CN202428196U - Gantry moving type machine tool - Google Patents
Gantry moving type machine tool Download PDFInfo
- Publication number
- CN202428196U CN202428196U CN2011205302673U CN201120530267U CN202428196U CN 202428196 U CN202428196 U CN 202428196U CN 2011205302673 U CN2011205302673 U CN 2011205302673U CN 201120530267 U CN201120530267 U CN 201120530267U CN 202428196 U CN202428196 U CN 202428196U
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- bearing
- lathe
- crossbeam
- ram
- movable gantry
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Abstract
The utility model relates to a gantry moving type machine tool, which comprises a work table (1), a left bed body (2), a right bed body (3), a left upright post (4), a right upright post (5), a connecting beam (6), a cross beam (7), a transverse sliding plate (8), a vertical ram (9) and a ram type boring and milling head, wherein the left bed body (2) and the right bed body (3) are positioned at two sides of the work table, the left upright post (4) and the right upright post (5) are positioned on the left bed body (2) and the right bed body (3), the connecting beam (6) and the cross beam (7) are positioned between the left upright post (4) and the right upright post (5), the transverse sliding plate (8), the vertical ram (9) and the ram type boring and milling head are positioned on the cross beam (7), the work table (1) is fixed, a left slide seat (10) is arranged between the left upright post (4) and the left bed body (2), and a right slide seat (11) is arranged between the left upright post (5) and the right bed body (3). The gantry moving type machine tool has the advantages that the rigidity of the machine tool can be enhanced, in addition, the structure is simple, and safety and reliability are realized.
Description
Technical field
The utility model relates to machine tool field, particularly a kind of movable gantry lathe of stationary table.
Background technology
Along with the development of Machining Technology and the needs of mechanical processing industry, the large-sized gantry machine that can carry out large-scale workpiece processing arises at the historic moment and is widely used.The most movable workbench of existing Longmen machine tool, numerical control gantry machine tool X to floor space be two times of maximum processing work, wherein also do not comprise the length of two side protective covers, so plant area is taken bigger.Present machine tool chief axis device is in ram, and the dilatation of ram must cause the distortion of main shaft, if the big precision stability that just is difficult to guarantee main shaft of ram distortion seriously influences crudy.Crossbeam is the Longmen machine tool critical component, and it also bear vertical milling and boring heads and add the main cutting force that produce man-hour, and these load mainly concentrates on the crossbeam lower guideway except supporting vertical milling and boring heads, and the load skewness influences lathe integral rigidity and machining accuracy.
The utility model content
The purpose of the utility model is to above-mentioned shortcoming, provides that a kind of floor space is little, the movable gantry lathe of reasonable in design.
The technical scheme of the utility model is: a kind of movable gantry lathe, comprise workbench, and be positioned at the left lathe bed of workbench both sides, right lathe bed; Be positioned at left column, right column on left lathe bed, the right lathe bed; Tie-beam between left column and right column, crossbeam are positioned at the cross slide on the crossbeam, vertical ram and ram type boring and milling head outer, described stationary table; Be provided with left slide between described left column and the left lathe bed, be provided with right slide between right column and the right lathe bed.
Preferably: described left slide and right slide spigot surface have multiple spot static pressure oil pocket, adopt the cross-flow type hydrostatic slideway.
Preferably: the top of described vertical ram is provided with reduction box, is provided with solar heat protection dilatation device between vertical ram and the reduction box, and described solar heat protection dilatation device comprises cooling layer and thermal insulation layer.
Preferably: described cooling layer is provided with circulating oil tank for cooling frid, cooling frid, and described cooling frid is aluminium matter cooling frid.
Preferably: described thermal insulation layer is set to thermal insulation board, and described thermal insulation board is the fabroil thermal insulation board.
Preferably: cross slide is provided with the crossbeam auxiliary guide rail; Be provided with adjustable crossbeam relief arrangement between described cross slide and the crossbeam auxiliary guide rail, described crossbeam relief arrangement comprises bearing, at the bearing of rest base, be installed in the support bar at bearing top, be connected and be installed at the adjustment bolt of support bar top, with the adjustment bolt thread on the cross slide gland and between support bar and bearing and be set in the spring on the support bar; Join through bearing pin between described bearing and the bearing, join through bearing pin between described bearing and the support bar.
Preferably: described bearing is a self-aligning roller bearing.
Preferably: described spring is a butterfly spring.
Preferably: described gland is installed on the cross slide through screw.
