CN111729848B

CN111729848B - Bead screening method

Info

Publication number: CN111729848B
Application number: CN201910224966.6A
Authority: CN
Inventors: 骆建明; 傅科云; 顾胜良
Original assignee: Zhejiang Guanjiong Intelligent Technology Co ltd
Current assignee: Zhejiang Guanjiong Intelligent Technology Co ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2022-10-18
Anticipated expiration: 2039-03-25
Also published as: CN111729848A

Abstract

The invention discloses a method for screening beads, wherein a conveying carrier carrying positioning bead selector of a conveying mechanism is sequentially subjected to random bead threading screening by a bead threading mechanism, a plug removing mechanism is used for further removing unqualified beads plugged on a bead selecting rod, and finally, qualified beads are put down by a blanking station or/and a blanking mechanism and are used as a cycle, and the cycle is repeated until the bead threading mechanism threads the beads, and then the next cycle is continued, so that continuous bead screening is realized. One or more bead selecting rods can be arranged on the bead selector according to requirements, and one or more bead selectors can be arranged on the conveying mechanism. Can once only be in batches wear more pearls at random in wearing pearl mechanism department, select and can pass the pearl on the selection pearl pole to carry through conveying mechanism in succession and carry and get rid of the mechanism through stifled pearl and finally unload in batches through unloading station or/and unloading mechanism and screen qualified pearl, realized that the pearl can be in batches, screen qualified internal diameter's pearl in batches. The invention has simple structure and is effective in rapid batch screening of the beads.

Description

Bead screening method

Technical Field

The invention relates to a method for screening 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.

Due to the influence of the existing glass material and bead manufacturing technology, the beads manufactured at reasonable cost are maintained, and the inner pore diameters are different and have larger difference. In the process of embroidering, especially the beads with small apertures, the beads are easy to have firing pins and damage embroidery needles, or the beads are omitted on the embroidered ornament, so that the quality of the ornament is influenced. These problems are difficult to meet the requirements of bead embroidery of the embroidery machine. The prior patent discloses an apparatus and method for screening beads one by bead threading, and currently there is no good method or apparatus for rapidly screening beads with unqualified pore diameters in large quantities.

Disclosure of Invention

The invention provides a bead screening method capable of continuously screening beads with unqualified pore diameters in a large batch, aiming at solving the problems that the mixed pore diameter in the existing embroidery beads can not meet the requirement of the bead embroidery and the bead embroidery use is influenced.

The invention solves the technical scheme that the bead screening method comprises the following steps of 1) enabling a bead selector provided with at least one bead selection rod to reciprocate relative to beads through a bead threading mechanism, and screening qualified beads according to a certain probability to thread the qualified beads on the bead selection rod from the end of the bead selection rod; 2) Positioning the bead selector for screening beads by the bead threading mechanism on a continuously running conveying carrier, and removing the blocked beads on a bead selecting rod by the bead blocking removing mechanism in sequence by the bead selector for conveying the beads by the conveying carrier; 3) And (4) conveying the carrier to convey the bead selector with the beads to remove the blocked beads, and then discharging at a discharging station or a discharging mechanism. 4) Conveying the empty bead selecting device to the bead stringing mechanism after blanking by a carrier, and installing the empty bead selecting device on the bead stringing mechanism through a manual or a transfer device to form a cycle; 5) Continuous cycle 1) -4).

As a further improvement. And (2) arranging at least two bead threading mechanisms in the step 1), and completing the steps 2) -5) after the conveying carrier sequentially passes through the corresponding bead threading mechanisms.

As a further improvement. And 2-1) conveying the carrier to convey the bead selector penetrating the beads to remove the blocked beads, passing through a screening mechanism, identifying defective beads on a bead selecting rod of the bead selector by an image monitor at first in the screening mechanism, and smashing or removing the defective beads based on data of identifying broken beads by the image monitor through a bead smashing structure.

As a further improvement. Conveying the carrier to any process or any combination of processes after the step 1) through a bead selector, and purging by a purging mechanism.

As a further improvement. The bead conveying and selecting device conveys beads to drive and press beads on the bead selecting rod to separate from the bead selecting rod through the bead removing device of the blanking mechanism at the blanking station.

As a further improvement. The bead selecting device comprises a base block and a bead selecting rod which is arranged on the base block and used for screening beads and penetrating the beads, wherein the bead selecting rod is provided with an outer diameter for screening qualified inner diameters, at least one bead selecting rod is arranged, and at least one bead selecting device is arranged.

The bead threading mechanism comprises a platform for placing beads, a reciprocating feeding structure which reciprocates relative to the platform and is used for positioning and installing the bead selector so that a bead selecting rod of the bead selector collides with beads in a container or on the platform along with reciprocating feeding and beads are threaded on the bead selecting rod according to probability, and a rack for positioning and connecting relative positions of all the components, wherein the reciprocating feeding structure is provided with an elevation angle structure which drives the bead selector to ascend at a proper elevation angle and keeps the elevation angle state of the bead selector to the elevation angle structure which eliminates the elevation angle after the bead selecting rod is partially or completely separated from the platform and the bead selecting rod is partially or completely separated from the platform on the backward stroke.

As a further improvement. The transfer device is provided with a manipulator for transferring the bead selecting device to switch between the bead threading mechanism and the conveying mechanism.

As a further improvement. Connecting structures for positioning and connecting the bead selector are arranged between the base block of the bead selector and the bead threading mechanism and between the base block of the bead selector and the conveying carrier; the connecting structure comprises a connecting hole and a connecting block which are clamped with each other.

As a further improvement. The connecting structure also comprises magnetic bodies which are mutually adsorbed between the base block of the bead selector and the bead threading mechanism and between the base block of the bead selector and the conveying carrier.

As a further improvement. The screening mechanism comprises an image monitor arranged on a conveying path of the conveying carrier for monitoring the bead completion degree and a bead crushing structure for receiving a corresponding signal of the image monitor to crush corresponding unqualified beads.

