JP4452817B2 - Circuit board sheet pasting device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a frame pasting device for a sheet-like workpiece for circuit boards, and more specifically, as a preparatory step for punching or printing a sheet-like workpiece that is a circuit board manufacturing material such as a ceramic green sheet or a flexible substrate, It is related with the frame sticking apparatus which mounts | wears with the holding frame (work holder) surrounding 4 circumference | surroundings.
[0002]
[Prior art]
Conventionally, in the manufacturing process of an electronic circuit board, an electrical conductive material is imprinted into a conduction hole to perform a drilling process for opening a conduction hole or a reference hole in a substrate manufacturing material such as a ceramic green sheet or a film carrier or a conduction process. However, the substrate manufacturing material, which is a workpiece, is a sheet-like material cut into a predetermined length and is difficult to handle because it is thin.
Therefore, the cut substrate manufacturing material, that is, the sheet-like workpiece, is surrounded by a thin (generally about 0.4 to 1.0 mm) rectangular frame-shaped metal workpiece holding frame (work holder). A frame pasting operation is performed in which the tape is pasted around the four sides and fastened to the holding frame, thereby facilitating handling such as workpiece conveyance and setting during processing.
[0003]
Conventionally, as the above-mentioned frame pasting work, an operator stands on the front of a work table provided with a tape sticking machine for automatically feeding and sticking the tape, and the worker sequentially puts the work holding frame and the work one by one. It was supplied on the work table, placed in front of the tape applicator with the work placed on the work holding frame, and the tape applicator was automatically applied with the tape.
That is, the tape applicator moves back and forth on the work holding frame, returns after attaching the opposite side edges of the work along the holding frame, and then the operator rotates the work holding frame 90 degrees, Is moved back and forth on the holding frame again to paste the other opposite side edges of the work along the holding frame, and then collects the work after the frame has been pasted from the work table.
[0004]
[Problems to be solved by the invention]
However, although the frame pasting operation is semi-automatic, that is, the tape pasting is automatically performed by a tape pasting machine, the work holding frame and the individual work feeding work and the collection work after the frame pasting must be performed manually by the operator. The workability was extremely inferior.
In order to solve the above problems, the work holding frame and the work supply / recovery operation may be mechanically automated. In this case, the holding frame supply machine is generally provided on a conveying path such as a conveyor arranged in a straight line. The apparatus which arrange | positions a workpiece | work supply machine, a 1st tape sticking machine, a 2nd tape sticking machine, and the collection | recovery machine of the frame pasted work in order is tried.
However, in the arrangement in the above trial example, the installation space of the apparatus becomes large, and particularly when a work feeder is incorporated, the positioning with the conveyance path is deteriorated and there is a problem in the arrangement of the factory arrangement. The feeder has to put a cut workpiece into a magazine and supply the workpiece from the magazine, and there is a problem that workability cannot be improved.
Further, in the arrangement of the trial example described above, there is an organic connection of the work, specifically, since the holding frame supply position and the collection position are separated from each other, it is not possible to provide a common conveying means, and the overall arrangement arrangement is compact. This causes a problem that cannot be obtained.
[0005]
In view of the above-described conventional circumstances, an object of the present invention is to reduce the installation space so as to facilitate the arrangement in the factory and to functionally simplify the conveying means for supplying and collecting the work holding frame. It is another object of the present invention to make it possible to arrange a workpiece feeder that cuts and feeds a workpiece fed from a roll raw material into a predetermined length with good fit, and to improve workability and ensure a single-sheet feeding operation.
[0006]
[Means for Solving the Problems]
Such a frame pasting device for a sheet-like workpiece of the present invention is a work for placing a rectangular sheet-like workpiece on a rectangular-frame-like workpiece holding frame and attaching a holding frame to the outer periphery of the workpiece by sticking tape around the periphery of the workpiece. Is to automate.
Specifically, a rotary table is installed so as to be able to rotate horizontally and intermittently to form a plurality of stages, and a frame magazine and a recovery magazine are arranged on both sides of the first stage, and the second stage. A workpiece feeder is disposed on the side of the stage, a tape applicator is disposed on the other stage, and one piece from the frame magazine is provided between the first stage and the frame magazine and the recovery magazine. At the same time as supplying the work holding frame to the first stage, there is provided a conveying means for collecting the work after the frame pasting on the first stage to the collection magazine, and the tape pasting machine uses a pasting roller to feed the tape respectively fed from the tape roll. And cutting at a predetermined length position while pasting along the opposing side edges of the workpiece and the holding frame.
