CN221081662U

CN221081662U - Cover film electroplating clamping point position die

Info

Publication number: CN221081662U
Application number: CN202323038656.6U
Authority: CN
Inventors: 雒天华; 童代兵
Original assignee: Zhuhai Dahan Electronics Co ltd
Current assignee: Zhuhai Dahan Electronics Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-06-04
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses a covering film electroplating clamping point position die which comprises a top plate and a bottom plate which are arranged up and down, wherein at least two through holes and at least two positioning pieces are arranged on the bottom plate; the top plate is provided with avoidance holes and punches, the number of the avoidance holes is equal to that of the locating pieces, the avoidance holes are arranged in one-to-one correspondence with the locating pieces, the locating pieces are matched with the locating holes preset in the covering film, the number of the punches is equal to that of the through holes, the punches are arranged in one-to-one correspondence with the through holes, the punching mechanism drives the top plate and the punches to lift, and the outer wall of the punches is matched with the side wall of the through holes to punch out electroplating clamping points on the covering film. The punch is matched with the through hole, and the waste material with the same shape as the required electroplating clamping point position is punched on the cover film, so that the electroplating clamping point position is processed on the cover film. The electroplating clamping point is processed in a punching mode, so that the defects of uneven, rough edges, charring and the like at the notch of the electroplating clamping point formed by the covering film can be avoided.

Description

Cover film electroplating clamping point position die

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a covering film electroplating clamping point position mould.

Background

Electroplating the soft board, namely electroplating the bonding pad of the soft board or electroplating the surface treatment mode of silver and gold, wherein the surface of the soft board is covered with a covering film (coverlay), an electroplating clamping point position is required to be arranged on the covering film corresponding to the area of the soft board, the area of the soft board exposed at the electroplating clamping point position is an electroplating clamping point area, after the electroplating clamp is clamped in the electroplating clamping point area, the soft board, the covering film and the electroplating clamp can be put into an electroplating tank for electroplating, and the electroplating clamping point position plays a role of giving way to the electroplating clamp.

At present, electroplating clamping points are generally machined through drill bit drilling or laser cutting perforating, drill bit drilling can cause conditions such as covering film notch is incomplete and has deckle edges, laser cutting perforating can enable the edge of covering film notch to appear the condition of carbonization, and laser cutting perforating's cost is higher.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the covering film electroplating clamping point position die which can improve the flatness of the notch of the electroplating clamping point position of the covering film and improve the efficiency of processing the electroplating clamping point position of the covering film.

The covering film electroplating clamping point position die comprises a bottom plate and a top plate, wherein the bottom plate is used for being connected with a stamping table of a stamping machine, and at least two through holes and at least two positioning pieces are formed in the bottom plate; the roof be used for with the punching press mechanism of punching machine is connected, the roof is located the top of bottom plate, be equipped with on the roof and dodge hole and drift, dodge the hole the quantity with the quantity of setting element equals, dodge the hole with the setting element sets up from top to bottom one-to-one, the bottom plate is used for supporting the tectorial membrane, the setting element with preset locating hole cooperation on the tectorial membrane, the quantity of drift with the quantity of through-hole equals, the drift with the upper and lower one-to-one of through-hole sets up, the punching press mechanism drive the roof with the drift goes up and down, the outer wall of drift with the lateral wall cooperation of through-hole is in order to die-cut out the electroplating pinch-point on the tectorial membrane.

Has at least the following beneficial effects: the locating piece is inserted into the locating hole, and the covering film is accurately located on the bottom plate; the roof is carrying the drift and is descending, and the setting element inserts first dodge hole, avoids the setting element to be pressed apart by the roof, and the drift pushes down the tectorial membrane, and the drift cooperates with the through-hole, die-cut waste material the same with required electroplating pinch point position shape down on the tectorial membrane, in the waste material was pressed into the through-hole by the drift, accomplishes to process out electroplating pinch point position on the tectorial membrane. The electroplating clamping point is processed in a punching mode, so that the defects of uneven, rough edges, charring and the like at the notch of the electroplating clamping point formed by the covering film can be avoided, and the flatness of the inner wall of the electroplating clamping point is improved.

According to some embodiments of the utility model, the cover film is provided with a first avoiding hole, and the first avoiding hole is provided on the cover film.

According to some embodiments of the utility model, the top plate is provided with at least two guide posts, the stripper plate and the bottom plate are respectively provided with a first guide hole and a second guide hole, the guide posts penetrate through the first guide holes and can be inserted into the second guide holes, and an elastic buffer piece is arranged between the stripper plate and the top plate.

