CN112692589A

CN112692589A - Machine tool

Info

Publication number: CN112692589A
Application number: CN202011522245.2A
Authority: CN
Inventors: 刘代伟; 张博; 安亮亮; 吕鹤; 杨博会
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-23

Abstract

The invention provides a machine tool. A machine tool, comprising: a bed body; the upright post is detachably arranged on the bed body; the adjusting assembly comprises a fixing block and a jacking piece, the fixing block is fixed on the lathe bed, the jacking piece is adjustably mounted on the fixing block relative to the fixing block, and the jacking piece is in contact with the stand column so as to adjust the assembling precision between the lathe bed and the stand column through adjusting the position of the jacking piece. According to the invention, by arranging the adjusting component, the assembly precision between the bed and the upright of the machine tool is easier to adjust, the adjustment difficulty of the precision of a large machine tool is reduced, and the problem that the assembly between the upright and the bed of the machine tool in the prior art is difficult to adjust is solved.

Description

Machine tool

Technical Field

The invention relates to the field of machine tools, in particular to a machine tool.

Background

In order to improve the surface accuracy of the mold, the machine tool is required to have high accuracy, and also have high dynamic characteristics and linkage positioning performance. When the machine tool moving body maintains good positioning performance, particularly, the linkage characteristic needs high acceleration, and frequent high acceleration causes vibration and deformation of the machine tool body. In the long-term operation process of the machine tool, the machine tool generates tiny displacement between the connecting pieces due to the existence of periodic vibration.

At present, the existing technology is a column and bed bonding technology to maintain stability, the technology is to assemble the column and the bed of the machine tool, adjust the precision to reach the standard, and finally bond the column and the bed by using special glue to ensure that the column and the bed are stable and do not generate relative displacement and deformation.

The above technique is to complete the production of mineral castings in manufacturers, assemble the column and bed components, and bond them after assembly to make them permanently stable. Therefore, the assembly is difficult to disassemble after the bonding is completed, the parts are easy to damage, the assembly is inconvenient to adjust, and the manufacturing cost is high.

Disclosure of Invention

The invention mainly aims to provide a machine tool, which solves the problem that the assembly between a column and a bed of the machine tool in the prior art is difficult to adjust.

In order to achieve the above object, the present invention provides a machine tool comprising: a bed body; the upright post is detachably arranged on the bed body; the adjusting assembly comprises a fixing block and a jacking piece, the fixing block is fixed on the lathe bed, the jacking piece is adjustably mounted on the fixing block relative to the fixing block, and the jacking piece is in contact with the stand column so as to adjust the assembling precision between the lathe bed and the stand column through adjusting the position of the jacking piece.

Furthermore, the top tight piece is a top tight screw, and the fixed block is provided with a threaded hole matched with the top tight piece.

Further, the adjusting component is a plurality of, and a plurality of adjusting components distribute along the circumference of stand.

Further, the stand includes the headstock installation side that is used for installing the headstock, with the stand rear side of headstock installation side relative and be located two connection sides between main shaft installation side and the stand rear side, stand rear side and two connection sides all are provided with at least one adjustment assembly.

Further, the machine tool includes: a main spindle box; the spindle box is movably arranged on the sliding plate along the vertical direction, a first sliding rail is arranged on the upright post, and a first sliding block matched with the first sliding rail is arranged on the sliding plate; the first gasket is clamped between the first sliding block and the sliding plate.

Furthermore, the first slide rails and the first slide blocks are multiple, the multiple first slide rails and the multiple first slide blocks are arranged in a one-to-one correspondence manner, and a first gasket is clamped between each first slide rail and the corresponding first slide block; and/or the first sliding rail extends along the horizontal direction.

Further, the machine tool further includes: the machine tool is provided with a second sliding rail, and the workbench is provided with a second sliding block matched with the second sliding rail; and the second gasket is clamped between the second sliding block and the workbench.

