Flexible printed circuit (FPC) expansion and shrinkage forming die, processing device and production line

Abstract

The utility model discloses an FPC expansion and shrinkage forming mold, a processing device and a production line. The FPC expansion and shrinkage forming mold comprises a bottom mold plate, a panel component, an adjusting block and a locking component. The panel component comprises at least two panel modules, and the panel modules are arranged on the bottom formwork at intervals in the first direction and reserved with interval clamping positions. The adjusting block is arranged on the bottom template and is positioned in the at least one interval clamping position; the locking part is used for locking the panel part in the first direction so that the panel module can be tightly attached to the adjusting block or the adjacent panel module. The panel component for bearing the FPC product is formed by the plurality of panel modules, and the interval clamping positions are reserved on the panel component for selective clamping of the adjusting blocks, so that the panel component can perform movable space adjustment according to the expansion and contraction condition of the product, and after adjustment, the panel component is locked by the locking component and the interval clamping positions are eliminated; therefore, the hidden danger of product forming quality can be reduced, the product quality yield is improved, and the material supplementing condition caused by insufficient yield is effectively reduced.

Description

Technical Field

[0001] The present application relates to the field of FPC molding technology, and in particular to an FPC expansion and contraction molding die, a processing device, and a production line. Background Art

[0002] With the rapid development of the electronics industry, the quality requirements for flexible circuit boards (FPCs) are becoming increasingly higher, and the demand is also increasing. As a result, product types are gradually developing towards high-end precision. The technical and precision requirements for TP / TFT-type products in the FPC module product segment for consumer electronics are also becoming increasingly demanding.

[0003] Currently, the molding molds used in related technologies are all opened at a 1:1 ratio. When the product expands or contracts, it is easy to cause abnormalities such as offset and leakage of copper or product size failure. Based on this, this application proposes a mold with adjustable space according to the expansion and contraction of the product to meet the product molding size and precision engraving, thereby minimizing the scrap and quality risks caused by the failure of the 1:1 expansion and contraction molding mold to meet the precision. Summary of the Invention

[0004] The purpose of this application is to solve at least one of the technical problems existing in the prior art. To this end, this application proposes an FPC expansion and contraction molding die that can reduce product molding quality risks, improve product quality yield, and effectively reduce the need for refilling due to insufficient yield.

[0005] The present application also proposes a processing device including the above-mentioned FPC expansion and contraction molding die.

[0006] The present application also proposes a production line comprising the above-mentioned processing device.

[0007] The FPC expansion and contraction molding die according to the first embodiment of the present application includes:

[0008] bottom template;

[0009] The panel component includes at least two panel modules, each of which is arranged on the bottom template at intervals along the first direction so that a spacing is reserved between adjacent panel modules;

[0010] an adjusting block, disposed on the bottom template and located within at least one of the interval positions;

[0011] The locking component is arranged on the bottom template and is used to lock the panel component along a first direction so that the panel module is in close contact with the adjustment block or the adjacent panel module.

[0012] The FPC expansion and contraction molding mold according to the first aspect of the present application has at least the following beneficial effects: a panel component for carrying FPC products is composed of multiple panel modules, and interval positions are reserved on the panel component for selective insertion of adjustment blocks, so that the panel component can adjust its activity space according to the expansion and contraction of the product. After adjustment, the locking component is used to lock the panel component and eliminate the interval positions, thereby reducing the hidden dangers of product molding quality, improving the product quality yield, and effectively reducing the need for material replenishment due to insufficient yield.

[0013] According to the FPC expansion and contraction molding mold described in the first aspect embodiment of the present application, the locking component includes a card structure and a locking component, the card structure is relatively arranged at the two ends of the first direction of the panel component along the first direction, and the locking component is adjustably arranged on the card structure along the first direction and can act on the end of the panel component.

[0014] According to the FPC expansion and contraction molding mold described in the first embodiment of the present application, the locking part includes a screw, and threaded holes are respectively provided at both ends of the panel component. The screw passes through the card structure and is arranged in the threaded hole.

[0015] According to the FPC expansion and contraction molding mold described in the first aspect embodiment of the present application, the adjustment blocks are provided between adjacent panel modules, and the locking component is used to lock the panel component along the first direction so that the panel module is tightly attached to the adjustment block.

[0016] According to the FPC expansion and contraction molding die described in the embodiment of the first aspect of the present application, the adjustment block is a gasket, and the size of the gasket along the first direction is between 2.0 mm±0.1.

