CN102996728A - Four-gear speed changing box structure of double-column vertical lathe - Google Patents
Four-gear speed changing box structure of double-column vertical lathe Download PDFInfo
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- CN102996728A CN102996728A CN2012105410304A CN201210541030A CN102996728A CN 102996728 A CN102996728 A CN 102996728A CN 2012105410304 A CN2012105410304 A CN 2012105410304A CN 201210541030 A CN201210541030 A CN 201210541030A CN 102996728 A CN102996728 A CN 102996728A
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Abstract
The invention relates to a four-gear speed changing box structure of a double-column vertical lathe, which is particularly suitable for a vertical lathe. The invention particularly relates to the four-gear speed changing box structure of the double-column vertical lathe, comprising a box body, wherein a separation plate is used for dividing the box body into a first box body and a second box body; the first box body is internally provided with a first shaft, a second shaft and a third shaft; the second box body is internally provided with a fifth shaft and a sixth shaft; and a fourth shaft penetrates through the first box body and the second box body. According to the four-gear speed changing box structure of the double-column vertical lathe, the speed changing box structure in the prior art is improved; the existing sixteen-gear speed changing is changed into four-gear speed changing so that the quantity of middle transmission gears is reduced and equipment is conveniently maintained; and a variable frequency motor is used for driving so that a larger speed changing range can be obtained, and the four-gear speed changing box structure is suitable for heavy-duty cutting, is convenient to use, is low in manufacturing cost and is easy to maintain.
Description
Technical field
The present invention relates to a kind of gearbox designs, be specially adapted to vertical lathe, be specially double column vertical lathes four-speed gear shift box structure.
Background technique
Vertical lathe is mainly used in processing that diameter is large, length is short is large-scale, heavy workpiece and be difficult for the workpiece of clamping on horizontal lathe, in the situation that swing diameter satisfies, too heavy workpiece is difficult for clamping at sleeping carriage, because dead weight, influential to machining accuracy, adopt vertical lathe to address the above problem.
In the vertical lathe industry, many grades of speed changes of gearbox employing can provide permanent power speed change in a big way, and the opposition Vehicle Processing has a direct impact.At present, most of vertical lathe main-gear boxs adopt 16 grades of drive mechanisms, but in this structure, driving gear is more, cause transmitted power loss, and how the intermediate transfer parts also caused structural complexity, cause plant maintenance inconvenient.Therefore, the structure of gearbox is optimized design, to improving Workpiece Machining Accuracy very large meaning is arranged.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of double column vertical lathes four-speed gear shift box structure is provided, this gearbox designs is simple, operate steadily.
According to technological scheme of the present invention: double column vertical lathes four-speed gear shift box structure, feature is: comprise casing, dividing plate is divided into the first casing, the second casing with described casing, the first axle, the second axle, the 3rd axle are set in described the first casing, the 5th axle, the 6th axle are set in described the second casing, and the 4th axle runs through the first casing, the second casing; The first gear is installed on described the first axle, described the first gear matches with the 3rd gear on being installed in the second axle, on described the second axle the second gear is installed also, described the second gear matches with the 4th gear on being installed in the 3rd axle, on described the 3rd axle the 9th gear is installed also, described the 4th gear matches with the first gear train on being installed in the 4th axle, described the first gear train is by the tenth jump ring location, on described the first gear train the first groove is set, the 4th axle is positioned at installs the tenth gear on the axle that the second box house divides, the second gear train is installed on the 5th axle, described the second gear train is by the 6th jump ring location, on described the second gear train the second groove is set, the octadentate wheel is installed on the 6th axle, the 7th gear, the first gearshift also is installed on the casing, the second gearshift, described the first gearshift comprises the first telescopic oil cylinder, be fixedly installed on the first shift fork of the first telescopic oil cylinder end, described the first shift fork matches with the second groove of the second gear train, described the second gearshift comprises the second telescopic oil cylinder, be fixedly installed on the second shift fork on the second telescopic oil cylinder, described the second shift fork matches with the first groove of the first gear train.
As a further improvement on the present invention, described the first gear train comprises the 11 gear, the 12 gear, described the 11 gear axial end arranges the first axle sleeve, the 12 gear shaft arranges the second axle sleeve to end face, the 12 gear is arranged on by the second flat key on the first axle sleeve of the 11 gear, and described the second axle sleeve radially arranges the first groove.
