CN100591595C - Work-piece conveying device - Google Patents
Work-piece conveying device Download PDFInfo
- Publication number
- CN100591595C CN100591595C CN200510084547A CN200510084547A CN100591595C CN 100591595 C CN100591595 C CN 100591595C CN 200510084547 A CN200510084547 A CN 200510084547A CN 200510084547 A CN200510084547 A CN 200510084547A CN 100591595 C CN100591595 C CN 100591595C
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- groove
- atmosphere
- ring
- workpiece
- pedestal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/80—Turntables carrying articles or materials to be transferred, e.g. combined with ploughs or scrapers
Abstract
The invention is to provide a workpiece carrying device capable of stabilizing variation of suction pressure within the enclosure of a workpiece storage even if a workpiece charging rate to a workpiece storage groove varies. The workpiece carrying device is equipped with a table base (2), and a carrying table (3) which is rotatably disposed on the table base (2) and provided with a plurality of workpiece storage groove (4) on the outer peripheral edge. The workpiece carrying device is provided with an annular negative pressure groove (9) on the surface of the carrying table (3) side of the table base (2), and a suction groove (5) on the surface of the table base (2) side of the carrying table (3). The table base (2) is provided with an annular atmosphere groove (11) communicating to the suction groove (5), and a first atmosphere introduction hole communicating to the atmosphere side.
Description
Technical field
The present invention relates in a plurality of workpiece accommodating grooves on being arranged at transport platform to attract the Work transfer device that keeps workpiece and carry, change to the filling rate of workpiece accommodating groove and also can make the Work transfer device of the suction pressure stabilization in the workpiece accommodating groove even particularly relate to workpiece.
Background technology
In the past, while as the Work transfer device that attracts workpiece (electronic component) to carry, the known spy of having opens that clear 54-126719, spy open clear 58-16971, the spy opens the device shown in flat 8-136463 etc.These Work transfer devices can attract a plurality of workpiece simultaneously and carry.
Attracting simultaneously to be accompanied by the high precision int of workpiece in recent years in the device of a plurality of workpiece like this, if workpiece sorting machine for example then attracts the object number further to increase.In addition, in the conveying way of workpiece, workpiece is measured, and discharged a plurality of workpiece at assigned position according to this result.Therefore, the variation of the suction pressure of Work transfer device sometimes becomes big.Below, the variation of its suction pressure is elaborated.
Fig. 5 is a part sectional view of representing Work transfer device in the past, Fig. 6 be expression in the workpiece accommodating groove of the Work transfer device of Fig. 5 during the filling workpiece, suction pressure is with respect to the figure of the variation of workpiece filling rate.
As shown in Figure 5, Work transfer device has pedestal 2, rotation is arranged on the pedestal 2 freely and outer peripheral edges are provided with the transport platform 3 of a plurality of workpiece accommodating grooves 4.On pedestal 2, be provided with via vacuum pipe arrangement 14 and the ring-type negative pressure trough 9 that source 14a is communicated with take place with vacuum, in addition, transport platform 3 is provided with the attraction groove 5 that is communicated with workpiece accommodating groove 4 and ring-type negative pressure trough 9.
As shown in Figure 5, ring-type negative pressure trough 9 is provided with by cutting pedestal 2, and this ring-type negative pressure trough 9 is connected with vacuum pipe arrangement 14 via a plurality of attraction intercommunicating pores 10, described vacuum pipe arrangement 14 be communicated with as the vacuum of vacuum suction mechanism generation source 14a.
Attractive force p about in the ring-type negative pressure trough 9 of Work transfer device shown in Figure 5 will describe by Fig. 6.Fig. 6 represents the example of the suction pressure p in the ring-type negative pressure trough 9, this example corresponding to from the state (filling rate 0%) that workpiece accommodating groove 4, do not load workpiece W fully to the state (filling rate 100%) that in all workpiece accommodating grooves 4, all is filled with workpiece W.
