CN108098427A - For the hydraulic change gear device of numerically-controlled machine tool - Google Patents
For the hydraulic change gear device of numerically-controlled machine tool Download PDFInfo
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- CN108098427A CN108098427A CN201711190594.7A CN201711190594A CN108098427A CN 108098427 A CN108098427 A CN 108098427A CN 201711190594 A CN201711190594 A CN 201711190594A CN 108098427 A CN108098427 A CN 108098427A
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- gear
- close
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- plate
- meshed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
- B23Q5/14—Mechanical drives with means for varying the speed ratio step-by-step
- B23Q5/145—Mechanical drives with means for varying the speed ratio step-by-step fluid-operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to the hydraulic change gear devices for numerically-controlled machine tool.Including gear housing, first gear axis and second gear axis equipped with vertical direction parallel arrangement in the gear housing, the first gear axis is equipped with double crosslinking sliding gear, the second gear axis is equipped with the 3rd gear and the 4th gear, the double crosslinking sliding gear includes and the 3rd gear first gear being meshed and the second gear being meshed with the 4th gear, hydraulic cylinder is also integrated in the gear housing, the piston of the hydraulic cylinder drives double crosslinking sliding gear sliding axially along first gear axis by connector, to realize first gear and the 3rd two states that gear is meshed or second gear is meshed with the 4th gear.As shown from the above technical solution, the present invention is using hydraulic cylinder as dynamical element, and in the non-stop-machine automatic switchover that can realize gear, while idle gear is phase separation after gear shift, solves the problems, such as gear noise.
Description
The application is application number：2015104682610, the applying date：On 08 03rd, 2015, denomination of invention：For numerical control
The divisional application of the hydraulic gear-shifting device of lathe.
Technical field
The present invention relates to digit ctrol machine tool fields, and in particular to a kind of hydraulic change gear device for numerically-controlled machine tool.
Background technology
With the continuous variation in market, the requirement to numerical control atomization degree is higher and higher, high efficiency, height refine,
The numerically-controlled machine tool of low cost has become new lover in the market.At present, the numerically controlled lathe of mechanical conversion architecture, mainly passes through tooth
The electrodeless variable-speed mode on gear is realized in the switching for taking turns gear, and such mode can improve the cutting moment of torque of lathe.It is general this
The switching of kind gear can be solved by two ways：First, by way of pulling handle, i.e., nibbled by manual switching gear
Conjunction mode changes the gears in gear；Second is that switch gear by way of electromagnetic clutch.Both above-mentioned sides
Formula all there are it is respective the shortcomings that：The first is by way of manually pulling handle, it is necessary to which stopping lathe could being operated, so
The continuity of numerical control program execution has been interrupted, has reduced production efficiency；Second scarce existing for by way of electromagnetic clutch
Point is that gear noise is excessive, because in mode therefore, working gear and not working gear conjunction portion mesh together, and thus increase
The noise in gear-box is added.
The content of the invention
It is an object of the invention to provide a kind of hydraulic change gear device for numerically-controlled machine tool, which can realize not
The automatic switchover of gear is shut down, while can also solve the problems, such as gear noise.
To achieve the above object, present invention employs following technical schemes：Including gear housing, lubrication is set in babinet
Oil, the gear housing interior first gear axis and second gear axis equipped with vertical direction parallel arrangement, first tooth
Wheel shaft is equipped with double crosslinking sliding gear, and the second gear axis is equipped with the 3rd gear and the 4th gear, and the duplex is slided
Moving gear includes and the 3rd gear first gear being meshed and the second gear being meshed with the 4th gear, the gear-box
Hydraulic cylinder is also integrated in vivo, and the piston of the hydraulic cylinder drives double crosslinking sliding gear along first gear axis by connector
Slide axially, to realize first gear is meshed with the 3rd gear or second gear is meshed with the 4th gear two kinds of shapes
State；The in vivo lubricating oil liquid level of the gear-box is between first gear and second gear lower end, the 4th gear
The involute shape groove or protrusion for lubricating oil of outwards dishing out are set on towards the side of first gear；Or the 4th gear
The involute shape groove or protrusion for lubricating oil of outwards dishing out all are set on two sides.
