CN113021520A - In-mold hot-pressing stamping die and stamping method thereof - Google Patents
In-mold hot-pressing stamping die and stamping method thereof Download PDFInfo
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- CN113021520A CN113021520A CN201911247168.1A CN201911247168A CN113021520A CN 113021520 A CN113021520 A CN 113021520A CN 201911247168 A CN201911247168 A CN 201911247168A CN 113021520 A CN113021520 A CN 113021520A
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- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/08—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of ceramic green sheets, printed circuit boards and the like
Abstract
The invention provides an in-mold hot-pressing stamping die and a stamping method thereof, which relate to the technical field of die manufacturing and comprise an upper die and a lower die, wherein the upper die is provided with a stamping punch component for stamping, and the lower die is provided with a heating gasket corresponding to the stamping punch component; by adopting the technical scheme provided by the invention, the FPC reinforcing plate and the inner shrinking glue are punched and heated and laminated at the same time, so that the manufacturing process of the inner shrinking glue product of the FPC reinforcing plate is simplified, the production efficiency is improved, the glue flowing problem in the heating and laminating process can be effectively avoided, and the product yield of the inner shrinking glue product of the FPC reinforcing plate is improved.
Description
Technical Field
The invention relates to the technical field of die manufacturing, in particular to an in-die hot-pressing stamping die and a stamping method thereof.
Background
A Flexible Printed Circuit (FPC) stiffener is referred to as an FPC stiffener. The FPC reinforcing plate is widely used in the FPC flexible circuit board, mainly solves the flexibility of the FPC, improves the strength of a plug-in part and facilitates the integral assembly of a product.
The patent application (CN106231798A) discloses a processing technology of an inner shrinking rubber product of an FPC reinforcing plate, which comprises the following processing steps: firstly, punching to prepare a molded inner shrinking rubber product; then, attaching the punched molded inner shrinking rubber product to an FPC reinforcing plate through a sleeve position hole, and fixing the molded inner shrinking rubber product on the surface of a stainless steel sheet through a rubber roller by heat; and finally, continuously feeding on a stamping device, matching the female die with a matched insert, fixing the position of the molded inner shrinking rubber product by using a guide pin, and realizing the appearance of the product under the punching of the punch, thereby realizing continuous large-batch production.
The processing technology of the inner shrinking rubber product of the FPC reinforcing plate disclosed by the patent is relatively complex in processing steps, high in requirement on the fitting precision in the step of fitting the molded inner shrinking rubber product to the FPC reinforcing plate, and high in processing cost; and after the lamination, the hot rolling operation is carried out on the formed inner shrinking glue, and the inner shrinking glue is easy to flow due to heating, so that the yield of the product is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an in-mold hot-pressing stamping die and a stamping method thereof, which greatly simplify the manufacturing process of an inner shrinking adhesive product of an FPC reinforcing plate and simultaneously avoid the problem of adhesive fluidity caused by adhering adhesive first and then hot pressing.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides an in-mold hot-pressing stamping die which comprises an upper die and a lower die, wherein the upper die is provided with a stamping punch assembly for stamping, and the lower die is provided with a heating gasket corresponding to the stamping punch assembly.
In a further aspect of the above scheme, the punching punch assembly includes a first driving mechanism for providing a driving force and a punching punch for punching the inner contracted glue product, and the first driving mechanism is fixedly connected to the punching punch.
According to a further scheme of the scheme, the punch-type punches are arranged in pairs along the width direction of the FPC reinforcing plate.
The further scheme of the scheme is that the number of pairs of the punching punches is not less than 3.
The positioning hole punching assembly is used for punching the positioning hole.
In a further aspect of the above solution, the positioning hole punch assembly includes a second driving mechanism for providing a driving force and a positioning hole punch for punching the shrinking adhesive product, and the second driving mechanism is fixedly connected to the punching punch.
According to a further scheme of the scheme, the positioning hole punches are arranged in pairs along the width direction of the FPC reinforcing plate, and the number of the positioning hole punches is not less than 2 pairs.