As if under the state that in workpiece accommodating groove 4, does not load workpiece W fully suction pressure being set at the MIN suction pressure P that can attract workpiece W
1, then causing under the situation of empty workpiece accommodating groove 4 minimizings in filling owing to workpiece W, suction pressure P will sharply rise.
Then, if in all workpiece accommodating grooves 4 filling workpiece W, such pressure then will take place change: suction pressure reaches vacuum as negative pressure feeding mechanism the supply capacity of source 14a or the high negative pressure power P by the setting of negative pressure adjuster takes place
2, minimum negative pressure P
1High negative pressure power P
2Difference will become for example several times.
If workpiece filling rate increases in this wise and cause negative pressure to increase sharp, then the attractive force of workpiece W will increase in workpiece accommodating groove 4, and can not discharge the workpiece W in the workpiece accommodating groove 4 reliably in discharge portion.
On the other hand, in discharge portion, if be high negative pressure power P even will set for to the discharge gaseous tension that workpiece sprays as external force for example
2Also can be so that the workpiece W in the workpiece accommodating groove 4 is discharged, then at minimum negative pressure P
1Near, in workpiece accommodating groove 4, to compare discharge pressure strong excessively with the adsorption affinity of workpiece W, causes workpiece to fly out sharp sometimes and make workpiece W damage.In addition, because the variation of the suction pressure in the ring-type negative pressure trough 9, the attractive force in the gap between transport platform 3 and the pedestal 2 changes significantly, with the friction between generation or increase transport platform 3 and the pedestal 2, causes the rotation instability of transport platform 3.
Summary of the invention
The present invention considers this point and proposes, so that following Work transfer device to be provided is purpose: even it is when the filling of carrying out workpiece and discharge, also can reduce the variation of the suction pressure in the workpiece accommodating groove, can in the workpiece accommodating groove, attract and load workpiece with stable suction pressure thus, and can in the workpiece accommodating groove, keep, carry this workpiece, and it stably can be discharged from the workpiece accommodating groove.
Work transfer device of the present invention, it is characterized in that, having pedestal and rotation is disposed on the pedestal and outer peripheral edges are provided with the transport platform of a plurality of workpiece accommodating grooves freely, the face near transport platform of pedestal is provided with the ring-type negative pressure trough that is connected with vacuum generation source via the vacuum pipe arrangement, the face near pedestal of transport platform is provided with the attraction groove that is communicated with each workpiece accommodating groove and ring-type negative pressure trough, attracts groove to be provided with the atmosphere feed mechanism that is communicated with atmospheric side.
Work transfer device of the present invention is characterized in that, the atmosphere feed mechanism have be arranged on the pedestal and with the 1st atmosphere entrance hole of the ring-type atmospheric groove that attracts groove to be communicated with and connection ring-type atmospheric groove and atmospheric side.
Work transfer device of the present invention is characterized in that, the atmosphere feed mechanism has on the transport platform of being arranged at and is communicated with the 2nd atmosphere entrance hole that attracts groove and atmospheric side.
Work transfer device of the present invention is characterized in that, the atmosphere feed mechanism has the atmosphere ingress pipe that is connected in the vacuum pipe arrangement and is communicated with atmospheric side.
Work transfer device of the present invention is characterized in that, the atmosphere ingress pipe is provided with the flow adjusting mechanism.
As mentioned above,, can stablize the change of the suction pressure in the workpiece accommodating groove of the filling that is accompanied by workpiece and discharge, make this change less according to the present invention.Therefore, can in the workpiece accommodating groove, attract and load workpiece, can in this workpiece accommodating groove, keep, conveying workpieces, and can stably discharge workpiece from the workpiece accommodating groove by stable attractive force.
Description of drawings
Fig. 1 is the constructional drawing of an embodiment of expression Work transfer device of the present invention.
Fig. 2 is the part sectional view of expression Work transfer device shown in Figure 1.
