KR100436439B1 - Device for conveying small components, especially small electrical components - Google Patents

Abstract

The present invention relates to a novel device for carrying small components, particularly small electrical components such as surface mount devices (SMDs). The apparatus of the present invention is formed by at least one first transport element and at least one second transport element each having a plurality of receiving areas for receiving and retaining one part at a time, each part having a top surface thereof. At least one conveyor section forming a common conveying region which is relayed from one receiving region of one conveying element to a receiving region of the other conveying element, wherein the receiving region of the conveying member is a small pipe-shaped vacuum chuck It is formed on the top.

Description

Small parts, in particular small electrical parts conveyers {DEVICE FOR CONVEYING SMALL COMPONENTS, ESPECIALLY SMALL ELECTRICAL COMPONENTS}

Devices for transporting small parts, in particular small electrical parts in the form of SMD (surface mount devices), are known in various forms, and these parts are subjected to processing such as bending of connecting leads, in particular depending on their electrical properties and functions. It is used in devices or systems that are measured, sorted and dispensed to form batches and / or divided by belts. Such a device is also often called a bag-and-line or bag-and-machine.

Detailed description of the invention

It is an object of the present invention to provide a device for transporting small parts which can be used repeatedly in a simple form and which has high operational reliability. In order to achieve this object, there is provided an apparatus according to claims 1, 3, 19 or 25.

In one basic form of the invention the device comprises at least two transport elements adjacent to each other in a delivery section of the cavity over the connection area, the parts above the connection area being one from the receiving area of one transport element. It is relayed to the receiving area of the transport element. The receiving area above one transport element is formed by a vacuum chuck, preferably a small pipette-like vacuum chuck. The receiving area above the other transport element is formed along one surface of the transport element, each provided in the area of one opening. The transport element formed by the transport belt or the transport wheel is provided on the surface side of the other side above the guide on which at least one vacuum channel is opened towards the surface side. The transport belt or transport wheel seals the vacuum channel excluding the opening of the transport belt or transport wheel. The vacuum channel is connected to a negative pressure source so that the components are each under pressure in the region of one opening. With regard to the formation of a receiving area provided on one transport element in the form of a small pipe-shaped vacuum chuck, it is possible to simply carry the part from one transport element to another.

According to another aspect of the invention, the invention relates to a device for carrying small parts, which is particularly suitable for feeding parts in a system for supplying a lead frame with parts to be handled. In particular, in a number of lead frames, ie in a lead frame in which parts are located in a plurality of rows extending along the longitudinal direction of the lead frame, the machine spacing, ie distance, is the accommodation of a processing machine such as a back-end machine. There is a problem that an area must be adapted to the grid size of the lead frame, ie the distance between the components in the longitudinal direction of the lead frame. Therefore, it is difficult to process lead frames having different grating sizes using the same machine. The device according to the invention has overcome this problem. That is, the device can be applied to different grating sizes even by changing only the forward feed of the lead frame. Changes necessary to achieve this goal can be made using software.

According to another aspect of the invention, the invention relates to a device for transporting small components, particularly small electrical components such as SMD, wherein at least one transport section is preferably used as a vacuum chuck for the component. The holders, which are formed of transport elements having a plurality of vacuum holders formed, and which preferably move clockwise along the transport section with the transport elements, are movable in their axial direction, preferably in the direction of the vertical axis. A feature of this device is that a holder is provided which rotates about an axis over the transport element, at least one turning or rotation station is formed on the transport section, on which the holder passes and is also driven by a drive. A drive device actuated by this is connected to the holder at the turning station and is operated to rotate the holder.

According to another aspect of the invention, the invention relates to a device for transporting small components, particularly small electrical components such as SMD, wherein at least one transport section is preferred as a vacuum chuck for the component. The holders, which are formed of transport elements with a plurality of vacuum holders, which are preferably formed, and which are preferably moved clockwise along the transport section with the transport elements, are movable in their axial direction, preferably in the direction of the vertical axis. A feature of this device is that there is at least one test station on the transport section which checks for the presence of a component on the holder, the test station being formed between the light emitting element, the photo detector and the light emitting element and the photo detector. And an optical path consisting of a light path coupled to a vacuum channel provided on the chuck 9a.

The improved device of the invention is the subject matter of the dependent claims. Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

The invention relates to an apparatus disclosed in the preamble of claims 1, 3, 19 or 25.

1 is a schematic plan view of a back-end machine for an electrical component with a drilling and positioning device according to the invention.

FIG. 2 is a partial enlarged view and longitudinal sectional view showing one embodiment of a conveyor or transfer belt used in the drilling and positioning device of FIG.

3 is a schematic partial cross-sectional view showing a cross section of the line I-I of FIG.

4 is a schematic partial cross-sectional view showing a cutting and punching station of the apparatus.

5 to 8 are schematic plan views of the transfer plate of the drilling and positioning device.

9 is an enlarged plan view of a lead frame feed, a puncturing device and a subsequent vehicle.

10 is a schematic cross-sectional view illustrating a buffer station.

FIG. 11 is an enlarged detail view of FIG. 2.

FIG. 12 shows a view similar to FIG. 10 showing through a transport system configured as a longitudinal conveyor or an inline conveyor, in the station area for rotating the part.