According to a further scheme of the scheme, the steel plate heating device further comprises a feeding groove arranged on the lower die, and the feeding groove is located at the front end of the heating gasket along the feeding direction of the steel plate.
The further scheme of above-mentioned scheme does, the feed chute includes first guide board and second guide board, first guide board is located one side of FPC stiffening plate, the opposite side of FPC stiffening plate is located to the second guide board.
In addition, the invention also provides a punching method of the in-mold hot-pressing stamping die, the FPC reinforcing plate and the inner shrinking glue enter the die through a guide plate of a feed chute of the lower die, the heating gasket heats the FPC reinforcing plate and the inner shrinking glue, meanwhile, a punching punch of the upper die punches the inner shrinking glue, and a positioning hole punch punches the side of the inner shrinking glue to finish punching processing of an FPC inner shrinking glue product.
Compared with the prior art, the technical scheme provided by the invention has the following advantages and beneficial effects: an in-mold hot-pressing stamping die for an FPC reinforcing plate internal shrinkage glue product comprises an upper die and a lower die, wherein the upper die is provided with a stamping punch assembly for stamping, and the lower die is provided with a heating gasket corresponding to the stamping punch assembly; by adopting the technical scheme provided by the invention, the FPC reinforcing plate and the inner shrinking glue are punched and heated and laminated at the same time, so that the manufacturing process of the inner shrinking glue product of the FPC reinforcing plate is simplified, the production efficiency is improved, the glue flowing problem in the heating and laminating process can be effectively avoided, and the product yield of the inner shrinking glue product of the FPC reinforcing plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of an in-mold hot-pressing stamping die in a front view;
FIG. 2 is a schematic top view of the lower mold in the embodiment.
In the figure: 1, mounting a mold; 2-lower mould; 32-punching punch; 4-heating the gasket; 5-FPC stiffening plate; 6-internal contraction glue; 72-positioning hole punch; 8-a feed chute; 81-a first guide plate; 82-a second guide plate; 9-positioning holes; 10-a winding shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1-2, an in-mold hot-pressing stamping die for an FPC stiffener inner shrinking product includes an upper die 1 and a lower die 2, where the upper die 1 is provided with a punching punch assembly for punching, and the lower die 2 is provided with a heating pad 4 corresponding to the punching punch assembly.
The punching punch assembly is used for punching the inner shrinking glue, and the heating gasket 4 is used for heating the FPC reinforcing plate 5 and the inner shrinking glue 6 (stainless steel sheet in the embodiment); the intramode hot-pressing stamping die for the FPC stiffening plate internal shrinkage rubber product provided by the embodiment realizes simultaneous processing of 6 punching and hot-pressing laminating of the internal shrinkage rubber, greatly simplifies the manufacturing process of the existing FPC stiffening plate internal shrinkage rubber product, and improves the production efficiency.
In this embodiment, the punch assembly includes a first driving mechanism (not shown in the drawings) for providing a driving force and a punch 32 for punching the shrinking adhesive, the first driving mechanism is fixedly connected to the punch 32, the fixed connection may be welding or other connection manners, and the fixed connection manner is not specifically limited in this embodiment.
The first driving mechanism may be an oil cylinder drive or an air cylinder drive, and the embodiment does not specifically limit the specific driving mechanism as long as the punching punch 32 can be driven to punch the internal contracting adhesive 6.
The punching punch 32 is used for punching the inner shrinking glue 6, and the outer diameter of the punched inner shrinking glue 6 is slightly smaller than that of the stainless steel sheet.
In this embodiment, the punch pins 32 are arranged in pairs along the width direction of the FPC stiffener 5.
In this embodiment, the stainless steel sheet sets up side by side in pairs along its width is square, and the punching type punching pin 32 that corresponds also sets up in pairs, and the pair punching type can improve in-mould stamping die's production efficiency by a wide margin.
In this embodiment, the number of pairs of the punching punches 32 is not less than 3, and preferably 3 pairs in this embodiment.