According to some embodiments of the utility model, the elastic buffer is a rubber pad or a spring.

According to some embodiments of the utility model, two opposite sides of the top plate and the stripper plate are respectively provided with an upper positioning groove and a lower positioning groove, and the upper end and the lower end of the elastic buffer piece are respectively inserted into the upper positioning groove and the lower positioning groove.

According to some embodiments of the utility model, the number of the through holes and the punches is two, and the center distance between the two through holes and the center distance between the two punches are 250mm.

According to some embodiments of the utility model, the upper surface of the top plate is connected with a back plate, the punch comprises a limiting part and a punching part which are connected, the top plate is provided with a mounting hole, the limiting part is arranged in a limiting groove formed between the back plate and the top plate, the upper end of the punching part is penetrated through the mounting hole, and the outer wall of the lower end of the punching part is matched with the side wall of the through hole to punch out an electroplating clamping point on the covering film.

According to some embodiments of the utility model, a discharge channel is provided at the bottom of the bottom plate, which communicates with the through hole.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a cover film according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a die for electroplating a coating film with a clamping point according to an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of a die for plating a coating film;

FIG. 4 is a schematic side view of a die for plating a coating film with a clamping point according to an embodiment of the utility model;

Reference numerals:

A cover film 10; a positioning hole 11; electroplating a clamping point 12; a base plate 100; a through hole 110; a positioning member 120; a second guide hole 130; a discharge channel 140; a top plate 200; a mounting hole 210; a first escape hole 300; a punch 400; a stripper plate 500; a first guide hole 510; a through hole 520; a second avoidance hole 530; guide post 600; an elastic buffer 700; a back plate 800.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 4, the present utility model discloses a cover film plating clip point mold, which comprises a bottom plate 100 and a top plate 200, wherein the bottom plate 100 is used for being connected with a punching table of a punching machine, the punching table has the function of supporting and fixing the bottom plate 100, the top plate 200 is used for being connected with a punching mechanism of the punching machine, the punching mechanism has the function of driving the top plate 200 to lift, and the top plate 200 is always positioned above the bottom plate 100.

The bottom plate 100 is provided with at least two through holes 110 and at least two positioning pieces 120; be equipped with first hole 300 and the drift 400 of dodging on the roof 200, the quantity in first hole 300 of dodging equals with the quantity of setting element 120, first hole 300 of dodging sets up with setting element 120 upper and lower one-to-one, bottom plate 100 is used for supporting covering membrane 10, setting element 120 cooperates with the locating hole 11 of predetermineeing on the covering membrane 10, the quantity in drift 400 equals with the quantity of through-hole 110, drift 400 sets up with through-hole 110 upper and lower one-to-one, stamping mechanism drives roof 200 and drift 400 and goes up and down, the outer wall of drift 400 cooperates with the lateral wall of through-hole 110 in order to die-cut out electroplating pinch-point position 12 on covering membrane 10.

When the cover film needs to be processed, the cover film 10 is moved between the bottom plate 100 and the top plate 200, so that the positioning holes 11 are positioned above the positioning pieces 120, and then the cover film 10 is moved downwards, so that the positioning pieces 120 are inserted into the positioning holes 11, and the cover film 10 is accurately positioned on the bottom plate 100; immediately after the top plate 200 is lowered with the punch 400, the positioning member 120 is inserted into the first avoiding hole 300, so that the positioning member 120 is prevented from being broken by the top plate 200, the punch 400 presses down the cover film 10, the punch 400 is matched with the through hole 110, the waste material with the same shape as the required electroplating clamping point 12 is punched on the cover film 10, the waste material is pressed into the through hole 110 by the punch 400, and the electroplating clamping point 12 is processed on the cover film 10.

The electroplating clamping point 12 is processed in a punching mode, so that the defects of uneven, rough edges, charring and the like at the notch of the electroplating clamping point 12 formed by the cover film 10 can be avoided, and the flatness of the inner wall of the electroplating clamping point 12 is improved. And high laser cutting equipment is not needed, so that the production cost is reduced. After the electroplating clamping point 12 is processed on one side of the cover film 10 by the die, the cover film 10 can be rotated, so that the positioning holes 11 on other sides or other areas of the cover film 10 correspond to the positioning pieces 120, the electroplating clamping point 12 can be processed on other sides or other areas of the cover film 10 by the die, and the die is convenient and quick to operate and high in efficiency.