FIG. 13 is a view similar to FIG. 12 but shown in a belt station for inserting respective parts into a small cup formed in front of the belt.

14 is a schematic plan view showing a lead frame supply, a puncturing device and a subsequent vehicle according to another embodiment of the present invention.

As shown in the figure, a back-end machine for processing an electrical component 2, such as SMD, is indicated by reference numeral 1, the electrical component may be a transistor or the like, each component being a plastic A housing lead 4 having a housing 3 and facing two sides is provided with a radially projecting housing lead 4.

In the basic structure, the rear end machine 1 essentially includes a supply unit 5, in which the component 2 is supplied as the lead frame 6 (in the feed direction V). Among them, an important structural member is the drilling and positioning device 7. By means of such a device 7 described above, a part 2 is drilled out of the lead frame 6 and is transported with a plurality of vacuum chucks 9 for holding one part 2 at a time. Is directed towards the system 8 in a predetermined direction. The part 2 is passed by some means, such as the bending station 10, the measuring station 11 and the buffer station 12, along the transport direction T1 of the system by the transport system 8. Which are finally moved to the receiving area 13 which sorts out the bad parts of the parts 2 and forms a batch on different axes according to the measured electrical values, or the measuring station 11 According to the measured value obtained in any one of the belt stations 13 ′, which in turn puts a batch of parts 2 from one of the belts on top. The transport system 8, which also consists of a longitudinal conveyor or an inline conveyor, is also provided with a station 14 in which the parts 2 are rotated about a vertical axis in a predetermined angle range, for example 90 degrees or 180 degrees. do. This station 14 is hereinafter referred to as "rotation station".

Transportation system (8)

As shown in FIGS. 1 and 2, the transport system 8 consists essentially of an endlessly rotating steel belt 15 positioned at the edge, the sides of its surface lying on a vertical plate and having two deflection wheels ( 16). Several continuous pads 17 are attached to the outside of the loop formed by the steel belt 15. Each pad 17 is provided with two vacuum pipettes or vacuum chucks 9 which are movable in the vertical direction. Each vacuum chuck 9 is subjected to compressive stress upwards by a spring 18. The vacuum chuck 9 is controlled by the stop guide cam control unit 19. Each of the loops in the guide strip 20 includes a vacuum channel 21 in which each vacuum chuck 9 is connected through an opening 22 formed in the steel belt 15 and a corresponding channel formed in the pad 17. A steel belt 15, which is supported on the inside, is provided along the conveyor section between the supply unit 5 and the belt station 13 '.

Punching and Positioning Device (7)

The drilling and positioning device 7 consists essentially of the following components.

The device 23 is for supplying the lead frame 6 and is manufactured precisely so that the stepwise supply and replacement of the lead frame 6 can be made very precisely even at different sized steps (in the feed direction V). Are manufactured. For this reason, the lead frame supply means 23 has a central control means 25 in accordance with the input or programming of the input unit 26 into which the shape of the lead frame 6 or the code for identifying such lead frame 6 is input. And a transfer part 24 controlled by and driven by a motor.

The lead frame 6 includes two edge regions 6 'each having a through hole 6 "formed by a plurality of holes, so that the supply is accurate. Formed of a layered lead frame, that is, four rows of components 2 each extending in the longitudinal direction of the lead frame are formed on the lead frame, wherein two adjacent rows indicated by A in the figure are formed. The two adjacent rows which form one group and denoted B form the second group, the component 2 consisting of each of rows A and B in the transverse direction of the lead frame, i.e. in the transport direction V and in the other columns. It is provided in the direction of the axis perpendicular to the longitudinal axis of the lead frame which forms the same axis as the component 2.

In FIG. 5, "P" indicates the lattice dimension or the distance that the parts 2 in each row A, B are separated from each other in the longitudinal direction of the lead frame. In the figure, "X" corresponds to the lattice dimension or the axial distance between two vacuum chucks 9 lying on the transport system 8 or the axial distance of the receiving regions formed at the bottom of the vacuum chuck 9. Mark the distance. Also, the distance X as shown in Fig. 5 is not an integer multiple of the distance P. In an embodiment according to the invention, the distance X is kept equal to 5 times the distance P minus the length Y, i.e. X = 5P-Y is satisfied.

"D" in FIG. 5 indicates the axial distance of the component 2 of two adjacent rows A, B perpendicular to each other in the longitudinal direction of the lead frame.

Another important component of the device 7 is a cutting station 27, in which the operation of punching from below the lead frame 6 takes place, on each of the parts 2 the lead frame as in the conventional manner. The bridge portion of (6) remains the lead (4). The cutting station has two cuts 28, 29, which are biased at a distance X from one another in the direction of travel V of the lead frame 6. In particular, the cutout 28 has two parts 2 in two rows A adjacent in the transverse direction of the lead frame, and the cutout 29 along the travel direction V is shown in FIGS. 5 and 6. As shown, for two parts 2 of two rows B located adjacent to each other in the transverse direction of the lead frame.