As a further improvement. The bead crushing structure comprises bead crushing clamping openings matched with corresponding beads on the corresponding bead selecting rods, a bead clamping opening driver for driving bead crushing at the bead crushing clamping openings, and a displacement driver for driving the bead crushing clamping openings to move to corresponding bead crushing positions.

As a further improvement. The bead remover comprises a driving wheel, a driving wheel belt or/and a driving pressing plate which are arranged on one side, two sides or the periphery of the bead selecting rod.

As a further improvement. The blocking bead removing mechanism comprises a clamping structure which is arranged on a conveying path of a conveying carrier and matched with the bead selecting rod screening outer diameter of a bead selecting device to pull out blocking beads or broken beads, a clamping driver for driving the clamping structure to clamp and a second position driver for driving the clamping structure to move up and down to pull out the blocking beads.

As a further improvement. The clamping structure is composed of two clamping arms which are arranged on a conveying path of the conveying carrier and matched with the screening outer diameter of the bead selecting rod of the bead selector, and the two clamping arms are provided with linkage structures for driving the two clamping arms to be linked.

As a further improvement. The reciprocating feeding structure comprises a sliding seat and a sliding driver for driving the sliding seat to slide.

As a further improvement. The sliding seat be equipped with the base that can slide along with the sliding seat, the base be equipped with the slope slide that can change the sliding seat angle of elevation, base and sliding seat between be connected with the elastomer that the drive base slided along with the sliding seat, the sliding seat pass the pearl forward the stroke be greater than the base stroke, the base on be equipped with backstop get into the backstop of the second backstop piece that the sliding seat of slope slide moves back and control second backstop piece or withdraw from the starter of backstop position, the sliding seat pass the pearl stroke forward through the slope slide, the sliding seat slide in the slope slide drive select the pearl ware make select the pearl pole to make the sliding seat of elevation angle of elevation and second backstop piece backstop entering slope slide retreat and keep selecting the pearl pole elevation angle state, to selecting the pearl pole part or all break away from the platform, selecting the pearl pole part or break away from the platform completely and then eliminate the elevation angle through the starter and constitute the elevation angle structure.

As a further improvement. The base is provided with a stop base and a first stop block which forces the sliding seat to move relative to the base and enter the inclined slide way along the forward stroke of the sliding seat to the platform.

As a further improvement. The second backstop piece for rotating and set up in the commentaries on classics piece in the suitable department of base, the starter for set up in the base suitable department of the stroke of retreating, with along with the base go forward the corresponding department in commentaries on classics piece bottom cooperate start commentaries on classics piece backstop end, with along with the base retreat the corresponding department in commentaries on classics piece bottom cooperation inclined plane or curved surface slide that the commentaries on classics piece backstop end withdrawed from, suitable department for when the seat that slides drives the selection pearl ware at least part and withdraws from the platform, inclined plane or curved surface slide and along with the corresponding department in commentaries on classics piece bottom cooperation drive commentaries on classics piece that the base removed backstop end withdrawal department.

Compared with the prior art, the bead sorting device is provided with a bead sorting device for inserting and screening beads with qualified inner diameter, a bead threading mechanism matched with the bead sorting device and used for inserting scattered beads on a bead selecting rod of the bead sorting device, a bead blocking removing mechanism for removing unqualified blocked beads, a conveying mechanism for positioning and carrying the bead sorting device to pass through a corresponding mechanism or station, and a blanking station or/and a blanking mechanism in sequence. The conveying carrier carrying positioning bead selecting device of the conveying mechanism randomly conducts bead threading screening through the bead threading mechanism in sequence, the plug removing mechanism further removes unqualified beads plugged on the bead selecting rod, and finally qualified beads are put down through the blanking station or/and the blanking mechanism and are used as a cycle to reciprocate until the bead threading mechanism conducts bead threading and then continue the next cycle, so that continuous bead screening is realized. One or more bead selecting rods can be arranged on the bead selector according to requirements, and one or more bead selectors can be arranged on the conveying mechanism. Can once only be in batches wear more pearls at random in wearing pearl mechanism department, select and can pass the pearl on the selection pearl pole to carry through conveying mechanism in succession and carry and get rid of the mechanism through stifled pearl and finally unload in batches through unloading station or/and unloading mechanism and screen qualified pearl, its beneficial effect is that, realized that the pearl can be in batches, screen qualified internal diameter's pearl in batches. The invention has simple structure and is effective in rapid batch screening of the beads.

Drawings

Fig. 1 is a schematic view of the structure of the screening apparatus of the present invention.

Figure 2 is a partially exploded schematic view of the screening apparatus of the present invention.

Fig. 3 is an enlarged schematic view of fig. 2 at a.

Fig. 4 is an enlarged schematic view of fig. 2 at b.

Fig. 5 is an enlarged schematic view at c of fig. 4.

FIG. 6 is an enlarged schematic view of the bead threading mechanism of the present invention.

FIG. 7 is an enlarged schematic view of another perspective of the bead threading mechanism of the present invention.

FIG. 8 is an enlarged side view of the bead threading mechanism of the present invention.

FIG. 9 is an exploded partial schematic view of the bead threading mechanism of the present invention.

FIG. 10 is an exploded partial top view of the bead threading mechanism of the present invention.

FIG. 11 is an exploded partial bottom view of the bead threading mechanism of the present invention.

FIG. 12 is a schematic view of a bead selector of the present invention.

Fig. 13 is an enlarged schematic view at e of fig. 6.

Fig. 14 is an enlarged schematic view at f of fig. 8.

Fig. 15 is an enlarged schematic view at h of fig. 14.

