CN1322155A

CN1322155A - Work inspection device

Info

Publication number: CN1322155A
Application number: CN00802051A
Authority: CN
Inventors: 木川一洋; 小林贤治
Original assignee: Lintec Corp
Current assignee: Lintec Corp
Priority date: 1999-11-22
Filing date: 2000-11-21
Publication date: 2001-11-14
Also published as: IL144414A0; KR20010083922A; WO2001038013A1; MXPA01004151A; JP2001327929A

Abstract

A work inspection device wherein a conveyor belt (201) is formed with a V-groove (201a) and work (1) is placed in the V-groove (201a) and conveyed, during which conveyance the size of the work (1) and its two adjacent surfaces (1c, 1d) are inspected by a first camera (203). Further, a reversing belt (205) abuts against the conveyor belt (201), the reversing belt (205) being likewise formed with a V-groove (205a), so that the work (1) is continuously reversedly transferred from the conveyor belt (201) to the reversing belt (205) while being held between the conveyor belt (201) and the reversing belt (205), and the reversed work (1) has its two other adjacent surfaces (1e, 1f) inspected by a second camera (207). After inspection, the capacity of capacitors is measured by a measuring probe (233) and upon completion they are counted off into groups of a fixed number which are then packed each in a bulk case (303).

Description

Work inspection device

The present invention relates to a kind of Work inspection device, in particular for the Work inspection device of an end face checking workpiece.

It is disclosed that traditional Work inspection device such as Japanese Patent disclose the HEI9-315566 specification sheets.This device is used to check the end face of hexahedron workpiece, and it is provided with one first annular plate, is provided with first recess that several are used to grasp workpiece at its periphery; And with one second annular plate that the above-mentioned first annular plate quadrature is placed, be provided with second recess that several are used to admit and grasp above-mentioned first recess at its periphery.In addition, first end face that is used to check three end faces of workpiece checks that photographic camera places facing to the outside of above-mentioned first annular plate, and second end face that is used to check three end faces of residue of workpiece checks that photographic camera places facing to the outside of above-mentioned second annular plate.

Above-mentioned disclosed Work inspection device is to check workpiece by grasp the recess that forms on above-mentioned annular slab.Therefore, when workpiece being inserted above-mentioned annular slab and shift out workpiece from annular slab, above-mentioned annular slab must stop the rotation, and has so just limited in the high speed conveying work pieces workpiece is checked.

Consider the problems referred to above, the objective of the invention is to utilize a kind of Work inspection device further to improve the inspection speed of workpiece.

Disclosure of an invention

In order to address the above problem, in the present invention, Work inspection device is provided with a groove that forms on belt conveyor, it is characterized in that workpiece is placed in this groove, and checks by the end face that workpiece exposed is made a video recording.

In addition, in the present invention, workpiece is placed in the gap that forms between at least two belt conveyor, and transmits in this gap.This gap narrows down gradually towards the downstream of direction of transfer, so just can adjust the orientation of workpiece.

Equally, also provide a upset band, a part of this upset band nestles up above-mentioned belt conveyor.This upset is with being provided with a groove that faces above-mentioned groove.By workpiece is overturn workpiece from above-mentioned belt conveyor is sent to the process of this upset band.

Also provide the oscillatory system that is used to vibrate above-mentioned belt conveyor, this oscillatory system can be adjusted the orientation that is placed on the workpiece on the belt conveyor.

Above-mentioned groove can be provided with forming V-shape.

In addition, also be provided with first photographic camera and that is used to take the exposure of the workpiece on the belt conveyor and be used to take second photographic camera of being with the exposure of the workpiece that is overturn by upset.

Here, be respectively equipped with the part of removing off-grade on the downstream of above-mentioned first and second photographic cameras, this part can be removed by each camera inspection and be judged to be inferior-quality product.These parts of removing off-grade are configured to can be with workpiece setting for being moved by compressed-air blows.

Equally, also be provided with the part of extracting acceptable product, this part will be sent to a workpiece charging part by the qualified workpiece of first and second camera inspections.These parts of extracting acceptable product also are configured to can be with workpiece setting for being moved by compressed-air blows.