It is conceivable that the plurality of through holes 110 and the plurality of spacers 120 may be distributed in the left-right direction. The bottom plate 100 is provided with a limiting hole, the positioning piece 120 is in interference fit with the limiting hole, the upper end of the positioning piece 120 protrudes from the upper surface of the bottom plate 100, and the upper end of the positioning piece 120 is conical. The cross-sections of the through-hole 110 and the punch 400 can be adapted to the shape of the plating nip 12 to be machined, or the shapes of the partial areas of the cross-sections of the through-hole 110 and the punch 400 can be adapted to the shape of the plating nip 12 to be machined.

Referring to fig. 2 to 4, in some embodiments, the mold further includes a stripper plate 500 disposed between the top plate 200 and the bottom plate 100, the stripper plate 500 being liftably connected to the top plate 200, initially, the relative distance between the top plate 200 and the stripper plate 500 being at a maximum, the stripper plate 500 being lowered with the top plate 200 when the top plate 200 is lowered with the punch 400, the top plate 200 being continuously lowered when the stripper plate 500 is initially pressed down on the cover film 10, the relative distance between the top plate 200 and the stripper plate 500 being shortened, i.e., the stripper plate 500 being raised with respect to the top plate 200, controlling the lowering height of the top plate 200 and the punch 400, so that crushing of the cover film 10 by the stripper plate 500 can be prevented.

Referring to fig. 3, a second avoidance hole 530 is formed in the stripper plate 500 in a region corresponding to the positioning member 120, and the positioning member 120 may be inserted into the second avoidance hole 530 to prevent the stripper plate 500 from crushing the positioning member 120. The second avoidance holes 530 are vertically in one-to-one correspondence with the first avoidance holes 300.

Referring to fig. 2, in some embodiments, at least two guide posts 600 are disposed on the top plate 200, the stripper plate 500 and the bottom plate 100 are respectively provided with a first guide hole 510 and a second guide hole 130, the guide posts 600 are disposed through the first guide holes 510 and can be inserted into the second guide holes 130, and the arrangement of the guide posts 600 can ensure that the top plate 200, the stripper plate 500 and the bottom plate 100 are vertically opposite to each other, so as to avoid the relative horizontal offset of the top plate 200, the stripper plate 500 and the bottom plate 100.

Referring to fig. 2 and 3, an elastic buffer 700 is provided between the stripper plate 500 and the top plate 200, when the stripper plate 500 is pressed against the cover film 10, the elastic buffer 700 is compressed, the stripper plate 500 moves upward relative to the top plate 200, and when the plating nip 12 is finished, the top plate 200 moves upward, the elastic buffer 700 stretches, the stripper plate 500 moves downward relative to the top plate 200, and the stripper plate 500 remains pressed against the cover film 10 at the initial stage of the lifting of the top plate 200, so that the cover film 10 is pressed downward when the punch 400 exits the plating nip 12, thereby preventing the punch 400 from bringing the plating nip 12.

In some of these embodiments, the resilient cushioning member 700 is a rubber pad or spring. The rubber pad or the spring can connect the stripper plate 500 and the top plate 200 together, or connect the stripper plate 500 and the top plate 200 together through the pull rod, so as to prevent the stripper plate 500 from being completely separated from the top plate 200, and further prevent the stripper plate 500 from being unable to lift along with the top plate 200.

Referring to fig. 3, in some embodiments, two opposite sides of the top plate 200 and the stripper plate 500 are respectively provided with an upper positioning groove and a lower positioning groove, and the upper and lower ends of the elastic buffer 700 are respectively inserted into the upper positioning groove and the lower positioning groove, and the upper positioning groove and the lower positioning groove play a role in limiting the elastic buffer 700, so as to prevent the elastic buffer 700 from being deviated or falling.

In some of these embodiments, the number of through holes 110 and punches 400 is two, and the center-to-center distance between two through holes 110 and the center-to-center distance between two punches 400 is 250mm.

According to the production standardization and the demand of the flexible board in the current industry, the fixed dimension sides of the general flexible board are 250mm, 500mm or other dimensions, the adjacent sides of the fixed dimension sides are variable dimension sides, the flexible board must be provided with fixed point clamps for electroplating in the electroplating process, and the fixed point corresponds to the electroplating clamp point position 12, so that the electroplating demand can be realized. Therefore, four jig positioning pins and electroplating clamping position yielding points are symmetrically added on the side of the fixed size, so that the purpose that a plurality of material numbers can use the jig is realized. The center distance between the two punches 400 of the die is set to be 250mm, so that the die can be suitable for soft boards with different specifications, the cost is saved, the uniformity of the production line die is achieved, and the management is convenient.