The connector is made of the pull rod set parallel to first gear axis and the shift fork being fixed on pull rod, institute
The pull rod stated is connected with the piston of hydraulic cylinder, and the claw of the shift fork is mutually fixed with double crosslinking sliding gear.
It is equipped with above the shift fork and is equipped with the mutually fixed touching stent of shift fork, the gear housing in right and left
To arrangement first close to switch with second close to switch, when the first gear engage with the 3rd gear, touch stent and
First close to switch contact, when the second gear is engaged with the 4th gear, touches stent and second close to switch contact.
Described first close opens by first close to switch bracket with second respectively close to switch with second close to switch
Stent is closed to be fixed on gear housing.
The touching stent is integrally U-shaped, include vertical parallel arrangement the first plate and the second plate, the first plate with
The bottom of second plate is equipped with the 3rd plate of the first plate of connection and the second plate, and the 3rd plate mutually fixes with shift fork, and described the
One plate and the second plate are engaged respectively with first close to switch and second close to switch.
The diameter of the first gear is more than the diameter of the 3rd gear, and the diameter of the second gear is less than the 4th gear
Diameter, when first gear is meshed with the 3rd gear, second gear is in discrete state with the 4th gear；Second gear and the 4th
When gear is meshed, first gear is in discrete state with the 3rd gear.
The hydraulic cylinder includes cylinder body and is arranged on the oil cylinder front cover of the forward and backward position of cylinder body and oil cylinder rear cover,
Piston is equipped in cylinder body, oil cylinder front cover is equipped with the first oil inlet and the second oil inlet, first oil inlet and no bar
Chamber is connected, and second oil inlet is connected with rod chamber.
As shown from the above technical solution, the present invention using hydraulic cylinder as dynamical element, in the case that it is non-stop-machine can
To realize the automatic switchover of gear, the automated procedures of lathe are improved, while idle gear is phase separation after gear shift,
So the problem of also solving gear noise simultaneously.Although multiple shafts, gear are arranged in babinet, to lubricating requirement
It is higher, but because being provided with outwards the dish out groove or protrusion of lubricating oil in the 4th gear surface, it plays to being thrown off lubricating oil
Effect, it is possible to lubricating oil liquid level is made in babinet to be located at first gear and second and is gone out between wheel；So relatively low lubricating oil
Liquid level avoids lubricating oil and presses through greatly, causes to leak at sealing.So the delicate structure of the present invention is reliable, both realized
Stable equipment operation, low noise, while self shifter, lubrication is reliable, No leakage.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of hydraulic cylinder of the present invention；
Fig. 3 is the A-A direction views in Fig. 1.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of hydraulic change gear device for numerically-controlled machine tool, including gear housing 1, lubricating oil is set in babinet 1.
Improvement is：First gear axis 2 and second gear axis 3 equipped with vertical direction parallel arrangement in gear housing 1, first gear axis
2 be equipped with double crosslinking sliding gear, second gear axis 3 be equipped with the 3rd gear 4 and the 4th gear 5, double crosslinking sliding gear including with
The first gear 6 that 3rd gear 4 is meshed and the second gear 7 being meshed with the 4th gear 5 are also integrated in gear housing 1
Hydraulic cylinder 8, the piston 81 of hydraulic cylinder 8 drive double crosslinking sliding gear sliding along the axial direction of first gear axis 2 by connector 9
It is dynamic, to realize first gear 6 and the 3rd two states that gear 4 is meshed or second gear 7 is meshed with the 4th gear 5.
