Length-adjustable strip folding machine capable of protecting materials and used for chip resistor production

Abstract

The invention discloses a length-adjustable strip folding machine capable of protecting materials and used for chip resistor production. The length-adjustable strip folding machine comprises a workbench, wherein a material placing plate is fixedly arranged on one side of the bottom end of the inner wall of the workbench, a movable hole is formed in one side of the front surface of the workbench, a conveying plate is fixedly arranged on one side of the inner wall of the movable hole, and a first electric hydraulic cylinder is fixedly arranged in the middle of the bottom end of the inner wall of the workbench. According to the invention, a pressing and folding block connected with a second electric hydraulic cylinder is matched with a top folding cutter disc, the pressing and folding range can be adjusted through matching of the pressing and folding block and an adjusting block, a stepping motor connected with a first electric hydraulic cylinder drives a slitting cutter blade, and a curved bar on a conveying plate drives two material clamping plates through a first driving motor and a second driving motor, so that it can be guaranteed that the strip folding machine can accurately break off chip resistor strips along the strip folding lines of the chip resistor strips, slitting is conducted through the slitting cutter blade when the problem that the chip resistor strips are difficult to break off occurs, the better breaking effect is achieved, and the chip resistor strips are continuously conveyed so as to ensure the breaking efficiency and facilitate the operation of personnel.

Description

technical field [0001] The invention relates to the technical field of chip resistor production, in particular to a length-adjustable strip folding machine for chip resistor production that can protect materials. Background technique [0002] As a kind of metal glass glaze resistor, chip resistor is also called chip fixed resistor. It is printed on the substrate by screen printing method. It has the characteristics of moisture resistance and small temperature coefficient, and can be greatly improved when used. Save circuit space cost. When producing chip resistors, it is necessary to use a folding machine to break along the folding line of the chip resistor bar, so as to divide the chip resistor bar into individual chip resistors. [0003] In view of this, Chinese Patent No. CN202120127896.5 proposes a folding strip device for the production of chip resistors that is convenient for fixed-distance division, which is convenient for fixed-distance division, and it is convenien...

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Problems solved by technology

[0004] (1) The breaking effect of the folding machine for chip resistor production in the above-mentioned patent is not good. The problem of broken wires affects the breaking efficiency of chip resistors, resulting in inconvenience for personnel to operate

[0005] (2) The strip folding machine for the production of chip resistors in the above patent does not have the function of material conveying. Since the chip resistors need to be broken repeatedly without interruption, the personnel need to repeat the operation continuously. The lack of material conveying function leads to untimely supply of materials and affects folding. The working efficiency of the strip machine

[0006] (3) The strip folding machine for chip resistor production in the above patent does not have an adjustment function, and personnel cannot adjust the strip folding machine according to the specific size of the chip resistor, resulting in a reduction in the application range of the strip folding machine, which is not conducive to the application of personnel

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