The structure of the cutting station 27 over the two cuts 28, 29 is shown in detail in FIG. 4. Cutting or punching tools at these cuts are:

An upper plate die 30 having two die openings 31 extending transversely in the conveying direction (V),

Two clamp elements 32 which are movable up and down in the vertical direction and are provided on two longitudinal sides of the lead frame 6, only one of which is shown in FIG. 4,

A tool 33 which is capable of vertical movement in the vertical direction and forms two clipping punches 34 which interact with the die opening 31.

In order to punch a pair of parts 2 composed of two rows A or B at one time, the two parts 2 to be punched forward by the lead frame 6 are centered around the die opening 31. In the appropriate cutouts 28 or 29. The clamp element 32 is then actuated to fix the lead frame and the tool 33 is actuated to punch the two parts 2. Prior to the operation of the tool 33, each component 2 extends from above through the die opening 31 and moves upwards in the vertical direction when punched in the defined direction, even when the appropriate component is punched. It is held by the vacuum chuck 35 biting 2) and discharged from the cuts 28 and 29. The vacuum chuck 35 is a member of the transfer plate 36 described later. The vacuum chucks 35 are provided in pairs.

In addition, a pair of parts 2 in two rows A at the cutting station 27 is equivalent to punching the parts 2 in two rows B over the cut 29. The punching operation is performed at the cutting portion 28 with the difference of, and vice versa. That is, during each cycle period of the device 7 or the cutting station 27 and the transfer plate operating synchronously with the cutting station, two parts 2 at a time are cut off 28 or cut 29 ) Alternately punched above.

The transmission plate 36 is rotatable by the drive device 37 around the vertical axis. The drive device is alternately controlled by the central control means 25 and, for example, the transmission plate 36 in a designated position according to a control program. ) Can be stopped or positioned correctly.

In an embodiment according to the invention, a total of four pairs of vacuum chucks 35 are provided on the transfer plate 36. Specifically, the vacuum chuck is located at an inner position more in the radial direction as indicated by reference numeral 35a with respect to the vertical axis of rotation 38 and also at an outer position in the radial direction as indicated by reference numeral 35b. The vacuum chuck 35a is assigned at the same point to the cut 28 or one die opening 31, and the vacuum chuck 35b is assigned to the cut 29 or the die opening 31.

In the embodiment according to the invention, the two pairs of vacuum chucks 35a and the two pairs of vacuum chucks 35b are offset from each other by 180 degrees with respect to the axis of rotation 38.

The transfer plate 36, which is rotated stepwise or clockwise, interacts with the sorting or transfer section 39, which is provided as a linear conveyor and has a horizontal conveying direction F2 perpendicular to the travel direction V. The sorting or conveying section 39 forms two conveyor regions A ', B' extending parallel to each other in the conveying direction F2 and having a distance X in a direction perpendicular to the conveying direction F2. do. Each conveyor area A ', B' has a feed 40, where two parts 2 follow one another at a time in the normal direction and the transfer plate 36 in the conveying direction F2. By using two vacuum chucks 35 provided above. Specifically, two adjacent parts 2 of two rows A are positioned above the conveyor area A 'and two rows B of the lead frame 6 above the conveyor area B'. Two adjacent parts 2 are located. Each conveyor area A ', B' has a removal position 41 on the transport system 8, and the removal position 41 of the conveyor areas A ', B' is in the conveying direction F1. The parts 2 which are shifted from each other and prepared in the removal position 41 of the two conveyor regions A 'and B' are simultaneously picked up by two vacuum chucks 9 which follow each other in the conveying direction F1. .

In the embodiment according to the invention, the transmission plate 36 driven by the click danui about the rotation axis 38 has a total of four remaining positions. Specifically:

Position 1 (Figure 5)

In this position, it is located above the first pair of cuts 29 of the vacuum chuck 35b and above the supply 40 of the second pair of conveyor regions B 'of the vacuum chuck 35b.

Position 2 (Figure 6)

In this position, it is located above the first pair of cuts 28 of the vacuum chuck 35b and above the supply 40 of the second pair of conveyor regions A 'of the vacuum chuck 35a.

Position 3 (Figure 7)

In this position, it is located above the second pair of cuts 29 of the vacuum chuck 35b and above the supply 40 of the first pair of conveyor regions B 'of the vacuum chuck 35b.

Position 4 (Figure 8)

In this position, it is located on the second pair of cuts 28 of the vacuum chuck 35a and above the supply 40 of the first pair of conveyor regions A 'of the vacuum chuck 35a.

In the embodiment according to the invention, the fractionation or transmission section 39 consists essentially of an endless steel belt 42 which is guided through a deflection roller or wheel 43 which is driven along its outer circumference and is rotatable about a horizontal axis, Here at least one deflection wheel is driven. The steel belt 42 forms an upper horizontal length, which lies on the guide body 44 together with the inside of the loop. The guide body 44 is provided with two grooves 45 which are open to a flat horizontal top and which are closed to the bottom and two longitudinal sides and also to two ends. One groove 45 at a time is located below one of the conveyor areas A ', B'.

Each conveyor region A ', B' of the steel belt 42 is provided with a plurality of openings 46, which have a cross section smaller than the bottom area of the plastic housing 3 of the component 2, followed by a predetermined distance. Is provided. Groove 45 covered with steel belt 42 formed on top of guide body 44 is connected to a source not shown for vacuum or negative pressure. Each opening 46 forms a receiving area for the component 2 supported above the opening 46 by the negative pressure of the respective groove 45 and thus along with the steel belt 42 along the conveying direction, respectively. Is delivered from the supply portion 40 of the to the removal position 41. The component 2 is fixed by sound pressure in this direction.

