CN100404398C - Work piece transport system - Google Patents

Work piece transport system Download PDF

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Publication number
CN100404398C
CN100404398C CNB2005100822045A CN200510082204A CN100404398C CN 100404398 C CN100404398 C CN 100404398C CN B2005100822045 A CNB2005100822045 A CN B2005100822045A CN 200510082204 A CN200510082204 A CN 200510082204A CN 100404398 C CN100404398 C CN 100404398C
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CN
China
Prior art keywords
workpiece
shaped groove
feed appliance
conveyance system
chute
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Application number
CNB2005100822045A
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Chinese (zh)
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CN1715156A (en
Inventor
小岛智幸
吉泽诚二
水野显治
小平晃久
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TOKYO WELLS CO Ltd
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TOKYO WELLS CO Ltd
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Publication of CN1715156A publication Critical patent/CN1715156A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/001—Article feeders for assembling machines
    • B23P19/004—Feeding the articles from hoppers to machines or dispensers
    • B23P19/005—Feeding the articles from hoppers to machines or dispensers by using flowing gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2433—Detection of presence or absence
    • B23Q17/2447—Detection of presence or absence of a workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/08—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of slides or chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/12—Sorting arrangements
    • 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
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2707/00—Automatic supply or removal of metal workpieces
    • B23Q2707/04—Automatic supply or removal of metal workpieces by means of grippers also magnetic or pneumatic gripping

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Automatic Assembly (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

To provide a work conveying system capable of reliably charging works one by one in a work storage part of a conveying table without stuffing of the works. The work conveying system comprises a vertically arranged table base 2, a conveying table 3 which is rotatably arranged on the table base 2, and a linear feeder 6 arranged orthogonal to the conveying table 3. A separation chute 7 to separate works w fed from the linear feeder 6 one by one is provided between the linear feeder 6 and the conveying table 3. Each work w has a rectangular section, and a feeder 6a of the linear feeder 6 has a first V-shaped groove 9 having a long side 9a and a short side 9b. When a long side 20a of the work w reaches the short side 9b of the first V-shaped groove 9, the work w is dropped from the feeder 6a.

Description

Work conveyance system
Technical field
The present invention relates to workpiece is loaded into the Work conveyance system of carrying in the workpiece incorporating section of conveying workbench singly, especially relate to mutual butt the workpiece that transports separate one by one and supply to Work conveyance system in the workpiece incorporating section of conveying workbench.
Background technology
People know Work conveyance system shown in Figure 9 (with reference to patent documentation 1) for a long time.Among Fig. 9, Work conveyance system has workpiece feed appliance 28 and separation device 29.Wherein, workpiece feed appliance 28 is by forming workpiece W 10The conveying road supporting station 28a and cover to carry the road prevent workpiece W 10The cover 28b of the usefulness of dispersing constitutes, with workpiece W 10Couple together arranging and carry.
Be connected with the separation device 29 in the downstream end of workpiece feed appliance 28, be made of base 22 and the cover 24 that covers access 29a, wherein, base 22 has conveying road with workpiece feed appliance 28 at conplane access 29a.Near the downstream end of access 29a, be provided with the separate pins 25a of workpiece hill holder 25, this separate pins will arranged the workpiece W that carries 10The W of workpiece ahead 11Block and limit it and advance, this separate pins 25a runs through base 22, haunting is located on the access 29a freely.
On base 22, can intermittently be provided with turntable 23 rotatably, the circumference of this turntable 23 has a plurality of workpiece accommodating groove 23a, and when turntable 23 stopped, the downstream end of workpiece accommodating groove 23a and access 29a was opposed.
With the attraction mouth 26 that workpiece income groove 23a is communicated with, perforation base 22 and be arranged on bottom with the opposed workpiece accommodating groove of the downstream end of access 29a 23a, along with the decline of separate pins 25a, the W of workpiece ahead on the access 29a 11Being attracted hole 26 attracts and is loaded in the workpiece accommodating groove 23a.In addition, run through base 22 ground light projector 27a is set, run through cover 24 ground light-receiving device 27b is set, detect the workpiece W that is seated in the workpiece accommodating groove 23a by these light projectors 27a and light-receiving device 27b 11State.
