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Spindle box and spindle box transmission system

A transmission system and spindle box technology, applied in the field of machine tools, can solve the problems of simple structure and high stiffness of the spindle box, and achieve the effects of improving static stiffness and dynamic stiffness, simplifying processing technology and reducing manufacturing costs.

Active Publication Date: 2015-07-22
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: the headstock in the prior art cannot meet the requirements of high rigidity and simple structure at the same time.

Method used

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  • Spindle box and spindle box transmission system
  • Spindle box and spindle box transmission system
  • Spindle box and spindle box transmission system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The headstock transmission system of the present embodiment, as image 3 As shown, it includes a headstock, a transmission system 200 installed in a housing 100 of the headstock, and a main shaft 300 .

[0038] refer to Figure 6-7 As shown, wherein, the headstock includes: a box body 100 having a main shaft accommodating chamber 120 and a transmission system accommodating chamber 110, and the main shaft accommodating chamber 120 communicates with the transmission system accommodating chamber 110; forming.

[0039] refer to image 3 and combine Figure 4 As shown, the headstock also includes a connecting plate 150 with a through hole in the middle, and the connecting plate 150 includes a first connecting portion 151 and a second connecting portion 152 located inside the first connecting portion 151; Each top surface has at least one pair of lugs 114 opposite to each other; the connecting plate 150 is connected to the lugs 114 through the first connecting portion 151...

Embodiment 2

[0055] The difference between this embodiment and Embodiment 1 is that, if Figure 8-9 As shown, the reinforcing rib 140 has two connection positions with the side wall 112 of the transmission system accommodation chamber 120 ; the reinforcement rib 140 has two connection positions with the wall of the spindle accommodation chamber 120 .

[0056] Continue to refer to Figure 8-9 , the reinforcing rib 140 includes a first plate 141 and a second plate 142 provided with forks, and the first plate 141 and the second plate 142 are perpendicular to the bottom 111 .

[0057] In this embodiment, in this embodiment, the first plate 141 and the second plate 142 of the reinforcing rib 140 are roughly arranged in an X-shaped intersection: one end of the first plate 141 and one end of the second plate 142 are connected to the main shaft accommodation chamber 120 respectively. wall connection; the other end of the first plate 141 and the other end of the second plate 142 are respectively c...

Embodiment 3

[0062] The difference between this embodiment and Embodiment 2 is that, as Figure 10-11 As shown, the reinforcing rib 140 includes a first plate 141 , a second plate 142 , and a block-shaped connecting portion 143 connected to one end of the first plate 141 and one end of the second plate 142 . The block-shaped connecting portion 143 is connected to the wall portion of the spindle housing cavity 120 .

[0063] In this embodiment, the reinforcing rib 140 is roughly Y-shaped: one end of the first plate 141 and one end of the second plate 142 are respectively connected to the block-shaped connecting portion 143 , and the block-shaped connecting portion 143 is connected to the wall of the spindle accommodation cavity 120 ; The other end of the first plate 141 and the other end of the second plate 142 are respectively connected to the two side walls 112 of the transmission system accommodating cavity 110; in other embodiments, the other end of the first plate 141 and the other end...

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PUM

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Abstract

The invention discloses a spindle box and a spindle box transmission system. The spindle box comprises a box body with a spindle containing cavity and a transmission system containing cavity, wherein the spindle containing cavity is communicated with the transmission system containing cavity; and reinforcing ribs are arranged at the bottom of the transmission system containing cavity, and the reinforcing ribs are connected with the wall portion of the spindle containing cavity and the side walls of the transmission system containing cavity. According to the spindle box, the reinforcing ribs are arranged at the bottom of the spindle box, the whole static stiffness and the whole dynamic stiffness of the box body are improved, meanwhile, the machining technology is simplified, and the manufacturing cost is reduced. In addition, the reinforcing ribs are symmetrically designed, layout of the spindle box is simple and clear, and the appearance of the spindle box is improved; through holes are formed in the bottom of the spindle box, ventilation and heat dissipation are achieved, and meanwhile the weight of the box body is reduced.

Description

technical field [0001] The invention relates to the field of machine tools, in particular to a headstock and a headstock transmission system applied to machine tools. Background technique [0002] The spindle box is an important part of the machine tool, which is used to arrange the working spindle of the machine tool and its transmission parts and corresponding additional mechanisms. [0003] In the prior art, a utility model patent with the authorized announcement number CN202155532U discloses a headstock (prior art one), such as figure 1 As shown, the bottom side of the headstock 10 is configured in the shape of a rib as a rib 11 . The above-mentioned spindle box has low rigidity because the strength support mainly depends on the bottom of the box body. [0004] Another headstock 20 of the prior art (the second prior art), such as figure 2 As shown, its reinforcing ribs 221, 222 are located on the front and rear side walls 211, 212 of the casing of the spindle box, an...

Claims

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Application Information

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IPC IPC(8): B23B19/00B23Q5/10
CPCB23Q1/70
Inventor 周新徐张明张鸿喜
Owner SCHAEFFLER TECH AG & CO KG