The beneficial effect of the utility model is: its workbench bearing capacity of the utility model movable gantry lathe is big; The impact that it does not receive lifting workpiece is with other factors and interference deformation; Biggest advantage is that floor space is little; Clamping workpiece is convenient, can give full play to the actual effective length of workbench and come processing work.Aluminum cooling frid and fabroil thermal insulation board between ram and reduction box connecting portion, have been increased; Through take away a large amount of heats that reduction box and spindle motor assembly pass at the circulation hydraulic oil that cools off feeding constant temperature on the frid; Under the heat-blocking action of thermal baffle layer, guarantee that after-heat is not transferred to above the ram.The utility model adopts the cooling frid and the thermal insulation board that prevent in the hot dilatation device of ram to reduce the heat transmission and play the purpose that prevents the hot dilatation of ram, can reduce the hot dilatation of ram greatly, guarantees the precision stability of main shaft.The utility model not only can effectively reduce the hot dilatation of ram, increases the main shaft precision stability, and simple in structure, safe and reliable.Can be on the off-load steel guide rail of crossbeam, with load that reduces crossbeam lower guideway bearing-surface and the wearing and tearing that reduce the cross slide panel with 80% above off-load of the gross weight of ram boring and milling head and cross slide.Its off-load amount size can be regulated with the adjusting bolt on the relief arrangement, but every group of relief arrangement adjustment 0.5mm off-load 900Kg.The utility model can increase the rigidity of lathe, and simple in structure, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of solar heat protection dilatation device
Fig. 3 is cooling frid figure.
Fig. 4 is thermal insulation board figure.
The structural representation of the adjustable crossbeam relief arrangement of Fig. 5
The specific embodiment
Below in conjunction with accompanying drawing, the technical scheme of the utility model is done further bright specifically.
A kind of movable gantry lathe comprises workbench 1, is positioned at left lathe bed 2, the right lathe bed 3 of workbench both sides; Be positioned at left column 4, right column 5 on left lathe bed 2, the right lathe bed 3; Tie-beam 6 between left column 4 and right column 5, crossbeam 7 are positioned at the cross slide 82 on the crossbeam 7, vertical ram 9 and ram type boring and milling head outer, and described workbench 1 is fixed; Be provided with left slide 10 between described left column 4 and the left lathe bed 2, be provided with right slide 11 between right column 5 and the right lathe bed 3.Described left slide 10 and right slide 11 spigot surface have multiple spot static pressure oil pocket, adopt the cross-flow type hydrostatic slideway.
The top of described vertical ram 9 is provided with reduction box 94, is provided with solar heat protection dilatation device between vertical ram 9 and the reduction box 94, and described solar heat protection dilatation device comprises cooling layer 93 and thermal insulation layer 92.Described cooling layer 93 is provided with circulating oil tank for cooling frid, cooling frid, and described cooling frid is aluminium matter cooling frid.Described thermal insulation layer 92 is set to thermal insulation board, and described thermal insulation board is the fabroil thermal insulation board.
Shown in Fig. 2-4; Reduction box 94, cooling frid and thermal insulation board are through fastening being installed on the ram 9 of screw; The constant temperature fuel feeding that circulates through the circulating oil tank on the cooling frid from the hydraulic oil of insulating box is kept apart ram 9 and cooling frid through thermal insulation board to take away a large amount of heats that reduction box and spindle motor assembly produce, and stops from the heat that cools off the frid place to be delivered on the ram 1; Avoid external heat to be delivered to ram 9, reduced the hot dilatation of ram 9.
In Fig. 5, cross slide 82 rear sides have installing hole.Self-aligning roller bearing 84 is installed in bearing 83 lower ends through bearing pin 87 and back-up ring 811; The bearing capacity of self-aligning roller bearing 84 is bigger, has adjustability again, and bearing 84 is fully contacted with crossbeam auxiliary guide rail 8; Offset installing hole mismachining tolerance and Unit Installation error, make device stressed evenly.Support bar 85 is installed in bearing 83 upper ends through bearing pin 87, and adjustment bolt 86 tops are outer six squares, can regulate butterfly spring 89 decrements through die nut.Gland 88 is fixed on cross slide 82 installing holes, and adjustment bolt 86 is threaded with gland 88, and butterfly spring 89 is between bearing 83 and adjustment bolt 86.Support bar 85 tops to the distance of adjusting bolt 86 is h, can adjust cross slide through the size of adjustment h value and distribute on crossbeam with vertical ram load, thereby play the effect of off-load.
