CN103316844A - Screening mechanism for ball beads with asymmetrical inner structures on two end faces - Google Patents

Screening mechanism for ball beads with asymmetrical inner structures on two end faces Download PDF

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Publication number
CN103316844A
CN103316844A CN2013102842616A CN201310284261A CN103316844A CN 103316844 A CN103316844 A CN 103316844A CN 2013102842616 A CN2013102842616 A CN 2013102842616A CN 201310284261 A CN201310284261 A CN 201310284261A CN 103316844 A CN103316844 A CN 103316844A
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China
Prior art keywords
ball
screening
sorting
boss
cam
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CN2013102842616A
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Chinese (zh)
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CN103316844B (en
Inventor
廖小平
郑羽嘉
陈标
韦佳洵
诸葛琰
白艳新
云庆乾
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广西大学
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Abstract

A screening mechanism for ball beads with asymmetrical inner structures on two end faces comprises a feed mechanism, a screening mechanism body, a positioning mechanism and a power mechanism. The feed mechanism is used for preliminarily screening the ball beads and feeding the same into the screening mechanism body. The screening mechanism body comprises a screening working area, a boss identifier, a boss spring and a boss base. The boss identifier is connected with the boss base through the boss spring, and a reciprocating mechanism which can move up and down is formed to be connected with the bottom of the screening working area in a matched manner so as to judge whether the ball beads are in appropriate poses or not. The screening working area pushes the qualified ball beads into the positioning mechanism, and discharges the unqualified ball beads from an abandon gate by the aid of resistance of a sorting plate and a guide plate. The positioning mechanism is used for positioning ball bead poses and storing the screened ball beads. The power mechanism powers the feed mechanism and the screen mechanism body. By the screening mechanism easy to mount and low in cost, the ball beads with appropriate poses can be screened out fast and fed into a station box, accuracy can reach 100%, and labor intensity of workers can be lowered evidently.