[0017] According to the FPC expansion and contraction molding mold described in the first aspect embodiment of the present application, each panel module is respectively provided with a first mounting hole, and the bottom template is provided with multiple second mounting holes, and each first mounting hole is respectively adapted to each second mounting hole; wherein, the size of the first mounting hole on the panel modules located at both ends of the first direction is larger than the size of the corresponding second mounting hole, so that the panel modules at both ends have a fine-tuning range of preset size.

[0018] According to the FPC expansion and contraction molding mold described in the first aspect embodiment of the present application, the first mounting hole and the second mounting hole are respectively set as pin holes, and each panel module is fixed on the bottom template by each pin passing through the first mounting hole and the second mounting hole.

[0019] According to the FPC expansion and contraction molding die described in the embodiment of the first aspect of the present application, the bottom template and the panel component are respectively provided with third mounting holes for fixation.

[0020] The processing device according to the second embodiment of the present application includes: the FPC expansion and contraction molding mold as described in the first embodiment of the present application.

[0021] The production line according to the embodiment of the third aspect of the present application includes: the processing device as described in the embodiment of the second aspect of the present application.

[0022] It is not difficult to understand that the processing device in the second embodiment of the present application and the production line in the third embodiment of the present application both have the technical effects of the FPC expansion and contraction molding mold in the first embodiment mentioned above, and therefore will not be repeated.

[0023] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present application is further described below with reference to the accompanying drawings and embodiments;

[0025] Figure 1 This is a schematic structural diagram of an embodiment of the present application;

[0026] Figure 2 This is a schematic diagram of an FPC product provided in an embodiment of the present application.

[0027] Reference numerals:

[0028] 100, bottom template; 110, second mounting hole;

[0029] 200, panel component; 210, panel module; 211, first mounting hole;

[0030] 300, adjustment block;

[0031] 400, locking component; 410, card structure; 420, locking component;

[0032] 500. The third mounting hole. DETAILED DESCRIPTION

[0033] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0034] In the description of this application, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on this application.

[0035] In the description of this application, "several" means one or more, "more" means at least two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features.

[0036] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense. Technical personnel in the relevant technical field can reasonably determine the specific meanings of the above terms in this application after combining the specific content of the technical solution.

[0037] Reference Figures 1 to 2 The FPC expansion and contraction molding mold of the first embodiment of the present application is used for processing FPC products. The FPC expansion and contraction molding mold includes a bottom template 100, a panel component 200, an adjustment block 300 and a locking component 400.

[0038] The panel component 200 includes at least two panel modules 210, and each panel module 210 is arranged on the bottom template 100 at intervals along the first direction so that interval positions are reserved between adjacent panel modules 210; the adjustment block 300 is arranged on the bottom template 100 and is located in at least one interval position; the locking component 400 is arranged on the bottom template 100 and is used to lock the panel component 200 along the first direction so that the panel module 210 is tightly attached to the adjustment block 300 or the adjacent panel module 210.

[0039] It can be understood that a panel component 200 for carrying FPC products is composed of multiple panel modules 210, and interval positions are reserved on the panel component 200 for the adjustment block 300 to selectively engage, so that the panel component 200 can adjust its activity space according to the expansion and contraction of the product. After adjustment, the locking component 400 is used to lock the panel component 200 and eliminate the interval positions, thereby reducing the hidden dangers of product molding quality, improving product quality yield, and effectively reducing the need for material replenishment due to insufficient yield.

[0040] In some embodiments of the present application, the locking component 400 includes a card structure 410 and a locking member 420. The card structure 410 is disposed relative to each other at two ends of the panel component 200 in the first direction. The locking member 420 is adjustably disposed on the card structure 410 in the first direction and is capable of acting on the ends of the panel component 200. It is understood that the card structure 410 is respectively abutted against the panel modules 210 located at two ends in the first direction, and the locking member 420 is adjustably disposed on the card structure 410. After the dimensions of the FPC product and the adjustment block 300 are determined, the locking member 420 is utilized to ensure that each panel module 210 is closely attached to the adjustment block 300 and arranged in a compact manner, thereby ensuring the accuracy of subsequent processing of the FPC product.

[0041] In some embodiments, the card structure 410 is a plate, which is respectively disposed at both ends of the panel component 200 in the first direction, so as to maintain the state after the panel component 200 is fine-tuned.

