31results about How to "Avoid Compromising Position Accuracy" patented technology

The invention discloses a circuit board assembly convenient to maintain, which comprises a circuit board device (3) and a base fixing device, wherein the circuit board device (3) comprises a rectangular body part (30) and four fixing pins (31) located at corners of the rectangle respectively; the base fixing device comprises a base (1) and four mounting frames (4) fixed on the base (1) and corresponding to the four fixing pins (31) respectively; each mounting frame (4) is provided with a slot (40) for enabling each fixing pin (31) to be inserted; and an inner side clamping block (8) is arranged at the inner side part, close to the inner side of the body part (30) of the circuit board device (3), of the slot (40), and the inner side clamping block (8) is pressed by a top pressing spring (83) in an unsymmetrical mode and can extend to the slot (40).

The invention discloses a circuit board feeding device. The circuit board feeding device comprises a machine frame, a jacking mechanism arranged on the machine frame, a conveying device and a limitingframe used for limiting the circuit board stacked in the stacking mode, the conveying device is provided with a conveying part capable of carrying out rotary motion, the limiting frame is fixed on the conveying part, the two ends of the conveying part are provided with a discharging station and a feeding station respectively, the conveying part can convey the limiting frame fully loaded at the discharging station to the feeding station, and the limiting frame at the loading station is conveyed to the discharging station; the two sides of the limiting frame in the width direction of the conveying part are provided with notches, the output end of the jacking mechanism is provided with a bearing part, the bearing part extends into the limiting frame through the notches, so that the edge of the circuit board is borne on the bearing part and abuts against all the circuit boards to rise. According to the circuit board feeding device, the circuit board can be accurately positioned, the circuit board can be accurately conveyed to the feeding station, the feeding accuracy of the circuit board can be improved, and the circuit board feeding device has the advantages of being simple in structure, small in occupied space and the like.

The invention relates to the technical field of cutting, and discloses a cutting device which comprises a machine frame, a cutting table, a traction roller, a laser, a stacking table and a first driving mechanism. The cutting table is arranged on the machine frame and can be located on a cutting position; the traction roller is arranged on the machine frame and guides materials to pass through the cutting position, and the cutting table supports the materials; when the materials are located at the cutting position, the laser cuts the materials; the stacking table is arranged below the cutting position; and the first driving mechanism drives the cutting table, so that the cutting table can leave and return to the cutting position. According to the embodiment of the cutting device, cut sheet materials can be can sorted out without damaging traction tension of subsequent materials, so that the influence on the position precision of the subsequent materials is avoided, the stable quality of the cut sheet materials is ensured, and the production efficiency is improved.

A conveniently detached shock-absorbing type circuit board assembly is disclosed. The circuit board assembly comprises a circuit board apparatus (3) and a base fixing apparatus; the circuit board apparatus (3) comprises a rectangular body part (30) and four fixed pins (31) positioned in the corners of the rectangular body part respectively; the base fixing apparatus comprises a base (1) and four mounting frames (4), corresponding to the four fixed pins (31) respectively, fixed on the base (1); slots (40) for allowing the fixed pins (31) to be inserted are formed in the mounting frames (4); and each mounting frame (4) is provided with an inner side clamping block (8) which is biased by a top pressure spring (83) and capable of extending into the slots (40), wherein the inner side clamping block (8) is arranged in the inner side part, close to the inner side of the body part (30) of the circuit board apparatus (3), of the slots (40).

Provided is a circuit board assembly powered and locked by solar energy and easy to maintain. The circuit board assembly comprises a circuit board device (3) and a pedestal fixing device. The circuit board device (3) comprises a rectangular body portion (30) and four fixing pins (31) on the corners of the rectangular body portion. The pedestal fixing device comprises a pedestal (1) and four installing racks (4) fixed to the pedestal (1) and corresponding to the four fixing pins (31) respectively. Each installing rack (4) is equipped with a slot (40) into which the corresponding fixing pin (31) can be inserted. The inner side portion, close to the inner side of the body portion (30) of the circuit board device (3), of the slot (4) of each installing rack (4) is provided with an inner-side clamping block (8) which is biased by a pushing spring (83) and which can be inserted into the slot (40).

Provided is a circuit board assembly control system which comprises a DSP controller, a motor driving circuit, and a circuit board assembly. The circuit board assembly comprises a circuit board device (3) and a pedestal fixing device. The circuit board device (3) comprises a rectangular body portion (30) and four fixing pins (31) on the corners of the rectangular body portion. The pedestal fixing device comprises a pedestal (1) and four installing racks (4) fixed to the pedestal (1) and corresponding to the four fixing pins (31) respectively. Each installing rack (4) is equipped with a slot (40) into which the corresponding fixing pin (31) can be inserted. The inner side portion, close to the inner side of the body portion (30) of the circuit board device (3), of the slot (4) of each installing rack (4) is provided with an inner-side clamping block (8) which is biased by a pushing spring (83) and which can be inserted into the slot (40).

A circuit board assembly with the adjustable clamping speed and upper and lower limiting sensors comprises a circuit board device (3) and a base fixing device. The circuit board device (3) comprises a rectangular body portion (30) and four fixing feet (31) located at the corners of the rectangle. The base fixing device comprises a base (1) and four installation frames (4) which are fixed to the base (1) and correspond to the four fixing feet (31) respectively. Each installation frame (4) is provided with a slot (40) where the corresponding fixing foot (31) is allowed to be inserted. An inner side clamping block (8) which is pressed unsymmetrically by a top pressure spring (83) and can stretch into each slot (40) is arranged at the inner-side portion, on the inner side, close to the body portion (30) of the circuit board device (3), of the slot (40) in the corresponding installation frame (4).