Fig. 3 is the part sectional view of the variation of expression Work transfer device of the present invention.
Fig. 4 is the part sectional view of another variation of expression Work transfer device of the present invention.
Fig. 5 is a part sectional view of representing Work transfer device in the past.
Fig. 6 is the figure of expression with respect to the example of the suction pressure of workpiece filling rate.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
Fig. 1 and Fig. 2 are the figure of an embodiment of expression Work transfer device of the present invention.
As shown in Figures 1 and 2, Work transfer device 1 has pedestal 2 and transport platform 3, and this transport platform 3 has atomic little also the rotation freely near pedestal 2 with gap and is provided with thereon, and the outer peripheral edges of this transport platform 3 are provided with a plurality of workpiece accommodating grooves 4.
In addition, the face near transport platform 3 of pedestal 2 is provided with ring-type negative pressure trough 9.This ring-type negative pressure trough 9 is communicated with a plurality of attraction intercommunicating pores 10 on being arranged at pedestal 2, and each attracts intercommunicating pore 10 with vacuum source 14a to take place via vacuum pipe arrangement 14 to be communicated with.In addition, the face near pedestal 2 of transport platform 3 is provided with the attraction groove 5 that is communicated with each workpiece accommodating groove 4 and ring-type negative pressure trough 9, by this attraction groove 5 workpiece accommodating groove 4 inside is remained negative pressure.
In addition, constitute the atmosphere sucker mechanism by ring-type atmospheric groove 11 and the 1st atmosphere entrance hole 12.
As shown in Figure 1, from the workpiece W that Workpiece supply portion 6 supplies with to workpiece accommodating groove 4, be attracted and remain in the workpiece accommodating groove 4, in the process of carrying, measure electrical specification at determination part 7 places by transport platform 3 rotations by the 6a of Workpiece supply mechanism.Then, the workpiece W in the workpiece accommodating groove 4, at discharge portion 8 places from discharging to the outside with the corresponding discharge orifice 8a of electrical specification.
As mentioned above, a plurality of workpiece accommodating grooves 4 that are arranged on the transport platform 3 are communicated with ring-type negative pressure trough 9 as negative pressure feeding mechanism via attracting groove 5 respectively, and attraction groove 5 is communicated with ring-type atmospheric groove 11 as the atmosphere feed mechanism.Ring-type negative pressure trough 9 and ring-type atmospheric groove 11, as shown in Figure 2, cutting is arranged on the pedestal 2, by constituting with 3 one-tenth concentric concentrically ringed endless grooves of transport platform of circle.
Wherein, source 14a takes place via vacuum pipe arrangement 14 with vacuum and is connected in ring-type negative pressure trough 9, described vacuum pipe arrangement 14 is screwed on a plurality of attraction intercommunicating pores 10 that connect pedestal 2 settings, passes through to connect a plurality of the 1st atmosphere entrance holes 12 of pedestal 2 settings to atmosphere opening as the ring-type atmospheric groove 11 of atmosphere sucker mechanism.
In addition, attract groove 5 to constitute by the groove of small section, and extend along radial direction towards ring-type negative pressure trough 9 and ring-type atmospheric groove 11 from workpiece accommodating groove 4, corresponding each the workpiece accommodating groove 4 of the groove of described small section and cutting be arranged on transport platform 3 with pedestal 2 opposed lower surfaces on.
Below, the effect of the present embodiment that is made of such structure is described.In Fig. 1, be seated in successively in the workpiece accommodating groove 4 of transport platform 3 to the workpiece W that Workpiece supply portion 6 supplies with from the 6a of Workpiece supply mechanism, and vacuum suction, the maintenance of the attraction groove 5 that in workpiece accommodating groove 4, is communicated with ring-type negative pressure trough 9.Then, the workpiece W in the workpiece accommodating groove 4, the rotation (direction of arrow) that is accompanied by transport platform 3 is transferred.