Use light-receiving device 27b, detect workpiece W ahead 11Be loaded in the workpiece accommodating groove 23a, and when being input in the control setup 31, control setup 31 is to the climb command of driver train 25b output separate pins 25a, is projected into separate pins 25a on the access 29a just with subsequent workpiece W 12Block, make itself and workpiece W ahead 11Separate.Simultaneously, utilize the driver train of not shown turntable 23, transfer the turntable 23 that is equivalent to 1 grade (step) off and on.
Patent documentation 1 spy opens 2002-145445
In this Work conveyance system, miniaturization along with part, separate pins 25a is also superfine and fracture easily, and, separate pins 25a and driver train 25b are difficult to pack into, again, bring restriction for the running of device of the action equicontinuity that haunts of separate pins 25a, its result becomes a reason bringing restriction to high speed.
In addition, owing to generally on conveying road 28a and access 29a, be provided with cover 28b, 24, easily produce the workpiece latch up phenomenon.In case produce the workpiece latch up phenomenon, recovery need be taken time, the mechanism of the recovery usefulness that is known as so-called recovery device perhaps is set, owing to must remove the workpiece W that stops up 10So, exist the problem that cost of product raises.
Summary of the invention
The present invention considers this point and is developed to that purpose is to provide a kind of Work conveyance system, and this Work conveyance system does not produce the workpiece latch up phenomenon, workpiece can be loaded into one by one reliably in the workpiece incorporating section of conveying workbench to carry.
Work conveyance system of the present invention is characterised in that it comprises: Pei Zhi table base generally perpendicularly; Rotation is configured on the table base freely and periphery has the conveying workbench of a plurality of workpiece incorporating section; Perpendicular to transportation work tableland configuration, make the mutual butt of workpiece and supply with the straight line feeder of workpiece continuously to the workpiece incorporating section; And be arranged between straight line feeder and the conveying workbench, the separation chute that will separate one by one from the workpiece that straight line feeder is supplied with, straight line feeder has the supply feed appliance, supply with the feed appliance that returns that feed appliance ground was provided with and was configured in supply feed appliance below with being parallel to, supply with feed appliance and have first V-shaped groove, first V-shaped groove comprise with to returning cooresponding long limit, feed appliance side bevelled dip plane, with be positioned at the minor face that returns the feed appliance side, when the stable bottom surface of workpiece is positioned at the long limit of first V-shaped groove, workpiece is in normal transfer position, when the stable bottom surface of workpiece is positioned at the minor face of first V-shaped groove, the center of gravity of workpiece is returned the feed appliance side in the outside of minor face rib portion thereby workpiece is dropped to.
Work conveyance system of the present invention is characterised in that the long limit of supplying with first V-shaped groove of feed appliance is inclined relative to horizontal more than 35 °.
Work conveyance system of the present invention is characterised in that, separates chute and has second V-shaped groove, and this second V-shaped groove forms accordingly with first V-shaped groove of supplying with feed appliance and has long limit and a minor face.
Work conveyance system of the present invention is characterised in that, second V-shaped groove that separates chute is provided with the attraction hole that the workpiece of supplying with from straight line feeder is temporarily attracted and is positioned at and attracts the downstream, hole and to bad workpiece injection air and with the injection hole of its eliminating.
Work conveyance system of the present invention is characterised in that, the bottom surface of the workpiece incorporating section of conveying workbench is corresponding with the long limit of second V-shaped groove that separates chute.
Work conveyance system of the present invention is characterised in that, table base with the corresponding part of second V-shaped groove of separating chute on, be provided with and be attracted to workpiece filling hole in the workpiece incorporating section of conveying workbench separating workpiece on the chute.
Work conveyance system of the present invention is characterised in that, in separating chute, being 1 downstream more than the pitch of workpiece incorporating section from the distance of supplying with feed appliance, is provided with the workpiece sensing sensor.
Work conveyance system of the present invention is characterised in that, in table base, with the cooresponding part of workpiece sensing sensor on be provided with the workpiece discharge orifice.
Work conveyance system of the present invention is characterised in that, the long limit of supplying with the long limit of first V-shaped groove of feed appliance and second V-shaped groove that separates chute at grade, the minor face of the minor face of first V-shaped groove and second V-shaped groove is at grade.