Detailed Description

Referring to fig. 1-15, a method for screening beads includes the steps of 1) passing a bead selector 100 provided with at least one bead selection rod 102 through a bead passing mechanism 200 to and fro relative to beads to screen qualified beads according to a certain probability, and passing the qualified beads on the bead selection rod 102 from the end of the bead selection rod 102; 2) Positioning the bead selector 100 which is screened and beaded by the bead stringing mechanism 200 on a continuously running conveying carrier 401, and sequentially removing the beads blocked on the bead selecting rod by the bead blocking removing mechanism 300 by the bead selector 100 which is conveyed by the conveying carrier 401 and beaded; 3) The conveying carrier 401 conveys the bead selector 100 with beads to remove the blocked beads and then feeds the beads at a feeding station or a feeding mechanism. 4) The conveying carrier 401 conveys the empty bead selecting device 100 to the bead stringing mechanism 200 after blanking, and the empty bead selecting device is installed on the bead stringing mechanism 200 through a manual work or a transfer device 500 to perform bead stringing to form a circulation; 5) Continuous cycle 1) -4).

The step 1) is provided with at least two bead stringing mechanisms 200, and the steps 2) to 5) are completed after the conveying carrier 401 sequentially passes through the corresponding bead stringing mechanisms 200.

The method further comprises the step 2-1) of conveying the carriers 401, conveying the beads to the bead selector 100 which penetrates through the beads, removing the blocked beads, passing through the screening mechanism 600, identifying defective beads on the bead selecting and selecting rod 102 of the bead selector by the image monitor at first in the screening mechanism 600, and breaking or removing the defective beads based on data of broken beads identified by the image monitor through the bead breaking structure.

The transport carrier 401 transports the bead selector to any process or any combination of processes after step 1) to be purged by the purging mechanism.

The conveying carrier 401 conveys the bead selector to drive and press the beads on the bead selecting rod 102 to separate from the bead selecting rod 102 through the bead remover of the blanking mechanism at the blanking station.

Referring to fig. 1 to 15, in order to implement the bead screening method in this embodiment, the bead selector 100 for inserting beads with qualified inner diameters is included, the bead selector 100 includes a base block 101 and a bead selection rod 102 disposed on the base block 101 for screening beads and threading beads, the bead selection rod 102 has an outer diameter of qualified inner diameters, at least one of the bead selection rods 102, and at least one of the bead selector 100. The bead threading mechanism 200 is matched with the bead selector 100 and randomly threads the scattered beads on the bead selecting rod 102 of the bead selector 100. The bead blocking and removing mechanism 300 removes the unqualified beads blocked on the bead selecting rod 102 by clamping or crushing. A blanking station or/and a blanking mechanism, which separates the beads from the bead selecting rod 102 or separates the beads from the bead selecting rod 102 of the inverted bead selector 100 by means of self weight, and can be provided if necessary; (the blanking station and the blanking mechanism are not shown in the attached drawings) the blanking station or the blanking mechanism can be provided with a corresponding material receiving container. The conveying mechanism 400 for carrying the bead selector 100 comprises a conveying carrier 401 which is used for positioning and carrying the bead selector 100, sequentially passes through the bead threading mechanism 200, the bead blocking removing mechanism 300 and finally the blanking station or/and the blanking mechanism, and the conveying carrier 401 is provided with a first driver 402 for driving the conveying carrier 401 to operate.

Connecting structures for positioning and connecting the bead selectors are arranged between the base blocks 101 of the bead selectors 100 and the bead threading mechanisms 200 and between the base blocks 101 of the bead selectors 100 and the conveying carriers 401. The connecting structure comprises a connecting hole 105 and a connecting block 106 which are clamped with each other.

In order to maintain the compact structure, it is preferable to further include a body frame for connecting and positioning the corresponding mechanism or/and structure.

The beads continuously conveyed by the bead threading mechanism 200 are threaded on the bead selecting rod 102 of the bead selector 100 by the relative motion probability.

If a conveyor belt capable of conveying and loading beads is arranged, the bead selecting rod 102 of the bead selector 100 runs relative to the bead selecting rod 102 of the bead selector 100, the bead selecting rod 102 of the bead selector 100 is arranged on the conveyor belt, beads which run relatively are made to penetrate through the bead selecting rod 102 at a certain probability, beads with proper pore diameters penetrate through the bead selecting rod 102, the beads with small pore diameters cannot penetrate through the bead selecting rod 102 to continue to run or block the screening outer diameter of the bead selecting rod, and the subsequent bead blocking and removing mechanism 300 is waited for removing the blocked beads.

For example, a conveyor belt for continuously conveying and carrying beads may be further provided, the beads are freely dropped on the bead selection rod 102 of the bead selector 100 from top to bottom, the bead selection rod 102 beads on the bead selection rod 102 according to a certain probability, the beads cannot pass through the bead selection rod 102 due to a small aperture or the bead selection rod is blocked at the outer screening diameter, and the subsequent bead blocking and removing mechanism 300 is waited to remove the blocked beads.

Referring to fig. 1-3, 6-11, and 13-14, the bead threading mechanism in this embodiment includes a bead threading mechanism 200, which includes a platform 201 for placing beads, a reciprocating feeding structure 202 for reciprocating relative to the platform 201, positioning and mounting the bead selector 100 so that the bead selection rod 102 of the bead selector 100 collides with beads in a container or on the platform 201 as the bead selection rod is fed back and forth, and threading beads on the bead selection rod 102 depending on probability, and a frame 204 for positioning and connecting relative positions of the components, wherein the reciprocating feeding structure 202 is provided with an elevation structure for driving the bead selector 100 to an appropriate elevation angle upward on a stroke of bead threading and retreating, and maintaining an elevation angle state of the bead selector 100 until the bead selection rod 102 is partially or completely separated from the platform 201, and is partially or completely separated from the platform 201 to eliminate the elevation angle, so that the reciprocating feeding structure 202 can effectively prevent beads threaded on the bead selection rod 102 from being pulled down by beads on the platform 201 as much as possible when retreating. Of course, the elevation structure can drive the bead selector 100 to gradually raise upwards during the advancing process of the reciprocating feeding structure 202 so as to facilitate bead threading, and maintain the elevation state during the retreating process until the bead selector 100 partially or completely exits the area where the platform 201 is located. The elevation structure can adopt a cam structure, an electromagnetic push rod structure or an air pressure and hydraulic rod structure to control the elevation at corresponding time, and the bead selection rod 102 of the bead selector 100 is retreated after bead threading and then retreated by bead threading in a reciprocating way.