In addition, in the present invention, above-mentioned Work inspection device is provided with a groove in belt conveyor, places and transmit a workpiece in this groove, and check that by the exposure of taking workpiece this Work inspection device also is provided with an oscillatory system that is used to vibrate above-mentioned belt conveyor.Workpiece has the cross-sectional plane of a rectangle.The width of above-mentioned groove is less than cornerwise length of this rectangle, and the depth dimensions of groove is when making workpiece be placed in this groove, and the angle of workpiece can not touch the bottom of groove.

Brief Description Of Drawings

Fig. 1 is the lateral plan according to a Work inspection device of first embodiment of the invention; Fig. 2 is the planar view of this Work inspection device; Fig. 3 is the transparent view of workpiece; Fig. 4 is the transparent view that the workpiece load mode is shown; Fig. 5 is the section-drawing that utilizes in the process of camera inspection workpiece; Fig. 6 illustrates workpiece to be transmitted band and upset strap clamp at section-drawing middle and that be reversed; Fig. 7 is the section-drawing of second embodiment of belt conveyor; Fig. 8 is the section-drawing of second embodiment of belt conveyor and upset band; Fig. 9 is the section-drawing of another modification of belt conveyor; Figure 10 is the lateral plan according to the Work inspection device of the 3rd embodiment; Figure 11 is according to the belt conveyor of the 3rd embodiment transparent view together with workpiece; Figure 12 is according to the belt conveyor of the 3rd embodiment planar view together with workpiece; Figure 13 (A) is the section-drawing of the S position, downstream among Figure 12; Figure 13 (B) illustrates the section-drawing that P position, downstream among Figure 12 connects same position of camera; Figure 14 is for describing a representative type section-drawing that extracts the part of acceptable product according to the partial sum of removing off-grade of the 3rd embodiment.

Most preferred embodiment of the present invention

The present invention is described further below in conjunction with accompanying drawing.

Fig. 1 and Fig. 2 illustrate a Work inspection device 10 according to the first embodiment of the present invention.Fig. 3 illustrate this device check the size of workpiece 1 (ceramic plate cond) and four end faces (1c, 1d, 1e, 1f).Workpiece 1 is the hexahedron of a for example about 1mm * 0.5mm * 0.5mm, and the face 1a of two opposition and 1b are as electrode.Work inspection device 10 according to the present invention utilizes photographic camera 203,207 to check the size of workpiece 1, and whether die casting part (insulated part) exists defective, stain and damage.

As shown in Figure 1, Work inspection device 10 comprises a workpiece supply section 100 that is used for alignment and workpiece 1 is provided, one be used to check the size of workpiece 1 and check the inspection part 200 of all the other quality on four sides except that electrode and one be used for calculating the number pieces of finishing inspection and will check after pack into the workpiece filling part 300 of a chest of workpiece.

A parts feeder 101 is provided with on the workpiece supply section 100.Several workpiece 1 that insert in the bulb of this parts feeder 101 are sent on the transmission lines 103 successively, and workpiece is aligned simultaneously and transmits in a spiral groove in this process.It is the feeder described in HEI5-286549 number the Japanese Patent that this parts feeder 101 can adopt as publication number.This parts feeder 101 advances workpiece 1 in the transmission lines 103, and makes its

electrode

1a and 1b be located at the front and back on the direction of transfer and place, and workpiece 1 is sent to Work inspection device part 200 in this way.

This Work inspection device part 200 is provided with an endless conveyor belt 201 that is used for conveying work pieces 1; First photographic camera 203 of giving workpiece 1 photograph that on belt conveyor 201, transmits; Be with 205 with the adjacent upset that offsets of above-mentioned belt conveyor 201 for one; And one given second photographic camera 207 of taking a picture at the workpiece 1 of upset on 205.Above-mentioned belt conveyor 201 is looped around between a driving wheel 209, a flower wheel 211 and the straining pulley 213.Above-mentioned driving wheel 209 comes driven rotary by a motor 215.