Work conveyance system of the present invention is characterised in that, is controlled by control part from the blast injection of injection hole, so that began to spray before conveying workbench just will begin rotation, just stops to spray after conveying workbench just stops.
As mentioned above, according to the present invention, separate pins as the prior art needn't be set, but utilize attractive force to carry out the supply that separates of workpiece with timing (timing), therefore, can solve about the fractureing and problem such as pack into of separate pins, also can realize the running of continuous device, and can realize high speed.Again,,, therefore, do not need to recover mechanism etc. so can not produce the workpiece latch up phenomenon because of being provided with, so, can carry out the separation of stable workpiece simply and supply with, can reduce cost of product.
Description of drawings
Fig. 1 is the birds-eye view of an embodiment of expression Work conveyance system of the present invention.
Fig. 2 is the front elevation of an embodiment of expression Work conveyance system of the present invention.
Fig. 3 is the figure of expression straight line feeder.
Fig. 4 is the figure of the supply feed appliance of expression straight line feeder.
Fig. 5 is the front elevation that expression separates chute.
Fig. 6 is the lateral plan of expression workpiece filling hole.
Fig. 7 is the lateral plan of expression workpiece discharge orifice.
Fig. 8 is the sequential chart of expression effect of the present invention.
Fig. 9 is the figure of the existing Work conveyance system of expression.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
Fig. 1 is the birds-eye view of an embodiment of expression Work conveyance system of the present invention, Fig. 2 is the front elevation of expression Work conveyance system, Fig. 3 (a) is the cross section enlarged drawing of the straight line feeder of normal feed status, Fig. 3 (b) is the cross section enlarged drawing of the straight line feeder of unusual feed status, Fig. 4 (a)～Fig. 4 (c) is an instruction diagram of supplying with feed appliance, Fig. 5 is the front elevation that expression separates chute, and Fig. 6 is the lateral plan of expression workpiece filling hole, and Fig. 7 is the lateral plan of expression workpiece discharge orifice.
Among Fig. 1 and Fig. 2, Work conveyance system 1 comprises: vertically disposed table base 2; The vertical surface 2a that is configured in table base 2 goes up, round feathering axis 3a intermittently rotate be provided with freely and periphery have the conveying workbench 3 of workpiece conveying mechanism of the workpiece accommodating groove (workpiece incorporating section) 4 of a plurality of コ word shapes; Perpendicular to conveying workbench 3 configuration, make the mutual butt of workpiece W and continuously to workpiece accommodating groove 4 in the Workpiece supply mechanism of supply be straight line feeder (linear feeder) 6; Be located between straight line feeder 6 and the conveying workbench 3 the separation chute 7 that the workpiece W that straight line feeder 6 is supplied with separates singly.
Wherein straight line feeder 6 constitutes by supplying with the supply feed appliance 6a of workpiece W and return feed appliance 6b to conveying workbench 3, wherein return feed appliance 6b and make the upstream extremity that turns back to supply feed appliance 6a from the workpiece W that supplies with feed appliance 6a or conveying workbench 3 discharges, straight line feeder 6 at right angles is provided with respect to conveying workbench 3, separates chute 7 and is clamped between the downstream end and conveying workbench 3 of supplying with feed appliance 6a.
In addition, return feed appliance 6b, 6a is configured in the below of supplying with feed appliance 6a abreast with the supply feed appliance.
Shown in Fig. 3 (a), Fig. 3 (b), supply with the workpiece of feed appliance 6a and carry the road to have first V-shaped groove 9.This first V-shaped groove 9 shown in Fig. 4 (a), is as the performance of the mechanism for identifying up and down function of workpiece, has long limit 9a and minor face 9b, and the interior angle of first V-shaped groove 9 becomes the right angle, oblique angle and the horizontal surface angle roughly at 45 of long limit 9a.The height dimension L of the minor face 9b of first V-shaped groove 9 is shown in Fig. 4 (b), bigger than the radius of the bight R of workpiece W.Shown in Fig. 4 (c), if workpiece W is in normal transfer position (workpiece W's turns upside down), then the center of gravity of workpiece W (G) just vertical line be positioned at the 9c of the rib portion outside of the minor face 9b of first V-shaped groove 9.Among Fig. 4 (c), size X is more than 0.Like this, when workpiece W is not in normal transfer position in supplying with feed appliance 6a (workpiece W's is up and down unusual occasion), the workpiece W that supplies with in the feed appliance 6a just surpasses minor face 9b, and landing turns back to be returned in the feed appliance 6b.
