TWI723684B - 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 at least one latch groove, and at least one movable latch. Each needle row unit includes at least one pin spaced in a row, 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 movable latch is horizontally movably mounted in the at least one latch groove, such that the at least one movable latch abuts 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 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 be manipulated from left to right to increase the number of punches, so as to improve the convenience of operation and 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 by a perforation length, an elastic member is connected to the adjustment punching needle; a stop plate is located on the second surface of the stripper plate, and the stop plate has at least A bolt groove; and at least one movable bolt, which can be translated left and right in the bolt groove, when the movable bolt is located in a release position, the elastic member maintains the second end of the adjustment needle protruding from the stripper plate Second surface, and maintain the first end of the adjustment punching needle not to protrude from the first surface of the stripper plate for the length of the perforation. When the movable bolt is at a pressing position, the movable bolt is pressed against the adjustment needle At the second end, the first end of the adjusting punching needle protrudes from the first surface of the stripper plate to reach the perforation length.

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 movable bolt has an outer surface facing the second surface of the stripper plate, at least one escape groove can be recessed on the outer surface, and when the movable bolt is in the release position, the second end of the adjustment needle can be located In the avoiding groove, when the movable bolt is located at the pressing position, the second end of the adjustment needle can abut the outer surface of the movable bolt. In this way, the position of the dialing punch can be controlled by a simple structure and operation mode, which has the effects of reducing the manufacturing cost of the punching mold and improving the convenience of operation.

Wherein, the second end of the adjustment needle may have an inclined surface, the movable bolt may have an inclined surface connecting the outer surface and the inner wall surface of the escape groove, and the inclined surface of the movable bolt may be opposite to the inclined surface of the adjustment needle. In this way, when the movable bolt is moved, the adjusting needle can be moved into or out of the avoiding groove more smoothly, which has the functions of improving the smoothness of operation and convenience.

Wherein, the second end of the adjustment needle may have an inclined surface, the free end of the movable bolt may be located in the bolt groove, the movable bolt may have an inclined surface connecting the outer surface and the free end surface of the movable bolt, the movable bolt The inclined surface of can be opposite to the inclined surface of the adjustment needle. In this way, when the movable bolt is moved, the free end of the movable bolt can be pressed against or moved away more smoothly, which has the functions of improving the smoothness of operation and convenience.

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 compression springs and be accommodated in the corresponding grooves, each of the elastic members One end 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 protruding 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 needle grooves opposite to each other, and the plurality of grooves may be located in the two 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, and the bolt groove is recessed on the second surface and can communicate with the circumferential surface On the other hand, the movable bolt may have a control section located at the side end of the stop plate and located outside the bolt groove. In this way, it is more convenient for the user to operate and control the movable bolt, and has the functions of improving the convenience of operation and the like.

Wherein, a latch can be combined with the side end of the stripper plate and protrude beyond the second surface of the stripper plate, two adjacent positioning slots can be recessed on the outer surface of the movable bolt, and the movable bolt When the bolt is located at the release position, the detent member can abut into one of the positioning slots, and when the movable bolt 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 front end and the rear end of the plurality of fixed punching needles may respectively have at least one adjustment punching needle as described above, the number of the bolt grooves may be two, and at least one of the aforementioned movable bolts is respectively accommodated in the two bolt grooves, The movable bolts in the two bolt grooves respectively control the adjusting punching needles located at the front and rear ends of the plurality of fixed punching needles. In this way, the deployment ability of the two-row needle unit is better to meet more diversified punching requirements, and has the effect 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 Figures 1 and 3, which is the first embodiment of the tape-and-reel flexible circuit board punching mold of the present invention, which includes a stripper plate 1, two needle row units 2, a stop baffle 3 and at least A movable bolt 4, the two-row needle unit 2 is arranged on the stripper plate 1, the stop plate 3 is positioned on the stripper plate 1, and the movable bolt 4 is provided on the stop plate 3.

The stripping board 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 can be conveyed through the stripping board 1 Between the first surface 11 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 side 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 or rear end of the stripper 1 for penetrating the holes already provided on the tape T of the tape-reel type flexible circuit board product to assist in positioning the tape-reel type Flexible circuit board products with T. The plurality of adjusting needles 22 and the plurality of fixed punching needles 23 remain adjacent; that is, the plurality of adjusting needles 22 can be selected to be located between the plurality of positioning needles 21 and the plurality of fixed punching needles 23 , Or the fixed punching needles 23 are located between the positioning needles 21 and the 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 may be selected as a compression spring, the elastic member 24 may 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 The cap head 221 of the adjusting punching needle 22 supports 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 adjusting The punching needle 22 can axially move in the needle hole 15 and elastically compress the elastic member 24, so that the first end 22a of the adjusting punching needle 22 protrudes from the first surface 11 of the stripper 1 to reach the perforation length ( As shown in the state shown in Figure 4), 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 at least one bolt groove 34 recessed on the second surface 32 of the stop plate 3 for accommodating the movable bolt 4; the bolt groove 34 of this embodiment can be connected to the stop plate 3 The circumferential surface 33 is used to operate the movable bolt 4 from a side end (such as the left end or the right end of the stop plate 3).