[0042] In some embodiments of the present application, the locking member 420 includes a screw. Threaded holes are provided at both ends of the panel component 200. The screws pass through the card structure 410 and are disposed within the threaded holes. It is understood that screw holes are provided on both sides of the left and right panels of the panel component 200, and the screws are locked and secured. After the mold is adjusted for product expansion and contraction, the left and right screws can be tightened.

[0043] In some embodiments of the present application, an adjustment block 300 is provided between adjacent panel modules 210, and a locking member 400 is used to lock the panel member 200 along a first direction so that the panel module 210 is in close contact with the adjustment block 300. It is understood that the adjustment block 300 can be adapted to different specifications based on the different expansion and contraction degrees of the FPC product, and expansion and contraction adjustments can be made based on the different specifications to further adapt to the expansion and contraction data of the product, thereby achieving a dimensional fine-tuning effect based on the addition of one or more adjustment blocks 300 to meet processing requirements.

[0044] In some embodiments, the mold design structure includes: a base module + a panel module 210. The mold thickness is uniformly 23mm, with a base height of 15mm and a panel height of 8mm. The mold blade height is 1.8mm. The panel component 200 is cut to form the panel module 210, which is divided into blocks based on product size and precision. In some embodiments, sizes below 200mm are adjusted in two blocks, while sizes above 200mm are adjusted in three or four blocks. In some embodiments, products with precision requirements above 0.1mm are adjusted in two blocks, while products with precision requirements below 0.1mm are adjusted in three or four blocks.

[0045] In some embodiments of the present application, the adjustment block 300 is a gasket, and the size of the gasket along the first direction is between 2.0 mm ± 0.1 mm. It is understood that after the mold panels are cut, a gasket is reserved between each two pieces. The original gasket is fixed at 2.0 mm, and a 0.05 mm or 0.1 mm gasket can be added to adjust for expansion and contraction based on the product's expansion and contraction data.

[0046] In some embodiments of the present application, each panel module 210 is provided with a first mounting hole 211, and the base plate 100 is provided with multiple second mounting holes 110, with each first mounting hole 211 corresponding to each second mounting hole 110. The first mounting holes 211 on the panel modules 210 at the two ends of the first direction are larger than the corresponding second mounting holes 110, so that the panel modules 210 at the two ends have a predetermined fine-tuning range. It is understood that the larger mounting holes are used to reserve space for fine-tuning the panel modules 210, so that the panel modules 210 can still be fixed to the base plate 100 by the pins after fine-tuning.

[0047] In some embodiments, the bottom plate pin hole is designed to be 5.0mm, and the panel pin hole design is divided into two types. The middle module pin hole is designed at 1:1 and is designed to be 5.0mm; the left and right panel modules 210 pin holes are designed to be 5.4mm, which is 0.4mm larger than the bottom plate pin hole, and 0.4mm is reserved for left and right fine-tuning of product expansion and contraction.

[0048] In some embodiments of the present application, the first mounting holes 211 and the second mounting holes 110 are respectively configured as pin holes, and each panel module 210 is fixed to the bottom template 100 by having a pin pass through each first mounting hole 211 and second mounting hole 110. It is understandable that, considering that the panel module 210 needs to be adjusted multiple times according to the actual situation of the FPC product, the method of using pins for installation can facilitate use and improve operational efficiency.

[0049] In some embodiments of the present application, the bottom template 100 and the panel component 200 are respectively provided with third mounting holes 500 for fixing. It can be understood that the third mounting hole can be used to reliably mount the mold on the processing device, thereby enabling the FPC product to be processed.

[0050] In some embodiments, two pin holes are punched in the middle of the mold bottom plate, with a spacing of 200 mm between the pin holes, a depth of 10 mm, and a size of 5.03 mm, and the mold is fixed by these pins.

[0051] In some embodiments, the mold flatness is required to be controlled within ±0.03mm, and the mold processing accuracy is required to be controlled within ±0.02mm. The first piece is confirmed to be qualified by three-dimensional measurement using the mold flatness. During the mold making process, the acceptance is controlled according to the above standards to ensure the processing accuracy of the FPC product.

[0052] In some embodiments, the present application uses high-precision wire cutting, CNC, grinding machines, three-dimensional equipment and other equipment used in mold making in the industry to complete the testing and development of forming expansion and contraction molds.