As shown in Figure 4, the transmission surface on above-mentioned belt conveyor 201 direction of transfers (in Fig. 4 for from left to right) in be formed centrally a ring-type V-shaped groove 201a.As shown in Figure 4, workpiece 1 is put into this V-shaped groove 201a from above-mentioned transmission lines 103 orders, and its

electrode

1a, 1b are placed forward and backwards.At this moment, the end face 1e of workpiece 1 and the 1f groove face with V-shaped groove 201a respectively are adjacent, and other end face 1c of opposition and outside 1d is exposed to.These are exposed to

outer end face

1c and 1d is made a video recording by above-mentioned first photographic camera 203.The stain of crackle, defective, stain, elargol and other analogue on the outside dimension of workpiece 1 and end face 1c and the 1d is by the photograph process and utilize the output signal of this first photographic camera 203 just can obtain checking.

On the updrift side of above-mentioned first photographic camera 203, be provided with a photodetector 217, be used to check the workpiece 1 of process.The photograph time selection basis of above-mentioned first photographic camera 203 is determined from these photodetector 217 resulting detection signals, thereby can be carried out the size of workpiece and the photograph process of end face 1c and 1d.The same sucking hole 219 that on the downstream direction of above-mentioned first photographic camera 203, is provided with.Being regarded as inferior-quality workpiece by first photographic camera 203 can be sucked and be removed by this sucking hole 219.

Upset is with 205 (shown in Figure 1) to be provided with around a pulley 209.Upset be formed with on 205 one with the akin V-shaped groove 201a of V-shaped groove in belt conveyor, as shown in Figure 1, this upset abuts against on the part of belt conveyor 201 with a part of 205, so that workpiece 1 can be clipped in the middle.Promptly as shown in Figure 1, belt conveyor 201 and upset with 205 substantially along the semicircumference of pulley 209 and adjacency.Upset is with 205 around some pulleys 221,222 and being provided with.This pulley 222 rotatably drives with the synchronous driving motor (not shown) of belt conveyor 201 by one.By pulley 209 rotation 180 degree almost, the V-shaped groove 201a that is sandwiched in belt conveyor 201 simultaneously and upset are with in the middle of 205 the V-shaped groove 201a time at workpiece 1, and workpiece 1 is sent to upset from belt conveyor 201 and is with 205.Be with in 205 in upset,

workpiece end face

1e and 1f are turned over, and outside being exposed to, and send from the V-shaped groove 201a of belt conveyor 205.Be provided with a scraping 225 near pulley 209 lower circumference, this scraping has limited workpiece 1 and has turned back to driving band 201 again.As a result, workpiece 1 is transferred to upset safely and is with 205.

One second photographic camera 207 is disposed in the downstream of scraping 225.The size of workpiece 1 and end face 1e, the chip of 1f and the defective on the analogue, stain and damage just can obtain checking by the photograph process of utilizing this second photographic camera 207.Equally, the photograph time selection of above-mentioned second photographic camera 207 is similar to above-mentioned first photographic camera 203, can use the photodetector (not shown) of a trip side disposed thereon and determines.After the photograph process, inferior-quality product is sucked and removes by a sucking hole 227 that is arranged on second photographic camera, 207 downstreams.

One chute 229 is arranged on the downstream end of overturning with 205, and by this chute, workpiece 1 is with 205 to be sent to a pick-up roller 231 by upset.Some recess 231a are formed on the periphery of pick-up roller 231.The workpiece 1 that falls along chute 229 can transport in these recess 231a one by one.Pick-up roller 231 left-hand revolutions when workpiece outreaches the position, have a measuring probe capacitance of workpiece 1 are checked, inferior-quality product can be inhaled into mouthful 235 suctions and remove.Can be sent to a workpiece charging part 300 subsequently by the workpiece of checking 1.

