JPH055400U - Chip carrier cutting device - Google Patents

Abstract

(57) [Summary] [Purpose] In addition to obtaining high-quality chip carriers by preventing the occurrence of burrs in a single cutting step,
An object of the present invention is to provide a chip carrier cutting device capable of reducing the number of manufacturing steps and working time, simplifying manufacturing equipment, and suppressing a rise in manufacturing cost. The upper die part 12 having a blade portion 20 in which a knife blade 34 having a single-edged tip is combined so as to correspond to the shape of a chip carrier obtained by cutting, and the material to be cut table of the lower die part 14 is placed on the upper die part 12. A plurality of chip carriers are obtained from the ceramic green sheet 50 at one time by facing the ceramic green sheet 50 placed at a predetermined position on 58 and pressing the upper mold part 12.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a chip carrier cutting device, and more specifically, a tip carrier having a single-edged tip. Uses a blade part that combines knife blades and forms multiple cutting areas corresponding to the product shape. The chip carrier made of ceramics green sheet etc. , Chip carrier cutting that can be obtained quickly and easily without generating burrs Regarding disconnection device.

[0002]

[Prior art]

  Conventionally, multiple chip carriers were obtained from large-format ceramic green sheets. To remove the chip carrier, use one knife blade to remove the chip carriers one by one. It is snap-processed to separate it from the material to be cut such as the sheet.

[0003]

[Problems to be solved by the device]

  That is, in the snap processing, all cutting work is performed with one knife blade. This cutting operation is extremely complicated and takes a long time to perform. Moreover, this In order to achieve the same cutting accuracy in two orthogonal cutting directions, A double-edged knife blade is used. As shown in FIG. 3, the knife blade 2 If the cutting depth to the ceramic green sheet 4 is shallow, the knife blade 2 The burrs 4a are generated due to the cutting edge angle 2a, and as a result, the quality is deteriorated. The burr 4a is used especially in corners in cutting work in two orthogonal cutting directions. -Noticeably occurs in the part.

[0004]   Further, in the snap processing, all cutting work in two orthogonal cutting directions is performed. Is performed using one knife blade 2, and further, a plurality of times in the two cutting directions are performed. Since it requires a process to change the cutting direction of the And requires manufacturing facilities and exposes the inconvenience that causes a rise in manufacturing costs. . To give an example, from one ceramic green sheet to 9 chips In order to obtain a carrier, the snap processing according to the prior art requires 20 steps. .

[0005]   Therefore, the purpose of the present invention is to remove the chip carrier from the ceramic green sheet. When it is obtained by cutting, it prevents burr from occurring and gives a high quality product. The number of manufacturing steps and working time can be reduced, and the manufacturing equipment can be simplified. To provide a chip carrier cutting device capable of suppressing the cost increase. To aim.

[0006]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, the present invention combines a knife blade with a single-edged tip. And an upper mold having a blade portion having a plurality of cutting regions corresponding to a desired product shape. ,   Position the material to be cut so that the material to be cut and the blade portion face each other at a predetermined position. A lower mold having a cutting material placing table,   Between the upper die and the lower die to allow the blade to enter the material to be cut. A guide rod for relatively guiding and displacing one of them. It

[0007]

[Action]

  In the chip carrier cutting device according to the present invention, a knife blade having a single-edged tip is assembled. The upper die having the matched blades was placed at a predetermined position on the printing material placing base of the lower die. Overlap with the ceramic green sheet, and relatively displace the upper mold and the lower mold. Separate multiple chip carriers from the ceramic green sheet at one time.

[0008]

【Example】

  Next, preferred examples of the chip carrier cutting device according to the present embodiment will be given. The following is a detailed description with reference to the accompanying drawings.

[0009]   In FIG. 1, reference numeral 10 indicates a chip carrier cutting device according to the present invention. The chip carrier cutting device 10 includes an upper mold part 12, a lower mold part 14, and the upper mold part 1. Basically, it is composed of a blade portion 20 held by 2. Upper mold part 12 is guide part 16 It is displaceable by directing it to the lower mold part 14 via.

[0010]   The upper die part 12 has a flat upper die set 18 and is placed below the upper die set 18. A U-shaped mounting member 26 having an opening is fixedly attached. The legs of the mounting member 26 include The frame body 28 is fixed via the spacer members 30 and 30, respectively. Easily from the figure As can be appreciated, the frame 28 projects inward and holds the blade 20 at its end. To do. The blade portion 20 has a pedestal 24, and the pedestal 24 has flanges 3 at its four ends. Have two. Then, the lower surface of the pedestal 24 is provided with a chip carrier of a desired size. Then, the knife blades 34 are fixed so as to be substantially orthogonal to each other. Knife as shown The blade 34 has a single-edged shape, and is cut between the adjacent knife blades 34, 34. The side that comes into contact with the chip carrier to be cut is blade-blade, and the side that the cutting margin comes into contact is back-back. It is arranged so that. The pedestal 24 has a plurality of holes in the vertical direction in FIG. The portion 46 is formed, and the holding plate 40 can freely move toward and away from the upper surface of the pedestal 24. Is installed in. Then, the pressing member 42 is slidably fitted into the hole 46, and The pressing member 42 is fixed to the holding plate 40 via a fixing means such as an adhesive. In this case, as shown in FIG. 1, a part of the holding plate 40 is cut out and hard elastic The pressing member 42 may be fixed via the body 48.