The movable bolt 4 is disposed in the bolt groove 34 so as to be able to move left and right, and the movable bolt 4 preferably does not protrude beyond the second surface 32 of the stop plate 3. The number of the movable bolts 4 may correspond to the number of the adjusting punching needles 22, so that a movable bolt 4 controls whether a adjusting punching needle 22 can punch the tape-type flexible circuit board product with T; or as in this embodiment As shown in the figure, the number of the movable bolts 4 can correspond to half of the number of the adjustment needles 22, so that a movable bolt 4 can simultaneously control whether the two adjustment needles 22 corresponding to the left and right can be used for the tape-type flexible circuit. The board product has T punching.

In detail, please refer to Figures 2 and 3, the movable bolt 4 has an inner surface 41 facing the groove bottom surface of the bolt groove 34, and an outer surface 42 opposite to the inner surface 41 and facing the stripper plate 1. On the second surface 12, at least one avoiding groove 43 is recessed on the outer surface 42; when the movable bolt 4 is in a release position (as shown in Figure 3), the second end 22b of the adjusting punch 22 is located in the avoiding groove In 43, when the movable bolt 4 is located at a pressing position (as shown in FIG. 4), the second end 22b of the adjustment needle 22 abuts against the outer surface 42 of the movable bolt 4.

For example but not limitation, the movable bolt 4 of this embodiment may have a control section 44 located at the side end of the stop plate 3, and a shoulder 45 is formed between the control section 44 and the inner surface 41 , The control section 44 and the shoulder 45 are located outside the bolt groove 34. The escape groove 43 and the free end of the movable bolt 4 are located in the bolt groove 34. The movable bolt 4 may have two inclined surfaces 46. One of the inclined surfaces 46 may connect the outer surface 42 and the free end surface of the movable bolt 4, and The inclined surface 46 is opposite to the inclined surface 222 of the adjustment needle 22 on the left side, and the other inclined surface 46 can connect the outer surface 42 and the inner wall surface of the escape groove 43, and the inclined surface 46 is opposite to the inclined surface 222 of the adjustment needle 22 on the right side. relatively. In addition, the movable bolt 4 may also have two adjacently spaced positioning grooves 47. The two positioning grooves 47 are recessed on the outer surface 42 of the movable bolt 4. When the movable bolt 4 is in the release position (such as the third As shown in the figure), the detent member 17 can be elastically pressed into one of the positioning slots 47. When the movable bolt 4 is in the pressed position (as shown in Fig. 4), the detent member 17 can be elastically pressed. Into another positioning slot 47; the two sides of each positioning slot 47 can be inclined so that the movable bolt 4 and the latching member 17 are relatively displaced.

Please refer to Figures 1 and 3 again. According to the aforementioned structure, when the movable bolt 4 is in the release position, the cap head 221 of the adjustment needle 22 on the left can be abutted by the elastic member 24 to pass through the The second surface 12 of the stripping plate 1 extends into the bolt groove 34, and the cap head 221 of the adjusting punch 22 on the right side can be abutted by the elastic member 24 to penetrate the second surface of the stripping plate 1 12 and extend into the avoidance groove 43, and the first end 22a of the second adjustment punch 22 also does not penetrate the first surface 11 to reach the aforementioned perforation length, and does not have the tape in the tape-reel flexible circuit board product The ability to make holes in the T.

Please refer to Figures 3 and 4, the user can push the control section 44 of the movable bolt 4 to make the movable bolt 4 translate relative to the groove 34, and abut the shoulder 45 of the movable bolt 4 Stop pressing and pushing the movable bolt 4 when the side end of the stripper plate 1 is pressed, so that the movable bolt 4 is switched to the pressing position. During the translation of the movable bolt 4, the two inclined surfaces 46 of the movable bolt 4 can be smoothly displaced relative to the inclined surfaces 222 of the second adjustment punching needle 22, so that the second adjustment punching needle 22 is pressed down by the movable bolt 4, Instead, the outer surface 42 of the movable bolt 4 is pressed against the cap head 221 of the 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. It has the ability to punch holes in the tape T of the tape-and-reel flexible circuit board product. On the other hand, when the second adjustment needle 22 needs to be restored to the release position, the user can pull the control section 44 of the movable bolt 4 to make the latching member 17 snap into another positioning slot 47, and the The second adjustment punching needle 22 can be restored to its original position by the elastic member 24 connected thereto, so that the movable bolt 4 can be switched to the pressing position next time the movable bolt 4 is pushed.

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.