This workpiece charging part 300 is provided with a funnel 301 that is used for collecting and falling a predetermined quantity workpiece 1, a bulk box 303 that is used to transmit the workpiece that falls from funnel 301, the belt conveyor 305 of an above-mentioned bulk box 303 of transmission, and one be attached to labeller 323 on the above-mentioned bulk box 303 with bar code label 325.Opposed funnel 307,309 is arranged between pick-up roller 231 and the funnel 301.This counting funnel 307,309 interconnects by a plate 311, so that can change by a cylinder 313.Equally, each counting funnel 307,309 is provided with a shutter (not shown) in its bottom respectively.

The workpiece 1 of one predetermined quantity calculates its number by a sensor for countering 302.When the workpiece of collecting in counting funnel 307 reached predetermined quantity, above-mentioned unshowned shutter can be opened, and workpiece 1 can be dropped in the funnel 301.This just becomes the quantity of a workpiece 1 in the bulk box 303.At this moment, pick-up roller 231 temporarily stops the rotation, and cylinder 313 is driven, and counts the below that funnel 309 directly moves to pick-up roller 231 like this.This pick-up roller 231 is rotation once more subsequently, and the predetermined quantity of workpiece 1 can be calculated and be collected in the counting funnel 309 by sensor 302.

After confirming that through sensor 315 bulk box shutter 303a (case lid in bulk) closes, bulk box 303 can be transferred to a workpiece charging door 301a by belt conveyor 305.A radius arm 317 makes bulk box 303 directly be placed on workpiece charging door 301a below.Subsequently, bulk box shutter 303a is opened by a bulk box shutter opened/closed device 319, is in wait state.A shutter (not shown) of the end of workpiece charging door 301a is unlocked, and like this, the workpiece 1 that is suitable for being placed on the predetermined quantity in the bulk box 303 can fall and the bulk box 303 of packing into from funnel 301.Subsequently, the shutter 303a of bulk box is closed by starting bulk box shutter opened/closed device 319.After finishing said process, radius arm 317 is released, and bulk box 303 is transmitted is with 305 to be transferred to downstream (in Fig. 1 from left to right).Halfway, a sensor 321 guarantees that bulk box shutter 303a is closed.Bar code label 325 is pasted by labeller 323 and is placed on the above-mentioned bulk box 303 subsequently.Above-mentioned bulk box 303 and then be transferred to the downstream can be packed and deliver at this according to formulation.

As mentioned above, according to above-mentioned device, the size of workpiece and four

end face

1c, 1d, 1e, 1f can check by two photographic cameras, and workpiece 1 is placed on belt conveyor 201 and upset with among the V-shaped groove 201a on 205 simultaneously.As a result, workpiece 1 can be checked fully.In addition, because workpiece 1 can be continued upset, be transmitted simultaneously with 201 and upset clamp with the V-shaped groove 201a on 205, realize upset at a high speed in that workpiece 1 is skidded off under the situation of position so, and realize workpiece size and end face 1c are become possibility to the quick photograph of 1f.

In addition, some ring-type V-shaped groove 201a are made with different sizes according to the workpiece 1 of different size, these ring-type V-shaped grooves 201a can be formed on above-mentioned belt conveyor 201 and upset is with on 205, and on the transmission lines 103, this transmission lines 103 can be switched to the V-shaped groove that is complementary with workpiece size.Equally in the present embodiment, V-shaped groove 201a is formed on the direction of transfer of band, but is not limited thereto.This V-shaped groove also can make and with direction of transfer perpendicular.In addition, the shape of above-mentioned groove also is not limited in and is V-arrangement, also can be to form for example other shape of semi-circular cross-section.

In the above-described embodiments, the charging and the packing of bulk box is described as a kind of packaged form, but it is not limited in this.Also can use conveyer belt to pack and supply workpiece 1, wherein workpiece 1 can be placed on made of paper space one preset distance or plastics system conveyer belt on.

Fig. 7 and Fig. 8 are the section-drawings that second embodiment of belt conveyor is shown.The groove 202a that to be formed with a cross-sectional plane on the belt conveyor 202 be rectangle.Cross-sectional plane is that the workpiece 1 (being square in an embodiment) of rectangle is placed in this groove 202a.The width W of groove 202a is less than the catercorner length d of workpiece 1 rectangular cross section.The degree of depth that groove 202a is had makes that a bight 1g of workpiece 1 does not contact with the bottom 202b of groove 202a when workpiece 1 is put into groove 202a.Correspondingly, as shown in Figure 7, in the time of in workpiece 1 is put groove 202a into, the side 1e of

workpiece

1 and 1f contact with limit 202c, the 202d of groove 202a respectively.