According to the present invention, one work holding frame taken out from the frame magazine by the conveying means is supplied and placed on the work area (work table) on the first stage of the rotary table that rotates intermittently. When the base plate reaches the second stage, a single sheet-like workpiece is supplied and placed on the holding frame of the base plate by the workpiece supply machine.
And when the said work base plate reaches the subsequent stage, a tape is stuck along the opposing side edge and holding frame of the said workpiece | work with a tape applicator, and the remaining opposing side edge and holding frame of the said workpiece | work The tape is pasted along and the frame pasting is completed.
Thereafter, when the work base plate returns to the first stage, the work on which the frame of the base plate has been pasted is carried out together with the holding frame to the collection magazine, and at the same time, a new work holding frame is taken out from the frame magazine. Replenished onto the workbench.
The frame pasting operation is sequentially repeated for each rotation of the rotary table.
[0008]
And the concrete structure of the said workpiece supply machine cuts the workpiece | work drawn | fed out from the roll original fabric into predetermined length, and it is preferable to supply the one piece to the workpiece | work holding frame on the said 2nd stage by a conveyance means. (Claim 2).
In addition, the rotary table has at least three work platform plates, that is, a work holder supply / collection stage, a work supply stage, and a tape application stage. In order to increase, it is preferable that the tape application stage is divided into two. In other words, the rotary table has a work table plate in a cross shape in plan view and is installed so as to be capable of intermittent horizontal rotation every 90 degrees to form four stages, and the tape is applied to the third and fourth stages, respectively. A machine is provided (Claim 3).
[0009]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. The apparatus is provided in a casing 1 having a caster 1a and having portability, and a turntable 3 is placed horizontally on a base 2 in the casing 1. A collection magazine 4 and a frame magazine 5 are arranged on the front base part 2a, which is installed so as to be rotatable and arranged at a position one step lower than the front part of the base 2 with a space left and right. ), The workpiece feeder 6 is disposed in a range extending from the front base portion 2a to the middle of the side surface of the base 2.
In addition, two tape applicators 10 ₁ and 10 ₂ are suspended from the rotary table 3 on the base 2 by an installation arm or the like.
[0010]
The rotary table 3 is a cross-shaped table in plan view in which work table plates 3a, 3b, 3c, and 3d are projected in radial directions at intervals of 90 degrees from the center, and the rotary shaft 11 at the center is attached to the base. 2 and a drive unit 12 using a servo motor or the like is connected to the support shaft 11 so as to be intermittently rotated every 90 degrees. Thereby, the four positions where the work table plates 3a, 3b, 3c, 3d of the turntable 3 stop are defined as work stages A, B, C, D.
For the sake of convenience, the front part in the figure is the first stage A, and the work stage is the second stage B, the third stage C, and the fourth stage D in the clockwise direction from there.
In addition, each work base plate 3a, 3b, 3c, 3d is attached so that the positioning member 13 which protrudes slightly on the upper surface thereof is detachable, preferably adjustable.
[0011]
The collection magazine 4 and the frame magazine 5 are arranged on the left and right sides with the first stage A in between, so that a rectangular frame-shaped work holder (work holding frame) 20 is accommodated in the frame magazine 5 in a stacked form. The collection magazine 4 collects and stores the workpiece W and the workpiece holder 20 (hereinafter referred to as the frame pasting workpiece 20W) after the frame pasting is completed.
The magazines 4 and 5 are provided with lifters 16a and 17a that are moved up and down by drive units 16 and 17 using a servo motor or the like, and the lift plates 14 and 15 at the upper ends of the lifters 16a and 17a are attached to the magazines 4 and 15, respectively. 5 is arranged. Thereby, the elevating plates 14 and 15 are moved up and down in the magazines 4 and 5 through the lifters 16a and 17a by driving the drive units 16 and 17, and more specifically, the elevating plate 15 corresponds to the thickness of one work holder 20. Each frame magazine 5 is intermittently moved upward from the bottom, and the lifting plate 14 is intermittently moved downward from the upper end within the collection magazine 4 by the thickness of one frame pasting work 20W (FIGS. 2 and 3). reference).
[0012]
In addition, the first stage A is provided with a transport machine 30 in which two transport tools 31 a and 31 b are connected and integrated so as to be installed on the front end portion of the base 2.
