TWI718814B - Mold for drilling a tape-type flexible circuit board - Google Patents

Abstract

A mold for drilling a tape-type flexible circuit board includes a material conveying board, two needle row units, a stopper board including intercommunicated latch groove and operating channel, at least one movable latch horizontally movably mounted in the latch groove, and at least one operating member. Each needle row unit includes at least one pin, at least one adjustment pin, at least one fixing pin, and an elastic member connected to the at least one adjustment pin. The tip of the fixing pin protrudes beyond the material conveying board by a length. The at least one operating member is horizontally movably mounted in the operating channel and controls the at least one movable latch to abut the at least one adjustment pin at an abutment position to thereby cause the tip of the at least one adjustment pin to protrude beyond the material conveying board by the length.

Description

Reel type flexible circuit board punching die

The invention relates to a punching die, in particular to a reel-type flexible circuit board punching die.

In the perforation operation of the tape-reel flexible circuit board, the perforation mold with the corresponding number of punching pins is generally selected according to the multiple of the number of holes corresponding to each exposure range. For example, when the number of holes corresponding to each exposure range is 5 or 6 holes, you can choose a punching die with 30 punching pins; and when the number of holes corresponding to each exposure range is 4 or 7 holes, you can choose Punching die with 28 punching needles, and so on.

However, in the current punching equipment used for punching the flexible circuit board on the reel, the punching die does not have the function of adjusting the number of punches at a time; in other words, the operator needs to choose the appropriate punch according to the exposure requirements. Hole mold, from the punching equipment to remove the punching mold that is not suitable for this punching process, and then reinstall a suitable punching mold, and the positioning needs to be re-calibrated after each installation. In this way, it not only consumes manpower and delays the efficiency of the punching process, but also needs to purchase and properly store the punching molds of each corresponding number of holes, which causes multiple cost burdens.

In view of this, the conventional punching die does still have to be improved.

In order to solve the above problems, the purpose of the present invention is to provide a tape-and-reel flexible circuit board punching die, which can adjust the number of punching holes each time according to the exposure requirements, without frequent replacement of the punching die from the punching equipment.

The second objective of the present invention is to provide a tape-and-reel flexible circuit board punching mold, which can control the number of punching holes from front to back to improve the convenience of operation.

Another object of the present invention is to provide a tape-and-reel flexible circuit board punching die, which can reduce the manufacturing cost.

Another object of the present invention is to provide a tape-and-reel flexible circuit board punching mold, which can improve the punching efficiency and quality.

The full text of the present invention defines the length direction (that is, the conveying direction) of the tape-reel type flexible circuit board product tape as "front" and "rear", and the width direction of the tape-reel type flexible circuit board product tape as "left" and "right"; Other directionality or similar terms, such as "upper (top)", "lower (bottom)", "inner", "outer", "side", etc., mainly refer to the direction of the attached drawings, each directionality or its Approximate terms are only used to help explain and understand the embodiments of the present invention, and are not used to limit the present invention.

The elements and components described in the full text of the present invention use the quantifiers "one" or "one" for convenience and to provide the general meaning of the scope of the present invention; in the present invention, it should be construed as including one or at least one, and single The concept of also includes the plural, unless it clearly implies other meanings.

Approximate terms such as "combination", "combination" or "assembly" mentioned in the full text of the present invention mainly include the types that can be separated without destroying the components after being connected, or the components cannot be separated after being connected, which are common knowledge in the field Those can be selected based on the materials of the components to be connected or assembly requirements.

The tape-and-reel flexible circuit board punching mold of the present invention includes: a stripper plate having a first surface and a second surface opposite to each other; two rows of needle units are arranged on the stripper plate opposite to each other, each The needle row unit has at least one positioning needle, at least one adjustment punching needle and at least one fixed punching needle arranged in a straight line and spaced apart. The positioning needle and the first end of the fixed punching needle penetrate the first surface of the stripper plate , The first end of the fixed punching needle protrudes from the first surface to reach a perforation length, an elastic member is connected to the adjusting punching needle; a stop plate is located on the second surface of the stripper plate, and the stop plate has a connection At least one movable bolt is movably arranged in the bolt groove; and at least one control element is movably arranged in the control groove. When the control element is in a release position, The elastic member maintains the second end of the adjustment punching needle to protrude from the second surface of the stripping plate, and maintains the first end of the adjustment punching needle not to protrude from the first surface of the stripping plate by the length of the perforation, When the operating member is at a pressing position, the operating member pushes against the movable bolt and translates to press against the second end of the adjustment needle, so that the first end of the adjustment needle protrudes from the first surface of the stripper plate Up to the length of the perforation.