Here, shown in Fig. 3 (a), Fig. 3 (b), the long limit 9a of first V-shaped groove 9 of supply feed appliance 6a is with corresponding to returning feed appliance 6b side bevelled dip plane, and minor face 9b is positioned at and returns feed appliance 6b side.
Again, as shown in Figure 5, separate the conveyor surface of chute 7, have and first V-shaped groove, 9 corresponding second V-shaped grooves 15 of supplying with feed appliance 6a.This second V-shaped groove 15, by with the long limit 9a of first V-shaped groove 9 at grade long limit 15a and constitute with the minor face 9b minor face 15b at grade of first V-shaped groove 9.This second V-shaped groove 15, when conveying workbench 3 stops, its long limit 15a is consistent with the bottom surface of the workpiece accommodating groove 4 of the コ word shape of the circumference that is located at conveying workbench 3, and the minor face 15b of second V-shaped groove 15 is consistent with the trailing flank of the hand of rotation of workpiece accommodating groove 4.
As Fig. 1 and shown in Figure 6, on the long limit 15a of second V-shaped groove 15 that separates chute 7, be provided with to connect and separate chute 7 and be located at the attraction hole 10 of supplying with feed appliance 6a side, in addition, conveying workbench 3 sides are provided with injection hole 11.Attract hole 10 and injection hole 11, be communicated with vacuum generation source and pressurized air generation source by not shown air control mechanism respectively.
As Fig. 1, Fig. 5 and shown in Figure 6, be provided with the workpiece filling hole 12 that runs through table base 2 opposed to each other with second V-shaped groove 15, this workpiece filling hole 12 is communicated with not shown vacuum generation source, and workpiece filling hole 12 becomes negative pressure state all the time.
As Fig. 1, Fig. 2 and shown in Figure 7, be to run through on 1 position more than the pitch of workpiece accommodating groove 4 to separate the light projector 8a that chute 7 ground are provided with workpiece sensing sensor 8 in the distance of leaving Workpiece supply mechanism 6, with the opposed light-receiving device 8b that is provided with of light projector 8a, this distance that is subjected to first device 8b to leave the surface of separating chute 7 is at least more than the gauge of workpiece W.The light projector 8a of workpiece sensing sensor 8 is in separating chute 7, be located at that to leave the distance of supplying with feed appliance 6a be 1 downstream more than the pitch of workpiece accommodating groove 4.
As Fig. 1, shown in Figure 7, opposed with workpiece sensing sensor 8, run through table base 2 and be provided with workpiece discharge orifice 13, this workpiece discharge orifice 13 is communicated with pressurized air generation source by not shown air control mechanism.Again, be seated in the workpiece W in the workpiece accommodating groove 4 of Fig. 2, attracted all the time by not shown attraction mechanism and be rotated conveying.
The workpiece W that the present invention uses preferably has stabilizers (below be called stable bottom surface).For example, if the cross section of workpiece W is an oblong, the face that then has long limit is more satisfactory, if the cross section is special-shaped shape, the stabilising surface (workpiece of Fig. 3 is a long limit face) that then has appointment is more satisfactory, this stable bottom surface be positioned at first V-shaped groove 9 long limit 9a the face side and be transferred.Stablizing the bottom surface selects according to the state of workpiece W is suitable.
Below, the effect of the present embodiment of such formation is described.
Among Fig. 1, straight line feeder 6 is made of for example oscillatory type straight line feeder, supply with feed appliance 6a with conveying workbench 3 sides as the downstream, the mutual butt of workpiece W and arranging of face with long limit 20a of stable bottom surface (for example oblong cross section) is transferred.On the other hand, returning feed appliance 6b is that upstream side comes conveying workpieces W with conveying workbench 3 sides, makes the workpiece W that returns on the feed appliance 6b turn back to the upstream of supplying with feed appliance 6a.