The platform 201 is provided with a container or a bead hopper for placing beads. The platform 201 may be a box, and in this embodiment, for the convenience of matching with the bead selector 100, it may be a three-sided enclosure, one side of which is open toward the bead selector 100, and a semi-enclosure matching with the bead selector 100, which may be a simple hopper. The frame 204 may be a support frame with a deck 205 laid down in correspondence therewith. In this embodiment, the bead threading mechanism 200 is mounted on a platen 205 for ease of installation.

The reciprocating feeding structure 202 includes a sliding seat 206, and a sliding driver 208 for driving the sliding seat 206 to slide. The mounting plate 207 primarily facilitates the removal of the bead selector 100.

The sliding seat 206 is provided with a base 209, and the base 209 can be connected to the platen 205 through a sliding rail assembly 218. The base 209 is provided with an inclined slide way 210 capable of changing the elevation angle of the slide seat 206, an elastic body for driving the base 209 to slide along with the slide seat 206 is connected between the base 209 and the slide seat 206, the forward bead threading stroke of the slide seat 206 is larger than the stroke of the base 209, the base 209 is provided with a second stop block 212 for stopping the slide seat 206 entering the inclined slide way 210 from retreating and a starter for controlling the stop or retreating stop position of the second stop block 212, the forward bead threading stroke of the slide seat 206 passes through the inclined slide way 210, the slide seat 206 slides into the inclined slide way 210 to drive the bead selector 100 to enable the bead selection rod 102 to ascend the elevation angle and the second stop block 212 to stop the slide seat 206 entering the inclined slide way 210 from retreating to keep the bead selection rod 102 in the elevation angle state, until the bead selection rod 102 partially or completely leaves the platform 201, and then eliminates the elevation angle through the starter to form an elevation angle structure. Because the sliding seat 206 is connected with the base 209 through an elastic body, the sliding driver 208 drives the sliding seat 206, and under the action of the elastic body, the base 209 moves forward or backward along with the sliding seat 206, and because the stroke of the base 209 is smaller than that of the sliding seat 206, in the process of moving forward, the sliding driver 208 can drive the sliding seat 206 to move forward continuously because of the allowance of the elastic body, so that the bead selector 100 generates an elevation angle through the inclined slideway 210, and the starter controls the second stop block 212 to stop the sliding seat 206 from moving backward relative to the base 209. When the sliding seat 206 is retracted, due to the stopping function of the second stopping block 212, the bead selector 100 is located on the inclined slide way 210 when the bead placing point of the platform 201 is located, the elevation angle state of the bead selector 100 is maintained, and after the bead selecting rod 102 of the bead selector 100 is partially or completely separated from the platform 201, the actuator is used for releasing the second stopping block 212 from stopping the sliding seat 206.

In this embodiment, the base 209 is provided with a stop base 209 and a first stop block 211 for forcing the sliding seat 206 to move relative to the base 209 and enter the inclined sliding channel 210 during the forward stroke of the sliding seat 206 toward the platform 201. The forward stroke of the base 209 is controlled by the first stop 211.

Referring to fig. 6, 8-9, and 13-15, the second stop block 212 is a rotary block rotatably disposed at a suitable position of the base 209, and the actuator is an inclined plane or curved slide 213 disposed at a suitable position of the base's backward stroke, cooperating with a corresponding position of the bottom of the rotary block in the process of moving forward with the base 209 to actuate the stop end of the rotary block, and cooperating with a corresponding position of the bottom of the rotary block moving backward with the base 209 to drive the stop end of the rotary block to exit. The inclined or curved slide way 213 is disposed at a proper position of the backward stroke of the base 209 or the sliding seat 206, and by matching with the inclined or curved surface at the corresponding position of the bottom of the rotating block, the stop end of the second stop block 212 can be started to stop into the sliding seat 206 of the inclined slide way 210 when the base 209 moves forward. In this way, the second stop block 212 may default to a stop end up in the stop position by a lever principle or an elastomer setting. The automatic stopping device can be positioned at the automatic stopping position when the device is separated from the inclined plane or the curved slideway 213 without external force by means of self weight or elastic force or torsion of the elastic body, namely the stopping end is automatically opened under the elastic force or torsion of the elastic body or the gravity of the bottom end part positioned at the rotating position and the lever principle. The stopping end of the rotating block of the second stopping block 212 is located at the bottom of the sliding seat 206, and when the sliding seat 206 partially or completely enters the inclined sliding channel 210, the stopping end of the second stopping block 212 is separated from the sliding seat 206 and automatically opens to the stopping position.

In this embodiment, the sliding driver 208 includes a driving motor rotatably mounted on the platen 205, and a transmission block 214 movably or rotatably mounted on the sliding base 206, the transmission block is connected to the driving motor through a screw sliding sleeve structure 215, and the driving motor drives the screw to rotate and drive the transmission block 214 through the sliding sleeve. The sliding seat 206 and the base 209 are bare correspondingly and used for accommodating and installing a screw sliding sleeve or a transmission block 214. One end of an elastic body between the sliding seat 206 and the base 209 is connected with the sliding seat 206, and the other end is connected with the base 209, the elastic body can be a spring sleeved on the screw rod, and one end of the elastic body is propped against the sliding seat 206, and the other end of the elastic body is propped against the base 209 or a baffle 216 arranged at the corresponding position of the base 209.