In this embodiment, the positioning hole punching assembly further comprises a positioning hole punching component for punching the positioning hole.
The positioning hole punch assembly is used for punching the side of the inner shrinking glue.
In this embodiment, the positioning hole punch assembly includes a second driving mechanism (not shown) for providing a driving force and a positioning hole punch 72 for punching the shrink-fit product, and the second driving mechanism is fixedly connected to the positioning hole punch 72.
The above-mentioned fixed connection may adopt welding, also may adopt other connection modes, and this embodiment does not specifically limit the fixed connection mode.
The second driving mechanism may be driven by an oil cylinder or an air cylinder, and the embodiment does not specifically limit the specific driving mechanism as long as the punching punch can be driven to punch the inner shrinkable rubber 6.
In this embodiment, the positioning hole punches 72 are arranged in pairs along the width direction of the FPC reinforcement plate, and the number of the positioning hole punches 72 is not less than 2 pairs. The positioning hole punches 72 arranged in pairs can greatly improve the production efficiency of the in-mold hot-pressing stamping die.
In this embodiment, the steel plate heating device further comprises a feed chute 8 arranged on the lower die 2, wherein the feed chute is located at the front end of the heating gasket 4 in the steel plate feeding direction, that is, the feed chute 8 is located on the left side of the heating gasket 4 (as shown in fig. 2);
the feeding groove 8 is used for guiding the inner shrinking rubber 6 and the stainless steel sheet, so that the inner shrinking rubber is positioned on the stainless steel sheet, and meanwhile, the inner shrinking rubber can cover the stainless steel sheet.
In this embodiment, the feed chute 8 includes a first guide plate 81 and a second guide plate 82, the first guide plate 81 is disposed on one side of the FPC stiffening plate 5, and the second guide plate 82 is disposed on the other side of the FPC stiffening plate.
The first guide plate 81 and the second guide plate 82 are used to guide and integrate the implosion gum and the stainless steel sheet, ensuring that the implosion gum covers the top of the stainless steel sheet.
In addition, the invention also provides a punching method of the in-mold hot-pressing stamping die, the FPC reinforcing plate and the inner shrinking glue enter the die through a guide plate of a feed chute 8 of the lower die 2, the heating gasket 4 heats the FPC reinforcing plate 5 and the inner shrinking glue 6, meanwhile, a punching punch of the upper die 1 punches the inner shrinking glue 6, a positioning hole punch 72 punches a hole on the side of the inner shrinking glue 6 to form a positioning hole 9, punching processing of an inner shrinking glue product of the FPC reinforcing plate is completed, and the punched inner shrinking glue product of the FPC reinforcing plate is wound by a winding shaft 10.
The technical scheme provided by the embodiment has the following advantages and beneficial effects:
1. and a heating gasket 4 is arranged on the lower die 2 of the in-die hot-pressing stamping die, and the inner shrinking glue is directly heated and laminated while being stamped on the stainless steel sheet. The punching and hot pressing steps of the inner shrinkage rubber 6 are combined into a whole, so that the process steps are simplified, the working efficiency is improved, and the cost is saved;
2. compared with the traditional method of directly punching the positioning hole on the internal shrinkage glue, the method is not easy to deform and has higher punching precision;
3. the stainless steel sheet is covered with the inner shrinking glue, the stainless steel sheet and the inner shrinking glue are hot rolled by using a rolling machine, and the inner shrinking glue is deformed and deviated due to the rolling because the inner shrinking glue is heated and flows, so that the product precision is influenced. The in-mold hot-pressing stamping die and the stamping mode thereof directly stamp and heat the inner shrinking rubber product on the stainless steel sheet, thereby avoiding the occurrence of the offset phenomenon and improving the product precision.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an in-mould hot pressing stamping die which characterized in that, includes upper die and bed die, the upper die is provided with the type punching subassembly that is used for punching the type, the bed die be provided with the corresponding heating gasket of type punching subassembly.