As a further improvement on the present invention, described the second gear train comprises the 5th gear, the 6th gear, described the 5th gear axial end arranges the 3rd axle sleeve, the 6th gear axial end arranges the 4th axle sleeve, the 5th gear is arranged on by the first flat key on the 4th axle sleeve of the 6th gear, and the 3rd axle sleeve of described the 5th gear radially arranges the second groove.
As a further improvement on the present invention, described the first axle is installed on the first casing by clutch shaft bearing, the second bearing, described clutch shaft bearing is by the first jump ring location, described the second bearing is by the 5th jump ring location, suit the first spacer, the 6th spacer on described the first gear two end axles, described the first axle is input shaft.
As a further improvement on the present invention, described the second axle two ends are installed on the first casing by the second bearing respectively, the second bearing on the described wall box is by the second jump ring location, separate by the 3rd spacer between described the second gear and the 3rd gear, the described second gear the other end is by the second spacer location, described the 3rd gear the other end is by the 7th spacer location, between described the 7th spacer and the second bearing the 8th spacer is set, described the second axle axle head capping the second hubcap, described the second hubcap pass through the first bolton on casing.
As a further improvement on the present invention, described the 3rd axle two ends are installed on the first casing by the 3rd bearing respectively, the 3rd bearing that described the 3rd axle is installed in dividing plate one end is installed on the dividing plate by the second bearing housing, the 3rd bearing on the wall box is by the 3rd jump ring location, separate by the 4th spacer between described the 4th gear and the 9th gear, described the 4th gear the other end is by the 5th spacer location, the 9th gear the other end is by the 11 spacer location, described the 3rd axle axle head capping the 3rd hubcap, described the 3rd hubcap pass through the second bolton on casing.
As a further improvement on the present invention, described the 4th axle two ends are respectively by the 4th bearing, the tenth bearing is installed on the casing, described the 4th bearing is installed in the clutch shaft bearing cover, the 4th bearing is located by the 4th jump ring in the described clutch shaft bearing cover outside, the 4th axle intermediate portion is bearing on the dividing plate by the 9th bearing, described the 9th bearing is fixing spacing by the 9th jump ring, between described the tenth gear and the tenth bearing the 12 spacer is set, described the 4th axle left side axle head capping the 4th hubcap, described the 4th hubcap is bolted on the casing by the 3rd, the 4th axle right side axle head arranges the 4th shaft pressuring plate, and described the 4th shaft pressuring plate is bolted to the 4th axial end by the 4th.
As a further improvement on the present invention, described the 5th axle two ends are installed on the second casing by the 9th bearing, the 6th bearing respectively, described the 6th bearing outside is positioned on the 5th axle by the 7th jump ring, and the second bearing on described the 9th bearing and the dividing plate separates by the 9th spacer.
Described the 6th axle two ends are installed on the second casing by the 7th bearing, the 8th bearing respectively, on described the 7th gear left end shaft the 8th jump ring are set, and the tenth spacer is set on the right-hand member axle.
As a further improvement on the present invention, in described the first casing locking bar is installed also.
Technique effect of the present invention is: the present invention is by improving vertical lathe gearbox designs of the prior art, change four-speed gear shift into by having 16 grades of speed changes now, reduced the quantity of intermediate drive gear, so that plant maintenance is got up is convenient, adopt variable-frequency motor to drive, can obtain larger slewing range, be fit to the heavy duty cutting, easy to use, fabricating cost is low, is easy to safeguard.
