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Synchronous reciprocating mechanism for ball screw and guide rail experiment and testing device

A technology of reciprocating mechanism and ball screw, which is applied in the field of synchronous reciprocating mechanism and testing device, which can solve the problems of high cost, insufficient accuracy of the control group, and the inability of the motor movement to be exactly the same.

Active Publication Date: 2021-05-18
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Each group of equipment needs to install a motor, which costs a lot
[0005] 2. The motor motion setting needs programming to change the direction of rotation repeatedly
[0006] 3. The motor movement cannot be exactly the same, and the accuracy of the control group is insufficient

Method used

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  • Synchronous reciprocating mechanism for ball screw and guide rail experiment and testing device
  • Synchronous reciprocating mechanism for ball screw and guide rail experiment and testing device
  • Synchronous reciprocating mechanism for ball screw and guide rail experiment and testing device

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Embodiment approach

[0027] As an implementation, the lower guide mechanism includes a support 5 and a second guide rod 10; the two ends of the second guide rod 10 are respectively supported on the support 5, and the support 5 is fixed on the working position by screws. On the platform 4; the connecting member 6 can slide horizontally along the second guide rod 10 on the corresponding side; the second guide rod 10 is parallel to the center line connecting the driving wheel and the driven wheel of the synchronous belt transmission mechanism 11 .

[0028] Based on the above-mentioned synchronous reciprocating mechanism, the present invention also proposes a test device for ball screw and guide rail experiments. , connector 6, guide 12, test lead screw 19, test guide rail 17;

[0029] The drive motor 1 is arranged at the lower end of the workbench 4; the drive motor 1 is fastened and connected to the bottom of the workbench 4 through the motor connector 2, and the synchronous belt transmission mechan...

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Abstract

The invention discloses a synchronous reciprocating mechanism for a ball screw and guide rail experiment and a testing device. The reciprocating mechanism comprises a driving motor, a workbench, a synchronous belt transmission mechanism, an upper-layer guide mechanism, a lower-layer guide mechanism, a connecting piece and a guide piece. The synchronous belt transmission mechanism is arranged at the upper end of the workbench. A driving motor rotating shaft is connected with the synchronous belt transmission mechanism; a guide piece is fixed on the outer side of the synchronous belt transmission mechanism; the guide piece is connected with the upper-layer guide mechanism; and the two ends of the upper-layer guide mechanism are each connected with a connecting piece, and each connecting piece is connected with a lower-layer guide mechanism. The upper-layer guide mechanism converts the one-way rotary motion of the driving motor into the reciprocating motion of the connecting piece; the lower-layer guide mechanism is used for bearing unbalance loading torque so as to ensure the movement direction of the connecting piece; the upper end and the lower end of the connecting piece are respectively connected with the test lead screw and the test guide rail; and two sets of test equipment are driven by a single motor, so that an accurate control group can be realized.

Description

technical field [0001] The invention belongs to the field of reliability testing of ball screw rods and guide rails, in particular to a synchronous reciprocating mechanism and a testing device for ball screw rod and guide rail experiments. Background technique [0002] Ball screws and guide rails are important linear transmission components, widely used in high-precision manufacturing industries such as CNC, aviation, and marine. Existing tests for the reliability change of the rolling screw and guide rail under different strokes generally use the form of direct drive of the motor, and the reciprocating motion of the test equipment is controlled by the reciprocating rotation of the motor. [0003] The above method has the following disadvantages: [0004] 1. Each group of equipment needs to install a motor, which costs a lot. [0005] 2. Motor motion setting requires programming to change the direction of rotation repeatedly. [0006] 3. The motor movement cannot be exact...

Claims

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Application Information

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IPC IPC(8): G01M13/025
CPCG01M13/025Y02E30/30
Inventor 梁医林道杰裘顺顺刘佳运
Owner NANJING UNIV OF SCI & TECH
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