Special clamp used for circular hollow pipe drilling

Abstract

The invention discloses a special clamp used for circular hollow pipe drilling. The special clamp comprises a fixing bottom plate and a top plate. The upper portion of the fixing bottom plate is connected with a bearing supporting base through first bolts. The upper portion of the bearing supporting base is connected with a bearing supporting upper plate through second bolts. A bearing is arrangedin the middle of the bearing supporting base. The upper portion of the bearing supporting upper plate is connected with a top plate through third bolts. A pipe fixing pipe socket is arranged on the inner race of the bearing in a sleeving manner. The outer side of one end of the pipe fixing pipe socket is sleeved with a to-be-drilled circular hollow pipe, and the end is locked by means of a nut. The other end of the pipe fixing pipe socket is connected with a rotating plate through linkage bolts. A plurality of positioning holes are formed in the outer side of the rotating plate. The interiorof the positioning hole in the top is fixed to the top plate through a positioning bolt. The special clamp is simple in structure, small in investment, small in size, high in measuring degree and lowin using and maintenance charge, the purpose of using can be fast achieved, the product quality accuracy is improved, and a good using effect is achieved.

Description

technical field [0001] The invention relates to a fixture, in particular to a special fixture for drilling holes in circular hollow pipes, and belongs to the technical field of fixtures for processing mechanical parts. Background technique [0002] For the processing of holes in products in the manufacturing industry, the workpiece is usually fixed on a special fixture, and the pneumatic drill is used manually, and the processing is completed through drilling, reaming and other processes. Since most of the drilling machines currently used are manually operated, for processing a workpiece, the first choice is to clamp the workpiece and then drill it. Because it is impossible to drill the hole while drilling After the power is turned off, drill the hole again, which will easily cause hidden dangers to the opponent when clamping the workpiece or replacing the workpiece. In addition, for those small workpieces, manual drilling is used. If the force used is too large, the workpie...

AI Technical Summary

Problems solved by technology

Since most of the drilling machines currently used are manually operated, for processing a workpiece, the first choice is to clamp the workpiece and then drill it. Because it is impossible to drill the hole while drilling After the power is turned off, drill the hole again, which will easily cause hidden dangers to the opponent when clamping the workpiece or replacing the workpiece. In addition, for those small workpieces, manual drilling is used. If the force used is too large, the workpiece will be damaged. Fracture, the use of too little force makes it impossible to drill holes, resulting in low precision, resulting in a lower pass rate and an increase in cost

In addition, the use of manual drilling, on the one hand, the quality of the hole is affected by factors such as the technical level, emotion, and positioning accuracy of the hole processing, and the quality cannot be guaranteed; on the other hand, the use of manual drilling, the efficiency is low

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