The driving device 47 drives the steel belt 42 through any one of the deflection wheels by a control means 25. The clock unit defined in the control means includes two parts 2 having two parts. Located on the two receiving areas 46 of the conveyor area A 'by the vacuum chuck 35a and in the subsequent cycle, another two parts 2 are conveyed by the vacuum chuck 35b to the conveyor area B'. Located above two receiving regions 46 each time the steel belt 42 is moved along its length in the conveying direction F2 corresponding to the distance of the two receiving regions 46 and then the two conveyor regions. The supply part 40 of (A ', B') is defined so that two empty receiving areas 46 may be prepared in turn. On the conveyor section provided between the supply portion 40 and the removal position 41, blowoff means are provided for removing faulty or incorrectly directed components from two sides. The ejection means, designated 48, extends over the elongated length of the conveyor section formed by the belt 42 and is formed by a strip and is used as a hold-down means from the belt.

The component 2 of the removal position 41 is particularly easily removed from the fractionation or delivery section 39 according to the vacuum chuck 9 of the conveying system 8.

According to the advantages of the device 7, the same rear end machine 1 can be used for a wide variety of lead frames 6 and the distance P between the components 2 in the longitudinal direction of the lead frame is also wide. Can be changed. It is conceivable to simply use software for correspondingly controlling each distance P in the travel direction V of the lead frame 6. Depending on the device 7 the lead frame 6 may also be triggered or manufactured so that it can be treated with only two or four rows of the component 2 and also with a number of other rows. Under the control of the device 7, the parts 2 of the row A only reach the conveyor area A 'and the parts 2 of the row B only reach the conveyor area B'. Done.

Buffer station (12)

11 shows the buffer station 12 in a schematic cross sectional view. The buffer station 12 is driven around a vertical axis and has a disc shape with a plurality of openings 50 on the outer circumferential surface that are easily formed in the openings 46 and form a receiving area for one component 2 at a time. Is made of a transport wheel 49.

Under the openings 50 provided at evenly spaced intervals, the disk-shaped guide body 52 adjacent to the transport wheel made of a thin disk has a groove shape and an upper part covered with the transport wheel 49. Shaped vacuum channel 51 is formed. The transport wheel 49 is located below the path of motion of the vacuum chuck 9 of the transport system 8 and the travel paths cross diagonally.

The component 2 is inserted into the buffer station 12 by lowering the vacuum chuck 9 toward the opening 50 so that it is positioned on one side of the buffer station each time. On the opposite side, the component 2 is again removed from the buffer station by this continuously lowered vacuum chuck 9.

In this buffer station, in particular in combination with the vacuum fixing operation of the vacuum chuck 9 and the component 2 formed on the transport system 8 of the receiving area formed by the opening 50, the component 2 is in particular a single one. Simply conveying from the transport element, in particular from the vacuum chuck 9 to another transport element, in particular to the transport wheel 49, and vice versa, is possible without other mechanical assistance.

Rotary station (14)

12 is a sectional view showing a transportation system 8a corresponding to the transportation system 8 as a basic structure but having a difference as described below. 12 shows, among other things, a vertical support element 53 such as a plate. The vertical support element 53 is attached to a horizontal support strip 54 which extends in the transport direction of the transport system 8a, ie perpendicular to the plane of FIG. 12, which supports the guide strip 20 formed of plastic. The guide strip is formed of two parts and consists of an upper individual strip 20 'and a lower individual strip 20 "attached to a place parallel to each other and having a certain distance from each other to the supporting strip 54. Between the two strips a slot 55 is formed which terminates in the vacuum distribution channel 56 which is connected to the vacuum source via at least one channel 57. As a transport element, a continuous steel to which the retaining pad 17 is attached. A belt 15 is provided, for guiding in the vertical axial direction, a guide plate 58 is provided which extends beyond the entire length of the guide strip 20 and is attached to the support strip 54 up and down, so that one Each guide plate having an edge region overlaps the upper and lower individual strips 20 ', 20 "and extends over the guide surface of the guide strip 20 so that the steel belt 15 and the pad 17 areGuide plates 58 are guided through upper and lower portions, respectively. Here, the pad 17 is made of plastic. The opposite guide strip 20 is a counterstay formed by the plate 59.

In the pad 17, the vacuum pits or vacuum chucks 9a can move vertically and rotate about their vertical axis. The vacuum chuck 9a is fundamentally different from the vacuum chuck 9 in that a slot 60 is provided on the upper surface of the widened head 9a '. It is formed by a slotted cross member.

The transport system 8a also has an upper guide 61 suitable for the bottom of the head 9a 'behind the vacuum chuck 9a. This guide consists of a fixed segment 61 ′ which is provided such that the vacuum chuck 9a is located in a predetermined vertical position, ie in an elevated position. The guide 61 also has a movable segment 61 ", which segment 61" is where the vertical operation of the vacuum chuck 9a is required, for example the bending station 10 as described above. , The measuring station 11, the buffer station 12, the delivery area to the receiving area 13, the belt station 13 ′ shown in FIG. 13 and described later, and the removal position 41.