Then, in determination part 7, the workpiece W in the workpiece accommodating groove 4 is carried out electrical measurement, and, the workpiece W in the workpiece accommodating groove 4 is discharged to the outside from the discharge orifice 8a of discharge portion 8 according to this measurement result.
Below, the pressure variation in the workpiece accommodating groove 4 is therebetween described.Do not loading in the workpiece accommodating groove 4 of transport platform 3 under the state of workpiece W, the external side end of attraction groove 5 is in the state to atmosphere opening in workpiece accommodating groove 4, and medial extremity is communicated with the state that also roughly is in to atmosphere opening with ring-type atmospheric groove 11.As shown in Figure 2, ring-type negative pressure trough 9 attract groove 5 between the external side end and medial extremity of atmosphere opening, thereby the air in the ring-type negative pressure trough 9 attract the vacuum pipe arrangement 14 on the intercommunicating pore 10 and are attracted by negative pressureization via being screwed to.At this moment, via the air pressure of a plurality of the 1st atmosphere entrance holes 12 in the ring-type atmospheric groove 11 of atmosphere opening with respect to the barometric pressure of workpiece accommodating groove 4 step-down a little.In addition, with respect to by attracting groove 5 point-blank to the workpiece accommodating groove 4 of atmosphere opening, the inspiratory direction of ring-type atmospheric groove 11 sides is and attracts groove 5 rectangular directions, in addition, the 1st atmosphere entrance hole 12 is compared negligible amounts and sectional area and little with attracting groove 5, so with respect to the aeration resistance of workpiece accommodating groove 4, it is big that the aeration resistance of ring-type atmospheric groove 11 sides becomes.Therefore, mainly suck atmosphere from workpiece accommodating groove 4 sides in ring-type negative pressure trough 9, workpiece W attracted in the workpiece accommodating groove 4 easily.
If in the workpiece accommodating groove 4 of transport platform 3, attract to keep workpiece W, though then the external side end of the attraction groove 5 of workpiece accommodating groove 4 sides is closed, atmosphere flows into and stops, but, because can carry out air-breathing from ring-type atmospheric groove 11 sides, so can suppress the rising of degree of vacuum, can remain following state: the negative pressure in the ring-type negative pressure trough 9 with attract to keep workpiece W before state to compare degree of vacuum high slightly.Therefore regardless of workpiece filling rate, compare, can both be set in the scope of the suction pressure sufficient stabilization that makes in workpiece accommodating groove 4 with the state that does not have atmosphere entrance hole 12 to a plurality of workpiece accommodating grooves 4.
In addition,, compare, can prevent to take place the discrete problem of negative pressure of each workpiece because of the importing atmosphere with the situation that directly imports atmosphere to ring-type negative pressure trough 9 by ring-type atmospheric groove 11 being set and importing atmosphere from the 1st atmosphere entrance hole 12.In addition, also can be by baffle plate be set, and the atmosphere entrance hole directly is set on ring-type negative pressure trough 9.
Below, according to Fig. 3 variation of the present invention is described.In Fig. 1 and Fig. 2, cutting is provided with ring-type atmospheric groove 11 and the example that attracts groove 5 on pedestal 2 though show, but as shown in Figure 3, on the roughly midway location of each workpiece accommodating groove 4 and ring-type negative pressure trough 9, the 2nd atmosphere entrance hole 13, the 2 atmosphere entrance holes 13 that are provided with small section are communicated with attracting groove 5 towards following side above transport platform 3.
In variation shown in Figure 3, the part identical with the embodiment of Figure 1 and Figure 2 composed with same mark and detailed.
In Fig. 3,, then to being accompanied by the attraction groove 5 that attracts to keep and be closed, suck atmosphere from the 2nd atmosphere entrance hole 13 if workpiece W is loaded in the workpiece accommodating groove 4.Thus, can stablize negative pressure in the ring-type negative pressure trough 9.In Fig. 3,, also can be obliquely installed the 2nd atmosphere entrance hole 13 with respect to following side towards the mode of the centre of gration direction of transport platform 3 with upper face side though on transport platform 3, be vertically formed the 2nd atmosphere entrance hole 13.