According to this, the perforating die for the tape-and-reel flexible circuit board of the present invention can adjust the number of perforations in accordance with the exposure requirements, without the need to frequently disassemble and replace the perforating die from the punching equipment, and as long as the movable bolt is operated, That is to say, the corresponding dial punching needle can be quickly switched to having punching ability or not having punching ability, and will not affect the positioning of the overall punching mold and does not need to be re-calibrated; therefore, the tape-and-reel flexible circuit board of the present invention Punching molds can greatly save manpower and improve the efficiency of the punching process, and the industry does not need to buy and save multiple punching molds, which can save a lot of costs.

Wherein, the number of the manipulating element may be the same as the number of the dialing needles in each needle row unit, and the left and right sides of the manipulating element may be respectively equipped with the aforementioned movable bolt. In this way, the manipulator can simultaneously push the movable bolts on the left and right sides to translate to the two sides when the manipulating member is translated, so as to respectively press against the two dialing punch needles opposite to each other in the two row needle units, which has the functions of improving operation convenience and the like.

Wherein, one end of the movable bolt may have an extension piece, one end of the manipulator may have a push piece, and the left and right sides of the push piece may respectively form an inclined push surface to abut against the left and right sides respectively. The extension piece of the movable bolt. In this way, the convenience of operating the manipulator can be improved by the simple structure and the corresponding two movable bolts can be accurately pushed, which has the functions of manufacturing cost and improving operation convenience.

Wherein, the bolt groove may have several protrusions, the movable bolt may have a accommodating groove, a resetting piece may be provided in the accommodating groove, one end of the resetting piece may abut the protrusion, and the other end may abut the The inner wall of the container allows the extension piece of the movable bolt to maintain contact with the push piece of the operating member. In this way, the movable bolt can be maintained in contact with the operating member by a simple structure, which has the effects of reducing manufacturing costs and improving assembly convenience.

Wherein, the number of the control elements can be three, the first ends of the three control elements can be located outside the control groove and can be arranged side by side, the second ends of the three control elements can penetrate into the bolt groove, the The positions of the three control members located in the control slot can be partially overlapped. In this way, it has the effect of saving installation space.

Wherein, the push piece of each manipulator may be horizontally opposed to the extension pieces of the movable bolt on the left and right sides, and the three push pieces may be located at different levels. In this way, each of the pushing pieces can independently push the two corresponding extension pieces, without interfering with other extension pieces located at different levels, and has the effect of improving control accuracy and the like.

Wherein, the two operating members located on the left and right sides may respectively have an escape slot, and the pushing piece of the operating member located in the middle can be accommodated in the two escape slots. In this way, it is possible to avoid the interference of the three control elements when they are displaced, and have the functions of improving control accuracy and the like.

Wherein, the movable bolts on the left and right sides of each manipulator have an added total length, and the total lengths corresponding to different manipulators can be the same, and the lengths of the movable bolts on the same side corresponding to different manipulators can be different. In this way, it has the effect of improving the convenience of assembly.

Wherein, the second end of the adjusting punch needle may have an inclined surface, the movable bolt may have an inclined surface connected to the outer surface of the movable bolt, and the inclined surface of the movable bolt may be opposite to the inclined surface of the adjusting punch needle. In this way, when the operating member is moved, the movable bolt can more smoothly control the position of the adjusting needle, which has the functions of improving the smoothness and convenience of operation.