Referring to fig. 3, in some embodiments, a back plate 800 is attached to the upper surface of the top plate 200, and the top plate 200 is connected to a punching mechanism through the back plate 800. The punch 400 comprises a limiting part and a punching part which are connected, wherein the top plate 200 is provided with a mounting hole 210, the limiting part is arranged in a limiting groove formed between the back plate 800 and the top plate 200, the upper end of the punching part is penetrated through the mounting hole 210, the back plate 800 and the top plate 200 play a role in clamping and fixing the punch 400, the back plate 800 and the top plate 200 are disassembled, and the punch 400 can be conveniently mounted and dismounted. It is conceivable that the top plate 200 and the back plate 800 are fixedly connected by a fastener, by which the top plate 200 and the back plate 800 can be rapidly detached, and the top plate 200 and the back plate 800 are connected together. The fastener may be a bolt.

The lower end of the punching portion extends below the top plate 200, and the outer wall of the lower end of the punching portion cooperates with the side wall of the through hole 110 to punch out the plating nip 12 on the cover film 10.

Referring to fig. 3, in another embodiment, a through hole 520 is formed on the stripper plate 500, a punching portion is disposed through the mounting hole 210 and the through hole 520, and extends below the stripper plate 500, and an outer wall of a lower end of the punching portion cooperates with a sidewall of the through hole 110 to punch out the electroplating clamping point 12 on the cover film 10.

In some embodiments, the bottom of the bottom plate 100 is provided with a discharge channel 140 communicated with the through hole 110, and the waste material falls on the discharge channel 140 after passing through the through hole 110, and the discharge channel 140 discharges the waste material, so that the through hole 110 and the discharge channel 140 are prevented from being blocked by the waste material.

It is conceivable to further include an air-injecting mechanism, which injects air into the discharge passage 140 to blow away the waste, and the discharge passage 140.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A cover film plating pinch point mold, comprising:

The bottom plate is used for being connected with a stamping table of the stamping machine, and is provided with at least two through holes and at least two positioning pieces;

The top plate is used for being connected with the punching mechanism of punching machine, the top plate is located the top of bottom plate, be equipped with first hole and the drift of dodging on the top plate, the first quantity of dodging the hole with the quantity of setting element equals, first dodge the hole with the setting element sets up from top to bottom one-to-one, the bottom plate is used for supporting the tectorial membrane, the setting element with preset locating hole cooperation on the tectorial membrane, the quantity of drift with the quantity of through-hole equals, the drift with the setting of through-hole one-to-one from top, the punching mechanism drive the top plate with the drift goes up and down, the outer wall of drift with the lateral wall cooperation of through-hole is in order to die-cut out electroplating pinch-point on the tectorial membrane.

2. The cover film plating clip point die set forth in claim 1, wherein: the material removing plate is arranged between the top plate and the bottom plate, is connected with the top plate in a lifting manner and is used for pressing down the covering film, and a second avoiding hole is formed in the material removing plate in a region corresponding to the positioning piece.

3. The cover film plating clip point die set forth in claim 2, wherein: the material removing plate is characterized in that at least two guide posts are arranged on the top plate, a first guide hole and a second guide hole are respectively arranged on the material removing plate and the bottom plate, the guide posts penetrate through the first guide hole and can be inserted into the second guide hole, and an elastic buffer piece is arranged between the material removing plate and the top plate.

4. A cover film plating clip point die according to claim 3, wherein: the elastic buffer piece is a rubber pad or a spring.

5. A cover film plating clip point die according to claim 3 or 4, wherein: the upper and lower ends of the elastic buffer piece are respectively inserted into the upper positioning groove and the lower positioning groove.

6. The cover film plating clip point die set forth in claim 1, wherein: the number of the through holes and the number of the punches are two, and the center distance between the two through holes and the center distance between the two punches are 250mm.

7. The cover film plating clip point die set forth in claim 1, wherein: the upper surface of roof is connected with the backplate, the drift includes spacing portion and the die-cut portion that links to each other, be equipped with the mounting hole on the roof, spacing portion is located the backplate with in the spacing groove that forms between the roof, the upper end of die-cut portion is worn to locate the mounting hole, the outer wall of the lower extreme of die-cut portion with the lateral wall cooperation of through-hole is in order to die-cut out electroplating clip point position on the tectorial membrane.

8. The cover film plating clip point die set forth in claim 1, wherein: the bottom of the bottom plate is provided with a discharging channel communicated with the through hole.