Furthermore, the number of the second slide rails and the number of the second slide blocks are multiple, the multiple second slide rails and the multiple second slide blocks are arranged in a one-to-one correspondence manner, and a second gasket is arranged between each second slide rail and the corresponding second slide block; and/or the second slide rail extends in a horizontal direction.

Further, all be provided with the locating hole on lathe bed and the stand, the lathe still includes: and the positioning pin is inserted in the positioning holes of the bed body and the stand column after the assembly precision between the bed body and the stand column is adjusted through the adjusting assembly.

Further, all be provided with the locking hole on lathe bed and the stand, the lathe still includes: the locking piece is inserted in the locking holes in the bed body and the stand column, so that the bed body and the stand column are pre-locked through the locking piece before the assembling precision between the bed body and the stand column is adjusted.

By applying the technical scheme of the invention, the fixed block of the adjusting assembly is fixed on the bed of the machine tool, the jacking piece is adjustably mounted on the fixed block relative to the fixed block, the jacking piece is contacted with the upright post, and the assembly precision between the bed and the upright post is adjusted by adjusting the position of the jacking piece. According to the invention, by arranging the adjusting component, the assembly precision between the bed and the upright of the machine tool is easier to adjust, the adjustment difficulty of the precision of a large machine tool is reduced, and the problem that the assembly between the upright and the bed of the machine tool in the prior art is difficult to adjust is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic structural view of one embodiment of a machine tool according to the invention; and

fig. 2 shows a cross-sectional view a-a of the machine tool of fig. 1.

Wherein the figures include the following reference numerals:

10. a machine tool; 110. a bed body; 120. a column; 122. the rear side of the upright post; 123. a connection side; 131. a fixed block; 132. a top tightening member; 140. a main spindle box; 150. a slide plate; 160. a first gasket; 170. a work table; 190. a second gasket; 200. positioning pins; 210. a locking member; 220. and a socket head cap screw.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and 2, the present invention provides a machine tool 10, the machine tool 10 including a bed 110, a column 120, and a leveling assembly. The column 120 is detachably mounted on the bed 110. The adjusting assembly comprises a fixed block 131 and a tightening member 132, the fixed block 131 is fixed on the bed 110, the tightening member 132 is adjustably mounted on the fixed block 131 relative to the fixed block 131, and the tightening member 132 is in contact with the column 120 to adjust the assembling accuracy between the bed 110 and the column 120 by adjusting the position of the tightening member 132.

By applying the technical scheme of the invention, the fixed block 131 of the adjusting component is fixed on the bed 110 of the machine tool 10, the jacking piece 132 is adjustably mounted on the fixed block 131 relative to the position of the fixed block 131, the jacking piece 132 is in contact with the upright column 120, and the assembly precision between the bed 110 and the upright column 120 is adjusted by adjusting the position of the jacking piece 132. According to the invention, by arranging the adjusting component, the assembly precision between the bed 110 and the column 120 of the machine tool 10 is easier to adjust, the difficulty in adjusting the precision of the large machine tool 10 is reduced, and the problem that the assembly between the column 120 and the bed 110 of the machine tool 10 in the prior art is difficult to adjust is solved.

Fig. 1 shows a schematic structural view of one embodiment of a machine tool 10 according to the present invention. Fig. 2 shows a cross-sectional view a-a of machine tool 10 of fig. 1. Referring to fig. 1 and 2, in some embodiments, the tightening member 132 is a tightening screw, and the fixing block 131 is provided with a threaded hole for matching with the tightening member 132. The fixed connection between the fixed block 131 and the lathe bed 110 is realized by the fixed connection between the screws and the threaded holes, the structure is simple, and the connection is reliable.

Referring to fig. 2, the plurality of adjustment assemblies are distributed along the circumference of the column 120. The multiple adjustment assemblies allow for more accurate precision adjustment between column 120 and bed 110.