Belt conveyor 202 moves on a belt receiver 204 and is supported by this belt receiver.One comprises that the jarring machine (shaking device) 206 of motor 203 and other analogue is connected on this belt receiver 204.This jarring machine 206 shakes belt conveyor 202 as follows, promptly, even workpiece 1 is placed with an angle as shown in phantom in Figure 7, but still can make its correction be the lateral symmetry position shown in solid line among Fig. 7, end face 1c, the 1d of workpiece 1 just can be filmed equably by photographic camera 203 like this.

Even jarring machine 206 when being installed on the device among Fig. 1, also can show the effect of the position of calibration of workpieces 1.But, can obtain a bigger effect better by using this jarring machine in combination with structure for example shown in Figure 7.Just, groove 202a shown in Figure 7 contacts end face 1e, the 1f of workpiece 1 respectively with two edge 202c, 202d of this groove, and the bight 1g of workpiece 1 does not contact with the bottom 202b of groove 202a.As a result, when belt conveyor 202 was shaken by jarring machine 206, workpiece 1 was corrected the position at an easy rate so that realize lateral symmetry by these vibrations.

After workpiece 1 is taken pictures by photographic camera 203, as shown in Figure 8, workpiece 1 can be reversed subsequently be transmitted simultaneously be with 202 and upset band 205A be clipped in the middle.This method for turning is similar to above-described method.

Fig. 9 is the example of other belt conveyor 208,210.Can select the groove of the groove 210a in the groove 208a of the semi-circular cross-section shown in Fig. 9 (A) or the V-arrangement cross section shown in Fig. 9 (B) for use as belt conveyor.That is to say, if when workpiece 1 is put into above-mentioned groove the bight 1g bottom of contact trench 202a not of workpiece 1, can use the groove of Any shape.

Next, utilize Figure 10 the third embodiment of the present invention to be described to the label among Figure 14.Should know that in the following description those are equal to or the structure division that is equivalent among above-mentioned first and second embodiment will utilize same label to represent, it is described in this and will be omitted or simplifies.The 3rd embodiment is characterised in that the

interior belt conveyor

240 and 241 of two lines at least that workpiece 1 is set at when being transmitted on the direction of transfer is clipped in the middle.Its feature also is to remove off-grade and extracts acceptable product and finish by compressed-air blows.

Figure 10 is the scheme drawing according to the Work inspection device 20 of the 3rd embodiment.Work inspection device 20 in the figure is with difference according to Work inspection device 10 (among Fig. 1) among above-mentioned first embodiment: be clipped in the middle by two belt conveyor that align 240 and 241 when workpiece 1 is transmitted, it is provided with first and

second parts

249 and 250 of removing off-grade, remove by first and second photographic cameras 203 by blowing pressurized air, 207 are judged to be inferior-quality product, also be provided with the part 255 of extracting acceptable product in addition, will be sent to workpiece charging part 300 by the acceptable product of checking by blowing pressurized air.Should know that other structure of this device is equal to the structure of above-mentioned first embodiment device basically.

Shown in Figure 11 and 12, the layout of belt conveyor 240,241 makes gap between this two band or the upstream side of width (W) from its direction of transfer (left side Figure 12), and (right side among Figure 12) narrows down gradually to the downstream.That is to say that (parts transport unit 105 zones at the tip of parts feeder workpiece alignment element 104) (close first photographic camera, 203 upstream sides) narrow down the width (W) that forms gradually to P position, downstream from the upstream side S position on the belt conveyor direction of transfer between two belt conveyor 241 and 242.Here, as shown in figure 13, at the upstream side (S) of direction of transfer as long as the width W of position 1 can make each

