 130 at the end of the swing rod 108, in this embodiment, the sliding plug is a U-shaped sliding plug and is disposed at a position corresponding to the driving plate 133, and the driving post 110 is disposed at a position corresponding to the swing rod 108, although the sliding plug 109 and the driving post 110 may be interchanged in position.

A synchronous belt and belt wheel transmission assembly 112 is arranged between the swing rod 108 and the first motor 111; the swing rod 108 is rotatably arranged at a corresponding position on the second fixing frame 107, one end of the swing rod 108 is coaxially connected with a belt wheel, the other end of the swing rod 108 is matched with a bead feeding structure 130 entering the bead feeder 101 at a bead feeding station, a motor shaft of the first motor 111 is connected with another belt wheel, and a synchronous belt is arranged between the two belt wheels.

The bead feeder switching structure 104 is connected and installed between the second fixing frame 107 and the first fixing frame 106; the bead feeder switching structure 104 is a pneumatic rod, a hydraulic rod, a linear motor or a screw assembly with a driving shaft for driving the corresponding bead feeder 101 to enter the bead feeding station, in this embodiment, the second fixing frame 107 and the first fixing frame 106 are driven by the screw assembly 103 with the driving shaft, as shown in fig. 1-11, a screw rod of the screw assembly 103 is connected with the driving shaft, the driving shaft can directly adopt a motor installed on the second fixing frame 107, a sliding nut connected to the first fixing frame 106 is arranged on the screw rod, and the driving shaft rotates to drive the first fixing frame 106 to drive the corresponding bead feeder 101 to enter the bead feeding station through the sliding nut.

A guiding sliding rail assembly 102 is arranged between the first fixing frame 106 and the second fixing frame 107 so as to keep the first fixing frame 106 and the second fixing frame 107 to accurately, stably and smoothly run. The drive structure 104 may employ a known prior art structure.

The device also comprises a lifting mechanism 113 connected with the second fixing frame 107, wherein the lifting mechanism 113 is used for lifting the bead feeding mechanism 100 to enter a corresponding position during work and to be separated from the corresponding position during work so as to be convenient for freeing the position for other devices to use. The lifting mechanism 113 includes a lifting power device 114, a mounting base 115 for fixing the lifting power device, and a rail assembly 116 disposed on the mounting base. The lifting power device 114 may be a pneumatic rod, a hydraulic rod, a screw assembly of a driving motor, or a linear motor, or other conventional lifting devices. In this embodiment, a pneumatic rod is adopted, the cylinder portion of the pneumatic rod is mounted on the mounting seat 115, the other end of the push rod of the pneumatic rod is connected to the second fixing frame 107, a connecting block can be arranged on the second fixing frame 107 to connect with the corresponding position of the push rod, and the connecting block is connected with the mounting seat through the guide rail assembly 116, so as to keep the bead feeding mechanism 100 stably lifted or entering the working position. In this embodiment, the second fixing frame 107 of the bead feeding mechanism 100 and the second mounting frame 205 of the bead feeding mechanism 200 are connected to each other through the intermediate connecting frame 5, the cylinder portion of the air pressure rod is mounted on the mounting base 115, and the other end of the push rod of the air pressure rod is connected to the intermediate connecting frame 5.

The bead guiding rod 1 of each bead feeding structure 130 is provided with a bead pressing structure 120 for driving and pressing beads output on the bead guiding rod 1. The upper end of the bead guiding rod 1 of each bead feeding structure 130 can be connected with a corresponding bead threading mechanism or form a bead threading end of the corresponding bead threading mechanism.

The ball pressing structure 120 comprises a fixed plate 121, a sliding frame 122 sliding reciprocally relative to the fixed plate 121, and a first driver 123 driving the sliding frame 122 to slide reciprocally, wherein the fixed plate 121 is mounted at a corresponding position on a first fixing frame 136. At least one pair of clamping wheels 124 which are matched with each other is arranged between the sliding frame 122 and the fixing plate 121, the pair of clamping wheels 124 are arranged on two sides of the bead guiding rod 1, one end of each clamping wheel 124 which is matched with each other is rotatably arranged on the fixing plate 121, the other end of each clamping wheel 124 which is matched with each other is rotatably arranged on the sliding frame 122, the rotating axes of two ends of each clamping wheel 124 are arranged in a non-concentric mode, the clamping wheels 124 deflect and clamp along with the sliding frame 122 towards one direction, the driving and pressing of the beads 11 on the bead guiding rod 1 are formed along with the continuous deflection of the corresponding clamping wheels 124, and the clamping wheels 124 deflect and expand along with the sliding frame 122 towards the opposite direction.