When the supply feed appliance 6a that workpiece W is transported to straight line feeder 6 goes up, shown in Fig. 3 (a) and Fig. 4 (b), be connected on the long limit 9a of first V-shaped groove 9 of supplying with feed appliance 6a the minor face 9b butt of the bight R of workpiece W and first V-shaped groove 9 with the corresponding face of long limit 20a as the stable bottom surface in the cross section of workpiece W.Like this, workpiece W gets it and is the conveying posture of normal condition up and down.In this case, workpiece W is positioned at the long limit 9a side of first V-shaped groove 9 because of its center of gravity G, so can stably be transferred.
In addition, shown in Fig. 3 (b) and Fig. 4 (c), under the long limit 20a in the cross section of workpiece W and the state that turns upside down that minor face 9b side connects, just the vertical line of center of gravity G departs from the 9c of rib portion.Therefore, workpiece W swings to the outside of first V-shaped groove 9 of supplying with feed appliance 6a and is discharged from, and is slipped to and returns on the feed appliance 6b, is fed into the upstream extremity of supplying with feed appliance 6a again.
Below, be in the workpiece W of the conveying posture of normal condition, be transported to the downstream of supplying with feed appliance 6a and survey, at the upstream extremity that separates chute 7, the negative pressure that is attracted hole 10 attracts and limits it and move.
The injection of the separation of air of the attraction of the negative pressure in the attraction hole 10 of the 1a of Be Controlled portion controlled separation chute 7 here/stop, injection hole 11/stop, and the timing situation of rotating/stopping the intermittence of conveying workbench 3 is shown in Fig. 8.
In the rotation of conveying workbench 3, workpiece W by attract hole 10 separate separated on the chute 7, attract and keep, simultaneously, imagination has bad workpiece W in the front that stops workpiece W, from injection hole 11 injection of separation air, remaining workpiece W is got rid of from separating chute 7.And then stop conveying workbench 3.In this case, the separation of air from injection hole 11 just began to spray before conveying workbench 3 is about to begin rotation.In addition, conveying workbench 3 has just stopped, and just makes from the injection of injection hole 11 with from the attraction that attracts hole 10 all to stop.Then, as shown in Figure 6, be attracted hole 10 and attract and stop at the W of workpiece ahead that separates on the chute 7 1, the workpiece filling hole 12 of table base 2 that is positioned at workpiece accommodating groove 4 back sides of the conveying workbench 3 in stopping to attract and is loaded in the workpiece accommodating groove 4.
In this case, though workpiece filling hole 12 is in negative pressure state all the time, but the attraction of workpiece W is to carry out when the workpiece accommodating groove 4 of conveying workbench 3 and filling attract hole 12 opposed, so as shown in Figure 8, workpiece W is loaded into the position that conveying workbench 3 is depended in the 4 interior timings of workpiece accommodating groove.
Separate the W of workpiece ahead on the chute 7 1When being loaded in the workpiece accommodating groove 4, attract hole 10 to become negative pressure state, subsequent workpiece W again 2Stop separating separated attraction on the chute 7, with workpiece W ahead 1Separate.
These actions need not with confirming that sensor etc. confirms that all timings are on schedule carried out.Therefore, also consider make a mistake after, subsequent workpiece W 2And then workpiece W ahead 1By attracting hole 10.This occasion before conveying workbench 3 is about to stop, being used to the injection air of blowing perforation 11, makes subsequent workpiece W 2Drop to from separating chute 7 to discharge and to return on the feed appliance 6b.
In addition, as shown in Figure 7, the filling posture of the workpiece W in being loaded into workpiece accommodating groove 4 not exclusively puts in place, and the part of workpiece W is under the outstanding situation of workpiece accommodating groove 4, and this workpiece W is detected by workpiece sensing sensor 8.Then, according to signal, according to the instruction of control part 1a, to workpiece discharge orifice 13 ejection pressurized airs from workpiece sensing sensor 8.At this moment, workpiece W discharges from workpiece accommodating groove 4, drops to via the peripheral curve of separating chute 7 and returns among the feed appliance 6b.
As mentioned above,, can not produce the workpiece latch up phenomenon, separately and be loaded into reliably in the workpiece accommodating groove of conveying workbench with 11 workpiece according to present embodiment.
In addition, Work conveyance system of the present invention also can be used for as tapping (tapping) device etc., has the device of the conveying workpieces platform that intermittently rotates.