Description of drawings
Fig. 1 is that section of the present invention launches schematic representation.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
Among Fig. 1, comprise casing 1, the first gear 2, the first spacer 3, the first jump ring 4, clutch shaft bearing 5, the first axle 6, the second gear 7, the second spacer 8, the 3rd spacer 9, the 3rd gear 10, the second axle 11, the second jump ring 12, the second bearing 13, the second hubcap 14, the first bolt 15, the 4th gear 16, the 4th spacer 17, the 3rd axle 18, the 3rd jump ring 19, the 3rd hubcap 20, the 3rd bearing 21, the 5th spacer 22, the second bolt 23, clutch shaft bearing cover 24, the 4th hubcap 25, the 4th axle 26, the 4th jump ring 27, the 4th bearing 28, the 3rd bolt 29, the first gearshift 30, the second gearshift 31, locking bar 32, the 6th spacer 33, the second bearing 34, the 5th jump ring 35, the 7th spacer 36, the 8th spacer 37, the 6th jump ring 38, the 5th gear 39, the first flat key 40, the 6th gear 41, the 9th spacer 42, the 5th axle 43, the 6th bearing 44, the 7th jump ring 45, the 7th gear 46, the 8th jump ring 47, the 7th bearing 48, the tenth spacer 49, the 6th axle 50, octadentate wheel 51, the 8th bearing 52, the 11 spacer 53, the 9th gear 54, the second bearing housing 55, the 4th bolt 56, the tenth gear 57, the 4th shaft pressuring plate 58, the 9th bearing 59, the tenth bearing 60, the 12 spacer 61, the 9th jump ring 62, the second flat key 63, the tenth jump ring 64, the 11 gear 65, the 12 gear 66, dividing plate 67, the first casing 68, the second casing 69, the first gear train 70, the second gear train 71, the second axle sleeve 72, the 3rd axle sleeve 73, the 4th axle sleeve 74, the 9th bearing 75, the first groove 76, the second groove 77, the first telescopic oil cylinder 78, the first shift fork 79, the second telescopic oil cylinder 80, the second shift fork 81, Deng.
As shown in Figure 1, the present invention is a kind of double column vertical lathes four-speed gear shift box structure, comprise casing 1, dividing plate 67 is divided into the first casing 68, the second casing 69 with described casing 1, described the first casing 68 interior the first axle 6, the second axle 11, the 3rd axles 18 of arranging, described the second casing 69 is interior to arrange the 5th axle 43, the 6th axle 50, the four axles 26 run through the first casing 68, the second casing 69; The first gear 2 is installed on described the first axle 6, described the first gear 2 matches with the 3rd gear 10 on being installed in the second axle 11, on described the second axle 11 the second gear 7 is installed also, described the second gear 7 matches with the 4th gear 16 on being installed in the 3rd axle 18, on described the 3rd axle 18 the 9th gear 54 is installed also, described the 4th gear 16 matches with the first gear train 70 on being installed in the 4th axle 26, described the first gear train 70 is by the tenth jump ring 64 location, on described the first gear train 70 the first groove 76 is set, the 4th axle 26 is positioned at installs the tenth gear 57 on the axle of the second casing 69 parts, the second gear train 71 is installed on the 5th axle 43, described the second gear train 71 is by the 6th jump ring 38 location, on described the second gear train 71 the second groove 77 is set, octadentate wheel 51 is installed on the 6th axle 50, the 7th gear 46, the first gearshift 30 also is installed on the casing 1, the second gearshift 31, described the first gearshift 30 comprises the first telescopic oil cylinder 78, be fixedly installed on the first shift fork 79 of the first telescopic oil cylinder 78 ends, described the first shift fork 79 matches with the second groove 77 of the second gear train 71, described the second gearshift 31 comprises the second telescopic oil cylinder 80, be fixedly installed on the second shift fork 81 on the second telescopic oil cylinder, described the second shift fork 81 matches with the first groove 76 of the first gear train 70.
Described the first gear train 70 comprises the 11 gear 65, the 12 gear 66, described the 11 gear 65 axial ends arrange the first axle sleeve 71, the 12 gear 66 axial ends arrange the second axle sleeve 72, the 12 gear 66 is arranged on by the second flat key 63 on the first axle sleeve 71 of the 11 gear 65, and described the second axle sleeve 72 radially arranges the first groove 76.
Described the second gear train 71 comprises the 5th gear 39, the 6th gear 41, described the 5th gear 39 axial ends arrange the 3rd axle sleeve 73, the 6th gear 41 axial ends arrange the 4th axle sleeve 74, the 5th gear 39 is arranged on by the first flat key 40 on the 4th axle sleeve 74 of the 6th gear 41, and the 3rd axle sleeve 73 of described the 5th gear 39 radially arranges the second groove 77.
Described the first axle 6 is installed on the first casing 68 by clutch shaft bearing 5, the second bearing 34, described clutch shaft bearing 5 is by the first jump ring 4 location, described the second bearing 34 is by the 5th jump ring 35 location, suit the first spacer 3, the 6th spacer 33 on described the first gear 2 two end axles, described the first axle 6 is input shaft.
