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Synchronous Accuracy Adjustment Method of Crankshaft Double-point Press

A technology of synchronous accuracy and adjustment method, which is applied to the driving device of forging press, forging/pressing/hammering machinery, forging/pressing/hammer device, etc. Affect the synchronization accuracy and other issues

Active Publication Date: 2021-02-19
NINGBO BOXIN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in each set of connecting rod mechanism, the crankshaft is driven by the gear to rotate, and the matching accuracy between the crankshaft and the gear will also affect the synchronization accuracy
In the prior art, the connection between the crankshaft and the gear is generally connected by a key, and the key connection often has low matching accuracy, which affects the synchronization accuracy of each connecting rod mechanism

Method used

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  • Synchronous Accuracy Adjustment Method of Crankshaft Double-point Press
  • Synchronous Accuracy Adjustment Method of Crankshaft Double-point Press
  • Synchronous Accuracy Adjustment Method of Crankshaft Double-point Press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] common reference figure 1 and figure 2 , a crankshaft type two-point press transmission positioning structure, the positioning connection mode between the first crankshaft 81 and the first driving gear 82 and the positioning connection mode between the second crankshaft 91 and the second driving gear 92, this embodiment Take the first crankshaft 81 and the first driving gear 82 as examples for structural illustration.

[0075] The transmission positioning structure includes a connecting end 811 located at the end of the first crankshaft 81. The first drive gear 82 is provided with a mounting hole 821 for the connecting end 811 to be clamped. The contact surface between the connecting end 811 and the mounting hole 821 is multi-point welded. Implement pre-connect positioning. Between the connecting end 811 and the inner wall of the mounting hole 821 there are four positioning holes 823 uniformly distributed in the circumferential direction, and the positioning pins 822...

Embodiment 2

[0082] A method for adjusting the synchronous precision of a crankshaft type double-point press, which is aimed at adjusting the synchronous precision of the transmission mechanism in the crankshaft type double-point press according to Embodiment 1. Specifically include the following steps:

[0083] Step 1, adjust the levelness of the upper end surface of the beam 2 so that the upper end surface of the beam 2 is in a horizontal state. Adjustment operation refer to Figure 5 and Figure 6 , set up a ruler 30 on the upper end surface of the beam 2, and move the ruler 30 so that the ruler 30 is above the first crank 813 and the second crank 912. Furthermore, the width of the square ruler 30 is equal to the length of the first connecting rod crank 8131 or the second connecting rod crank 9121 , so that when the straight ruler 30 is projected forward onto the first bell crank 813 and the second bell bell 912 , Completely cover the first connecting rod curved neck 8131 and the sec...

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Abstract

The invention discloses a method for adjusting the synchronous accuracy of a crankshaft-type double-point press. By correcting the contours of the first crankshaft and the second crankshaft, and using a transmission positioning structure to connect with the drive gear, the distance between the two transmission components is greatly improved. synchronicity.

Description

technical field [0001] The invention relates to the technical field of forging equipment, in particular to a method for adjusting synchronous precision of a crankshaft type double-point press. Background technique [0002] With the rapid development of industry, the forging equipment manufacturing industry has also developed. As a typical representative of forging equipment, mechanical presses are widely used in industrial production processes. Mechanical presses are classified according to the transmission mode, mainly including the crankshaft type and the eccentric gear type. The working principles of the two are similar, and both are based on the reciprocating motion of the driving connecting rod. The connecting rod drives the guide post to reciprocate in the guide sleeve during the reciprocating motion. Movement, and then realize the continuous closing and splitting action. [0003] Each linkage mechanism in a mechanical press is called a "point", a double-point press ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J9/18B21J13/00
CPCB21J9/18B21J13/00
Inventor 周德宝林海龙
Owner NINGBO BOXIN MACHINERY
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