Description

The sorting mechanism of the asymmetric ball of a kind of both ends of the surface inside structure
Technical field
The present invention relates to the tool mechanism in mechanical frock field, particularly miniature workpiece, specifically the sorting mechanism of the asymmetric ball of a kind of both ends of the surface inside structure.
Background technology
In the existing automatic jig, the clamping of large-scale workpiece, location, assembling are comparatively ripe, realize that automation is comparatively easy.For the assembling of miniature workpiece, if for internal-external structure symmetrical workpiece all, need not to consider the workpiece pose, realize that the automation clamping is comparatively easy; For the assembling such as the windshield wiper shower nozzle that ball is housed, the ball nozzle diameter is little, be generally less than 10mm, the both ends of the surface inside structure is asymmetric and have the pose of installation that requirement is arranged, and mostly also adopts at present manual positioning action, need to spend most of the time on workpiece feeding and location, realize that automation pose location acquires a certain degree of difficulty, most of middle-size and small-size accessory manufacturing enterprise all is to adopt manual assembly, it is high that artificial easily fatigue causes assembling fault rate, and efficient is low.Realize the automation assembling, key is how automatic sorting meets the ball arrangement of pose in order to realizing automatically assembling.
Summary of the invention
The object of the present invention is to provide a kind of mechanism that can filter out the ball of specific pose, solve slow, the inefficient problem of traditional-handwork breakneck acceleration.
The present invention achieves the above object by the following technical programs: the sorting mechanism of the asymmetric ball of a kind of both ends of the surface inside structure, comprise intake mechanism, sorting mechanism, detent mechanism and actuating unit, intake mechanism is connected with a side of sorting mechanism, detent mechanism is connected with the end of sorting mechanism, and actuating unit is connected with sorting mechanism with intake mechanism;
Described intake mechanism, comprise primary election mechanism and single choice cam mechanism, primary election mechanism comprises primary election funnel and dispatch tube, the primary election funnel is connected with dispatch tube, the diameter of dispatch tube is greater than the path of ball to be screened and less than the large footpath of ball to be screened, dispatch tube is curved design, is transitioned into level from plumbness; Dispatch tube is connected with the afterbody of single choice cam mechanism, and the single choice cam mechanism comprises feeding cam mechanism, single choice device and positioning bead, and the feeding cam mechanism is connected with the single choice device, and to single choice device transmitting thrust; Positioning bead is installed on the single choice device, prevents that the ball that enters sorting mechanism from returning the single choice device;
Described sorting mechanism comprises screening operation district, boss identifier, boss spring and boss base, and the design of boss identifier cooperates with ball to be screened; The boss identifier is connected with the boss base by boss spring, forms a reciprocator that can move up and down and is connected with the bottom surface in screening operation district, is used for judging whether the ball pose is suitable; The screening operation district comprises and abandons door, screening operation district end cap, sorting plate and guided plate, abandon door and be installed in the side in screening operation district with the single page form, outlet for defective ball, be used for when the feeding cam mechanism pushes the screening operation district to defective ball, a slight resistance is provided, so that defective ball is unlikely to drop, and when screening, provides with guided plate and make a concerted effort, defective ball is gone out from abandoning door row according to certain path; Sorting plate is used for stopping that the inappropriate ball of pose enters detent mechanism;
Described detent mechanism comprises positioning box and station box, and positioning box is connected with the screening operation district, and the place ahead of positioning box is guided plate, and the top of positioning box is sorting plate; The station box is connected with positioning box, is used for depositing the ball that has screened;
Described actuating unit comprises bevel gear, camshaft, screening cam mechanism and power source, and power source is connected with the screening cam mechanism, and the screening cam mechanism is connected with the feeding cam mechanism with camshaft by bevel gear.
The one side of described boss identifier is conical design, and another side designs for concave shaped, is convenient to cooperate with ball to be screened.
Described guided plate is made arc by rigid material.
Described positioning box designs for buckle, can carry out the size fine setting; The shape of cross section of positioning box and ball profile are fitted, and prevent that the ball pose that screens from changing again.
The present invention utilizes the asymmetric characteristics of inside workpiece structure, filters out in advance the workpiece that meets pose and sends into the station box, has removed workman's time-consuming maximum feeding link in frock from.Compared with prior art, its outstanding advantages finds expression in:
1, can the rapid screening pose qualified little ball is also sent into the station box, and efficient is high.
2, rate of accuracy reached 100%, and can significantly reduce workman's labour intensity.
3, easily install, cost is low.
Description of drawings
Fig. 1 is the overall structure figure of the sorting mechanism of the asymmetric ball of both ends of the surface inside structure of the present invention.
Fig. 2 is the structural representation of intake mechanism of the present invention.
Fig. 3 is the structural representation of sorting mechanism of the present invention and detent mechanism.
Fig. 4 is the structural representation of the reciprocator that is formed by connecting by boss identifier, boss spring and boss base of the present invention.
Fig. 5 and Fig. 7 are the described forward screening of embodiment schematic diagram.
Fig. 6 and Fig. 8 are the schematic top plan view of the described forward screening of embodiment.
Fig. 9 is the described negative sense screening of embodiment schematic diagram.
Figure 10 is the described negative sense screening of embodiment schematic top plan view.
Figure 11 is described other situation screening schematic diagrames of embodiment.
Figure 12 is described other situation screening schematic top plan view of embodiment.
Figure 13 is the structural representation of actuating unit of the present invention.
Figure 14 is the structural representation of positioning box cross section of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further.
Structure installation of the present invention and operation principle are as follows:
As shown in Figure 1, the sorting mechanism of the asymmetric ball of a kind of both ends of the surface inside structure, comprise intake mechanism, sorting mechanism, detent mechanism and actuating unit, intake mechanism is connected with a side of sorting mechanism, detent mechanism is connected with the end of sorting mechanism, and actuating unit is connected with sorting mechanism with intake mechanism.
