37results about How to "High position adjustment accuracy" patented technology

The invention discloses a self-adaptive alignment test fixture for a multi-shape PCBA, and relates to the technical field of PCBA test fixtures, the self-adaptive alignment test fixture comprises a base, a rotary table structure and a positioning adjustment assembly, the rotary table structure is mounted in the base, the positioning adjustment assembly is mounted in the rotary table structure, the rotary table structure comprises a frameless motor, a rotary table and a heat dissipation plate, and the heat dissipation plate is mounted in the rotary table structure. The frameless motor is installed on the inner side wall of the circular groove of the base, the rotating table is installed on the inner side of the frameless motor, and the heat dissipation plate is installed on the top of the frameless motor. According to the self-adaptive alignment test fixture for the multi-shape PCBA, under the condition that the clamping test stability and accuracy of the square PCBA are kept, the mechanism capable of adjusting the coordinates of the characteristic parts of the circular PCBA is arranged, the coordinates of the specific parts of the PCBA to be tested are adjusted to be consistent with preset values, accurate alignment of the circular PCBA can be carried out in a self-adaptive mode, and the accuracy of the test is improved. Therefore, self-adaptive testing of PCBAs in various shapes and sizes is realized, the automation degree and the testing efficiency of the device are improved, and the practicability and the applicability of the device are improved.

The utility model discloses an industrial CT imaging device. The industrial CT imaging device comprises a base, a first linear module, a second linear module, a third linear module and a first ray source. The first linear module is mounted on the base, the first linear module is provided with a first sliding table and a second sliding table which are located on the same sliding rail, the first sliding table is connected with a first driving part, and the second sliding table is connected with a second driving part; the second linear module is installed on the first sliding table and is in orthogonal connection with the first linear module on the horizontal projection plane, a rotary table is installed on the second linear module, and a clamping assembly is arranged on the rotary table; the third linear module is installed on the second sliding table and is parallel to the second linear module, a lifting module is installed on the third linear module, a support is installed on the lifting module, the support is provided with a plurality of assembling areas, and a ray detector is installed on one of the assembling areas; the first ray source is connected with the base, and the first ray source and the ray detector are distributed on the two opposite sides of the clamping assembly.

The utility model belongs to the field of circuit board processing, and discloses a circuit carrier plate film pressing device, which comprises a fixed frame, and a hot roller mechanism is mounted on the inner side of the fixed frame; the two supporting plates are symmetrically arranged on the two sides of the bottom of the fixing frame, a supporting roller is rotationally installed between the two supporting plates, and the supporting roller corresponds to the hot roller mechanism; the feeding mechanism comprises a feeding unit, and the feeding unit comprises a driving assembly and a plurality of feeding assemblies arranged along the supporting plate at intervals; and the positioning mechanism comprises two positioning units which are symmetrically distributed relative to the fixing frame, and each positioning unit comprises a fixed-distance push rod, a push plate and a positioning assembly. And through cooperative arrangement of the feeding unit and the positioning unit, the circuit board can be positioned and guided during conveying, the circuit board is not interfered to be rolled, and therefore the application range of the device is wider.