Described the second axle 11 two ends are installed on the first casing 68 by the second bearing 13 respectively, the second bearing 13 on described casing 1 sidewall is by the second jump ring 12 location, separate by the 3rd spacer 9 between described the second gear 7 and the 3rd gear 10, described the second gear 7 the other ends are by the second spacer 8 location, described the 3rd gear 10 the other ends are by the 7th spacer 36 location, described the 7th spacer 36 and 13 on the second bearing arrange the 8th spacer 37, described the second axle 11 axle head cappings the second hubcap 14, described the second hubcap 14 is fastened on the casing 1 by the first bolt 15.
Described the 3rd axle 18 two ends are installed on the first casing 68 by the 3rd bearing 21 respectively, the 3rd bearing 21 that described the 3rd axle 18 is installed in dividing plate 67 1 ends is installed on the dividing plate 67 by the second bearing housing 55, the 3rd bearing 21 on casing 1 sidewall is by the 3rd jump ring 19 location, separate by the 4th spacer 17 between described the 4th gear 16 and the 9th gear 54, described the 4th gear 16 the other ends are by the 5th spacer 22 location, the 9th gear 54 the other ends are by the 11 spacer 53 location, described the 3rd axle 18 axle head cappings the 3rd hubcap 20, described the 3rd hubcap 20 is fastened on the casing 1 by the second bolt 23.
Described the 4th axle 26 two ends are respectively by the 4th bearing 28, the tenth bearing 60 is installed on the casing 1, described the 4th bearing 28 is installed in the clutch shaft bearing cover 24, described clutch shaft bearing overlaps 24 outsides by the 4th jump ring 27 location the 4th bearing 28, the 4th axle 26 intermediate portions are bearing on the dividing plate 67 by the 9th bearing 59, described the 9th bearing 59 is fixing spacing by the 9th jump ring 62, between described the tenth gear 57 and the tenth bearing 60 the 12 spacer 61 is set, described the 4th axle 26 left side axle head cappings the 4th hubcap 25, described the 4th hubcap 25 is fixed on the casing 1 by the 3rd bolt 29, the 4th axle 26 right side axle heads arrange the 4th shaft pressuring plate 58, and described the 4th shaft pressuring plate 58 is fixed on the 4th axle 26 end faces by the 4th bolt 56.
Described the 5th axle 43 two ends are installed on the second casing 69 by the 9th bearing 75, the 6th bearing 44 respectively, described the 6th bearing 44 outsides are positioned on the 5th axle 43 by the 7th jump ring 45, and the second bearing 13 on described the 9th bearing 75 and the dividing plate 67 separates by the 9th spacer 42.
Described the 6th axle 50 two ends are installed on the second casing 69 by the 7th bearing 48, the 8th bearing 52 respectively, on described the 7th gear 46 left end shaft the 8th jump ring 47 are set, and the tenth spacer 49 is set on the right-hand member axle.
In described the first casing 68 locking bar 32 is installed also.
As shown in Figure 1, vertical lathe four-speed gear shift box structure the first axle 6 of the present invention is as input shaft, the 6th axle 50 is as output shaft, the first gear train 70 is set on the 4th axle 26, the first gear train 70 can endwisely slip at the 4th axle 26 under the effect of the second shift fork 81, so that the 11 gear 65 on the first gear train 70 matches with the 4th gear 16 on the 3rd axle 18 or the first gear train 70 on the 12 gear 66 and the 9th gear 54 on the 3rd axle 18 form engagement, after 70 slips of the first gear train put in place, locking bar 32 was stuck in the groove of the first telescopic oil cylinder 78; The second gear train 71 is set on the 5th axle 43, the second gear train 71 can endwisely slip at the 5th axle 43 under 79 effects of the first shift fork, the second gear train 71 is in the process of endwisely slipping, the 5th gear 39 is meshed with the tenth gear 57 on the 4th axle 26 all the time, the slip of the second gear train 71, so that the 7th gear 46 on the 6th gear 41 of 51 engagements of the wheel of the octadentate on the 5th gear 39 and the 6th axle 50 or the second gear train 71 and the 6th axle 50 forms engagement, after 71 slips of the second gear train put in place, locking bar 32 was stuck in the groove of the second telescopic oil cylinder 80.