end face

1d, 1e of workpiece 1 be suspended on the inboard of two belt conveyor 240,241 between angle 240a, the 241a, and the bight 1g that does not make workpiece 1 touches bottom 245a, and this width W 1 can be any value.In other words, width W 1 is slightly less than the catercorner length d of workpiece 1 at the rectangular cross section of upstream side (S) position of direction of transfer, and the width W 2 in the P position, downstream of direction of transfer is slightly less than the width W 1 (Figure 13 (B)) in upstream side (S) position of direction of transfer.Correspondingly, in upstream side (S) position (parts transport unit 105 zones) of direction of transfer, with workpiece 1 from 100 supplies of workpiece supply section be transferred to

belt conveyor

240 and 241 and become and be more prone to.Equally, when when narrowing down gradually in the area L of the width W between two belt conveyor at direction of transfer,

belt conveyor

240 and 241 is by 206 vibrations of jarring machine (shaking device) that are provided with just like above-mentioned second embodiment.As a result, the position of workpiece 1 can be regulated lentamente, so that can lateral symmetry in its transport process.Should know that this jarring machine 206 and the rotational synchronization of

belt conveyor

240 and 241 carry out, can regulate the position of workpiece 1 more reliably like this,

First and

second parts

249 and 250 of removing off-grade are separately positioned on the position, two places in first and second photographic cameras, 203,207 downstreams, and the part 255 of extracting acceptable product simultaneously is arranged on second and removes on the position, two places in part 250 downstreams of off-grade.This is an accessory device, the

part

249 and 250 that the part 255 and first and second of wherein extracting acceptable product is removed off-grade is arranged on two positions, can both stably remove the workpiece 1 in downstream under unexpected situation, these unexpected situations are meant that the workpiece 1 in the both sides, upstream can not be removed.Equally, the part 255 of extracting acceptable product is provided with a passage 259 (Figure 14) together with first and

second parts

249 and 250 of removing off-grade, this passage passes with the angle that is basically perpendicular to direct of travel, this direct of travel by driving band 240,241 or the upset with 205 workpiece that transported 1 above.Have a hole 261 that forms at first this passage 259 of removing in the part 249 of off-grade above

belt conveyor

240 and 241, this hole is big that workpiece 1 is passed through.Similarly, similar hole 261 also is formed on second and removes the part 250 of off-grade and extract in the passage 259 at part 255 places of acceptable product.In addition, pressurized air A can be transmitted in the stand in channel 259 from a pressurized air generator (for example compressor), and this device does not illustrate in the drawings.In addition, pressurized air A is controlled by a control loop (not shown), the pressurized air A that is supplied by service duct 259A can further be compressed by a undersized passage 259B like this, and sprays among the large-sized passage 259C so that in negative pressure of hole 261 places generation.This negative pressure utilization is being aspirated workpiece 1 by the suction that hole 261 is produced, and workpiece 1 is drawn into large-sized passage 259C from hole 261, and workpiece is just from

belt conveyor

240 and 241 or be with 205 to remove or extract away from upset like this.That is to say, at first part 249 places that remove off-grade, if workpiece 1 is by checking that being regarded as by first photographic camera 203 is inferior-quality product, pressurized air A can periodically spray into large-sized passage 259C from undersized passage 259B, and the transfer rate of above-mentioned timer-operated selection and workpiece 1 is complementary.As a result, negative pressure (suction) produces at hole 261 places, like this at hole 261 places and to be identified as be that inferior-quality workpiece 1 can be directed among into large-sized passage 259C.On the other hand, check and be not identified as to be that inferior-quality workpiece 1 is transmitted through first photographic camera 203, when its on the direction of second photographic camera 207 in downstream the time pressurized air A can not blow out.Equally, at second part 250 places that remove off-grade, the downside of workpiece 1 is with 205 to be reversed near 180 degree along midway location with upset, and at this moment this downside can be taken pictures in the mode that is similar to first photographic camera 203 by second photographic camera 207.As a result, only being identified as inferior-quality workpiece 1 can be directed among into large-sized passage 259C by being equal to above-mentioned first operation of removing the part 249 of off-grade.Subsequently, in the part 255 of extracting acceptable product, pressurized air A can almost side by side be directed in the stand in channel 259, and all can be extracted and be fed to (Figure 10) in the funnel 301 by the workpiece 1 that second part 250 of removing off-grade is removed like this.Next, in Figure 10, the structural constituent of representing with same numeral among Fig. 1 can repeat identical operations: count the workpiece 1 of a predetermined quantity, workpiece is contained in the bulk box 303, and then a specific label is posted on the workpiece and with it removes from machine.