In some embodiments, the number of adjustment components is four. The adjusting assembly is locked to the bed 110 by means of socket head cap screws 220, one adjusting assembly is arranged on the column rear side 122, one adjusting assembly is arranged on each of the two connecting sides 123, and the adjusting assemblies are fixedly connected to the bed 110 of the machine tool 10 by means of socket head cap screws 220. The tightening screw is screwed into the threaded hole of the fixing block 131, and the free end of the tightening screw can be pressed against the upright post 120. Since the adjusting assembly and the bed 110 of the machine tool 10 are fixedly connected together by the socket head cap screws 220, the tightening screws screwed into the threaded holes of the fixing blocks 131 can tighten the columns 120 to move relative to the bed 110. The tightening screws disposed on the two connecting sides 123 can adjust the end of the column 120 close to the bed 110 to move, and the tightening screws disposed on the rear side 122 of the column can adjust the end of the column 120 close to the bed 110 to move.

Referring to fig. 1 and 2, mast 120 includes a mast mounting side for mounting a mast head 140, a mast rear side 122 opposite the mast mounting side, and two connecting sides 123 between the mast mounting side and the mast rear side 122, each of the mast rear side 122 and the two connecting sides 123 being provided with at least one adjustment assembly.

In some embodiments, machine tool 10 includes headstock 140, slide plate 150, and first shim 160. The main spindle box 140 is movably mounted on the slide plate 150 along the vertical direction, the column 120 is provided with a first slide rail, and the slide plate 150 is provided with a first slide block matched with the first slide rail.

Referring to fig. 1, a first gasket 160 is interposed between the first slider and the sliding plate 150.

In some embodiments, the first slide rail and the first slide block are both multiple, the multiple first slide rails and the multiple first slide blocks are arranged in a one-to-one correspondence manner, and a first gasket 160 is sandwiched between each first slide rail and the corresponding first slide block.

The first slide rail extends along the horizontal direction.

In some embodiments, the column 120 of the machine tool 10 is detachably mounted on the bed 110 of the machine tool 10, the slide plate 150 is connected to the column 120 through the cooperation of the first slide block and the first slide rail, the headstock 140 is movably mounted on the slide plate 150 in the vertical direction, and the lead screw of the machine tool 10 can drive the slide plate 150 to move on the column 120. When it is necessary to adjust the verticality of the slide plate 150 and the headstock 140 with respect to the bed 110, fine adjustment can be achieved by adjusting the first shim 160 disposed between the first slide rail and the first slide block.

In some embodiments, machine tool 10 further includes a table 170 and a second shim 190. A second slide rail is arranged on the machine tool 10, and a second slide block matched with the second slide rail is arranged on the workbench 170.

Referring to fig. 1, a second gasket 190 is interposed between the second slider and the table 170.

In some embodiments, the second slide rail and the second slide block are both multiple, the multiple second slide rails and the multiple second slide blocks are arranged in a one-to-one correspondence manner, and a second gasket 190 is arranged between each second slide rail and the corresponding second slide block.

The second slide rail extends along the horizontal direction.

In some embodiments, a second slide rail is provided on the machine tool 10, the table 170 of the machine tool 10 is connected to the bed 110 through the cooperation of the second slide rail and the second slide block, and the screw rod of the machine tool 10 can drive the table 170 to move in the horizontal direction. When the perpendicularity of the workbench 170 relative to the upright 120 needs to be adjusted, fine adjustment can be achieved by adjusting the second gasket 190 disposed between the second slide rail and the second slider.

The bed 110 and the column 120 are provided with positioning holes, and the machine tool 10 further includes positioning pins 200, and after the assembly accuracy between the bed 110 and the column 120 is adjusted by the adjusting assembly, the positioning pins 200 are inserted into the positioning holes of the bed 110 and the column 120. Through the cooperation of the positioning pin 200 and the positioning hole, the change of the geometric accuracy of the machine tool 10 is effectively avoided, and the stability and the reliability of the machine tool 10 are improved.