When the sliding driver 208 of the reciprocating feeding structure 202 drives the sliding seat 206 to move backward, the second stop block 212 in an open state stops the sliding seat 206 to stay on the inclined slide way 210, the sliding seat 206 keeps the elevation angle of the ball selecting rod 102 of the ball selector 100, the base 209 moves backward along with the stopping action of the second stop block 212, when the sliding seat moves backward to the inclined or curved slide way 213, the corresponding end of the bottom of the rotating block of the second stop block 212 is matched with the inclined or curved slide way 213, under the action of the backward-moving force, the bottom of the rotating block of the second stop block 212 is pushed up, the other stop end falls out of the stopping position, the sliding seat 206 moves backward relative to the base 209, the sliding seat 210 exits the inclined slide way 210, the ball selector 100 on the sliding seat 206 falls back, the elevation angle of the ball selecting rod 102 disappears, when the sliding driver 208 of the reciprocating feeding structure 202 drives the sliding seat 206 to move forward, under the action of the elastic body, the base can move forward along with the sliding seat 206, and because the base 209 has a stroke smaller than that of the sliding seat 206, in the process of moving forward, the sliding driver 208 can drive the sliding seat 206 to move forward so as to make the sliding seat 206 to move into the sliding seat 206 to move forward, so that the sliding seat 206 can move into the inclined slide way or move into the inclined slide way, and the sliding seat 206 automatically, and the inclined slide seat 206, and the sliding seat 206 can move forward, and when the sliding seat 206 is opened, and the sliding seat 206.

The inclined surface or curved slide way 213 which is matched with the corresponding position at the bottom of the rotating block to drive the stop end of the rotating block to withdraw can adopt the design of the prior art, and the inclined surface or curved slide way 213 is arranged on the bedplate 205 and is positioned on the stroke of the sliding seat 206. That is, the corresponding end of the second stop block 212 is controlled to rotate by the inclined surface or the curved slide way 213 according to the different positions of the sliding seat 206. The proper position is the position where the sliding seat 206 drives the ball selector 100 to at least partially exit the platform 201, and the inclined surface or curved surface slideway 213 is matched with the corresponding position at the bottom of the rotating block moving along with the base 209 to drive the stopping end of the rotating block to exit. The sliding seat 206 is disposed on the base 209 via rolling wheels, so that the sliding seat 206 can slide smoothly.

The transport carriers 401 may be wheels, chains, and/or belts or other form of transportation known in the art. The transport carrier 401 in this embodiment is a transport chain or belt, driven by drive wheels. The conveyer belt is provided with a station for placing the positioning bead selector 100. The bead selector 100 is positioned on the transport carrier 401 by a connection structure and passes through a corresponding station with the transport carrier.

In order to facilitate blanking, the conveying carrier 401 is located at a blanking station, the conveying carrier 401 or the bead selector 100 is provided with an inverter for driving the bead selecting rod 102 of the bead selector 100 to turn downwards or downwards, the inverter can adopt a track which is twisted and bent downwards in the prior art, and the conveying carrier 401 or/and the bead selector 100 located at the blanking station can be forced to turn downwards through a manipulator or a simple mechanical structure in the prior art so as to enable the bead selecting rod 102 to turn upside down. The turning can be the independent turning of the conveying carrier 401 and the bead selector 100 or the simultaneous turning, and finally the bead selector 100 can be turned, and the bead selecting rod 102 is turned upside down.

Referring to fig. 1-2, in this embodiment, the first driver 402 of the transport carrier 401 includes a driving wheel and a cooperating driven wheel, and the driving wheel is driven to rotate by a motor. The axes of the driving wheel and the driven wheel are horizontally arranged, so that the conveying carrier 401 can move downwards, the blanking station is arranged at any position of the downward moving part, namely, any position of the section of the downward moving part of the bead selecting rod 102 when the bead selector 100 moves downwards along with the conveying carrier 401.

The bead selector 100 can manually install the empty bead selector 100 on the conveying carrier 401 on the sliding seat 206 for operation, or install the bead-threaded conveying carrier on the bead threading mechanism 200 at the empty position of the conveying carrier 401, so that the bead selector 100 conveyed by the conveying carrier 401 passes through the corresponding station, and finally, the bead selector is conveyed to the bead threading mechanism 200 after blanking. In this embodiment, the device further comprises a transfer device 500, and the transfer device 500 can perform the transfer of the bead selecting device 100 through electric control instead of manual operation. That is, the transporter 500 mounts the empty bead selector 100 on the transport carrier 401 on the sliding seat 206 for operation, or mounts the bead-threaded transport carrier on the bead threading mechanism 200 at the empty position of the transport carrier 401, so that the bead selector 100 for transporting beads by the transport carrier 401 passes through the corresponding station, and finally, the bead selector is circularly transported to the bead threading mechanism 200 after blanking.

The transfer device 500 is provided with a robot 501 for transferring the bead selector 100 between the bead threading mechanism 200 and the conveying mechanism 400. The robot 501 is provided with a support frame 502 disposed at a corresponding position of the reciprocating feeding structure 202, and a transfer rail 503 and a transfer driver 504 disposed on the support frame 502 for driving the robot 501 to transfer to a corresponding position, which is a position convenient for the robot 501 to grasp the bead selector 100. In this embodiment, the manipulator 501 is provided with a transfer rail in the front-back, left-right, and up-down lifting directions by a motor screw sliding sleeve, pneumatic or hydraulic drive. Of course, the transfer rail 503 and the transfer driver 504 may be integrated. Of course, the robot 501 may be a conventional multi-axis robot as needed.

In order to simplify the mechanical arm and reduce the cost in this embodiment, the mechanical arm 501 includes a pick-up plate 505, a connecting hole 105 and a first connecting block 506 are disposed between the pick-up plate 505 and the base block 101 of the bead selector 100, and the sliding seat 206 is provided with a mounting plate 207 rotatably disposed on the sliding seat 206 and connected to the bead selector 100. The mounting plate 207 is provided with a second tilter which drives the bead selector 100 to be overturned to a proper position and enables the axial leads of the first connecting block 506 and the connecting hole 105 to be parallel, the second tilter can be a push rod or a stepping motor which drives the mounting plate 207 to be overturned or adopts other prior art, for example, the mounting plate 207 is overturned in the figure 5. Thus, the robot 501 can exactly couple the coupling hole 105 and the first coupling block 506 only by transferring the rails forward and backward, left and right, and up and down and driving. The motion track of the manipulator 501 and the position of the bead selector base block 101 can be matched with the return control system in advance. The manipulator is mainly used for installing or taking the bead selector 100. When the bead selector 100 needs to be replaced, the second inverter drives the mounting plate 207 to invert so that the bead selector 100 on the mounting plate is parallel to the axial lines of the corresponding first connecting block 506 and the corresponding connecting hole 105 on the pick-up plate 505, so that the manipulator 501 picks up the bead selector 100 on the bead threading mechanism 200 and conveys the bead selector to the conveying carrier 401 under the action of a conveying driver which is a conveying track of the pick-up plate 505 in the front-back, left-right and up-down lifting directions, and the conveying carrier 401 conveys the bead selector 100 to pass through a corresponding station for blanking. Meanwhile, the manipulator 501 conveys the ball selector 100 vacant on the conveying carrier 401 to the corresponding mounting plate 207 of the ball threading mechanism 200 under the action of a conveying driver which is a conveying track of the picking plate 505 in the front-back, left-right and up-down lifting directions, and the movement and positioning of the manipulator 501 can be preset to be a required conveying distance in advance and can be positioned.

