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High-rigidity lead screw transmission and lathe bed system

A technology of screw drive and high rigidity, which is applied in the direction of large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problems of easy deformation and poor rigidity of the screw rod, reduce the vibration of the screw rod, improve the rigidity and Stability and the effect of improving the bearing life

Pending Publication Date: 2021-12-21
安徽鹏睿智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the disadvantages of poor rigidity of the bed itself of the existing gantry machining center and the easy deformation and thermal stretching of the screw rod, and provide a high-rigidity screw drive and bed system, which not only effectively improves the It can also support the screw rod, slow down the expansion and thermal stretching of the screw rod, and improve the positioning accuracy of the screw rod

Method used

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  • High-rigidity lead screw transmission and lathe bed system
  • High-rigidity lead screw transmission and lathe bed system
  • High-rigidity lead screw transmission and lathe bed system

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Effect test

Embodiment 1

[0046] to combine Figure 1-Figure 11 , a high-rigidity screw drive and bed system in this embodiment, including a bed 300 and a screw 100 arranged on the bed 300, the two sides of the bed 300 in the length direction are respectively provided with separate motor installations Seat 330 and bearing mounting seat 340, wherein motor mounting seat 330 and bearing mounting seat 340 are used to install motor seat 120 and tail end seat 130 respectively, split structure is convenient for processing, and motor mounting seat 330 and bearing mounting seat 340 are connected There is a connecting shin plate 350. Compared with the conventional gantry milling machine, the motor seat 120 and the tail end seat 130 in this embodiment are correspondingly widened, and are connected together by the connecting shin plate 350, which can effectively improve the rigidity of the screw drive. and stability.

[0047] Such as Figure 4 As shown, in this embodiment, the two ends of the screw mandrel 100 a...

Embodiment 2

[0055] A high-rigidity screw drive and bed system in this embodiment has a basic structure as in Embodiment 1. Furthermore, in this embodiment, an anti-wear pad is provided on the top arc surface of the auxiliary support block 220 to prevent wear. The gasket is an arc gasket matched with the arc surface, and the anti-wear gasket can prevent the top of the auxiliary support block 220 from wearing out. When the anti-wear gasket wears out, it can be directly replaced with a new anti-wear gasket to ensure It can fully contact and support the screw rod 100 . The position corresponding to the arc surface and the anti-wear gasket is provided with an oil outlet, and the oil outlet is connected with the lubricating oil pipeline, and the lubricating oil is sprayed into the contact surface of the screw mandrel 100 and the anti-wear gasket, and the wire The movement of the rod 100 plays the role of lubricating and cooling, which effectively improves the service life of the screw rod 100 ....

Embodiment 3

[0060] A high-rigidity screw drive and bed system in this embodiment has a basic structure as in Embodiment 2. Furthermore, in this embodiment, a plurality of sheet metal joint surfaces are provided on the side wall of the base near the guide rail 310 in the collecting tank 360 370, the sheet metal joint surface 370 is used to connect with the metal protective shell, can wrap the guide rail 310 inside, change the sheet metal joint surface 370 at the bottom of the guide rail 310 to the inside, prevent water seepage and leakage, improve the water resistance of the machine tool, and improve the use The worker's working ground is cleaned.

[0061] In this embodiment, the bottom of the bed 300 is provided with a plurality of anchor bolts 301, and the plurality of anchor bolts 301 is more convenient for horizontal adjustment and more stable for support.

[0062] In this embodiment, the side of the bottom of the column support 320 close to the guide rail 310 is provided with an incli...

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Abstract

The invention discloses a high-rigidity lead screw transmission and lathe bed system, and belongs to the technical field of planer type milling machines. A motor mounting seat and a bearing mounting seat which are split are arranged on the two sides of a lathe bed in the length direction, and a connecting shin plate is connected between the motor mounting seat and the bearing mounting seat; a motor seat and a tail end seat are arranged at the two ends of a lead screw, a lead screw supporting module is located between the motor seat and the tail end seat, supporting bearings matched with the lead screw are arranged in the motor seat and the tail end seat, a rear locking nut is arranged on the outer side of the supporting bearing located on one side of the motor seat, and a front locking nut and a rear locking nut are arranged on the two sides of the supporting bearing located on one side of the tail end seat. According to the high-rigidity lead screw transmission and lathe bed system, the rigidity strength of the lathe bed is effectively improved, the lead screw can be supported, the expansion thermal stretching degree of the lead screw is reduced, and the positioning precision of the lead screw is improved.

Description

technical field [0001] The invention relates to the technical field of gantry milling machines, in particular to a high-rigidity screw drive and bed system. Background technique [0002] In the existing CNC machining technology, the gantry milling machine is composed of a column, a beam, a spindle head, a workbench, a saddle, a ram and a bed. As an indispensable part of the milling machine, the main function of the bed is to support the saddle and the table for linear motion. At present, the structural strength of the milling machine bed on the market is not high, and the bearing capacity is poor, which will affect the quality and accuracy of the workpiece. [0003] The screw rod is an essential transmission part of the milling machine equipment, which can convert the rotational power of the motor into linear power and output it outward, so that the output device can achieve linear motion. However, the screw rod is prone to thermal expansion and stretching during movement,...

Claims

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Application Information

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IPC IPC(8): B23Q1/01B23Q5/36
CPCB23Q1/015B23Q5/36
Inventor 顾立柱
Owner 安徽鹏睿智能科技有限公司
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