The transport tool 31a includes suction pads 32a arranged at intervals in the front, rear, left, and right, and the transport tool 31b also includes suction pads 32b. The suction pads 32a and 32b are timely workpiece holders due to suction by vacuum. 20 or the frame pasting work 20W is adsorbed.
The conveying tools 31a and 31b are connected and integrated by a connecting arm 33, and the connecting arm 33 is connected to a driving unit 34 so that the driving unit 34 can reciprocate left and right and move up and down. Specifically, the transport tools 31a and 31b simultaneously perform a transport operation, the transport tool 31a reciprocates between the first stage A and the collection magazine 4, and the transport tool 31b includes the frame magazine 5 and the first stage. Set to reciprocate between A and A.
[0013]
In the transport device 30, the state where the transport tool 31a is disposed above the first stage A and the transport tool 31b is disposed above the frame magazine 5 is a reference position, and both transport tools descend at the reference position, and the transport tool 31a. The suction pad 32a sucks the frame-attached workpiece 20W, and at the same time, the suction pad 32b of the transport tool 31b sucks the work holder 20.
Next, both transport tools 31a and 31b move up and move to the position where the transport tool 31a has reached the upper side of the collection magazine 4 and the transport tool 31b has reached the upper side of the first stage A. Then, the frame pasting work 20 </ b> W is collected into the collection magazine 4, and at the same time, the work holder 20 is placed on the work table 3 a of the first stage A.
[0014]
The work holder 20 transported and placed on the work table 3a is positioned by the positioning member 13, and the transport tools 31a and 31b are then returned to the reference position and stand by, while the frame magazine 5 is raised and lowered. The plate 15 moves up the predetermined distance, and the lifting plate 14 of the collection magazine 4 moves down.
[0015]
The workpiece supply machine 6 is provided side by side with the work table 3b positioned on the stage B on the side of the second stage B to provide a workpiece supply table 61, and the workpiece W is wound under the workpiece supply table 61. The raw roll 62 is disposed so as to be able to be fed out by the drive shaft 63, and a pair of feed rollers 64, 64 are provided in the vicinity of the front end of the work supply base 61, and a guide member 65 is provided at the front portion of the roller 64, and the rear portion. Is provided with a cutter 66 (see FIG. 3).
The drive shaft 63 is driven by a drive unit 67 to assist the feed from the roll original fabric 62, and the feed roller 64 is connected to a drive unit 68 such as a servo motor to perform a set quantitative feed.
The workpiece W is exemplified by a ceramic green sheet.
[0016]
In addition, the workpiece feeder 6 has a workpiece conveyor 70 disposed above the workpiece feeder 61.
In this work transporter 70, a suction plate 71 having a large number of intake holes 71a on the bottom surface is installed so that it can be moved up and down and reciprocated by a drive unit (not shown). A large rectangular thin plate is reciprocated between the work supply table 61 and the second stage B by the drive unit, and is moved up and down on the work table 3b of the work supply table 61 and the second stage B, respectively. To do.
Similarly to the above-described suction pads 32a and 32b, the suction plate 71 also sucks and conveys the workpiece W on the workpiece supply table 61 by the suction action by the vacuum.
[0017]
The workpiece feeder 6 is cut by the cutter 66 when the workpiece fed from the roll web 62 when the driving unit 68 is driven is fed to the workpiece supply table 61 by the feeding rollers 64 and 64. Thereby, a single workpiece W having a predetermined length is carried out to the supply table 61.
Next, the workpiece W on the supply table 61 is adsorbed to the bottom surface of the suction plate 71 when the suction plate 71 of the transporting device 70 is lowered, and then the suction plate 71 rises and moves in the second stage B direction. As a result, it is transported onto the work table 3b and is placed on the work holder 20 on the work table 3b as the suction plate 71 descends.
Thereafter, the suction disk 71 stops the vacuum action, releases the suction of the workpiece W, and further returns to the supply table 61.
The workpiece W is placed on the workpiece holder 20 in a state where the outer periphery of the workpiece W is slightly placed on the frame of the workpiece holder 20 (the drawing shows this state), or the workpiece W is fitted in the frame of the workpiece holder 61. It can be in any state of fit.
[0018]
Tape joining device 10 ₁ is laid on the work table plate 3c of the third stage C, tape joining device 10 ₂ is laid on the working table plate 3d of the fourth stage D.