As depicted in figs. 1 and 2, described intake mechanism, comprise primary election mechanism and single choice cam mechanism, primary election mechanism comprises primary election funnel 1 and dispatch tube 2, primary election funnel 1 is connected with dispatch tube 2, the diameter of dispatch tube 2 is greater than the path of ball to be screened and less than the large footpath of ball to be screened, ball to be screened is by gravity fall own; Dispatch tube 2 is curved design, is transitioned into level from plumbness, so that ball both ends of the surface to be screened are as far as possible parallel with horizontal plane to realize higher screening rate; Through the screening of primary election mechanism, the ventricumbent pose of definition ball inner cone is qualified, and other poses are defective.Dispatch tube 2 is connected with the afterbody of single choice cam mechanism on the Z axis positive direction, the ball that feeding is just chosen.The single choice cam mechanism comprises feeding cam mechanism 3, single choice device 4 and positioning bead 5, and feeding cam mechanism 3 is connected with single choice device 4, and to single choice device 4 transmitting thrusts, ball is pushed sorting mechanism; Positioning bead 5 is installed in the stem in the nearly screening operation district of single choice device 4, plays position-limiting action, can prevent that the ball extruding under the thrust of screening cam mechanism 8 that pushes the screening operation district via the feeding cam mechanism from returning single choice device 4.The left side of single choice device 4 is provided with a hole identical with dispatch tube 2 cross sections, single choice device 4 front and back hollows, and top and bottom are respectively equipped with two apertures relative with positioning bead 5.
As shown in Figure 3 and Figure 4, described sorting mechanism comprises screening operation district, boss identifier 12, boss spring 13 and boss base 14, and boss identifier 12 one sides are conical design, and another side designs for concave shaped, is convenient to cooperate with ball to be screened; Boss identifier 12 is connected with boss base 14 by boss spring 13, forms a reciprocator that can move up and down and is connected with the bottom surface in screening operation district, for judging whether the ball pose is suitable; The screening operation district comprises and abandons door 10, screening operation district end cap 11, sorting plate 15 and guided plate 16, abandon door 10 and be installed in the side in screening operation district with the single page form, outlet for defective pose ball, be used for when feeding cam mechanism 3 pushes the screening operation district to ball to be screened, a slight resistance is provided, so that ball to be screened is unlikely to drop, and when screening, provide with joint efforts with guided plate 16, defective ball is gone out from abandoning door row according to certain path, and guided plate 16 is made arc by rigid material; Sorting plate 15 is used for stopping that the inappropriate ball of pose enters detent mechanism;
Described detent mechanism comprises positioning box 17 and station box 18, and positioning box 17 is connected with the screening operation district, and the place ahead of positioning box 17 is guided plate 16, and the top of positioning box 17 is sorting plate 15; The ball that it is qualified that positioning box 17 is pose enters the buffer portion of station box 18, and as shown in figure 14, positioning box 17 can carry out the size fine setting, to adapt to the ball difference in size of different batches for buckle designs; The shape of cross section of positioning box 17 and ball profile are fitted, and prevent that the ball pose that screens from changing again.Station box 18 is connected with positioning box 17, is used for depositing the ball that has screened, and prepares for entering the punching press link, when sorting mechanism filters out the forward ball, then just in time the ball that has screened in the detent mechanism is pushed punching press and clamps station.
As shown in figure 13, described actuating unit comprises bevel gear 6, camshaft 7, screening cam mechanism 8 and power source 9, power source 9 is connected with screening cam mechanism 8, screening cam mechanism 8 is connected with camshaft by bevel gear 6 and is fed cam mechanism 3 and be connected, can streamline organizations, save power source, each stroke of cam mechanism is so that ball moves the distance in a large footpath of ball; Simultaneously, the stroke of two cam mechanisms is staggered, reach the purpose that two cam mechanisms share a motor.Screening cam mechanism 8 closely is connected with sorting mechanism, is used for auxiliary judgment and ball is pushed corresponding station.
The impulse stroke of cam mechanism is as shown in table 1 below.During this time 120 °-180 ° and 330 ° of-360 ° of two cam mechanisms are idle running, have enough time to enter next station for guaranteeing ball.
Table 1 Cam Design
Sorting mechanism screening forward ball of the present invention, negative sense ball and other situation screening processes are described in detail as follows:
1, forward ball screening process
Such as Fig. 5-shown in Figure 8, when qualified ball enters sorting mechanism, because the conical surface, then just in time can cooperate with boss identifier 12, be unlikely to perk down, namely the peak of ball is in sorting plate 15 belows.When 8 motion of screening cam mechanism, owing to not being subject to the restriction of sorting plate 15, add 12 designs of convex platform identifier round and smooth, can take advantage of a situation boss identifier 12 is depressed the sorting mechanism bottom surface, so, qualified ball can be pushed into station box 18.
2, negative sense ball screening process
As shown in Figure 9 and Figure 10, when defective ball enters sorting mechanism, because ball can not cooperate with boss identifier 12, then the peak of ball must be higher than sorting plate 15, the power of screening cam mechanism 8 then can not push ball positioning box 17 by force, on the contrary, under the effect of sorting plate 15, ball is moved by the past door 10 of abandoning of making a concerted effort of thrust and sorting plate 15 resistances, because the positioning bead 5 of single choice cam mechanism be so that defective ball can not be got back to the single choice cam mechanism by single choice device 4, can only and abandon orderly discharge sorting mechanism under the acting in conjunction of door 10 at guided plate 16.Abandoning door 10 and can only open towards the sorting mechanism outside on the sorting mechanism namely can only be pushed open after defective ball is stressed, and can self-return.Effect is when preventing that ball from entering sorting mechanism because the inertia sliding mechanism, and provides one to make a concerted effort with guided plate 16 to ball, makes defective ball get rid of mechanism by certain path.
3, other situation ball screening processes
Other situations refer to after ball enters the single choice cam mechanism through primary election mechanism, other situations except forward or negative sense ball that ball occurs owing to vibrations, inclination or other situations in course of conveying.
Such as Figure 11 and shown in Figure 12, when the ball of other situations entered sorting mechanism, ball can not cooperate with boss identifier 12, and at this moment, the ball peak must be higher than sorting plate 15 even be higher than the screening operation district end cap 11 in screening operation district.And the design of screening operation district end cap 11 is with abandoning door 10 design in like manner, can be movable when being subject to external force, namely when ball is higher than the highest of screening operation district, screening operation district end cap 11 can be backed down, and avoid hindering the situation appearance of ball screening.Generally speaking, screening operation district end cap 11 is to be in the horizontal closed state, and purpose is that anti-locking mechanism advances ash.Remaining screening action and negative sense ball screening process in like manner repeat no more.
The whole sorting mechanism of the present invention is simple in structure, easily realizes, really reaches the purpose that reduces working strength, raising speed and reduce error rate.