Wherein, the stripper plate may have a plurality of grooves, the second end of each of the adjusting punch needles may form a cap head, each of the elastic members may be pressed against a spring and accommodated in the corresponding groove, each of the elastic One end of the member can abut against the bottom surface of the groove, and the other end can abut the cap head of the adjusting punch needle to support the cap head of the adjusting punch needle to protrude from the second surface of the stripper plate. In this way, the structure of the stripper and the adjusting needle can be simplified, and the manufacturing cost can be reduced, and the assembly convenience can be improved.

Wherein, the second surface of the stripper plate may have two punching needle grooves opposite to each other, and the plurality of grooves may be located in the two punching needle grooves. In this way, the structure of the stripper plate and the stop plate can be simplified, and the manufacturing cost can be reduced, and the assembly convenience can be improved.

Wherein, the stop plate has a first surface and a second surface opposite to each other, a circumferential surface connects the first surface and the second surface, the bolt groove and the manipulation groove can be recessed on the second surface, the The manipulation groove may be connected to the circumferential surface, and one end of the manipulation member may be located outside the manipulation groove. In this way, it is more convenient for the user to operate and control the manipulator, and has the functions of improving the convenience of operation.

Wherein, a detent member can be coupled to the side end of the stripper plate and protrude beyond the second surface of the stripper plate, and two adjacent positioning slots can be recessed on the outer surface of the manipulating element. When the member is located at the release position, the detent member can abut into one of the positioning slots, and when the operating member is at the pressing position, the detent member can abut into another positioning slot. In this way, it has the effect of improving the convenience of operation.

Wherein, the number of the adjustment punching needles and the fixed punching needles may both be several, and the distance between the plurality of adjustment punching needles and the plurality of fixed punching needles may be the same. In this way, it has the effects of improving punching efficiency and quality.

Wherein, the fixed punching needle may be located between the positioning needle and the adjusting punching needle. In this way, a variety of punching needs can be met, and it has the effects of improving practicability.

In order to make the above and other objectives, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings:

Please refer to Figure 1, which is a preferred embodiment of the tape-and-reel flexible circuit board punching mold of the present invention, which includes a stripper plate 1, two pin units 2, a stop baffle 3, and at least one The movable bolt 4 and at least one control element 5, the two row needle units 2 are arranged on the stripper plate 1, the stop plate 3 is located on the stripper plate 1, the movable bolt 4 and the control element 5 are arranged on the stopper Bezel 3.

Please refer to Figures 1 and 3, the stripper 1 has a first surface 11 and a second surface 12 opposite to each other. The first surface 11 faces the lower template P, and the tape-reel flexible circuit board product tape T It can be conveyed between the first surface 11 of the stripper plate 1 and the lower template P. The first surface 11 of the stripping plate 1 may have two first punching needle grooves 13 opposite to each other, and the second surface 12 of the stripping plate 1 may have two second punching needle grooves 14 opposite to each other. A punching needle groove 13 is opposite to the two second punching needle grooves 14, so that a plurality of needle holes 15 located in each of the first punching needle grooves 13 can penetrate to the corresponding second punching needle grooves 14. The stripper plate 1 may further have a plurality of grooves 16, and the plurality of grooves 16 may be located in the two second punching needle grooves 14. A latch 17 can be combined with the rear end of the stripper plate 1 and protrude beyond the second surface 12 of the stripper plate 1.

The two rows of needle units 2 are arranged on the stripper plate 1 opposite to each other, and are respectively used to form positioning and punching holes on the left and right sides of the tape T of the tape-reel flexible circuit board product. Each of the needle row units 2 has at least one positioning pin 21, at least one adjusting punching needle 22, and at least one fixed punching needle 23. The positioning needle 21, the adjusting punching needle 22, and the fixed punching needle 23 are respectively passed through the plurality of The pinholes 15 are arranged in a straight line and spaced apart. In this embodiment, the number of positioning pins 21 and adjustment pins 22 of each needle row unit 2 can each be 2 to 5, and the number of fixed punch pins 23 of each needle row unit 2 can be about 20 to 30. , But not limited to this. Wherein, the distances between the plurality of adjustment punching needles 22 and the plurality of fixed punching needles 23 are preferably the same. In addition, the positioning pins 21 may be located closest to the front end or the rear end of the stripper plate 1 (the drawing in this embodiment is shown as an example of being located adjacent to the front end of the stripper plate 1, but it is not limited to this), It is used to penetrate the holes already provided on the tape T of the tape-reel flexible circuit board product to assist in positioning the tape T of the tape-reel flexible circuit board product. The plurality of adjusting punching needles 22 and the plurality of fixed punching needles 23 remain adjacent, and the plurality of fixed punching needles 23 can be located between the plurality of positioning needles 21 and the plurality of adjusting punching needles 22.

