Cold-pressing method for film capacitors
A technology of thin film capacitors and cold pressing, which is applied in the direction of thin film/thick film capacitors, laminated capacitors, etc., can solve the problems of reduced electrical performance of capacitors, easy loosening of the gold sprayed layer, and decreased contact fastness of the gold sprayed layer, and achieves high efficiency. Effect
Inactive Publication Date: 2015-06-03
陈衡
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Problems solved by technology
The cold pressing is too tight, and the end face of the core after flattening is not upright, which is not conducive to the penetration of metal particles into the "pocket" formed by the wrong edge when spraying gold, and the contact fastness of the sprayed gold layer is reduced, such as metallized film Damaged, the electrical performance of the capacitor decreases
If the cold pressing is too loose, the core cannot be completely shaped, and the gold-sprayed layer in contact with the metallized layer on the end surface of the core is easy to loose due to welding pressure, the contact loss of the product is large, and it is difficult to control other electrical parameters of the product at the same time
Method used
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Experimental program
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Embodiment Construction
[0016] A kind of film capacitor cold pressing method, comprises the steps:
[0017] (1) Arrange the coiled capacitor cores in a row through the vibrating tray to the transmission suction cup interface;
[0018] (2) The suction cup absorbs the capacitor core and turns it to a certain angle, and sends the material to the cold pressing column;
[0019] (3) The cold pressing column falls, bringing the capacitor core to the cold pressing station, and the hydraulic system controls the pressure head to press the capacitor core tightly, and then takes it to the unloading station for unloading.
[0020] Among them, when the suction cup is feeding, the suction hole is connected to the negative pressure chamber, and the adsorption core is sent to the cold pressure column; at the exchange position between the cold pressure column and the suction cup, the suction hole is disconnected from the negative pressure chamber, and quickly communicates with the atmosphere Speed up the rele...
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The invention relates to the field of special technology and equipment for the electronic industry, in particular to a cold-pressing method for film capacitors. The cold-pressing method for film capacitors includes the following steps: (1) rolled capacitor packets are arranged in a row by a vibrating tray and transferred to the port of a transfer suction cup; (2) the suction cup sucks the capacitor packets to rotate by a certain angle, and sends the materials under a cold-pressing column; (3) the cold-pressing column moves down to bring the capacitor packets to a cold-pressing station, and after a hydraulic system controls a pressing head to press the capacitor packets, the capacitor packets are then brought to a discharge station and discharged. The cold-pressing method for film capacitors is highly efficient, stable and reliable, and solves the key problems of low automation degree, poor quality, low efficiency and the like in the cold pressing process for film capacitors.
Description
technical field [0001] The invention relates to the field of special technical equipment for the electronic industry, in particular to a method for cold pressing of thin film capacitors. Background technique [0002] The common production process of film capacitors in electronic components is: winding, cold pressing (or hot pressing), pre-woven tape, gold spraying, welding, packaging, sorting and marking, etc. Among them, the cold pressing process has a low degree of automation, and many manufacturers rely on manual or semi-automatic equipment to complete it. The production efficiency is low and the quality is difficult to guarantee. [0003] The cold pressing process is to flatten the winding core under a certain pressure. One is to prepare for the production of the subsequent process, and the other is to increase the tightness of the core and improve the electrical performance of the capacitor. The cold pressing is too tight, and the end face of the core after flatten...
Claims
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IPC IPC(8): H01G4/33
Inventor 陈衡
Owner 陈衡