Below, by Fig. 4 other variation of the present invention is described.In the respective embodiments described above, though show the example that the 1st and the 2nd atmosphere entrance hole 12,13 is set in order to suck atmosphere in each workpiece accommodating groove 4, but as shown in Figure 4, can on vacuum pipe arrangement 14, connect the atmosphere ingress pipe 17 that is communicated with atmospheric side via T-joint 15.
In variation shown in Figure 4, the part identical with the embodiment of Figure 1 and Figure 2 composed with identical mark and omitted detailed explanation.
In Fig. 4, be provided with the attraction intercommunicating pore 10 that connects pedestal 2, screwing togather (being threaded) on this attraction intercommunicating pore 10 has vacuum pipe arrangement 14.Take place to be inserted with the T-joint 15 of straight joint side between the 14a of source in vacuum pipe arrangement 14 and vacuum, be connected with atmosphere ingress pipe 17 in the branch connector side of T-joint 15 as the negative pressure path.Atmosphere ingress pipe 17 via flow adjusting mechanism 16 to atmosphere opening.
In Fig. 4, if in workpiece accommodating groove 4, load workpiece W, then reduce from the aspirated volume of air connectivity hole 10 in vacuum pipe arrangement 14, the negative pressure of ring-type negative pressure trough 9 will change.In this case, the part from the air-breathing minimizing of atmosphere intercommunicating pore 10 sides can be supplied in the vacuum pipe arrangement 14 from atmosphere ingress pipe 17 via flow adjusting mechanism 16, can suppress the variation of the negative pressure in the ring-type negative pressure trough 9.
As shown in Figure 4, because only by atmosphere ingress pipe 17 is inserted in the vacuum pipe arrangement 14, just needn't use expensive pressure control device can stablize the interior suction pressure of ring-type negative pressure trough 9, so can access easy and cheap device.In addition, in Fig. 4, since bigger from the air demand of flow adjusting mechanism 16 sides, so wish the feeding capacity of vacuum generation source 14a surplus is arranged.
In addition, T-joint 15 is examples of affiliate, as long as can reduce the aeration resistance of vacuum pipe arrangement 14 sides and increase the aeration resistance of atmosphere ingress pipe 17 sides, also can use the affiliate outside the T-joint 15.
Claims (3)
1. a Work transfer device is characterized in that, have pedestal and rotation and be disposed on the pedestal freely and outer peripheral edges are provided with the transport platform of a plurality of workpiece accommodating grooves,
The face near transport platform of pedestal is provided with the ring-type negative pressure trough that is connected with vacuum generation source via the vacuum pipe arrangement,
The face near pedestal of transport platform is provided with the attraction groove that is communicated with each workpiece accommodating groove and ring-type negative pressure trough,
Attract groove to be provided with the atmosphere feed mechanism that is communicated with atmospheric side,
The atmosphere feed mechanism have be arranged on the pedestal and with the 1st atmosphere entrance hole of the ring-type atmospheric groove that attracts groove to be communicated with and connection ring-type atmospheric groove and atmospheric side,
Attract groove point-blank to the workpiece accommodating groove of atmosphere opening with respect to passing through, the inspiratory direction of ring-type atmospheric groove side is and attracts the rectangular direction of groove that the 1st atmosphere entrance hole is compared negligible amounts and sectional area also not quite with the attraction groove.