The first ends 21a, 23a of the positioning needle 21 and the fixed punching needle 23 of each needle row unit 2 can be preset to pass through the first surface 11 of the stripping plate 1, and the first end 23a of the fixed punching needle 23 The first surface 11 is further protruded by a perforation length, so that when the stripper plate 1 and the lower template P are relatively displaced, the fixed punching needle 23 can punch holes in the tape T of the tape-reel flexible circuit board product . The positioning needle 21 and the second ends 21b, 23b of the fixed punching needle 23 are not limited. In this embodiment, the positioning needle 21 and the second ends 21b, 23b of the fixed punching needle 23 can all protrude. Beyond the second surface 12 of the stripper plate 1.

An elastic member 24 is connected to the adjustment needle 22 to provide the second end 22b of the adjustment needle 22 with an elastic force away from the first surface 11, and when the elastic member 24 is not subjected to external pressure, it can Maintain the first end 22a of the adjustment punching needle 22 not to protrude from the first surface 11 to reach the aforementioned perforation length; that is, when the stripper plate 1 and the lower template P are relatively displaced, the adjustment punching needle 22 cannot Holes are punched in the tape T of the tape-and-reel flexible circuit board product. For example, but not limitation, the adjustment needle 22 of this embodiment may form a cap head 221 at its second end 22b, and the second end 22b of the adjustment needle 22 may have an inclined surface 222, and the inclined surface 222 may be connected to the cap. On the top surface of the head 221, the elastic member 24 can be selected as a pressing spring, and the elastic member 24 can be accommodated in the groove 16. One end of the elastic member 24 abuts against the bottom surface of the groove 16, and the other end abuts against the bottom surface of the groove 16. The cap head 221 of the adjusting punching needle 22 is connected to support the cap head 221 of the adjusting punching needle 22 protruding from the second surface 12 of the stripper 1; when the cap head 221 is pressed by the movable bolt 4, the cap head 221 The adjusting punch 22 can be axially displaced in the needle hole 15 and elastically pressed against the elastic member 24, so that the first end 22a of the adjusting punch 22 protrudes from the first surface 11 of the stripper plate 1 to reach the perforation. Length (as shown in Figure 6) to have the ability to punch holes in the tape T of the tape-and-reel flexible circuit board product.

The stop plate 3 has a first surface 31 and a second surface 32 opposite to each other. A circumferential surface 33 connects the first surface 31 and the second surface 32, and the second surface 32 of the stop plate 3 can abut against The second surface 12 of the stripper plate 1. The stop plate 3 has a bolt groove 34 and a control groove 35 recessed on the second surface 32 of the stop plate 3. The bolt groove 34 may have a plurality of protrusions 341, and the control groove 35 communicates with the bolt groove. 34. The bolt groove 34 can accommodate the movable bolt 4, and the control groove 35 can accommodate the control member 5; the control groove 35 of this embodiment can be connected to the circumferential surface 33 of the stop plate 3, In order to operate the operating member 5 from a side end (such as the front side end or the rear side end of the stop plate 3).