Claims (9)
1. movable gantry lathe; Comprise workbench (1); Be positioned at the left lathe bed (2) of workbench both sides, right lathe bed (3), be positioned at left column (4), right column (5) on left lathe bed (2), the right lathe bed (3), be positioned at tie-beam (6), crossbeam (7) between left column (4) and the right column (5); Be positioned at the cross slide (82) on the crossbeam (7), vertical ram (9) and ram type boring and milling head outer; It is characterized in that: described workbench (1) is fixing, is provided with left slide (10) between described left column (4) and the left lathe bed (2), is provided with right slide (11) between right column (5) and the right lathe bed (3).
2. movable gantry lathe as claimed in claim 1 is characterized in that: described left slide (10) and right slide (11) spigot surface have multiple spot static pressure oil pocket, adopt the cross-flow type hydrostatic slideway.
3. according to claim 1 or claim 2 movable gantry lathe; It is characterized in that: the top of described vertical ram (9) is provided with reduction box (94); Be provided with solar heat protection dilatation device between vertical ram (9) and the reduction box (94), described solar heat protection dilatation device comprises cooling layer (93) and thermal insulation layer (92).
4. movable gantry lathe as claimed in claim 3 is characterized in that: described cooling layer (93) is provided with circulating oil tank for cooling frid, cooling frid, and described cooling frid is aluminium matter cooling frid.
5. ram solar heat protection dilatation device as claimed in claim 3, it is characterized in that: described thermal insulation layer (92) is set to thermal insulation board, and described thermal insulation board is the fabroil thermal insulation board.
6. according to claim 1 or claim 2 movable gantry lathe; It is characterized in that: cross slide (82) is provided with crossbeam auxiliary guide rail (8); Be provided with adjustable crossbeam relief arrangement between described cross slide (82) and the crossbeam auxiliary guide rail (8), described crossbeam relief arrangement comprises bearing (83), be positioned at the bearing (84) of rest base, be installed in the bearing top support bar (85), be positioned at the adjustment bolt (86) of support bar top, be threaded with adjustment bolt (86) and be installed in the gland (88) on the cross slide (82) and be positioned at support bar (85) and bearing (83) between and be set in the spring (89) on the support bar (85); Join through bearing pin (87) between described bearing (83) and the bearing (84), join through bearing pin (87) between described bearing (83) and the support bar (85).
7. movable gantry lathe as claimed in claim 6 is characterized in that: described bearing (84) is a self-aligning roller bearing.
8. movable gantry lathe as claimed in claim 6 is characterized in that: described spring (89) is a butterfly spring.
9. movable gantry lathe as claimed in claim 6 is characterized in that: described gland (88) is installed on the cross slide (82) through screw (810).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205302673U CN202428196U (en) | 2011-12-19 | 2011-12-19 | Gantry moving type machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205302673U CN202428196U (en) | 2011-12-19 | 2011-12-19 | Gantry moving type machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428196U true CN202428196U (en) | 2012-09-12 |
Family
ID=46777669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205302673U Expired - Lifetime CN202428196U (en) | 2011-12-19 | 2011-12-19 | Gantry moving type machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428196U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922304A (en) * | 2012-11-09 | 2013-02-13 | 中捷机床有限公司 | Sliding plate and ram outer shell split adjustable structure |
| CN103769867A (en) * | 2012-10-19 | 2014-05-07 | 维嘉数控科技（苏州）有限公司 | Gantry device |
| CN109661291A (en) * | 2016-09-09 | 2019-04-19 | 株式会社牧野铣床制作所 | Lathe |
| CN112192544A (en) * | 2020-10-10 | 2021-01-08 | 金陵科技学院 | Two-degree-of-freedom micro-motion platform device based on material expansion with heat and contraction with cold principle |
-
2011
- 2011-12-19 CN CN2011205302673U patent/CN202428196U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769867A (en) * | 2012-10-19 | 2014-05-07 | 维嘉数控科技（苏州）有限公司 | Gantry device |
| CN102922304A (en) * | 2012-11-09 | 2013-02-13 | 中捷机床有限公司 | Sliding plate and ram outer shell split adjustable structure |
| CN109661291A (en) * | 2016-09-09 | 2019-04-19 | 株式会社牧野铣床制作所 | Lathe |
| CN112192544A (en) * | 2020-10-10 | 2021-01-08 | 金陵科技学院 | Two-degree-of-freedom micro-motion platform device based on material expansion with heat and contraction with cold principle |
| CN112192544B (en) * | 2020-10-10 | 2023-06-06 | 金陵科技学院 | Two-degree-of-freedom micro-motion platform device based on material expansion and contraction principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term |