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Group hole drilling system

A group of holes and drilling equipment technology, applied in boring/drilling, drilling/drilling equipment, drilling repair, etc., can solve the problem of difficult control of hole-to-hole position tolerance, many holes in group anchor rings, high cost, etc. problems, to achieve the effect of reducing the number of mobile positioning, improving production efficiency, and reducing accuracy errors

Active Publication Date: 2011-04-13
NINGBO ANCHOR FASTENERS INDAL
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AI Technical Summary

Problems solved by technology

However, domestic anchorage products for prestressed tendons, which are required for the construction of high-speed railways and expressways, must break through the dilemma of low efficiency and high cost in order to meet the needs of going global. The technical problem that the position tolerance is difficult to control

Method used

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Embodiment Construction

[0028] Refer to attached picture. The present invention includes a drilling device 100 and a cutting tool 200. The drilling device includes a main shaft 110. The drilling device is also provided with a plurality of terminal output shafts 120 in a vertical direction. The terminal output shafts are arranged in a row. Drive their linkage through the transmission device; the group hole drilling system is provided with a plurality of cutters 200, and the plurality of cutters 200 are respectively connected to different terminal output shafts; the cutter is provided with twist drill section 210, expanding Hole knife-shaped section 220, reaming knife-shaped section 230, the twist drill-shaped section 210 is at the front, the reaming knife-shaped section 220 is behind the twist drill-shaped section 210, and the reaming knife-shaped section 230 is in the After the reaming knife section 220. The cutting tool 200 provided by the present invention is a multifunctional compound cutting too...

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Abstract

The invention provides a group hole drilling system. The system comprises drilling equipment and cutters; the drilling equipment is provided with a main shaft and a plurality of terminal output shafts in the vertical direction, and the terminal output shafts are arranged in one row and driven to link by the main shaft through a transmission device; the group hole drilling system is provided with a plurality of cutters, and the plurality of cutters are connected on different terminal output shafts respectively; and the cutter is provided with a twist drill cutter section, a hole expanding cutter section and a reaming cutter section. The system can process a row of straight-bottom and conical-upside holes processed by multiple processes and multiple cutters at one time, and has significance for processing products of large batch, high precision requirement and many hole positions; and the system can greatly reduce the moving and positioning frequency of workpieces and reduce the precision errors of products due to multiple clamping and multiple moving.

Description

technical field [0001] The present invention relates to drilling systems. Background technique [0002] With the deepening and development of China's economic reform, especially China's high-speed railway known as Airbus, its technology is already in the leading position in the world and will become a fulcrum to leverage the world economy. However, domestic anchorage products for prestressed tendons, which are required for the construction of high-speed railways and expressways, must break through the dilemma of low efficiency and high cost in order to meet the needs of going global. The technical problem that the position tolerance is difficult to control. [0003] The original production process of the anchor ring of the anchorage product group for prestressed tendon is: use the bar to cut into a round block with a sawing machine, process the blank into shape with a general car, and drill straight holes with a vertical drill. For example, 22 anchor rings with 22 holes are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B39/00B23B51/08B23B47/00B23B47/02
Inventor 张金清谢昌琦
Owner NINGBO ANCHOR FASTENERS INDAL
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