Please refer to Figure 5, which is the second embodiment of the tape-and-reel flexible circuit board punching die of the present invention. This embodiment is mainly provided with at least one adjustment at the front and rear ends of the plurality of fixed punching pins 23 For the punching needle 22, the stop plate 3 is provided with two bolt grooves 34 for accommodating at least one movable bolt 4 respectively, so that the movable bolts 4 in the two bolt grooves 34 are respectively controlled to be located in front of the plurality of fixed punching needles 23, The adjustment of the punching needles 22 at the rear two ends makes the adjustment ability of the two-row needle unit 2 better, so as to meet more diversified punching requirements.

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 activity Bolt, it can quickly switch its corresponding dialing punching needle to have punching ability or not having punching ability, and will not affect the positioning of the overall punching mold without the need to re-calibrate the positioning; therefore, the tape-reel type of the present invention is flexible The 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 many punching molds, which can save a lot of 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

4: Activity plug

41: inner surface

42: outer surface

43: Avoidance Slot

44: Control section

45: Shoulder

46: Bevel

47: positioning card slot

P: lower template

T: Tape and Reel Flexible Circuit Board Product Belt

[Figure 1] An exploded perspective view of the first embodiment of the present invention. [Figure 2] An exploded perspective view of the movable bolt and the adjustment needle of the first embodiment of the present invention. [Figure 3] The combined cross-sectional view of the first embodiment of the present invention when the punching needle is adjusted in the released position. [Figure 4] The combined cross-sectional view of the first embodiment of the present invention when the dialing needle is at the pressing position. [Figure 5] An exploded perspective view of the second embodiment of the present invention.

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

4: Activity plug

43: Avoidance Slot

P: lower template

T: Tape and Reel Flexible Circuit Board Product Belt

Claims (10)

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 plate located on the second surface of the stripper plate, the stop plate has at least one bolt groove; and At least one movable bolt is disposed in the groove to be translated left and right, and when the movable bolt is in a release position, the elastic member maintains the second end of the adjusting needle to protrude from the second surface of the stripper plate, and Keep the first end of the adjustment punching needle from protruding from the first surface of the stripper plate to the length of the perforation. When the movable bolt is in a pressing position, the movable bolt is pressed against the second end of the adjustment punching needle, so that The first end of the adjusting punching needle protrudes from the first surface of the stripper plate by the length of the perforation. According to the roll-and-reel flexible circuit board punching mold described in item 1 of the scope of patent application, wherein the movable bolt has an outer surface facing the second surface of the stripper plate, and at least one escape groove is recessed on the outer surface, When the movable bolt is at the release position, the second end of the adjustment needle is located in the avoiding groove, and when the movable bolt is at the pressing position, the second end of the adjustment needle abuts against the outer surface of the movable bolt. The tape-and-reel flexible circuit board punching mold described in item 2 of the scope of patent application, wherein the second end of the adjusting punch has an inclined surface, and the movable bolt has an inclined surface connecting the outer surface and the inner portion of the avoiding groove On the wall surface, the inclined surface of the movable bolt is opposite to the inclined surface of the adjusting needle. The tape-and-reel flexible circuit board punching die as described in item 1 of the scope of patent application, wherein the second end of the adjustment needle has a bevel, the free end of the movable bolt is located in the bolt groove, and the movable bolt has An inclined surface connects the outer surface and the free end surface of the movable bolt, and the inclined surface of the movable bolt is opposite to the inclined surface of the adjustment 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 compress 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 protrusion of the adjusting punch needle. From the second surface of the stripper plate. According to the fifth item of the scope of patent application, the flexible circuit board punching mold, wherein the second surface of the stripper plate has two needle grooves opposite to each other, and the plurality of grooves are located in the two needle grooves. 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 is recessed on the second surface and connected to the circumferential surface, and the movable bolt has a control section located at the side end of the stop plate and located outside the bolt groove. As described in item 7 of the scope of patent application, a perforating mold for flexible circuit boards, wherein a latch is combined with the side end of the stripper plate and protrudes beyond the second surface of the stripper plate, and is spaced apart from each other. Two adjacent positioning grooves are recessed on the outer surface of the movable bolt. When the movable bolt is in the release position, the latch member abuts into one of the positioning grooves. When the movable bolt is at the pressing position, the card The detent abuts into another positioning card slot. For example, in the tape-and-reel flexible circuit board punching mold described in any one of items 1 to 8 in the scope of the patent application, the number of the adjustment punching needles and the fixed punching needles are both several, and the plurality of adjustment punching needles and The distances between the several fixed punches are the same. For example, the tape-and-reel flexible circuit board punching die described in item 9 of the scope of patent application, wherein the front and rear ends of the plurality of fixed punching needles respectively have at least one adjustment punching needle described above, and the number of the bolt grooves is two At least one of the aforementioned movable bolts is respectively accommodated in the two bolt grooves, so that the movable bolts in the two bolt grooves respectively control the adjusting needles located at the front and rear ends of the plurality of fixed punching needles.

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