Preferably, the bead selector 100 is provided with a plurality of bead selecting rods 102, the ends of the bead selecting rods 102 are circular introduction heads, the introduction heads are provided with outer diameters for screening beads, and the outer diameters of the bead selecting rods 102 are smaller than or equal to the outer diameters of the introduction heads. The end of the extending end of the bead selecting rod 102 is provided with a conical or circular leading-in head. The base block 101 of the bead selector 100 is provided with a connecting structure which is matched with the corresponding position of the reciprocating feeding structure 202 or/and the station where the reciprocating feeding structure is located. The connecting structure is a connecting hole 105 provided at the bottom and side of the base block 101, and the side is a surface on which the long side of the base block 101 is located. The base block 101 is provided with a magnetic body so that the connection block 106 can be quickly coupled with the connection hole 105. The connecting holes 105 at the bottom of the base block 101 can be used to connect the conveyor belt of the bead selection apparatus 100.

The base block 101 comprises a first mounting plate for mounting the bead selecting rod 102 and a second mounting plate which is connected to the first mounting plate and used for fixing the first mounting plate and the bead selecting rod 102, the connecting holes 105 are respectively arranged on the first mounting plate and the second mounting plate, the connecting holes in the first mounting plate are matched with connecting blocks arranged on a manipulator picking plate, and the connecting holes in the second mounting plate are matched with the connecting blocks arranged on the mounting plates.

The connection holes 105 may be disposed on the first and second mounting plates, respectively, and the first and second mounting plates cooperate to simplify the mounting process of the ball-selecting rod 102.

In this embodiment, in order to simplify the structure and facilitate the installation, the connection structure further includes magnetic bodies that are attracted to each other between the base block 101 of the bead selector 100 and the bead threading mechanism 200 and between the base block 101 of the bead selector 100 and the transport carrier 401. Therefore, the relative positions of the bead selector 100 and the bead threading mechanism 200 and the relative positions of the bead selector 100 and the conveying carrier 401 can be positioned through the connecting hole 105 and the connecting block 106 which are matched with each other, and meanwhile, the bead selector 100 is prevented from falling off accidentally through mutual magnetic adsorption.

The bead selector 100 may specifically include a bead selecting rod 102, one end of which is fixedly connected to the base block 101, and the other end of which extends outward, at least one bead selecting rod 102 being provided, and the base block 101 being provided with a connecting structure that is matched with a station where the bead selecting rod is located.

The base block 101 comprises a mounting block 103 for mounting the ball selecting rod 102, and a connecting block 104 connected to the mounting block 103 and used for fixing the mounting block 103 and the ball selecting rod. The connecting block 104 is mainly convenient for the bead selection rod 102 to be mounted on the base block 101, and the mounting process of the bead selection rod 102 is simplified.

The connecting structure is a connecting hole 105 provided at the bottom and side surfaces of the base block 101, and the side surfaces are surfaces on which the long sides of the base block are located. The connecting holes 105 may be provided in plural, and may be respectively provided on the mounting block 103 and the connecting block 104.

The base block 101 is provided with a magnetic body which can be used for connecting a conveying belt for conveying the bead selector 100.

The end of the bead selecting rod 102 is preferably provided with a conical or round leading-in head, so that beads can be conveniently and rapidly inserted into the bead selecting rod 102, and the insertion probability of the beads is improved.

The bead breaking device further comprises a screening mechanism 600, wherein the screening mechanism 600 comprises an image monitor arranged on a conveying path of the conveying carrier for monitoring the bead completion degree, and a bead breaking structure 601 for receiving a corresponding signal of the image monitor to break unqualified beads with defects, such as corresponding damage, abnormal shapes and the like. The bead breaking structure 601 comprises bead breaking clamping openings matched with corresponding beads on corresponding bead selection rods, a bead clamping driver for driving the bead breaking clamping openings to break beads, and a displacement driver for driving the bead breaking clamping openings to move to corresponding broken bead breaking positions, the displacement driver can be arranged to be longitudinally and transversely matched according to the orientation requirement of the specific bead selection rods 102 by adopting the prior art, or can be horizontally and vertically matched with the driving structure, and the specific direction is determined according to the orientation of the bead selection rods 102 at the position, and also can be arranged on one side or two sides of the conveying path of the conveying carrier 401. So that the bead breaking clamp opening can be operated to any position of the bead selecting rod 102 on the bead selector 100. The displacement driver can achieve the purpose of walking drive through the matching of corresponding air pressure rods, hydraulic rods or/and linear motors or through the combination of the air pressure rods, the hydraulic rods and the linear motors with necessary guide rails. The bead breaking clamping openings can be arranged to be matched with corresponding beads on corresponding bead selecting rods 102 of the bead selecting device 100 passing through the screening mechanism, and can be arranged to be jaw openings and driven by air pressure, hydraulic pressure, an electromagnetic mechanism or a motor, or can be further driven by the air pressure, the hydraulic pressure, the electromagnetic mechanism or the motor after being combined with a corresponding driving structure in the prior art.