In the rotary station 14, the guide 61 is formed by a fixed segment 61 ′. The rotary station 14 is provided with an actuating spindle 62 which rotates by a drive device not shown about the vertical axis of the vacuum chuck 9a. The vacuum chuck 9a is movable in the vertical direction above the operating passage of the head 9a 'and lowered by the screwdriver-type driver 63 and then placed on the respective vacuum chucks below the spindle 62. Inserted in the slot 60 of 9a, the vacuum chuck 9a is rotated about a vertical axis by a given angle through a driving device not shown.

In order to prevent undesired twisting of the vacuum chuck 9a during movement along the transport section, the upper part of the guide 61, the bottom corresponding to the driver 63 and the spindle 62 along the driver 63. It is desirable to provide a separate guide with strip-shaped projections that are properly inserted into the slots 61 of the head 9a 'without the head. Since the slot 60 is formed crosswise with slots having two individual slots interacting at 90 degree angles, the vacuum chuck 9a further operates along the conveyor section even after being rotated 90 degrees or multiples thereof.

The transport system 8a is characterized in that the vacuum chuck 9a has a vacuum channel 64 formed extending from the top of the head 9a 'to the bottom of each of the small pipe-shaped vacuum chucks. The channel 64 is sealed by an insertion member 65 formed of a transparent or translucent material such as acrylic glass.

Belt station (13 ')

13 shows a belt station 13 ′ above the transport system 8 a. At the belt station, the component 2 lowers each vacuum chuck 9a and inserts it into the cup 66 of the belt 67 prepared below it. Specifically, one part 2 at a time is inserted into one of the cups provided continuously on the belt 67. For this reason, the belt station 13 ′, in particular the slide 68, is provided with a segment 61 ″ of the guide 61, where the slide 68 extends over the entire length of the machine and By the central camshaft 70 which drives another station and is driven in synchronism with the drive of the steel belt 15, it can move further away through the control lever or rocker 69 and also move in the vertical direction. Through the slide 68, the upper ram 71, which is a segment 61 "of the guide 61 and is properly inserted into the slot 60 and adjacent to the top of the head 9a ', moves up and down. The segment 61 "is preferably provided over the slide 68 and causes the ram 71 to resiliently actuate, so that when the segment 61" moves down, the ram 71 simultaneously moves down. The movement is accompanied by the movement of the spring and the segment 61 "moving upward. The ram 71 has a vacuum channel 64 for the vacuum chuck 9a which is located above the belt station 13 '. A channel 72 is provided which forms an extension of the two channels 64, 72 which provide a light path provided between the light detector 74 and the light emitting element 73, for example an IR light emitting diode. In this embodiment, the light emitting element 73 is provided below the movement path of the belt 67, so that light is emitted to the cup 66 prepared above the belt station 13 'and the vacuum chuck 9a. The axis of the light beam emitted from the element 73 forms the axis of the cavity with the axis of the channels 64, 72, The light beam passes through an opening 75 formed in the bottom of each cup 66. The light detector 74 is located at the top of the ram 71.

As long as the component 2 is above the vacuum chuck 9a, the light path is subjected to interference. If the belt continues to move by one division even after the component 2 is inserted into the belt 67, the light rays emitted through the light emitting element 73 hit the photo detector 74. By using these two signals, a monitoring operation for inserting the component 2 into the belt 67 which eliminates the error is possible.

In addition, a monitoring section formed by the elements 73, 74 may also be provided over other areas of the transport system 8 or 8a.

FIG. 14 shows a lead frame 6a, a perforation and positioning device 7a, and thus a transfer section 39, as yet another embodiment of a view similar to FIG. 9.

In the lead frame 6a according to the embodiment of FIG. 14, there are provided parts 2 formed in five rows in the longitudinal or traveling direction V of the lead frame. That is, the five parts 2 are joined to each other at once in the longitudinal direction of the lead frame.

The drilling and positioning device 7a is similar to the drilling device 7 and is provided with a punching tool, with the part 2 at the cutting station 27 or the cut 80 moving stepwise forward. Punched from the lead frame 6a and then punched from below with the corresponding punching tool. According to this operating feature, in each cycle, all the parts 2 of the two groups 81, 82 arranged adjacent to each other in the travel direction V and arranged transversely to the travel direction V are simultaneously Is punched. In other words, in the embodiment according to the invention, all ten parts 2 are punched out at the same time. All parts of the group 81 are then combined with the conveying means 83 and moved to the corresponding receiving region 46 of the row B, and all parts of the group 82 are combined with the conveying means 84 It is moved to the corresponding receiving area 46 of row A. Each delivery means 83, 84 is thus equipped with a plurality of vacuum chucks 35. In other words, in the embodiment according to the invention, the parts 2 of the respective groups 81 and 82 are arranged with respect to each other in a line perpendicular to the longitudinal extension line or the traveling direction V of the lead frame 6. Five vacuum chucks 35 are provided at the same time, arranged at the same axial distance as the distance to be. A vacuum chuck 35 is provided on the slide 85 of the delivery means 83 or on the slide 86 of the delivery means 84. These slides are located above the plane of the lead frame 6a and guided on a guide in a plane parallel to the plane of the lead frame 6a, and are moved transversely along the travel direction V by the drive device in the plane. . In FIG. 14, the double arrow C points to the delivery means 83 or its slide 85, and the double arrow D points to the delivery means 84 or its slide 86.