Since these tape applicators 10 ₁ and 10 ₂ are the same as the tape applicators of the conventional semi-automatic working machines, detailed description will be omitted and description will be made with reference to FIG.
Tape joining device 10 _1, the linearly traversed reciprocable machine frame 102 by the third upper stage C, placing a pair of tape rolls 103a and 103b at a width interval of the workpiece W, the machine frame The tape 100a and 100b are fed from the tape rolls 103a and 103b to the sticking rollers 104a and 104b while the tape 102 is moving forward, and cut by the cutters 105a and 105b when the tapes are fed out for a predetermined length (see FIGS. 7 and 9).
The tape pasting device 10 _2, the machine frame is moved to 102 in the same direction 'has its machine frame 102' fourth stage reciprocatable machine frame 102 in a direction traversing the upper D, the tape similar tape roll 103a and pasting machine 10 _'and 103b', the joining roller 104a 'and 104b', is intended for feeding the tape 100a 'and 100b' predetermined length to provide a cutter 105a 'and 105b' (FIG. 8, 9).
Note that the tapes 100a to 100b ′ are synthetic resin tapes or paper tapes, such as polyester, which are less stretched and have a thickness of about 10 μm.
[0019]
Thus, the automatic frame pasting operation of the frame pasting apparatus will be described. Due to the intermittent rotation of the rotary table 3, the work table plates 3a to 3d of the table are sequentially moved from the first stage A to the fourth stage D one by one. The operation is automatically performed at each of the stages A to D during the stop, and the work table plates 3a to 3d complete one stroke by one rotation.
In the first stage A, the frame pasting work 20W on which the frame pasting has been completed in the previous process is transported from the work base plate 3a to the collection magazine 4 and collected by the transport tool 31a of the transport machine 30 described above. 31b takes out a new work holder 20 from the frame magazine 5 and conveys and supplies it onto the work table 3a (see FIGS. 4 and 5).
That is, the first stage A is a work holder collection / supply stage.
[0020]
In the second stage B, one work W sent to the work supply table 61 of the work supply machine 6 is transferred to the work table plate 3b (actually, the second stage B) that has reached the second stage B by the transfer device 70 described above. 3a, a unique code is used for each stage (the same applies hereinafter), and is transported and placed on the work holder 20 (see FIG. 6).
That is, the second stage B is a work supply stage.
[0021]
In the third stage C, and on the worktable plate 3c reaching the stage tape joining apparatus 10 ₁ moves, the tape roll 103a, tape 100a from 103b, unwound 100b, they joining roller 104a, by 104b After affixing along the opposing side edge of the workpiece W and the frame of the workpiece holder 20, the workpiece W is cut by cutters 105a and 105b (see FIGS. 7 and 9).
In the fourth stage D, and taping is the workpiece W to one of the opposing side edges in the third stage C, further, the tape joining device 10 ₂ over and on the frame of the other opposing side edges and the workpiece holder 20 The tapes 100a ′ and 100b ′ are attached along (see FIGS. 8 and 9).
That is, each of the third stage C and the fourth stage D is a tape application stage, and the frame application work on the work table 3d is completed by the fourth stage D, and the frame application work 20W is produced.
Thereafter, the work table plate 3d moves to the first stage A and repeats the same operation as described above.
[0022]
In the above embodiment, the workpiece W is exemplified by a ceramic green sheet. However, a flexible film or tape may be used as long as it is a manufacturing material for a circuit board.
The conveying device 30, the workpiece feeder 6, tape joining device 10 ₁ and 10 _2, as long as the desired operation of the present invention is obtained is not limited to the embodiments described above.
Furthermore, in the said embodiment, although the case (Claim 3) was shown in which the work base plate 3a-3d work base plate made the cross-sectional shape planar view, Claim 1 and 2 are not necessarily limited to it. Is not to be done.
For example, as shown in FIG. 11, a work table 3a ′ to 3c ′ is a rotary table 3 ′ that protrudes at equal intervals in three directions, and the third stage and the fourth stage, which are the tape application stages described above, One stage C ′ may also be used as a configuration, and a single tape applicator 10 ′ may perform the tape application operation twice. In this case, the rotary table 3 ′ is set to intermittently rotate every 120 degrees, and the work table plates 3a ′ to 3c ′ are provided with a turntable 300 that can rotate 90 degrees.