In addition, show the example that the leaning angle of the long limit 9a of first V-shaped groove 9 is made as 45 °, but be not limited to this, also can be according to the shape of workpiece W, the angle that long limit 9a side is set as with horizontal surface is more than 35 °, so that drop to minor face 9b side easily, the leaning angle of long limit 9a is not defined as 45 °.
In addition, though not shown, also can save workpiece discharge orifice 13 in workpiece accommodating groove 4 by the affirmation sensor is set.Affirmation sensor in this case, except optical pickocff, methods such as also available B/P EGR Back Pressure Transducer EGR and image processing get final product with the sensor that the posture that puts in place is seated in the workpiece accommodating groove 4 so long as can confirm workpiece W, do not limit the kind of its sensor.
Again, long limit 9a, the 15a of first V-shaped groove 9 and second V-shaped groove 15, the size of minor face 9b, 15b also can change according to the shape of workpiece W, so that can carry out above-mentioned action reliably.

Claims (10)

1. Work conveyance system, it comprises:
Pei Zhi table base generally perpendicularly;
Rotation is configured on the table base freely and has the conveying workbench of a plurality of workpiece incorporating section in periphery;
Perpendicular to transportation work tableland configuration, make the mutual butt of workpiece and supply with the straight line feeder of workpiece continuously to the workpiece incorporating section;
And be arranged between straight line feeder and the conveying workbench, the separation chute that will separate one by one from the workpiece that straight line feeder is supplied with,
Straight line feeder has to supply with feed appliance and be parallel to supplies with the feed appliance that returns that feed appliance ground was provided with and was configured in supply feed appliance below,
Supply with feed appliance and have first V-shaped groove, first V-shaped groove comprise with to returning cooresponding long limit, feed appliance side bevelled dip plane and being positioned at the minor face that returns the feed appliance side, when the stable bottom surface of workpiece is positioned at the long limit of first V-shaped groove, workpiece is in normal transfer position, when the stable bottom surface of workpiece is positioned at the minor face of first V-shaped groove, the center of gravity of workpiece is returned the feed appliance side in the outside of minor face rib portion thereby workpiece is dropped to.
2. Work conveyance system as claimed in claim 1 is characterized in that, the long limit of supplying with first V-shaped groove of feed appliance is inclined relative to horizontal more than 35 °.
3. Work conveyance system as claimed in claim 1 is characterized in that, separates chute and has second V-shaped groove, and this second V-shaped groove forms accordingly with first V-shaped groove of supplying with feed appliance and has long limit and a minor face.
4. Work conveyance system as claimed in claim 1, it is characterized in that, attract the downstream, hole and to bad workpiece injection air and with the injection hole of its eliminating separating to be provided with the attraction hole that the workpiece of supplying with from straight line feeder is temporarily attracted on second V-shaped groove of chute and to be positioned at.
5. Work conveyance system as claimed in claim 3 is characterized in that, the bottom surface of the workpiece incorporating section of conveying workbench is corresponding with the long limit of second V-shaped groove that separates chute.
6. Work conveyance system as claimed in claim 3 is characterized in that, table base with the corresponding part of second V-shaped groove of separating chute on, be provided with and be attracted to workpiece filling hole in the workpiece incorporating section of conveying workbench separating workpiece on the chute.
7. Work conveyance system as claimed in claim 1 is characterized in that, in separating chute, being 1 downstream more than the pitch of workpiece incorporating section from the distance of supplying with feed appliance, is provided with the workpiece sensing sensor.
8. Work conveyance system as claimed in claim 7 is characterized in that, in table base, with the cooresponding part of workpiece sensing sensor on be provided with the workpiece discharge orifice.
9. Work conveyance system as claimed in claim 3 is characterized in that, the long limit of supplying with the long limit of first V-shaped groove of feed appliance and second V-shaped groove that separates chute at grade, the minor face of the minor face of first V-shaped groove and second V-shaped groove is at grade.
10. Work conveyance system as claimed in claim 4 is characterized in that, is controlled by control part from the blast injection of injection hole, so that began to spray before conveying workbench just will begin rotation, just stops to spray after conveying workbench just stops.
CNB2005100822045A 2004-07-01 2005-07-01 Work piece transport system Active CN100404398C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP195583/04 2004-07-01
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JP4446089B2 (en) 2010-04-07
CN1715156A (en) 2006-01-04

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