As optimizing, still including setting up the pearl unloading mechanism that is located unloading station department on carrying the 401 transport route of carrier, unloading mechanism includes and carries on the pearl pole to cooperate to drive to press the pearl ware that takes off that the pearl breaks away from on selecting the pearl pole with carrying. The bead remover comprises a driving wheel, a driving pressure wheel belt or/and a driving pressure plate which are arranged on one side, two sides or the periphery of the bead selecting rod 102, the driving pressure wheel belt is taken as an example in the embodiment and comprises a driving wheel and a driven wheel matched with the driving wheel, belts are arranged on the driving wheel and the driven wheel, the driving pressure wheel belt can be arranged on two sides of a conveying path of the conveying carrier 401 and matched with the bead selecting rod 102 of the bead selector 100 conveyed along with the conveying carrier 401 to pass through the bead selecting rod 102, beads on the driving pressure bead selecting rod 102 are separated from the bead selecting rod 102, and bristles can be arranged on the belts. The beads can also be released from the bead selection rod 102 by the rotation of the driving wheel or the relative movement of the driving plate.

Preferably, the device further comprises a purging mechanism arranged on the conveying path of the conveying carrier 401 for purging the bead selecting rod 102, and at least one purger is arranged. At least one purge is disposed at or behind the plugged bead removal mechanism 300. The purging mechanism is primarily used to blow off bead fragments that are attached to the bead selector 100 or/and bead selection rod 102. The blowing mechanism can be provided with one or more blowing openings at the corresponding position of each mechanism according to requirements, and the bead fragments are blown by high-speed air flow.

The bead blocking and removing mechanism 300 comprises a clamping structure 301 which is arranged on a conveying path of a conveying carrier 401 and matched with the screening outer diameter of a bead selecting rod 102 of a bead selector 100 to pull out blocked beads or broken beads, a clamping driver 302 for driving the clamping structure 301 to clamp is provided with a displacement driver 303 for driving the clamping structure 301 to displace, the clamping structure 301 is composed of two clamping arms 304, and a clamping opening is formed between the two clamping arms 304 to clamp or break corresponding beads so as to eliminate the blocked beads.

A synchronization structure 306 is provided between the two gripping arms of the gripping structure 301.

The synchronous structure 306 comprises synchronous connecting rods arranged on the two clamping arms 304, each synchronous connecting rod comprises a first connecting rod and a second connecting rod, the middle parts of the first connecting rod and the second connecting rod are mutually connected in a rotating mode, the first connecting rod and the second connecting rod are arranged in a crossed mode, and two ends of each first connecting rod and two ends of each second connecting rod are respectively movably connected with corresponding ends of the corresponding clamping arms 304. Through the cross rotation connection of the first connecting rod and the second connecting rod, the synchronous action of the two clamping arms 304 can be realized, the plugging beads can be clamped or broken more stably, and other synchronous structures in the prior art can be adopted.

A pair of convex blade-shaped gripping arms 305 are provided between the gripping arms 304, so that the corresponding beads can be gripped more quickly and accurately. The blade-shaped gripping arm 305, which has an upward outward inclination, can exert an upward force on the beads after gripping them, so as to disengage from the bead selection lever 102.

The displacement driver 303 comprises a guide rail 311 for positioning and clamping the sliding structure, an air pressure rod, a hydraulic rod, a linear motor or a driving motor connected with a screw rod sliding sleeve for driving the clamping structure to slide.

The gripper actuator 302 may comprise a pneumatic, hydraulic, linear motor coupled to the gripper arms 304, or a lead screw slide-on drive motor. Corresponding guide rails or sliding rails may also be provided if necessary.

The above-mentioned screw may be a ball screw.

The clamping structure 301 further comprises a connecting plate 310, the two clamping arms 304 are slidably disposed on the connecting plate 310 through a sliding rail assembly, the displacement driver 303 is connected to the connecting plate 310 to drive the clamping mechanism 301 to displace, and the clamping driver 302 is disposed on the connecting plate 310 to drive the clamping arms 304. The grasping drive 302 may be coupled to a grasping arm 304 in conjunction with a synchronization structure 306. Two gripping arms 304 may be provided, one on each side of the gripping arms.

The gripping arm 304 is an elongated shape with a length greater than one bead, and the gripping arm 304 can be specifically set according to the required length, and is not limited in length, so as to be capable of cooperating with the bead selecting rods 102 on more bead selectors 100 at one time to remove or break the blocking beads.

The bead plugging and removing mechanism 300 can be fixed by a column or a support 307 to cooperate with the bead selector 100 carried by the conveying carrier 401 of the conveying mechanism 400, in this embodiment, the support 307 includes a second connecting plate 308 disposed above and a positioning and connecting displacement driver 303.

The displacement driver 303 can be a driving motor, the driving motor is fixed on the second connecting plate 308, the connecting plate 310 is connected through a sliding sleeve on the screw rod, a guide rail 311 for positioning the sliding direction of the connecting plate 310 can be arranged between the connecting plate 310 and the second connecting plate 308, the clamping driver 302 can also be a driving motor and a screw sliding sleeve, the driving motor of the clamping driver 302 is fixedly connected on the connecting plate 310, and the sliding sleeve arranged on the screw rod is connected with any clamping arm 304.

A ball receiving seat 309 may be provided, the ball receiving seat 309 is provided with a third displacement driver, and the third displacement driver may adopt the structure of the clamping driver 302, so as to drive the ball receiving seat 309 to be able to displace to the lower side of the clamping structure 301, and to receive the blocking ball clamped by the clamping mechanism 301.