[0023]
【The invention's effect】
According to the present invention, it is possible to automate the frame pasting work including the work holding frame and the work supply / recovery work through the work stage configured by the installation of the rotary table.
And, since the work stage is arranged in a circular transfer path, the installation space, particularly the width direction, can be reduced as compared with the straight transfer method, and the both side spaces of the first stage are used. Then, the frame magazine and the recovery magazine are disposed there, and the workpiece feeder is disposed on the side of the second stage, so that the installation space as a whole can be reduced without expanding the depth direction. Therefore, although it is this invention apparatus which works as a preparatory process of a punching process or a printing process, it can arrange | position without the big trouble of arrangement | positioning in a factory especially.
[0024]
Furthermore, since the work holding frame and the work supply / recovery operation are simultaneously performed by a single conveying means by arranging the first stage, the frame magazine and the recovery magazine, the work efficiency can be improved and the structure can be simplified and compact. Device can be provided.
[0025]
According to the second aspect of the present invention, since the workpiece feeder cuts the workpiece fed from the roll material into a predetermined length and supplies each of the workpieces, the workpiece is cut in advance. Compared to the magazine supply method in which the magazine is housed and supplied, the number of processes can be reduced, and the replacement work of the magazine can be made unnecessary. Accordingly, incidental work such as work replenishment can be reduced and workability can be improved.
In addition, since the workpieces are supplied one by one after being cut from the raw roll, there is no supply error in which two workpieces are picked up and sucked as in the magazine supply method, and the workpiece supply operation is ensured. be able to.
[0026]
According to the third aspect of the present invention, since the arrangement balance of the four stages is good and the work operation in the tape application stage is shortened, the rotation speed of the rotary table can be increased to increase the work efficiency.
[Brief description of the drawings]
FIG. 1 is a plan view showing an outline of a frame pasting apparatus of the present invention.
FIG. 2 is a right side view of FIG.
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a plan view for explaining the work in the first stage, showing a state where the transport tool is at the reference position.
FIG. 5 is a plan view for explaining the operation in the first stage, and shows a state where the transport tool is in the movement position.
FIG. 6 is a plan view for explaining work in the second stage.
FIG. 7 is a plan view for explaining the work in the third stage.
FIG. 8 is a plan view for explaining the work in the fourth stage.
FIG. 9 is a perspective view for explaining the operation of the tape applicator.
FIG. 10 is a perspective view of a frame pasting work that has been frame pasted.
FIG. 11 is a plan view showing another embodiment of the present invention.
[Explanation of symbols]
3: rotary table 3 a to 3 d: worktable plate to D: first to fourth stage 4: recovery magazine 5: frame magazine 6: workpiece feeder W: Work 10 _1: tape joining device 10 _2: tape joining device 20: Work holder 30: Transporter 70: Work transporters 100a and 100b, 100a ′ and 100b ′: Tapes 103a and 103b, 103a ′ and 103b ′: Tape rolls 104a and 104b, 104a ′ and 104b ′: Pasting rollers

Claims (3)

In the frame pasting device for circuit board sheet-like workpieces, in which a rectangular sheet-like workpiece is placed in contact with a rectangular frame-like workpiece holding frame, and the holding frame is attached to the outer periphery of the workpiece by pasting the tape around its four circumferences.
A rotary table is installed so as to be able to rotate horizontally and intermittently to form a plurality of stages, and a frame magazine and a recovery magazine are arranged on both sides of the first stage, and on the side of the second stage. A work feeder is installed, a tape applicator is installed on the other stage,
Between the first stage and the frame magazine and the recovery magazine, one work holding frame is supplied from the frame magazine to the first stage, and at the same time, the work after frame pasting on the first stage is recovered to the recovery magazine. Providing a conveying means,
The tape applicator is cut at a predetermined length position while adhering along the opposing side edge and the holding frame of the workpiece by means of an adhering roller with the tape fed out from the tape roll.
A frame pasting device for a sheet-like workpiece for a circuit board. 2. The workpiece feeding machine according to claim 1, wherein the workpiece fed from the roll material is cut into a predetermined length, and each piece is fed to the workpiece holding frame on the second stage by a conveying means. A frame pasting device for sheet-like workpieces for circuit boards. The rotary table has a work table plate in a cross shape in plan view and is installed so that it can rotate intermittently horizontally every 90 degrees to form four stages. The frame pasting device for a circuit board sheet-like workpiece according to claim 1 or 2, characterized in that it is disposed.

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