Please refer to Figures 2 and 3, the movable bolt 4 is disposed in the bolt groove 34 so as to move left and right. The movable bolt 4 has an outer surface 41 facing the second surface 12 of the stripper plate 1, and the movable bolt 4 has an outer surface 41 facing the second surface 12 of the stripper plate 1. One end of the bolt 4 has a protruding extension piece 42 for the manipulation member 5 to abut, and the extension piece 42 is preferably inclined. The movable bolt 4 has an inclined surface 43 connected to the outer surface 41 and opposite to the inclined surface 222 (marked in FIG. 4) of the adjustment needle 22. The inclined surface 43 may be located at the other end of the movable bolt 4. The movable bolt 4 may further have a receiving groove 44, and the receiving groove 44 may face the bottom surface of the bolt groove 34; a resetting member 45 is provided in the receiving groove 44, and one end of the resetting member 45 abuts against the protrusion 341 , The other end abuts against the inner wall of the receiving groove 44 to elastically push the movable bolt 4 toward the operating member 5 so that the extension piece 42 of the movable bolt 4 maintains contact with the operating member 5.

The manipulating member 5 is disposed in the manipulating groove 35 in a translational manner. When the manipulating member 5 is translated, the movable bolt 4 can be pushed to also produce a translation; for example, a manipulating member 5 can control the translation of a movable bolt 4, or One control element 5 controls the translation of the two movable bolts 4 at the same time, and the present invention is not limited. In the following, one manipulator 5 controls the translation of two movable bolts 4 at the same time as an example. For other one-to-one or one-to-many structures, those with ordinary knowledge in the field can do the same, so they will not be one by one. Detailed.

The number of the control element 5 can be the same as the number of the adjustment needles 22 in each of the needle strip units 2, and the left and right sides of the control element 5 can be respectively equipped with the aforementioned movable bolt 4, so that the number of the movable bolt 4 is The operating member 5 is twice as large as the operating member 5, so that when the operating member 5 is translated, the movable bolts 4 on the left and right sides are simultaneously pushed to translate to the two sides, so as to respectively press against the two adjusting needles 22 of the two row needle units 2 opposite to each other. . The first end of the manipulation element 5 is located outside the manipulation groove 35 so that the user can manipulate the manipulation element 5 to generate translation. The second end of the manipulator 5 has a protruding push piece 51. The left and right sides of the push piece 51 can respectively form an inclined push surface 52 to connect with the extension pieces of the movable bolt 4 on the left and right sides respectively. The inclined part of 42 is opposite. In addition, the operating member 5 may also have two adjacent positioning slots 53 which are recessed on the outer surface of the operating member 5 when the operating member 5 is in a release position (as shown in Figure 3). As shown), the detent member 17 can be elastically inserted into one of the positioning slots 53. When the operating member 5 is in a pressed position (as shown in Figure 5), the detent member 17 can be elastically inserted into In another positioning slot 53; the two sides of each positioning slot 53 can be inclined so that the operating member 5 and the latching member 17 are relatively displaced.

In this embodiment, the number of the dialing needles 22 in each of the needle row units 2 is three, the number of the operating members 5 is the same as three, and the number of the movable bolt 4 can be six; for ease of description Hereinafter, the three control elements 5 are referred to as the first control element 5a, the second control element 5b, and the third control element 5c, and the six movable bolts 4 are respectively referred to as the first movable bolt 4a and the first movable bolt 4a. The bolt 4a', the second movable bolt 4b, the second movable bolt 4b', the third movable bolt 4c, and the third movable bolt 4c'; the first operating member 5a can simultaneously push the first movable bolt 4a and the first movable bolt Bolt 4a', the second operating member 5b can simultaneously push the second movable bolt 4b and the second movable bolt 4b', and the third operating member 5c can synchronously push the third movable bolt 4c and the third movable bolt 4c '.

In more detail, the first ends of the first control element 5a, the second control element 5b, and the third control element 5c are located outside the control groove 35, and can be arranged side by side so that the second control element 5b The first end of is located between the first end of the first control element 5a and the first end of the third control element 5c. The second ends of the first control element 5a, the second control element 5b, and the third control element 5c can penetrate into the bolt groove 34. The parts of the first control element 5a, the second control element 5b, and the third control element 5c in the control groove 35 can be partially overlapped to save installation space. In addition, the total length of the first movable bolt 4a and the first movable bolt 4a', the total length of the second movable bolt 4b and the second movable bolt 4b', the third movable bolt 4c and the third movable bolt The total length of the bolts 4c' can be approximately the same, and the lengths of the first movable bolt 4a, the second movable bolt 4b, and the third movable bolt 4c may be different.