Implementation of one of the two slides shown in FIG. 14 to achieve the deployment operation required for the machine distance X, which is necessary for further processing of the part or which is an increase in the distance between the groups 81, 82. According to an example, in particular the slide 85 of the delivery means 83 is controlled by the cam control 87 and thus through the delivery section 39 from the initial position via the lead frame 6a or the cutout 80. For each stroke made in the delivery position, it performs an operation perpendicular to the conveying direction (V) and at the same time performs a lateral motion in one axis parallel to the conveying direction (V), and thus, the conveying means The punched part 2 of the group 81, which is delivered with 83, is located above the transfer section of the column B with the distance X from the column A. The distance X is greater than the distance away from the component 2 of the group 82 in which one component 2 of the group 81 is provided in the longitudinal direction of the lead frame. In the delivery position, the vacuum chuck 35 of the delivery means 83, 84 is located above the receiving region 46 of the rows A, B.

The slide 86 of the delivery means 84 is moved linearly in the embodiment according to the invention, ie in a plane parallel to the lead frame 6a and perpendicular to the direction of travel V. Thus, in the delivery position of the delivery means 84, the component 2 supported on the vacuum chuck 35 of the delivery means is located above the free receiving area of the row A of the delivery section 39.

According to the advantage according to the embodiment of FIG. 14, first of all, it is possible to transfer all ten components 2 at once from the lead frame 6a to the transfer section 39, thus providing a supply unit ( High efficiency of the working speed of 5a) can be achieved.

The supply unit 5a is particularly suitable for the treatment of the lead frame 6a having a plurality of rows of parts. According to the advantage of this lead frame, it is possible, among other things, to save considerable material in the number of parts 2. In particular, in the material of the lead frame, it is possible to save a substantial part of the material required for the housing of the component 2, also called "molding", that is, the material required for molding the housing of the component 2. In addition, a lead frame having a plurality of rows provided in the longitudinal direction provides the advantage of quality improvement, in particular of "molding".

<Description of the code | symbol about the principal part of drawing>

1: trailing machine 2: parts

3: plastic housing 4: lead

5, 5a: supply unit 6, 6a: lead frame

6 ': edge area 6 ": through hole

7, 7a: drilling and positioning device 8, 8a: transport system

9, 9a: vacuum chuck 9a ': head

10: bending station 11: measuring station

12: buffer station 13: receiving area

13 ': belt station 14: rotating station

15: steel belt 16: deflection wheel

17: pad 18: spring

19: cam control unit 20: guide strip

20 ', 20 ": Individual strip 21: Vacuum channel

22: opening 23: lead frame supply means

24: transfer unit 25: control means

26: input unit 27: cutting station

28, 29: cutting part 30: die

31: die opening 32: clamp element

33: Tool 34: Clipping Punch

35, 35a, 35b: vacuum chuck 36: transfer plate

37: drive device 38: axis of rotation

39: Classification or Delivery Section 40: Supply Section

41: Removed position 42: Steel belt

43: deflection roller 44: guide body

45 groove or vacuum channel 46 opening or receiving area

47: drive device 48: blowing means

49: transport wheel 50: opening

51: vacuum channel 52: slide or guide body

53: support element 54: support strip

55: slot 56: distribution channel

57: connecting channel 58: guide plate

59: plate 60: slot

61: guide 61 ', 61 ": segment

62: spindle 63: driver

64: vacuum channel 65: insertion member

66: cup 67: belt

68: Slide 69: Rocker

70: camshaft 71: ram

72: channel 73: light emitting element

74: light detector 75: opening

80: cutting part 81, 82: group

83, 84: delivery means 86, 86: slide

87: cam control unit

Claims (28)