Furthermore, in order to improve the driving and pressing effect, the fixing plate 121 is further provided with a slidable sliding member 125, one end of the clamping wheel 124 which is matched with each other is rotatably mounted on the sliding member 125, the other end of the clamping wheel is rotatably mounted on the sliding frame 122, and the rotating axes at the two ends of the clamping wheel 124 are arranged eccentrically, so that the clamping wheel 124 deflects and clamps along with the sliding frame 122 in the one direction and drives the sliding member 125 to lag and slide in the one direction, thereby forming obvious displacement and improving the effect of pressing the beads. The pinch roller 124 deflects to expand with the reverse sliding movement of the carriage 122 and lags behind the reverse sliding movement. The slider 125 may be a sliding plate or a sliding block. The fixing plate 121 is provided with a guide groove 126 for sliding the positioning guide sliding member 125. In this embodiment, the clamping wheel 124 deflects and clamps along with the downward sliding of the sliding rack 122, and then drives the sliding member 125 to slide downward after delaying, so as to drive the beads on the bead guiding rod 1 to slide toward the bead clamps of the bead feeding structure. The pinch roller 124 deflects and expands along with the upward sliding of the sliding frame 122 in the opposite direction, and then slides upwards to the downward starting position in the opposite direction, namely, the bead pressing station continues to press beads for the next time.

A magnet 127 is also included to increase the sliding resistance of the slider 125. The magnet 127 can be directly arranged on the sliding part 125 to adsorb the fixing plate 121, so as to increase the resistance between the sliding part and the fixing plate 121, further delay the sliding of the sliding part 125, ensure that the clamping wheel 124 clamps or opens before, and then drive the sliding part 125 to slide, so as to clamp the beads on the bead guide rod 1 first and then drive the beads, and open the corresponding pair of clamping wheels first, then reset to the bead pressing station, and press the beads next time. In this embodiment, the magnet 127 is disposed on the back surface of the fixing plate 121, and attracts the sliding member 125.

A sliding rail assembly is arranged between the fixed plate 121 and the sliding frame 122; a guide groove 1240 and a guide post 1241 for positioning and installing the clamping wheel 124 are arranged between the sliding frame 122 and the corresponding end of the clamping wheel 124, and the corresponding end of the clamping wheel 124 can be arranged in a sliding and rotating way by matching the guide post 1241 with the guide groove 1240; the sliding direction of the guide groove 1240 is vertical to the sliding direction of the sliding frame 122; the guide groove 1240 is arranged on the sliding frame 122; the guide posts 1241 are disposed at respective ends of the pinch rollers 124.

The at least one pair of clamping wheels 124 are symmetrically arranged, and the symmetrically arranged clamping wheels 124 can keep the ball guide rod 1 stably positioned. The pinch roller 124 is an eccentric wheel or a cam. The part of the clamping wheel 124, which is at least matched with the ball guide rod 1, is arc-shaped or wheel-shaped. That is, the clamping wheel 124 may also be a deformed simple clamping wheel, for example, the matching position of the clamping wheel and the ball guide rod 1 is a smooth arc or wheel, and other parts not matching with the ball guide rod 1 may be set to any other shapes.

The sliding frame 122 is provided with a rack or a strip-shaped gear 129, the first driver 123 is a driving motor or a power input shaft, and the driving motor or the power input shaft is provided with a gear 128 matched with the rack or the strip-shaped gear 129. In this embodiment, the first driver 123 is a driving motor disposed on the second fixing frame 107.

The sliding rack 122 is a U-shaped sliding rack 122, and the fixing plate 121, the clamping roller 124 and the sliding member 125 are disposed in a U-shaped groove of the U-shaped sliding rack 122.

The embroidery machine also comprises a controller for controlling and coordinating all the drives, such as all the motors and cylinders, wherein the controller can be independently arranged or can adopt a controller of the embroidery machine.

An embroidery machine comprises a machine body 2 and at least one machine head 21 arranged on the machine body 2, wherein a bead feeding device capable of conveying multi-color or/and multi-specification beads is arranged on one side or two sides of the at least one machine head 21 and any one scheme or any combination of the schemes. The bead feeding device can be arranged on the cross beam 3 of the machine head 21 or the machine body. The bead feeding device can be arranged on the machine head shell or the needle bar frame, and the specific installation position or structure can be matched with the corresponding needle bar on the machine head.