Claims (4)

1. the sorting mechanism of the asymmetric ball of both ends of the surface inside structure, it is characterized in that, comprise intake mechanism, sorting mechanism, detent mechanism and actuating unit, intake mechanism is connected with a side of sorting mechanism, detent mechanism is connected with the end of sorting mechanism, and actuating unit is connected with sorting mechanism with intake mechanism;
Described intake mechanism, comprise primary election mechanism and single choice cam mechanism, primary election mechanism comprises primary election funnel and dispatch tube, the primary election funnel is connected with dispatch tube, the diameter of dispatch tube is greater than the path of ball to be screened and less than the large footpath of ball to be screened, dispatch tube is curved design, is transitioned into level from plumbness; Dispatch tube is connected with the afterbody of single choice cam mechanism, and the single choice cam mechanism comprises feeding cam mechanism, single choice device and positioning bead, and the feeding cam mechanism is connected with the single choice device, and to single choice device transmitting thrust; Positioning bead is installed on the single choice device, prevents that the ball that enters sorting mechanism from returning the single choice device;
Described sorting mechanism comprises screening operation district, boss identifier, boss spring and boss base, and the design of boss identifier cooperates with ball to be screened; The boss identifier is connected with the boss base by boss spring, forms a reciprocator that can move up and down and is connected with the bottom surface in screening operation district, is used for judging whether the ball pose is suitable; The screening operation district comprises and abandons door, screening operation district end cap, sorting plate and guided plate, abandon door and be installed in the side in screening operation district with the single page form, outlet for defective ball, be used for when the feeding cam mechanism pushes the screening operation district to defective ball, a slight resistance is provided, so that defective ball is unlikely to drop, and when screening, provides with guided plate and make a concerted effort, defective ball is gone out from abandoning door row according to certain path; Sorting plate is used for stopping that the inappropriate ball of pose enters detent mechanism;
Described detent mechanism comprises positioning box and station box, and positioning box is connected with the screening operation district, and the place ahead of positioning box is guided plate, and the top of positioning box is sorting plate; The station box is connected with positioning box, is used for depositing the ball that has screened;
Described actuating unit comprises bevel gear, camshaft, screening cam mechanism and power source, and power source is connected with the screening cam mechanism, and the screening cam mechanism is connected with the feeding cam mechanism with camshaft by bevel gear.
2. the sorting mechanism of the asymmetric ball of both ends of the surface inside structure according to claim 1 is characterized in that, the one side of described boss identifier is conical design, and another side designs for concave shaped, is convenient to cooperate with ball to be screened.
3. the sorting mechanism of the asymmetric ball of both ends of the surface inside structure according to claim 1 is characterized in that, described guided plate is made by the rigid material of arc.
4. the sorting mechanism of the asymmetric ball of both ends of the surface inside structure according to claim 1 is characterized in that, described positioning box designs for buckle, can carry out the size fine setting; The shape of cross section of positioning box and ball profile are fitted, and can prevent that the ball pose that screens from changing again.
CN201310284261.6A 2013-07-08 2013-07-08 Screening mechanism for ball beads with asymmetrical inner structures on two end faces Active CN103316844B (en)