2. The in-mold hot pressing stamping die according to claim 1, wherein the punch assembly comprises a first driving mechanism for providing driving force and a punch for punching the inner shrinkable rubber product, and the first driving mechanism is fixedly connected with the punch.
3. The in-mold hot-pressing stamping die according to claim 2, wherein the stamping punches are arranged in pairs along the width direction of the FPC reinforcing plate.
4. The in-mold hot-pressing stamping die according to claim 3, wherein the number of pairs of stamping punches is not less than 3.
5. The in-mold hot press stamping die of claim 4, further comprising a pilot hole punch assembly for punching a pilot hole.
6. The in-mold hot-pressing stamping die of claim 5, wherein the positioning hole punch assembly comprises a second driving mechanism for providing a driving force and a positioning hole punch for punching the inner shrinkable rubber product, and the second driving mechanism is fixedly connected with the positioning hole punch.
7. The in-mold hot-pressing stamping die according to claim 6, wherein the positioning hole punches are arranged in pairs along the width direction of the FPC reinforcing plate, and the number of the positioning hole punches is not less than 2 pairs.
8. The in-mold hot-pressing stamping die of claim 7, further comprising a feed chute provided in the lower die, the feed chute being located at a front end of the heating pad in a steel plate feeding direction.
9. The in-mold hot-pressing stamping die according to claim 8, wherein the feed chute includes a first guide plate and a second guide plate, the first guide plate is disposed on one side of the FPC stiffener, and the second guide plate is disposed on the other side of the FPC stiffener.
10. The stamping method of the in-mold hot-pressing stamping die as claimed in claim 9, wherein the FPC stiffener and the inner shrinking glue enter the die through a guide plate of a feed channel of the lower die, the heating gasket heats the FPC stiffener and the inner shrinking glue, meanwhile, a punching punch of the upper die punches the inner shrinking glue, and a positioning hole punch punches the side of the inner shrinking glue to complete the punching process of the FPC inner shrinking glue product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247168.1A CN113021520A (en) | 2019-12-09 | 2019-12-09 | In-mold hot-pressing stamping die and stamping method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247168.1A CN113021520A (en) | 2019-12-09 | 2019-12-09 | In-mold hot-pressing stamping die and stamping method thereof |
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| CN113021520A true CN113021520A (en) | 2021-06-25 |
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| CN201911247168.1A Pending CN113021520A (en) | 2019-12-09 | 2019-12-09 | In-mold hot-pressing stamping die and stamping method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393096A (en) * | 2021-12-24 | 2022-04-26 | 深圳市腾鑫精密电子芯材科技有限公司 | Stamping die for three-dimensional steel reinforcing tape adhesive of 5G chip circuit board and processing technology of stamping die |
| CN116175984A (en) * | 2022-12-29 | 2023-05-30 | 泰宇科技（深圳）有限公司 | Reinforcing sheet glue punching and pasting integrated equipment |
| CN116193719A (en) * | 2022-12-29 | 2023-05-30 | 泰宇科技（深圳）有限公司 | Glue material screen cloth laminating integration equipment |
-
2019
- 2019-12-09 CN CN201911247168.1A patent/CN113021520A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393096A (en) * | 2021-12-24 | 2022-04-26 | 深圳市腾鑫精密电子芯材科技有限公司 | Stamping die for three-dimensional steel reinforcing tape adhesive of 5G chip circuit board and processing technology of stamping die |
| CN116175984A (en) * | 2022-12-29 | 2023-05-30 | 泰宇科技（深圳）有限公司 | Reinforcing sheet glue punching and pasting integrated equipment |
| CN116193719A (en) * | 2022-12-29 | 2023-05-30 | 泰宇科技（深圳）有限公司 | Glue material screen cloth laminating integration equipment |
| CN116193719B (en) * | 2022-12-29 | 2024-03-29 | 泰宇科技（深圳）有限公司 | Glue material screen cloth laminating integration equipment |
| CN116175984B (en) * | 2022-12-29 | 2024-05-03 | 泰宇科技（深圳）有限公司 | Reinforcing sheet glue punching and pasting integrated equipment |
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