Wherein, the opposite inner ends of the first movable bolt 4a and the first movable bolt 4a' respectively have the aforementioned extension piece 42, and the opposite outer ends of the first movable bolt 4a and the first movable bolt 4a' respectively have the aforementioned The slope 43. The pushing piece 51 of the first operating member 5a is horizontally opposed to the extending piece 42 of the two first movable bolts 4a, 4a'. The second control element 5b and the third control element 5c also have a similar structure, but the three push-off pieces 51 are located at different levels, so that each push-off piece 51 can independently push against the corresponding two extensions. The sheet 42 does not interfere with other extension sheets 42 located at different levels. In addition, the first control element 5a and the third control element 5c may further have an escape groove 54 respectively, and the two escape grooves 54 respectively face the second control element 5b to accommodate the second control element 5b. The space of the pushing piece 51 avoids interference between the first operating member 5a and the third operating member 5c when they are displaced relative to the second operating member 5b.

Please refer to Figures 1, 3, and 4, according to the aforementioned structure, when the first control element 5a, the second control element 5b, and the third control element 5c are all located in the release position, each of the adjustment needles The cap head 221 of 22 can be abutted by the elastic member 24 to pass through the second surface 12 of the stripper plate 1 and extend into the bolt groove 34, and the first end 22a of each adjustment punch 22 does not pass out The first surface 11 reaches the aforementioned perforation length, and does not have the ability to punch holes in the tape T of the tape-reel flexible circuit board product.

Please refer to Figures 1, 5, and 6, the user can push the first end of the operating member 5 to make the operating member 5 translate relative to the operating groove 35, so that the operating member 5 is switched to the pressing position . During the translation of the manipulating member 5, as the pushing piece 51 advances, the two pushing surfaces 52 can push the two extension pieces 42 of the same level to the outside, so that the two left and right movable bolts 4 are synchronized. Displacement is generated and pressed against the reset member 45 in the two movable bolts 4, and the inclined surfaces 43 of the two movable bolts 4 are pressed against the corresponding adjustment needles 22 respectively, and the outer surface 41 of the two movable bolts 4 is pressed Abut the cap head 221 of the second adjustment needle 22, so that the first end 22a of the second adjustment needle 22 penetrates the first surface 11 to reach the aforementioned perforation length, so that it can be used in the tape-reel flexible circuit board product. The ability to make holes in the belt T.

Please refer to Figures 1, 3, and 4 again. Relatively, when the second adjustment needle 22 needs to be restored to the release position, the user can pull the first end of the manipulation piece, and follow the push piece 51 back, the reset member 45 in the two movable bolts 4 can be elastically reset to return the two movable bolts 4 to the original position, and the second adjustment needle 22 can be restored to the original position by the elastic member 24 connected to it. The next time the operating member 5 is pressed and pushed, it can be switched to the pressing position again.

Therefore, please refer to Figure 1 again. When you want to punch the tape T on the tape and reel flexible circuit board product, you can first confirm that the circuit pattern on the tape T on the tape and reel flexible circuit board product corresponds to each exposure range. The number of the adjustment needle 22 plus the fixed punch 23 is exactly a positive integer multiple of the corresponding number of holes, so as to know the number of adjustment needles 22 that need to be added to the punching operation. For example, when the number of holes corresponding to each exposure range is 7 holes, the number of the fixed punch 23 is 27, and the number of the adjustment punch 22 is 3, the adjustment closest to the fixed punch 23 is The punching needle 22 is switched to the pressing position, and the other second adjustment punching needles 22 remain at the release position to make 28 holes at a time; and when the number of holes corresponding to each exposure range is 6 holes, all the adjustments are made. The punching pins 22 are all switched to the pressing position to punch 30 holes at a time.