[0011]   Next, one end of the movable pin 49 is engaged with the upper surface of the holding plate 40. Movable pin 4 No. 9 is provided with a flange 51 at the other end, and the coil spring is attached to this flange 51. Gugu 52 sits down. The coil spring 52 is contracted to the upper die set 18. Therefore, the movable pin 49 always moves the pressing member 42 downward through the holding plate 40. Performs the function of stretching.

[0012]   In addition, a plurality of fixing pins 36 are further provided on the upper die set 18 in the lower part Extending in the direction of, the tip of which engages with the upper surface of the flange 32. Therefore, the The flange 32 is sandwiched between the fixing pin 36 and the frame body 28.

[0013]   The upper mold part 12 configured as described above has a plurality of guide annular bodies 64 at its corners. Is fixed, and the guide rod 60 is fitted into the annular body 64. Of the guide rod 60 One end is engaged with the lower die set 56 and is fitted onto the guide rod 60. And a coil spring 62 is wound. That is, the coil spring 62 The upper mold part 12 is always urged upward by the elastic force.

[0014]   In the figure, reference numeral 58 is a material to be cut, here, a ceramic green sheet. A mounting table for mounting the chair 50 is shown.

[0015]   The chip carrier cutting device 10 according to the present invention is basically constructed as described above. Next, the operation and effect of the chip carrier cutting device 10 will be described. To do.

[0016]   Ceramic green which is the material to be cut by using the chip carrier cutting device 10. When cutting the sheet 50 to obtain the chip carrier, first, the ceramic green The sheet 50 is placed at a predetermined position on the cut material placing table 58. At this time, Due to the elastic force of the ill spring 62, the blade portion 20 is placed on the material-to-be-cutted placing table 58. The ceramic green sheet 50 is prevented from falling, so It is possible to prevent damage to the mixed green sheet 50 in advance.

[0017]   Then, the upper die set 18 is pressed by pressing the upper die set 18 with a pressing means (not shown). The lower mold part 14 is displaced. The coil spring 62 is pressed by this displacement operation. While being compressed, the pressing member 42 contacts the ceramic green sheet 50. The ceramic green sheet 50 is positioned and fixed.

[0018]   Further, when the upper die set 18 is lowered, the pressing member 42 is moved to the ceramic grease. In response to the reaction force from the seat 50, the movable pin 49 is repulsed by the coil spring 52. Rise against. As a result, the knife blade 34 becomes the ceramic green sheet 5. 0, and then the knife blade 34 cuts the ceramic green sheet 50. The cutting is ended when the knife blade 34 enters at a predetermined depth. At this time As shown in FIG. 2, the blade portion 20 includes a knife blade 34 having a single-edged tip on the pedestal 24. However, since the chip carrier side to be cut is attached as the blade surface, the blade angle It is possible to avoid the burrs generated by the generation on the chip carrier side. . Further, the blade portion 20 has a plurality of knives according to the shape of the chip carrier to be cut. Since the blade 34 is attached, a large number of chip caps can be processed at once in the above-mentioned single process. You can get the rear.

[0019]   In addition, after cutting, the knife blade 34 should be easily separated from the obtained chip carrier. , A pressing member 42 until the knife blade 34 is separated from the cutting surface with the chip carrier. Continues to be added.

[0020]   Then, the pressing force applied to the upper die set 18 is released, 18 moves upward, and the elastic force of the coil spring 62 causes the upper mold part 12 to move to the lower mold part 1. Away from 4. A space is defined between the blade portion 20 and the cutting material placement table 58. Therefore, the chip carrier obtained in the above step can be easily taken out. .

[0021]

[Effect of device]

  As described above, according to the chip carrier cutting device of the present invention, the tip shape is flat. The upper mold part, which has a blade part that combines the blades of the blades, Press the upper mold by superimposing it on the ceramic green sheet placed at a predetermined position. By doing so, high-quality chip carriers that prevent the occurrence of burrs can be duplicated at the same time. You can get several.

[0022]   It also significantly reduces the number of manufacturing steps and working time, and Since the equipment can be simplified, the effect of reducing the manufacturing cost can be achieved. Play.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a chip carrier cutting device according to the present invention.

FIG. 2 is a perspective view of a blade portion of the chip carrier cutting device.

FIG. 3 is a partially enlarged vertical cross-sectional view of a chip carrier cutting part using a blade part having a double-edged tip according to a conventional technique.

[Explanation of symbols]

10 ... Chip carrier cutting device 12 ... Upper mold part 14 ... Lower mold part 16 ... Guide section 18 ... Upper die set

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI technical display location B28D 1/22 Z 7041-3C H01L 23/15

Claims (2)

[Scope of utility model registration request] 1. An upper die having a blade portion having a plurality of cutting regions corresponding to a desired product shape in combination with a knife blade having a single-edged tip, and a material to be cut and the blade portion face each other at a predetermined position. A lower die having a material-to-be-cut material mounting table for positioning the material to be cut so that either one of the upper die and the lower die is inserted so as to allow the blade portion to enter the material to be cut. And a guide rod for guiding and displacing the chip carrier. 2. The apparatus according to claim 1, wherein the blade part has a holding plate for fixedly holding a plurality of knife blades, and a holding plate protruding from the holding plate by an elastic body before and after cutting the material to be cut by the knife blade. A chip carrier cutting device having a pressing member for pressing a material to be cut.