The bead feeding device can be fixedly installed on one side of the corresponding machine head through a bracket, in this embodiment, the cross beam 3 is provided with a connecting frame 4 for installing and connecting the bead feeding device 300, the bead feeding mechanism or/and the connecting frame bead feeding mechanism 100 of the bead conveying mechanism 200, and the connecting frame 4 can be a continuous integral connecting frame or a discontinuous connecting frame with the middle part separately connected with the cross beam 3. In this embodiment, the connecting frame 4 includes a first connecting frame 41 connected to the bead feeding mechanism 301 of the bead feeding device 300 via a third connecting frame 43 and a second connecting frame 42 connected to the first connecting frame 41, and the second and third connecting

frames

42 and 43 are discontinuous connecting frames and connected to the body beam 3. The bead feeding mechanism 200 and the bead feeding mechanism 100 are integrally connected by the intermediate connecting frame 5, and the mounting seat 115 is connected to the third connecting frame 43, preferably, to the cross beam 3 by the third connecting frame 43.

Claims

1. A bead feeding device capable of embroidering multi-color or/and multi-specification beads is characterized in that: comprises a bead guide rod, a bead feeding mechanism and a bead conveying mechanism;

the bead conveying mechanism comprises a ball conveying mechanism,

each group of conveyors is matched with the corresponding bead guide rod, each group of conveyors comprises a carrier plate and at least one bead conveying wheel arranged on the carrier plate, the bead guide rod is wound on at least one conveying wheel or/and wound between at least more than two conveying wheels, and the conveying wheels are used for positioning the bead guide rod and conveying the beads on the bead guide rod;

the bead feeding mechanism comprises a bead feeding mechanism,

2. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: the bead feeding structure comprises a bottom plate, a bead clamp and a driving plate, wherein the bead clamp is arranged on the bottom plate in a sliding mode, the driving plate drives the bead clamp to move forwards to feed beads and move backwards to receive the beads, the bead clamp moves forwards and clamps along with the driving plate, and the bead clamp moves backwards and opens along with the driving plate; the bottom plates of the bead feeding structures of the at least two groups of bead feeding devices are integrated, and the bead clamps and the driving plates of the corresponding bead feeding structures are arranged at corresponding positions of the integrated bottom plates in a sliding mode.

3. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1 or 2, characterized in that: the ball feeding driver comprises a first motor arranged on the second fixing frame and a swing rod arranged on the first motor, wherein a sliding plug and a driving column which are matched with each other to drive the driving plate to slide are arranged at the tail end of the swing rod and corresponding to the driving plate arranged on the ball feeding structure.

4. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 3, wherein: a synchronous belt and belt wheel transmission assembly is arranged between the swing rod and the first motor; the swing rod is rotatably arranged at the corresponding position on the second fixing frame, one end of the swing rod is coaxially connected with a belt wheel, the other end of the swing rod is matched with a bead feeding structure entering a bead feeding station bead feeder, the shaft of the first motor is connected with another belt wheel, and a synchronous belt is arranged between the two belt wheels.

5. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: the bead feeder switching structure is connected and arranged between the second fixing frame and the first fixing frame; the switching structure of the bead feeder is a pneumatic rod, a hydraulic rod, a linear motor or a screw rod assembly with a driving shaft which drives the corresponding bead feeder to enter a bead feeding station.

6. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1 or 4, characterized in that: and a guide sliding rail component is arranged between the first fixing frame and the second fixing frame of the bead feeder switching structure.

7. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: the bead conveying mechanism is characterized by further comprising a lifting mechanism connected with the second fixing frame, an intermediate connecting frame connected with the bead conveying mechanism and the bead conveying mechanism is arranged between the second mounting frame and the second fixing frame, and the lifting mechanism is arranged on the intermediate connecting frame.

8. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: the bead guide rod of each bead feeding structure is provided with a bead pressing structure for driving and pressing beads output on the bead guide rod.

9. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 8, wherein: the bead pressing structure comprises a fixing plate, a sliding frame sliding to and fro relative to the fixing plate and a first driver driving the sliding frame to slide to and fro, the fixing plate is arranged at a corresponding position on a first fixing frame, at least one pair of clamping wheels matched with each other is arranged between the sliding frame and the fixing plate, the pair of clamping wheels are arranged at two sides of a bead guiding rod, one end of each clamping wheel matched with each other is rotatably arranged on the fixing plate, the other end of each clamping wheel is rotatably arranged on the sliding frame, the corresponding pair of rotating shaft centers at two ends of each clamping wheel are arranged in a non-concentric mode, the clamping wheels slide along with the sliding frame in one direction and deflect to clamp beads on the bead guiding rod and drive the beads, and the clamping wheels slide along with the sliding frame in the opposite direction and.

10. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 9, wherein: the fixed plate is also provided with a slidable sliding part, one end of the clamping wheel which is mutually matched can be rotatably arranged on the sliding part, the other end of the clamping wheel can be rotatably arranged on the sliding frame, the rotating axes at the two ends of the clamping wheel are arranged in a non-concentric mode, the clamping wheel deflects and clamps along with the sliding frame and slides towards one direction after lagging, and the clamping wheel deflects and opens along with the sliding frame and slides towards the other direction after lagging.

11. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 10, wherein: the fixed plate is provided with a guide groove for positioning and guiding the sliding part to slide; and a magnet for increasing the sliding resistance of the slider.

12. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 9, 10 or 11, wherein: a sliding rail assembly is arranged between the fixed plate and the sliding frame; and a guide groove and a guide pillar for positioning and installing the clamping wheel are arranged between the sliding frame and the corresponding end of the clamping wheel, and the corresponding end of the clamping wheel can slide and rotate through the matching of the guide pillar and the guide groove.

13. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 9 or 10, wherein: the at least one pair of clamping wheels are symmetrically arranged.

14. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 13, wherein: the clamping wheel is an eccentric wheel or a cam; the matching part of the clamping wheel and the ball guide rod is arc-shaped or wheel-shaped.

15. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 12, wherein: the sliding frame is provided with a rack or strip-shaped teeth, the driver is a driving motor or a power input shaft, and the driving motor or the power input shaft is provided with a gear matched with the rack or the strip-shaped teeth; the sliding direction of the guide groove is vertical to the sliding direction of the sliding frame.

16. The bead feed apparatus of embroiderable multi-color or/and multi-specification beads of claim 15 wherein: the sliding frame is a U-shaped sliding frame, and the fixed plate and the clamping wheel are arranged in a U-shaped groove of the U-shaped sliding frame; the guide groove is arranged on the sliding frame, and the guide pillar is arranged at the corresponding end of the clamping wheel.

17. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: and a second sliding rail assembly is arranged between the first mounting frame and the second mounting frame, and the conveyor switching structure is arranged on the second mounting frame and drives the first mounting frame to slide so as to drive the corresponding conveyor to be switched to enter a working position.

18. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1 or 17, wherein: the conveyor switching structure comprises a second motor arranged on the second mounting frame, a second screw rod connected with a second motor shaft, and a second sliding sleeve matched with the second screw rod, wherein the second sliding sleeve is arranged on the first mounting frame.

19. The bead feed apparatus of embroiderable multi-color or/and multi-specification beads of claim 17 wherein: the conveying wheels of each group of conveyors are provided with at least two, the corresponding ball guide rods penetrate between the at least two conveying wheels, and the at least two conveying wheels are used for positioning and clamping the ball guide rods; the conveying wheel driver drives a conveying wheel of the conveyor entering the working position to rotate, and a transmission structure is arranged between the at least two driving wheels.

20. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1 or 19, wherein: the conveying wheels are provided with at least four conveying wheels, wherein two conveying wheels form a pair of clamping wheels, the bead guide rod penetrates between the two conveying wheels forming the clamping wheels, the bead guide rod is wound between other conveying wheels or/and wound on other conveying wheels, and a transmission structure is arranged between the at least four conveying wheels.

21. The bead feed apparatus of embroiderable multi-color or/and multi-specification beads of claim 20 wherein: the transmission structure is a gear or/and a belt pulley.

22. The bead feed apparatus of embroiderable multi-color or/and multi-specification beads of claim 20 wherein: the conveying wheel driver comprises a third motor arranged on the second mounting frame, and the third motor is in transmission fit with one of the conveying wheels through a gear or a belt.

23. The bead feeding apparatus of embroiderable multicolor or/and multi-specification beads as claimed in claim 1, wherein: and the controller is used for controlling and coordinating each drive.

24. The utility model provides an embroidery machine, includes the organism, sets up at least one aircraft nose on the organism, its characterized in that: one side or two sides of at least one machine head are provided with the bead feeding device of the embroiderable multi-color or/and multi-specification beads as claimed in any one of claims 1 to 23.

25. The embroidery machine as claimed in claim 24, wherein: the cross beam is provided with a connecting frame which is connected with the bead supply device, the bead feeding mechanism or/and the bead conveying mechanism in an installing way.