2 one kinds of Work transfer devices is characterized in that, have pedestal and rotation and are disposed on the pedestal freely and outer peripheral edges are provided with the transport platform of a plurality of workpiece accommodating grooves,
The face near transport platform of pedestal is provided with the ring-type negative pressure trough that is connected with vacuum generation source via the vacuum pipe arrangement,
The face near pedestal of transport platform is provided with the attraction groove that is communicated with each workpiece accommodating groove and ring-type negative pressure trough,
Attract groove to be provided with the atmosphere feed mechanism that is communicated with atmospheric side,
The atmosphere feed mechanism has on the transport platform of being arranged at and is communicated with the 2nd atmosphere entrance hole that attracts groove and atmospheric side,
Attract groove point-blank to the workpiece accommodating groove of atmosphere opening with respect to passing through, the inspiratory direction of ring-type atmospheric groove side is and attracts the rectangular direction of groove that the 2nd atmosphere entrance hole is compared negligible amounts and sectional area also not quite with the attraction groove.
3. a Work transfer device is characterized in that, have pedestal and rotation and be disposed on the pedestal freely and outer peripheral edges are provided with the transport platform of a plurality of workpiece accommodating grooves,
The face near transport platform of pedestal is provided with the ring-type negative pressure trough that is connected with vacuum generation source via the vacuum pipe arrangement,
The face near pedestal of transport platform is provided with the attraction groove that is communicated with each workpiece accommodating groove and ring-type negative pressure trough,
Attract groove to be provided with the atmosphere feed mechanism that is communicated with atmospheric side,
The atmosphere feed mechanism has the atmosphere ingress pipe that is connected in the vacuum pipe arrangement and is communicated with atmospheric side,
The atmosphere ingress pipe is provided with the flow adjusting mechanism, suppresses the variation of the negative pressure in the ring-type negative pressure trough.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP217064/04 | 2004-07-26 | ||
| JP2004217064A JP4372634B2 (en) | 2004-07-26 | 2004-07-26 | Work transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1733576A CN1733576A (en) | 2006-02-15 |
| CN100591595C true CN100591595C (en) | 2010-02-24 |
Family
ID=35901829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510084547A Active CN100591595C (en) | 2004-07-26 | 2005-07-26 | Work-piece conveying device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4372634B2 (en) |
| KR (1) | KR100757025B1 (en) |
| CN (1) | CN100591595C (en) |
| TW (1) | TWI281903B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4046138B2 (en) | 2006-05-24 | 2008-02-13 | 株式会社村田製作所 | Work transfer device and electronic component transfer device |
| JP4079179B2 (en) | 2006-06-02 | 2008-04-23 | 株式会社村田製作所 | Work transfer device and electronic component transfer device |
| CN103771131B (en) * | 2012-10-19 | 2016-12-21 | 深南电路有限公司 | Material fetching device |
| CN103043437A (en) * | 2012-12-27 | 2013-04-17 | 佛山市顺德区容桂睿诚机械模具厂 | Sucking and releasing wheel |
| TWI752602B (en) * | 2020-08-25 | 2022-01-11 | 萬潤科技股份有限公司 | Electronic component conveying method and device |
| CN113579118B (en) * | 2021-08-18 | 2023-04-18 | 湖北永瑞电子科技股份有限公司 | Cutting device of pencil |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08136463A (en) * | 1994-11-10 | 1996-05-31 | Taiyo Yuden Co Ltd | Appearance inspection device |
| KR200181029Y1 (en) | 1997-06-28 | 2000-05-15 | 정영경 | Opener and closer of water bottle |
-
2004
- 2004-07-26 JP JP2004217064A patent/JP4372634B2/en active Active
-
2005
- 2005-06-22 TW TW094120842A patent/TWI281903B/en active
- 2005-07-04 KR KR1020050059694A patent/KR100757025B1/en active IP Right Grant
- 2005-07-26 CN CN200510084547A patent/CN100591595C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060049815A (en) | 2006-05-19 |
| CN1733576A (en) | 2006-02-15 |
| JP4372634B2 (en) | 2009-11-25 |
| TW200604078A (en) | 2006-02-01 |
| KR100757025B1 (en) | 2007-09-07 |
| TWI281903B (en) | 2007-06-01 |
| JP2006036422A (en) | 2006-02-09 |
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