38results about How to "Improve the accuracy of drilling" patented technology

A medical intelligent auxiliary bone drill, comprising: a fixed seat part, an electric rotation part, an expansion mechanism and a telescopic mechanism, the electric rotation part is slidably installed on the fixed seat part; the expansion mechanism is installed in the telescopic mechanism; the lower fixed ring and the upper fixed ring The inner side is provided with a rubber ring; the present invention connects the lower fixing ring and the upper fixing ring of the fixed seat part, and clamps the arm or leg that needs to be punched through the lower fixing ring and the upper fixing ring; prevents the drilling from being crooked, and then improves Improve the quality of work; By setting the positioning ruler and the clamping block, manually pulling the clamping block and then adjusting the position of the positioning ruler to locate the drilling depth of the electric rotation part, so as to prevent the patient from being injured due to excessive drilling due to uneven force.

The invention discloses an automatic transmitting and positioning aluminum profile drilling machine and method. The drilling machine comprises a base, a lifting platform, a transporting mechanism, a clamping mechanism and a drilling mechanism, wherein the lifting platform is arranged on the top of the base, the transmitting mechanism and the clamping mechanism are arranged on the platform in parallel, the drilling mechanism is arranged on one side of the base, and the transmitting mechanism, the clamping mechanism and the drilling mechanism are sequentially connected in the transmitting direction of an aluminum profile. The drilling method includes the steps of firstly, adjusting the heights of all the mechanisms through the lifting platform; secondly, starting the transmitting mechanism, and sending the end, to undergo hole drilling, of the aluminum profile onto the drilling mechanism; thirdly, clamping the aluminum profile through the clamping mechanism; fourthly, conducting drilling on the end portion of the aluminum profile through the drilling mechanism. The aluminum profile drilling machine is simple in structure, convenient to use and capable of replacing traditional manual operation, enables automatic drilling to the achieved, and is high in work efficiency and safety coefficient. The drilling machine is high in integratability and high in compatibility, and can be flexibly embedded into other automated production lines or integrated into other function devices.

The invention discloses an instrument panel transverse beam hole drilling device. The instrument panel transverse beam hole drilling device comprises a base, a positioning mechanism and a hole drilling device. The base comprises supporting columns and a table top. The positioning mechanism comprises supporting plates and pressing plates, wherein the supporting plates and the pressing plates are arranged at the two ends of the base. V-shaped clamping grooves are formed in the upper portions of the supporting plates, and inverted-V-shaped clamping grooves are correspondingly formed in the lower portions of the pressing plates. The hole drilling device comprises a plurality of electric hand drills, the electric hand drills are installed on the base through the supports, each support is provided with an electric drill installation plate, and the electric hand drills are installed on the electric drill installation plates in a sliding-fit mode. The instrument panel transverse beam hole drilling device is simple in structure and convenient to use, the machining efficiency can be rapidly improved, and the product quality can be improved.

The invention discloses a mobile hole saw fixing bracket, which includes a hole saw fixing bracket body; the hole saw fixing bracket body is provided with a fixed structure and a moving structure, the fixed structure is a fixed bracket, and the fixed bracket includes a vertical To the fixed frame and the horizontal fixed frame, the middle part of the horizontal fixed frame is provided with pipe clamps, the mobile structure is a supporting platform, the upper part of the supporting platform is provided with a fixing device, and the lower part of the supporting platform is provided with a sliding structure, and the sliding structure is a sliding wheel , the sliding wheels are set in the channel steel slideway, and the two sides of the support platform are equipped with height adjustment devices. This invention innovates on the shortcomings of the traditional hole opening method, greatly reduces the labor loss through the movable hole opener fixing bracket, adopts mechanical fixing of the pipeline, and can be operated by a single person, which speeds up the hole opening speed and the accuracy of the hole opening With the improvement of quality and the reduction of safety risk factor for workers, the procedure of mechanical opening becomes simple and efficient.

The invention discloses a nut drilling machine. The nut drilling machine comprises a machine frame, a working table board is arranged on the machine frame, a rotating disc is installed on the workingtable board, a plurality of nut fixing mechanisms are symmetrically distributed by taking the circle center of the rotating disc as a symmetric point, wherein each nut fixing mechanism comprises a limiting unit and a fixing unit, the limiting units are arranged on the rotating disc, the fixing units are installed on the rotating disc, a nut drilling mechanism comprises a stand column, a mounting plate and a drilling unit, a vertical sliding rail is arranged on the stand column, a positioning sliding block is arranged on the vertical sliding rail in a sliding mode, the mounting plate is fixedlyconnected to the positioning sliding block, the mounting plate is located right above the rotating disc, the drilling mechanism is installed on the fixing plate, a protecting cover is installed on the mounting plate, a programmable controller is installed on the machine frame, and the programmable controller sends working instructions to the rotating disc, the fixing units and the drilling unit.According to the nut drilling machine, the automation degree is high, the drilling precision is high, the labor intensity of workers is reduced, and the workers also can be protected against being scratched by chippings.

The invention discloses a forming method of a low-strength thick plate fine-blanked part with a counter bore and a slender blind hole. The forming method comprises the steps of S1, leapfrog fine blanking, specifically, three procedures are included, namely the first procedure of punching a positioning hole and a pre-extrusion hole, the second procedure of positioning the positioning hole, extruding the counter bore and punching a threaded bottom hole, and the third procedure of positioning the positioning hole, punching the counter bore, punching a large hole and blanking the outline; S2, thickness grinding, specifically, the thick plate fine-blanked part is ground by a grinding machine to reach the size required by a drawing; S3, drilling of the slender blind hole, specifically, the thickplate fine-blanked part is fixed with a drilling clamp, and the slender blind hole is drilled through a drilling machine; and S4, burr removing, specifically, the thick plate fine-blanked part is fixed with a burr removing clamp after being drilled, and burrs are removed through a vibration finishing device. By adoption of the leapfrog fine blanking formation mode, the low-strength thick plate fine-blanked part with multiple procedures such as blanking and counter bore extrusion can be punched on one die, the positioning precision in the machining process is improved and part shaking in the drilling feeding process is avoided through arrangement of the suitable drilling clamp, the efficiency is high, the cost is reduced, and the dimension and position degree precision requirements can bemet.