In summary, the tape-and-reel flexible circuit board punching mold of the present invention can adjust the number of punching holes each time according to the exposure requirements, without frequent disassembly and replacement of the punching mold from the punching equipment, and only need to operate the control The movable bolt can quickly switch its corresponding dialing punching needle to have punching ability or not having punching ability, which will not affect the positioning of the overall punching mold and does not need to be re-calibrated; therefore, the roll of the present invention The belt-type flexible circuit board punching mold can greatly save manpower and improve the efficiency of the punching process, and the industry does not need to buy and save multiple punching molds, which can save multiple costs.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art without departing from the spirit and scope of the present invention may make various changes and modifications relative to the above-mentioned embodiments. The technical scope of the invention is protected. Therefore, the scope of protection of the invention shall be subject to the scope of the attached patent application.

1: Stripping board 11: The first surface 12: second surface 13: The first punching needle groove 14: The second punching needle groove 15: pinhole 16: groove 17: Cards 2: Pin header unit 21: Positioning pin 21a: first end 21b: second end 22: Adjust the punching needle 22a: first end 22b: second end 221: Hat Head 222: Slope 23: fixed punch 23a: first end 23b: second end 24: Elastic part 3: Stop baffle 31: The first surface 32: second surface 33: Circumferential surface 34: bolt groove 341: Bump 35: control slot 4: Activity plug 4a, 4a’: The first movable bolt 4b, 4b’: The second movable bolt 4c, 4c’: The third movable bolt 41: Outer surface 42: Extension piece 43: inclined plane 44: Tolerance 45: reset piece 5: Controls 5a: The first control 5b: Second control 5c: The third control 51: push to the film 52: Push to face 53: positioning card slot 54: Escape Slot P: lower template T: Tape and Reel Flexible Circuit Board Product Belt

[Figure 1] An exploded perspective view of a preferred embodiment of the present invention. [Figure 2] An exploded perspective view of the control element and the movable bolt of a preferred embodiment of the present invention. [Figure 3] A cross-sectional view along the line A-A in Figure 2 reveals the relative positional relationship between the movable bolt and the adjustment needle when the operating member is in the release position. [Figure 4] A cross-sectional view along the line B-B in Figure 3. [Figure 5] The cross-sectional view at the same position as in Figure 3, revealing the relative positional relationship between the movable bolt and the adjustment needle when the operating member is in the pressed position. [Figure 6] A cross-sectional view along the line C-C in Figure 5.

1: Stripping board

11: The first surface

12: second surface

13: The first punching needle groove

14: The second punching needle groove

17: Cards

2: Pin header unit

21: Positioning pin

21a: first end

21b: second end

22: Adjust the punching needle

22a: first end

22b: second end

221: Hat Head

23: fixed punch

23a: first end

23b: second end

3: Stop baffle

31: The first surface

32: second surface

33: Circumferential surface

34: bolt groove

35: control slot

4: Activity plug

43: inclined plane

5: Controls

53: positioning card slot

P: lower template

T: Tape and Reel Flexible Circuit Board Product Belt

Claims (15)