The present invention is by improving vertical lathe gearbox designs of the prior art, change 4 grades of speed changes into by having 16 grades of speed changes now, reduced the quantity of intermediate drive gear, so that plant maintenance is got up is convenient, adopt variable-frequency motor to drive, can obtain larger slewing range, be fit to the heavy duty cutting, easy to use, fabricating cost is low, is easy to safeguard.
Claims (10)
1. double column vertical lathes four-speed gear shift box structure, it is characterized in that: comprise casing (1), dividing plate (67) is divided into the first casing (68), the second casing (69) with described casing (1), the first axle (6), the second axle (11), the 3rd axle (18) are set in described the first casing (68), the 5th axle (43), the 6th axle (50) are set in described the second casing (69), and the 4th axle (26) runs through the first casing (68), the second casing (69); Upper the first gear (2) of installing of described the first axle (6), described the first gear (2) matches with the 3rd gear (10) on being installed in the second axle (11), the second gear (7) also is installed on described the second axle (11), described the second gear (7) matches with the 4th gear (16) on being installed in the 3rd axle (18), the 9th gear (54) also is installed on described the 3rd axle (18), described the 4th gear (16) matches with the first gear train (70) on being installed in the 4th axle (26), described the first gear train (70) is by the tenth jump ring (64) location, the first groove (76) is set on described the first gear train (70), the 4th axle (26) is positioned on the second casing (69) axle partly installs the tenth gear (57), the second gear train (71) is installed on the 5th axle (43), described the second gear train (71) is by the 6th jump ring (38) location, the second groove (77) is set on described the second gear train (71), the upper octadentate wheel (51) of installing of the 6th axle (50), the 7th gear (46), the first gearshift (30) also is installed on the casing (1), the second gearshift (31), described the first gearshift (30) comprises the first telescopic oil cylinder (78), be fixedly installed on first shift fork (79) of the first telescopic oil cylinder (78) end, described the first shift fork (79) matches with second groove (77) of the second gear train (71), described the second gearshift (31) comprises the second telescopic oil cylinder (80), be fixedly installed on the second shift fork (81) on the second telescopic oil cylinder, described the second shift fork (81) matches with first groove (76) of the first gear train (70).
2. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the first gear train (70) comprises the 11 gear (65), the 12 gear (66), described the 11 gear (65) axial end arranges the first axle sleeve (71), the 12 gear (66) axial end arranges the second axle sleeve (72), the 12 gear (66) is arranged on by the second flat key (63) on first axle sleeve (71) of the 11 gear (65), and described the second axle sleeve (72) radially arranges the first groove (76).
3. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the second gear train (71) comprises the 5th gear (39), the 6th gear (41), described the 5th gear (39) axial end arranges the 3rd axle sleeve (73), the 6th gear (41) axial end arranges the 4th axle sleeve (74), the 5th gear (39) is arranged on by the first flat key (40) on the 4th axle sleeve (74) of the 6th gear (41), and the 3rd axle sleeve (73) of described the 5th gear (39) radially arranges the second groove (77).
4. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the first axle (6) is installed on the first casing (68) by clutch shaft bearing (5), the second bearing (34), described clutch shaft bearing (5) is by the first jump ring (4) location, described the second bearing (34) is by the 5th jump ring (35) location, suit the first spacer (3), the 6th spacer (33) on described the first gear (2) two end axles, described the first axle (6) is input shaft.
5. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the second axle (11) two ends are installed on the first casing (68) by the second bearing (13) respectively, the second bearing (13) on described casing (1) sidewall is by the second jump ring (12) location, separate by the 3rd spacer (9) between described the second gear (7) and the 3rd gear (10), described the second gear (7) the other end is by the second spacer (8) location, described the 3rd gear (10) the other end is by the 7th spacer (36) location, between described the 7th spacer (36) and the second bearing (13) the 8th spacer (37) is set, described the second axle (11) axle head capping the second hubcap (14), described the second hubcap (14) is fastened on the casing (1) by the first bolt (15).
6. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the 3rd axle (18) two ends are installed on the first casing (68) by the 3rd bearing (21) respectively, the 3rd bearing (21) that described the 3rd axle (18) is installed in dividing plate (67) one ends is installed on the dividing plate (67) by the second bearing housing (55), the 3rd bearing (21) on casing (1) sidewall is by the 3rd jump ring (19) location, separate by the 4th spacer (17) between described the 4th gear (16) and the 9th gear (54), described the 4th gear (16) the other end is by the 5th spacer (22) location, the 9th gear (54) the other end is by the 11 spacer (53) location, described the 3rd axle (18) axle head capping the 3rd hubcap (20), described the 3rd hubcap (20) is fastened on the casing (1) by the second bolt (23).
7. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the 4th axle (26) two ends are respectively by the 4th bearing (28), the tenth bearing (60) is installed on the casing (1), described the 4th bearing (28) is installed in the clutch shaft bearing cover (24), described clutch shaft bearing cover (24) outside is by the 4th jump ring (27) location the 4th bearing (28), the 4th axle (26) intermediate portion is bearing on the dividing plate (67) by the 9th bearing (59), described the 9th bearing (59) is fixing spacing by the 9th jump ring (62), between described the tenth gear (57) and the tenth bearing (60) the 12 spacer (61) is set, described the 4th axle (26) left side axle head capping the 4th hubcap (25), described the 4th hubcap (25) is fixed on the casing (1) by the 3rd bolt (29), the 4th axle (26) right side axle head arranges the 4th shaft pressuring plate (58), and described the 4th shaft pressuring plate (58) is fixed on the 4th axle (26) end face by the 4th bolt (56).
8. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the 5th axle (43) two ends are installed on the second casing (69) by the 9th bearing (75), the 6th bearing (44) respectively, described the 6th bearing (44) outside is positioned on the 5th axle (43) by the 7th jump ring (45), and the second bearing (13) on described the 9th bearing (75) and the dividing plate (67) separates by the 9th spacer (42).
9. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: described the 6th axle (50) two ends are installed on the second casing (69) by the 7th bearing (48), the 8th bearing (52) respectively, on described the 7th gear (46) left end shaft the 8th jump ring (47) is set, the tenth spacer (49) is set on the right-hand member axle.
10. according to double column vertical lathes four-speed gear shift box structure claimed in claim 1, it is characterized in that: locking bar (32) also is installed in described the first casing (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541030.4A CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541030.4A CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996728A true CN102996728A (en) | 2013-03-27 |
| CN102996728B CN102996728B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210541030.4A Expired - Fee Related CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615804A1 (en) * | 1993-03-19 | 1994-09-21 | DÖRRIES SCHARMANN GmbH | Process and device for drawing metallic blanks for the manufacture of so-called deep drawn pieces |
| US5970758A (en) * | 1998-11-13 | 1999-10-26 | Chan Hau Enterprise Co., Ltd. | Automobile steering lock |
| JP2007144529A (en) * | 2005-11-24 | 2007-06-14 | Nakamura Tome Precision Ind Co Ltd | Small-sized lathe |
| CN101704193A (en) * | 2009-11-05 | 2010-05-12 | 齐重数控装备股份有限公司 | Gear box of heavy CNC vertical turning machine |
| CN102091791A (en) * | 2011-01-10 | 2011-06-15 | 大连意美机械有限公司 | Numerical control double-post vertical lathe |
| CN202992057U (en) * | 2012-12-14 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Double-column vertical lathe four-speed gearbox structure |
-
2012
- 2012-12-14 CN CN201210541030.4A patent/CN102996728B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615804A1 (en) * | 1993-03-19 | 1994-09-21 | DÖRRIES SCHARMANN GmbH | Process and device for drawing metallic blanks for the manufacture of so-called deep drawn pieces |
| US5970758A (en) * | 1998-11-13 | 1999-10-26 | Chan Hau Enterprise Co., Ltd. | Automobile steering lock |
| JP2007144529A (en) * | 2005-11-24 | 2007-06-14 | Nakamura Tome Precision Ind Co Ltd | Small-sized lathe |
| CN101704193A (en) * | 2009-11-05 | 2010-05-12 | 齐重数控装备股份有限公司 | Gear box of heavy CNC vertical turning machine |
| CN102091791A (en) * | 2011-01-10 | 2011-06-15 | 大连意美机械有限公司 | Numerical control double-post vertical lathe |
| CN202992057U (en) * | 2012-12-14 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Double-column vertical lathe four-speed gearbox structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102996728B (en) | 2015-04-22 |
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