Should know in the 3rd embodiment, the upset with 205 also can by two alignment and the band that workpiece 1 is clipped in the middle can be formed, perhaps certainly form by a band with the described groove of above-mentioned first and second embodiment.

Should know that in first to the 3rd embodiment, workpiece 1 is the ceramic plate cond always, it can be any six objects of for example chip-resistance certainly.

As mentioned above, according to the present invention, a groove is formed on one and is with.Workpiece is placed in this groove subsequently, and two of workpiece end faces can be checked simultaneously like this.In addition, the upset band with groove is clipped in the middle workpiece, and continues it to be checked the workpiece upset for traditional intermittent method for turning under high-revolving situation.

Equally, workpiece is placed in two gaps between the band and in this gap and is transmitted, and the width between these two bands can narrow down gradually towards the downstream of direction of transfer.In addition, workpiece is with when being transmitted and is shaken.As a result, the position of workpiece can be corrected in the process that it is transmitted.

Industrial applicability

The present invention can be applied in one by to for example being an exposure of the workpiece of potsherd capacitor Face takes pictures in the device of quality measurement.

Claims

1. a Work inspection device is characterized in that being formed with a groove on belt conveyor, and workpiece is placed in this groove and is transmitted in this groove, and the end face that exposes of this workpiece is taken pictures and checked.

2. Work inspection device, it is characterized in that workpiece is placed in the gap that is formed between at least two belt conveyor and in this gap transmits, the width in this gap narrows down gradually towards the downstream of its direction of transfer, so just can adjust the posture of workpiece.

3. Work inspection device as claimed in claim 1 or 2, it is characterized in that it is provided with a upset band, a part of this upset band nestles up above-mentioned belt conveyor, this upset is with and is provided with one and the corresponding groove of above-mentioned groove or gap, and workpiece is sent to this upset band from above-mentioned belt conveyor, workpiece thus overturns.

4. Work inspection device as claimed in claim 1 or 2 is characterized in that it is provided with the oscillatory system that is used to vibrate above-mentioned belt conveyor.

5. as claim 1 or 3 described Work inspection devices, it is characterized in that above-mentioned groove is a V-arrangement.

6. Work inspection device as claimed in claim 3, it is provided with first photographic camera and that is used to take the exposure of the workpiece on the belt conveyor and is used to take second photographic camera of being with the exposure of the workpiece that is overturn by upset.

7. Work inspection device as claimed in claim 6, it is characterized in that it is respectively equipped with the part of removing off-grade on the downstream of above-mentioned first and second photographic cameras, this part can be removed by each camera inspection and be judged to be inferior-quality workpiece, and wherein these enable pass that are provided with of removing the part of off-grade are crossed compressed-air blows and travelling workpiece.

8. as claim 6 or 7 described Work inspection devices, it is characterized in that it is provided with a part of extracting acceptable product, this part will be qualified workpiece by first and second camera inspections be sent to a workpiece charging part, wherein these parts of extracting acceptable product are configured to and can pass through compressed-air blows and travelling workpiece.

9. Work inspection device, wherein in belt conveyor, be provided with a groove, in this groove, place and transmit a workpiece, the exposure of workpiece is taken and checks, it is characterized in that being provided with an oscillatory system that is used to vibrate above-mentioned belt conveyor, described workpiece has the cross-sectional plane of a rectangle, and the width of above-mentioned groove is less than cornerwise length of this rectangle, and the depth dimensions of groove is when making workpiece be placed in this groove, and the angle of workpiece can not touch the bottom of groove.