A tape-and-reel flexible circuit board punching die, including: A stripper plate having a first surface and a second surface opposite to each other; Two row needle units are arranged on the stripping plate opposite to each other. Each of the needle row units has at least one positioning needle, at least one adjustment needle and at least one fixed punching needle arranged in a straight line and spaced apart from each other. The positioning needle and the The first end of the fixed punching needle penetrates the first surface of the stripper plate, the first end of the fixed punching needle protrudes from the first surface by a perforation length, and an elastic member is connected to the adjustment punching needle; A stop baffle, located on the second surface of the stripper plate, the stop baffle having a bolt groove and a manipulation groove that are communicated with each other; At least one movable bolt, which is movably arranged in the bolt groove; and At least one control element is movably arranged in the control groove. When the control element is located in a release position, the elastic element maintains the second end of the adjusting needle protruding from the second surface of the stripper plate, and maintains The first end of the adjustment punching needle does not protrude from the first surface of the stripper plate by the length of the perforation. When the operating member is located at a pressing position, the operating member pushes the movable bolt and translates to press against the adjustment punching needle The first end of the adjusting punching needle protrudes from the first surface of the stripper plate by the length of the perforation. For the tape-and-reel flexible circuit board punching mold described in item 1 of the scope of patent application, the number of the manipulators is the same as the number of the adjustment needles in each pin header unit, and the left and right sides of the manipulator are respectively arranged There is an aforementioned movable bolt. According to the second item of the scope of patent application, the flexible circuit board punching mold, wherein one end of the movable bolt has an extension piece, one end of the control piece has a push piece, and the two left and right sides of the push piece The sides are respectively formed with an inclined pushing surface to respectively abut the extension pieces of the movable bolts on the left and right sides. For the tape-and-reel flexible circuit board punching mold described in item 3 of the scope of patent application, the groove has a plurality of bumps, the movable bolt has a groove, a reset piece is arranged in the groove, and One end of the reset member abuts against the protrusion, and the other end abuts against the inner wall of the cavity, so that the extension piece of the movable bolt maintains contact with the push piece of the operating member. For the tape-and-reel flexible circuit board punching mold described in item 3 of the scope of patent application, the number of the control elements is three, and the first ends of the three control elements are located outside the control groove and arranged side by side. The second ends of the three manipulating members penetrate into the bolt groove, and the parts of the three manipulating members located in the manipulating groove are partially overlapped. For the tape-and-reel flexible circuit board punching mold described in item 5 of the scope of patent application, wherein the push piece of each manipulator is horizontally opposed to the extension pieces of the movable bolt on the left and right sides, and the three push pieces are located at Different levels. The tape-and-reel flexible circuit board punching mold described in item 6 of the scope of the patent application, wherein the two control members on the left and right sides respectively have an escape slot, and the two escape slots are respectively facing the control located in the middle The pushing piece of the control piece located in the middle is located in the two escape grooves. For example, the tape-and-reel flexible circuit board punching mold described in item 2 of the scope of patent application, wherein the movable bolts on the left and right sides of each manipulator have an added total length, corresponding to different manipulators with the same total added length, corresponding to different The movable bolts on the same side of the control piece have different lengths. The tape-and-reel flexible circuit board punching mold described in item 1 of the scope of patent application, wherein the second end of the adjustment punch has a slope, the movable bolt has a slope connected to the outer surface of the movable bolt, and the movable bolt The inclined surface of the bolt is opposite to the inclined surface of the adjusting needle. The tape-and-reel flexible circuit board punching mold described in item 1 of the scope of patent application, wherein the stripper plate has a plurality of grooves, the second end of each of the adjusting punching needles forms a cap, and each elastic piece In order to press against the spring and be accommodated in the corresponding groove, one end of each elastic member abuts against the bottom surface of the groove, and the other end abuts against the cap head of the adjusting punch needle to support the cap head of the adjusting punch needle Protruding from the second surface of the stripper plate. The tape-and-reel flexible circuit board punching mold described in item 10 of the scope of patent application, wherein the second surface of the stripper plate has two punching needle grooves opposite to each other, and the plurality of grooves are located in the two punching needle grooves. in. For the tape-and-reel flexible circuit board punching mold described in item 1 of the scope of patent application, the stop plate has a first surface and a second surface opposite to each other, and a circumferential surface connects the first surface and the second surface. On two surfaces, the bolt groove and the manipulation groove are recessed on the second surface, the manipulation groove is connected to the circumferential surface, and one end of the manipulation member is located outside the manipulation groove. For the tape-and-reel flexible circuit board punching mold described in item 12 of the scope of the patent application, a latch is combined with the side end of the stripper plate and protrudes beyond the second surface of the stripper plate at intervals. Two adjacent positioning slots are recessed on the outer surface of the operating member. When the operating member is located at the release position, the detent member abuts into one of the positioning slots. When the operating member is located at the pressing position, the card The detent abuts into another positioning card slot. For example, the tape-and-reel flexible circuit board punching mold described in any one of items 1 to 13 of the scope of patent application, wherein the number of the adjustment punching needle and the fixed punching needle are several, and the plurality of adjustment punching needles and The distances between the several fixed punches are the same. For the tape-and-reel flexible circuit board punching mold described in item 14 of the scope of patent application, the fixed punching needle is located between the positioning needle and the adjusting punching needle.

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