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Application Number Priority Date Filing Date Title
CN201310284261.6A CN103316844B (en) 2013-07-08 2013-07-08 Screening mechanism for ball beads with asymmetrical inner structures on two end faces

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CN103316844B CN103316844B (en) 2015-04-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436978A (en) * 2015-12-24 2016-03-30 嵊州市意海电机配件厂 Mechanical part discharging device applied to production line
CN107934484A (en) * 2017-10-13 2018-04-20 弗埃斯工业技术(苏州)有限公司 Differentiate the device at asymmetric materials and parts both ends

Citations (8)

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Publication number Priority date Publication date Assignee Title
GB457919A (en) * 1935-05-03 1936-12-03 George Spencer Moulton & Co Improvements in and relating to feeding or conveying apparatus more especially for ball sorting mechanism
JPS62168582A (en) * 1986-01-17 1987-07-24 Ntn Toyo Bearing Co Ltd Selector for spherical article
WO1997041974A1 (en) * 1996-05-02 1997-11-13 Sankyo Manufacturing Co., Ltd. Sorter
US6112906A (en) * 1998-11-12 2000-09-05 Intertech Corporation Ball separator system
JP2011036811A (en) * 2009-08-11 2011-02-24 Shin Etsu Polymer Co Ltd Spherical component sorting member and spherical component sorting apparatus
CN202097138U (en) * 2011-04-21 2012-01-04 东南大学 Automatic ball sorter according to diameters
CN103041990A (en) * 2013-01-24 2013-04-17 五莲博大光电科技有限公司 Steel ball sorting machine
CN202984121U (en) * 2013-01-02 2013-06-12 杨俊杰 Device for sorting steel balls

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB457919A (en) * 1935-05-03 1936-12-03 George Spencer Moulton & Co Improvements in and relating to feeding or conveying apparatus more especially for ball sorting mechanism
JPS62168582A (en) * 1986-01-17 1987-07-24 Ntn Toyo Bearing Co Ltd Selector for spherical article
WO1997041974A1 (en) * 1996-05-02 1997-11-13 Sankyo Manufacturing Co., Ltd. Sorter
US6112906A (en) * 1998-11-12 2000-09-05 Intertech Corporation Ball separator system
JP2011036811A (en) * 2009-08-11 2011-02-24 Shin Etsu Polymer Co Ltd Spherical component sorting member and spherical component sorting apparatus
CN202097138U (en) * 2011-04-21 2012-01-04 东南大学 Automatic ball sorter according to diameters
CN202984121U (en) * 2013-01-02 2013-06-12 杨俊杰 Device for sorting steel balls
CN103041990A (en) * 2013-01-24 2013-04-17 五莲博大光电科技有限公司 Steel ball sorting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436978A (en) * 2015-12-24 2016-03-30 嵊州市意海电机配件厂 Mechanical part discharging device applied to production line
CN107934484A (en) * 2017-10-13 2018-04-20 弗埃斯工业技术(苏州)有限公司 Differentiate the device at asymmetric materials and parts both ends
CN107934484B (en) * 2017-10-13 2020-04-07 弗埃斯工业技术(苏州)有限公司 Device for distinguishing two ends of asymmetric material part

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