Formed by a first transport element 39, 49 and a second transport element 8, 8a, each having a plurality of receiving areas for receiving and holding one part 2 at a time, each part 2 ) Have one or more conveyor sections that form a common conveying area from the receiving area of one transport element to the receiving area of the other transport element, wherein the receiving area of the one transport element is a pipette-like vacuum chuck ( In a conveying device for carrying small parts, in particular small electric parts, having a configuration formed at 9, 35, The receiving area of the other transport element is formed in the openings 46, 50 in the transport belt 42 or the transport wheel 49 of the transport element, The transport belt or transport wheel is placed on a guide body 44, 52 with one or more vacuum channels 45, 51, the sides of which are opposed to the receiving area, and the guide body 44, 52. And a transport belt (42) or transport wheel (1) which seals the vacuum channel in the surface area of the guide body, so that the openings (46, 50) face away from the guide bodies (44, 52). A suction opening for holding the component 2 on the side of 49), The conveying elements 8, 42 are provided with a plurality of receiving areas, which are provided so as to form one or more lines in the conveying directions F1, F2, A device for transporting small parts, in particular small electrical parts, characterized in that at least one transport element is formed with at least two rows of receiving areas 46 or conveyor areas A ', B'. 2. The transport belt 42 or the transport wheel 49 has a flat horizontal support surface for the component 2 on the side facing away from the guide body 44, 52. Small parts, especially small electrical parts conveying devices. A cutting station 27 which forms the lead frame supply means 23, one or more cuts 28, 29, 80 for cleanly cutting the part 2 from the lead frames 6, 6a, and one or more cuts ( In a system for handling the component 2 with a conveying system or conveyor section for accurate relaying of the component 2 perforated from 28, 29, 80, to a device for transporting small components, in particular small electrical components, In The transport system is formed by a first transport element 36, 83, 84 and a subsequent second transport element 39 having at least two conveyor regions A ′, B ′, In each of the two or more conveyor regions A ', B' in the conveying direction F2 of the second transport element 39, the receiving regions 46 for the component 2 follow one another, The two or more conveyor regions A ', B' maintain a predetermined distance from each other in the transverse direction with respect to the conveying direction F2, A transfer section 24, a cutting station 27 and a cut section 80 of the lead frame supply means 23, one for processing the lead frames 6, 6a in which the parts are arranged in a plurality of rows in the longitudinal direction; The above conveying elements 36, 83, 84 are constituted, and these constituent members are part of the first conveying element 36 in which the parts 2 are perforated from the lead frames 6, 6a in the working cycle of the apparatus. , 83, 84, characterized in that it is conveyed to the first conveyor region A ', B' and partly controlled to be conveyed to the second conveyor region A ', B' of the second transport element 39. Small parts, especially small electrical parts conveying devices. 4. The first distance (X) according to claim 3, characterized in that the first distance (X) is greater than the distance that the components (2) in the lead frames (6, 6a) are separated from each other in the longitudinal direction of the lead frame or in the transverse direction of the lead frame. Small parts, especially small electrical parts conveying devices. The cutting station 27 according to claim 3 or 4, for processing the lead frames 6, 6a in which the parts 2 are arranged in several rows A, B extending in the longitudinal direction. The control of the cutout 80, the feeder 24 of the feed means 23 for the lead frames 6, 6a, and the one or more transport elements 36, 83, 84, is carried out in two groups in one work cycle. Of parts 2 are perforated on one or more cuts 28, 29, 80 at a time so that at least one of the second transport elements 39 assigned to said respective group from at least first transport elements 36, 83, 84. Controlled to be relayed or transported to conveyor areas A ', B' and receiving area 40, The parts 2 of each group are characterized in that they comprise at least two parts which follow one another in the travel direction V of the lead frames 6, 6a or in the yellow direction with respect to the travel direction V. Small parts, especially small electrical parts conveying devices. 5. The component 2 according to claim 3, wherein the components 2 of the lead frame 6 are arranged in two or more groups of rows A, B, each extending in the travel direction V. 6. Cutting stations 27 for each group of rows A, B form cutouts 28, 29, the cutouts 28, 29 being offset from one another in the travel direction V, The control of the conveying part 24, the cutting station 27, and the first transport element 36 of the lead frame supply means 23 is above the cutting parts 28, 29 assigned to one group in one work cycle. A group of rows A and B of the second transport element 39 assigned to a group from the first transport element 36 to be drilled as a group of parts and Controlled to be relayed to the receiving area 46, In a work cycle that follows, the parts 2 of the second group of rows A, B are drilled as a group of parts on the cuts 28, 29 assigned to the rows of the group so as to remove from the first transport element 36. Small component, in particular small electrical component conveying device, characterized in that it is relayed to the conveyor region (A ', B') and the receiving region (46) of the subsequent second transport element (39) assigned to the second group of rows. The cutting device according to claim 3 or 4, wherein in two or more groups of rows and in two or more rows per group, each cut 28, 29 has two cutting tools 31, 34, In each work cycle of the cutting station 27 and the first transport element 36, two or more parts 2 are removed from each of the cuts 28, 29 at one time in each of the lead frame rows A, B. Small component, in particular small electrical component conveying device, characterized in that it is relayed to the conveyor regions (A ', B') of the second transport element (39) corresponding to the group. 5. The compact according to claim 3 or 4, characterized in that the traveling stroke of the lead frame (6) formed by the conveying part (24) of the lead frame supply means (23) can be freely adjustable or programmed. Parts, especially small electrical component conveying devices. The first transport element 36 according to claim 3 or 4, for holding the component 2 in the cuts 28, 29 and for transferring it to the conveyor areas A ', B' of the second transport element. A small component, in particular a small electrical component conveying apparatus, characterized by comprising a holder for performing a predetermined stroke between the cut portion on the conveyor regions A 'and B' and the supply portion 40. 10. Small component, in particular small electrical component carrier, according to claim 9, characterized in that the vacuum chuck (35) moves on a circular path about a rotating vertical axis (38). 