Claims

1. A method of bead screening, comprising: the steps are as follows,

1) Passing qualified beads screened by a bead selector provided with at least one bead selection rod through the bead passing mechanism and the beads in a reciprocating motion manner according to a certain probability on the bead selection rod from the end of the bead selection rod;

2) Positioning a bead selector for screening beads by a bead threading mechanism on a continuously running conveying carrier, and removing the blocked beads on a bead selecting rod by the bead blocking removing mechanism of the bead selector for conveying the beads by the conveying carrier in sequence;

3) The bead selector for conveying the bead to be penetrated removes the blocked beads and then feeds the beads at a feeding station or a feeding mechanism;

4) Conveying the empty bead selector to a bead stringing mechanism after blanking by a carrier, and installing the empty bead selector to the bead stringing mechanism through a manual work or a transfer device to form a cycle;

5) Continuous cycles 1) -4);

the method is characterized in that a step 2-1) is also included between the step 2) and the step 3), the method comprises the steps that defective beads on a bead selecting rod of a bead selecting device are firstly identified through an image monitor by the screening mechanism after a bead selector for conveying a conveying carrier to pass through beads is removed, and the defective beads are crushed or removed through a bead crushing structure based on data of the bead crushing identified by the image monitor;

the conveying carrier bead conveying and selecting device drives and presses beads on the bead selecting rod to separate from the bead selecting rod through a bead remover of the blanking mechanism at a blanking station;

the bead selector comprises a base block and bead selecting rods which are arranged on the base block and used for screening beads and threading the beads, at least one bead selecting rod is provided with an outer diameter of a screened qualified inner diameter, and at least one bead selector is arranged;

the bead threading mechanism comprises a platform for placing beads, a reciprocating feeding structure which is relatively reciprocated with the platform and is used for positioning and installing a bead selector so that a bead selecting rod of the bead selector collides with beads in a container or on the platform along with reciprocating feeding and threading beads on the bead selecting rod according to probability, and a rack for positioning and connecting relative positions of all parts, wherein the reciprocating feeding structure is provided with an elevation angle structure which is used for driving the bead selector to upwards form a proper elevation angle on a backward stroke and keeping the elevation angle state of the bead selector until the bead selecting rod is partially or completely separated from the platform and the elevation angle is eliminated after the bead selecting rod is partially or completely separated from the platform;

the transfer device is provided with a manipulator for switching the transfer bead selector between the bead threading mechanism and the conveying mechanism;

connecting structures for positioning and connecting the bead selector are arranged between the base block of the bead selector and the bead threading mechanism and between the base block of the bead selector and the conveying carrier;

the screening mechanism comprises an image monitor and a bead crushing structure, wherein the image monitor is arranged on a conveying path of the conveying carrier and used for monitoring the bead completion degree, and the bead crushing structure is used for receiving a corresponding signal of the image monitor and crushing corresponding unqualified beads;

the bead remover comprises a driving wheel, a driving wheel belt or/and a driving pressing plate which are arranged on one side, two sides or the periphery of the bead selecting rod;

the bead blocking and removing mechanism comprises a clamping structure, a clamping driver and a second position driver, wherein the clamping structure is arranged on a conveying path of the conveying carrier and matched with the bead selecting rod of the bead selector to pull out blocked beads or broken beads;

the reciprocating feeding structure comprises a sliding seat and a sliding driver for driving the sliding seat to slide.

2. A method of bead screening as claimed in claim 1, wherein: and (2) arranging at least two bead threading mechanisms in the step 1), and completing the steps 2) -5) after the conveying carrier sequentially passes through the corresponding bead threading mechanisms.

3. A method of bead screening as claimed in claim 1, wherein: conveying the carrier to any process or any combination of processes after the step 1) through a bead selector, and purging by a purging mechanism.

4. The method for bead screening as claimed in claim 1, wherein: the connecting structure comprises a connecting hole and a connecting block which are clamped with each other.

5. A method of bead screening as claimed in claim 1 or 4 wherein: the connecting structure also comprises magnetic bodies which are mutually adsorbed between the base block of the bead selector and the bead threading mechanism and between the base block of the bead selector and the conveying carrier.

6. The method for bead screening as claimed in claim 1, wherein: the bead breaking structure comprises bead breaking clamping openings matched with corresponding beads on the corresponding bead selecting rods, a bead clamping opening driver for driving the bead breaking clamping openings to break beads and a displacement driver for driving the bead breaking clamping openings to move to corresponding bead breaking positions.

7. A method of bead screening as claimed in claim 1, wherein: the clamping structure is composed of two clamping arms which are arranged on a conveying path of the conveying carrier and matched with the screening outer diameter of the bead selecting rod of the bead selector, and the two clamping arms are provided with linkage structures for driving the two clamping arms to be linked.

8. A method of bead screening as claimed in claim 1, wherein: the sliding seat be equipped with the base that can slide along with the sliding seat, the base be equipped with the slope slide that can change the sliding seat angle of elevation, base and sliding seat between be connected with the elastomer that the drive base slided along with the sliding seat, the sliding seat pass the pearl forward the stroke be greater than the base stroke, the base on be equipped with backstop get into the backstop of the second backstop piece that the sliding seat of slope slide moves back and control second backstop piece or withdraw from the starter of backstop position, the sliding seat pass the pearl stroke forward through the slope slide, the sliding seat slide in the slope slide drive select the pearl ware make select the pearl pole to make the sliding seat of elevation angle of elevation and second backstop piece backstop entering slope slide retreat and keep selecting the pearl pole elevation angle state, to selecting the pearl pole part or all break away from the platform, selecting the pearl pole part or break away from the platform completely and then eliminate the elevation angle through the starter and constitute the elevation angle structure.

9. The method for bead screening according to claim 8, wherein: the base is provided with a stop base and a first stop block which forces the sliding seat to move relative to the base and enter the inclined slide way along the forward stroke of the sliding seat to the platform.

10. The method for bead screening as claimed in claim 9, wherein: the second backstop piece for rotating and set up in the commentaries on classics piece in the suitable department of base, the starter for set up in the base suitable department of the stroke of retreating, with along with the base go forward the corresponding department in commentaries on classics piece bottom cooperate start commentaries on classics piece backstop end, with along with the base retreat the corresponding department in commentaries on classics piece bottom cooperation inclined plane or curved surface slide that the commentaries on classics piece backstop end withdrawed from, suitable department for when the seat that slides drives the selection pearl ware at least part and withdraws from the platform, inclined plane or curved surface slide and along with the corresponding department in commentaries on classics piece bottom cooperation drive commentaries on classics piece that the base removed backstop end withdrawal department.