In some embodiments, after the bed 110 of the machine tool 10 is finished and left for a certain period of time, positioning holes are pre-drilled at two ends of the combined surface of the bed 110 and the column 120, and the positioning pins 200 are inserted into the positioning holes of the bed 110 and the column 120 after the assembly precision between the bed 110 and the column 120 is adjusted by the adjusting component.

The bed 110 and the column 120 are provided with locking holes, and the machine tool 10 further includes a locker 210, and the locker 210 is inserted into the locking holes of the bed 110 and the column 120 to pre-lock the bed 110 and the column 120 by the locker 210 before adjusting the assembling accuracy between the bed 110 and the column 120. In some embodiments, retaining member 210 can be a retaining socket head cap screw.

In some embodiments, the perpendicularity values are recorded using marble square gauges and dial gauges.

Reference throughout this specification to the description of "some embodiments," "other embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A machine tool, comprising:

a bed (110);

a column (120), wherein the column (120) is detachably mounted on the lathe bed (110);

the adjusting assembly comprises a fixed block (131) and a jacking piece (132), the fixed block (131) is fixed on the bed body (110), and the jacking piece (132) is adjustably mounted on the fixed block (131) relative to the fixed block (131); the top member (132) is in contact with the column (120) to adjust the accuracy of assembly between the bed (110) and the column (120) by adjusting the position of the top member (132).

2. The machine tool according to claim 1, characterized in that the tightening member (132) is a tightening screw, and the fixing block (131) is provided with a threaded hole which is matched with the tightening member (132).

3. Machine tool according to claim 1, wherein said adjustment assembly is a plurality of said adjustment assemblies distributed along the circumference of said upright (120).

4. Machine tool according to claim 1, characterized in that said column (120) comprises a headstock mounting side for mounting a headstock (140), a column rear side (122) opposite to said headstock mounting side, and two connection sides (123) between said headstock mounting side and said column rear side (122), said column rear side (122) and said two connection sides (123) each being provided with at least one said adjustment assembly.

5. The machine tool of claim 1, comprising:

a main spindle box (140);

the spindle box (140) is movably mounted on the sliding plate (150) along the vertical direction, a first sliding rail is arranged on the upright post (120), and a first sliding block matched with the first sliding rail is arranged on the sliding plate (150);

a first shim (160), the first shim (160) being sandwiched between the first slider and the slide plate (150).

6. The machine tool of claim 5,

the first slide rails and the first slide blocks are multiple, the first slide rails and the first slide blocks are arranged in a one-to-one correspondence manner, and the first gasket (160) is clamped between each first slide rail and the corresponding first slide block; and/or

The first slide rail extends along the horizontal direction.

7. The machine tool of claim 1, further comprising:

the workbench (170) is provided with a second sliding rail, and a second sliding block matched with the second sliding rail is arranged on the workbench (170);

a second shim (190), the second shim (190) being sandwiched between the second slider and the table (170).

8. The machine tool of claim 7,

the number of the second sliding rails and the number of the second sliding blocks are multiple, the second sliding rails and the second sliding blocks are arranged in a one-to-one correspondence manner, and a second gasket (190) is arranged between each second sliding rail and the corresponding second sliding block; and/or

The second slide rail extends along the horizontal direction.

9. The machine tool according to claim 1, wherein positioning holes are provided on both the bed (110) and the column (120), the machine tool further comprising:

a positioning pin (200), the positioning pin (200) being inserted in positioning holes of the bed (110) and the column (120) after the assembly accuracy between the bed (110) and the column (120) is adjusted by the adjustment assembly.

10. The machine tool according to claim 1, wherein locking holes are provided on both the bed (110) and the column (120), the machine tool further comprising:

the locking piece (210) is inserted into the locking holes in the bed body (110) and the upright post (120), so that the bed body (110) and the upright post (120) are pre-locked through the locking piece (210) before the assembling precision between the bed body (110) and the upright post (120) is adjusted.