4. The sorting section according to claim 1 or 3, wherein the second transport element 39 consists of a sorting section with means 48 for removing the defective part 2 or the wrong direction part 2. Small parts, in particular small electric parts conveying device, characterized in that. 4. The endless rotating belt (42) according to claim 1, wherein the second conveying element has a plurality of openings (46), at least one of which has a constant length forming one receiving area at a time. Of the openings 46 so as to form a receiving area for holding the component 2 in a vacuum state, the belt being spaced apart from the guide above each opening 46 and having its upper side facing up. A belt of predetermined length forming a conveyor section of the second transport element in the region is supported against one or more guide bodies 44 with one or more groove-shaped vacuum channels 45 connected to a vacuum or negative pressure shaft. Characterized by a small component, in particular a small electrical component conveying device. 4. The at least one first transport element (83, 84) according to claim 1, wherein the part (2) is transferred to at least one conveyor area (A ′, B ′) of the second transport element (39). In addition to operating in the transverse direction of the two conveyor regions A ', B' in order to increase the distance of the component in the lead frames 6, 6a to the first distance X , Especially small electrical component conveying devices. 4. The first transport element (36, 83, 84) according to claim 1 or 3, characterized in that the plurality of parts (2) adjacent each other transversely to the longitudinal direction of the lead frame at one time in one operating cycle. A small component, in particular a small electrical component conveying device, characterized in that it is transmitted as a group of parts from the conveyor area (A ', B') of the second transport element (39). 4. The parts according to claim 1, wherein all parts 2 located in the transverse rows of the longitudinal axis of the lead frame in one operating cycle are perforated out of the lead frame and transferred to the conveyor regions A ′ and B ′. Small component, in particular small electrical component conveying device, characterized in that the. 4. The method of claim 1 or 3, wherein the first transport element is formed by two or more delivery means (83, 84), the first delivery means (83) of which the components are transversely of the lead frame. The parts of the first group of parts 81 which are adjacent to each other are transferred, and the second delivery means 84 transfers the parts 2 of the second group of parts 82 which are adjacent to each other in the transverse direction of the lead frame. Device for transporting small parts, in particular small electrical parts, characterized in that it is transferred to the first conveyor area (B ') or to the second conveyor area (A') of the second transport element (39). The first component group 81 and the second component group 83 are shifted with respect to each other in the longitudinal direction of the lead frame, and from the initial position in the cut portion 80. Small parts, in particular small, characterized in that drive and guide means for the delivery means 83 are provided for moving the parts to the delivery positions of the conveyor regions A ', B' of the second transport element 39. Electrical component conveying device. The process according to claim 1 or 3, wherein in each operating cycle, the parts of the first and second group of parts in the cutout 80 are perforated out of the lead frame and the respective conveyor regions A 'and B'. Small component, in particular small electrical component conveying device, characterized in that it is transmitted through the delivery means (83, 84) above. With one or more transport sections 8a formed by one or more transport elements with a plurality of holders consisting of a vacuum chuck 9a for the part 2, together with the transport element 15 along the transport system 8a In a device for carrying a small component, in particular a small electrical component, in which the moved vacuum chuck 9a is movable in the direction of the vertical axis, The vacuum chuck 9a is rotatable above the transport element 15 about its axis, At least one turning or rotary station 14 is formed above the transport system 8a so that the chuck passes over it, and a drive device actuated by driving thereon is located at the rotary station 14. Small component, in particular small electrical component conveying device, characterized in that it is coupled to the vacuum chuck (9a) at one time and acts to rotate the vacuum chuck (9a). 20. The device as claimed in claim 19, wherein the vacuum chucks (9a) are provided at one end each with a slot (60) in which the drive device is mounted therein during engagement. 21. Small component, in particular small electrical component conveying device according to claim 19 or 20, characterized in that a drive device (63) is provided on the end of the drive element (62) which rotates by driving about the axis of each chuck. . 21. Small component, in particular small electrical component conveying device according to claim 19 or 20, characterized in that the drive (63) is provided at one end of the spindle (62). 21. The device as claimed in claim 20, wherein said slot (60) is a slotted cross. Device according to claim 19 or 20, characterized in that the guide (61) is installed behind the vacuum chuck (9a). A vacuum channel formed by one or more transport elements having a plurality of holders consisting of a vacuum chuck 9a for the component 2, each of which forms an opening at one end for carrying the component 2 under vacuum; Small parts, in particular small, with one or more transport systems 8a having 64 and in which the vacuum chuck 9a moving with the transport element 15 along the transport system 8a is movable in the direction of the vertical axis. An apparatus for carrying electrical components, The transport section 8a is formed with one or more test stations for checking for the presence of components on the vacuum chuck 9a, the test station having a light emitting element 73, a photo detector 74, and between them. A small component, in particular a small electrical component conveying device, characterized in that a photovoltaic barrier is formed, which is composed of a light passage formed in and to which a vacuum channel (64) provided in the vacuum chuck (9a) is coupled. Device according to claim 25, characterized in that the vacuum channel (64) on the other end is closed by inserting a transparent or translucent material. 27. The test position according to claim 25 or 26, wherein at least one light emitting element (73) and a photo detector (74) are provided spaced apart from each other on a common optical axis above the passage of the vacuum chuck (9a) movement. In each of the vacuum chucks 9a, the chuck having the axis of the vacuum channel 64 is coaxial to the optical axis between the light emitting element 73 and the photo detector 74. Device. 26. The transport element according to claim 25, characterized in that the conveying element is a steel belt (15) which is guided into a closed loop via at least two deflection rollers or deflection wheels and provided with a vacuum chuck (9a) outward with respect to the loop. Small parts, in particular small electric parts conveying devices.