[0053] In some embodiments of the present application, the flatness of the incoming steel is checked, 9 points are measured by three-dimensional measurement, the maximum and minimum data are recorded, and the flatness of the incoming steel is monitored based on the maximum and minimum value ranges; during the production process, the flatness of the mold is corrected using a CNC mold bed, the workpiece is measured and recorded using three-dimensional measurement data, the flatness cpk is calculated, and the mold flatness is accepted according to cpk1.67 to meet the mold flatness tolerance requirement of ±0.03mm, thereby ensuring that the mold flatness is qualified and controlled within ±0.03mm.

[0054] In some embodiments of this application, high-carbon steel is used to ensure material stability. Slow-wire wire cutting is used during the manufacturing process to ensure that the workpiece accuracy is controlled within 0.001mm. All workpieces are measured using three-dimensional measurement to ensure accuracy, ensuring that the mold accuracy is qualified and controlled within ±0.02mm.

[0055] In some embodiments of the present application, before the mold is put on the machine to process the product, a trial punch is performed on the first piece to check whether the mold accuracy and product processing dimensions are qualified; after OK, the mold is debugged with the processed product, and the mold is adjusted according to the expansion and contraction data of the product. After confirmation after the trial punch, the molding control dimensional data of the processed product is measured using the second element to check whether the data is within the qualified requirements. After passing the test, a small batch trial punch is performed; the product molding dimensional data is measured and collected; the dimension CPK is calculated, and the stability of the mold-processed product is tested to ensure that the precision of the mold-processed product is controlled within ±0.05mm.

[0056] Reference Figures 1 to 2 The processing device of the second embodiment of the present application may be a punching processing device, etc. The processing device includes the FPC expansion and contraction molding die of the first embodiment of the present application, which can reduce the hidden dangers of product molding quality, improve product quality yield, effectively reduce the situation of refilling caused by insufficient yield, ensure product delivery time, improve customer satisfaction, and thus improve the competitiveness of FPC products.

[0057] Reference Figures 1 to 2 The production line of the third aspect embodiment of the present application can be a production line for TP / TFT type products in the FPC module product segment, or it can be a production line for TP / TFT type products in the consumer electronics FPC module product segment, etc. The production line includes the processing device of the second aspect embodiment of the present application, and can have good product processing quality and efficiency.

[0058] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0059] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present application.

Claims

1. An FPC expansion and contraction molding die, characterized in that: include: bottom template; The panel component includes at least two panel modules, each of which is arranged on the bottom template at intervals along the first direction so that a spacing is reserved between adjacent panel modules; an adjusting block, disposed on the bottom template and located within at least one of the interval positions; The locking component is arranged on the bottom template and is used to lock the panel component along a first direction so that the panel module is in close contact with the adjustment block or the adjacent panel module.

2. The FPC expansion and contraction molding die according to claim 1, characterized in that: The locking component includes a card structure and a locking component. The card structure is relatively arranged at two ends of the panel component in the first direction. The locking component is adjustably arranged on the card structure along the first direction and can act on the end of the panel component.

3. The FPC expansion and contraction molding die according to claim 2, characterized in that: The locking member includes a screw. Threaded holes are respectively provided at both ends of the panel component. The screw passes through the card structure and is disposed in the threaded hole.

4. The FPC expansion and contraction molding die according to claim 1, characterized in that: The adjusting blocks are provided between adjacent panel modules, and the locking component is used to lock the panel component along a first direction so that the panel module is tightly attached to the adjusting blocks.

5. The FPC expansion and contraction molding die according to claim 4, characterized in that: The adjustment block is a gasket, and a size of the gasket along the first direction is between 2.0 mm±0.

1.

6. The FPC expansion and contraction molding die according to claim 1, characterized in that: Each of the panel modules is provided with a first mounting hole, and the bottom template is provided with multiple second mounting holes, and each of the first mounting holes is adapted to each of the second mounting holes; wherein, the size of the first mounting holes on the panel modules located at both ends of the first direction is larger than the size of the corresponding second mounting holes, so that the panel modules at both ends have a fine-tuning range of preset size.

7. The FPC expansion and contraction molding die according to claim 6, characterized in that: The first mounting holes and the second mounting holes are respectively configured as pin holes, and each panel module is fixedly mounted on the bottom template by having each pin pass through each first mounting hole and each second mounting hole.

8. The FPC expansion and contraction molding die according to claim 1, characterized in that: The bottom template and the panel component are respectively provided with third mounting holes for fixing.

9. A processing device, characterized in that: include: The FPC expansion and contraction molding die according to any one of claims 1 to 8.

10. A production line, characterized in that: include: The processing device according to claim 9.

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