With reference to shown in Fig. 1,3, the lubricating oil liquid level in the gear housing 1 is located under first gear 6 and second gear 7
Between end, the 4th gear 5 towards the involute shape groove that lubricating oil of outwards dishing out is set on the side of first gear 6 or
Protrusion 51；Or the involute shape groove or protrusion of lubricating oil of outwards dishing out all are set on two sides of the 4th gear 5
51.The left and right sides of the 4th gear 5 set groove or protrusion 51 or are at least set on the surface in left side in namely Fig. 1
Groove or protrusion 51.The side of such 4th gear 5 is similar to the impeller of centrifugal pump, with the rotation of gear, can will moisten
Gap drainage of the lubricating oil between first gear 6 and second gear 7；Also drained to 7 lower end of second gear so that second gear 7
The sufficient lubrication between the 4th gear 5.Profit is directly contacted with lubricating oil by first gear 6 between 3rd gear 4 and first gear 6
It is sliding.Component lubrication is reliable in entire babinet 1.
Because the more conventional structure of lubricating oil liquid level is significantly reduced positioned at the position of box height half, Lubricating Oil
Pressure drop is low, and the risk leaked at the sealing of first gear axis 2, second gear axis 3 with babinet 1 significantly reduces.Although groove
Or the operation of protrusion 51 can generate certain noise, but in entire babinet 1, generated noise is far below other component,
It can't hear so extraneous, it can't the overall noise that uses of lift apparatus.
Further, connector 9 is by the pull rod 91 set parallel to first gear axis 2 and group being fixed on pull rod 91
92 composition of fork, pull rod 91 are connected with the piston 81 of hydraulic cylinder 8, and the claw of shift fork 92 is mutually fixed with double crosslinking sliding gear.
Further, 92 top of shift fork, which is equipped with, is equipped with the mutually fixed touching stent 10 of shift fork 92, gear housing 1 in a left side
The first of right direction arrangement switchs 12, when first gear 6 is engaged with the 3rd gear 4 close to switch 11 and second is close, touching branch
Frame 10 is contacted with first close to switch 11, when second gear 7 is engaged with the 4th gear 5, the close switch of touching stent 10 and second
12 contacts.Signal is fed back to controller, controller control hydraulic cylinder 8 by first again close to switch 11 and second close to switch 12
Whether oil inlet.
Preferably, first close to switch 11 with second close to switch 12 respectively by first close to switch bracket 13 and second
It is fixed on close to switch bracket 14 on gear housing 1.
Preferably, it is whole U-shaped to touch stent 10, includes the first plate 101 and the second plate of vertical parallel arrangement
102, the bottom of the first plate 101 and the second plate 102 is equipped with the 3rd plate 103 of the first plate 101 of connection and the second plate 102, the 3rd plate
103 fix with 92 phase of shift fork, and the first plate 101 and the second plate 102 switch 12 phases with first close to switch 11 and second is close respectively
Cooperation.
Further, the diameter of first gear 6 is more than the diameter of the 3rd gear 4, and the diameter of second gear 7 is less than the 4th tooth
The diameter of wheel 5, when first gear 6 is meshed with the 3rd gear 4,7 and the 4th gear 5 of second gear is in discrete state；Second
When gear 7 is meshed with the 4th gear 5,6 and the 3rd gear 4 of first gear is in discrete state.Namely when first gear 6 with
During the 3rd 4 joggleword of gear, second gear 7 is to separate with the 4th gear 5,5 joggleword of second gear 7 and the 4th gear
When, first gear 6 is to separate with the 3rd gear 4, so will not generate very big noise during machine tool high speed operates.
Further, as shown in Fig. 2, hydraulic cylinder 8 includes cylinder body 82 and the oil for being arranged on 82 forward and backward position of cylinder body
Cylinder front cover 83 and oil cylinder rear cover 84, cylinder body 82 is interior to be equipped with piston 81, and oil cylinder front cover 83 is equipped with the first oil inlet 85 and second
Oil inlet 86, the first oil inlet 85 are connected with rodless cavity, and the second oil inlet 86 is connected with rod chamber.
The operation principle of the present invention is as follows：
As shown in Figure 1, gear housing 1 in be equipped with two-stage gear, be respectively 6 and the 3rd gear 4 of first gear, second gear 7 and
4th gear 5, when first gear 6 is engaged with the 3rd gear 4, the operation of lathe low speed；When second gear 7 and the 4th gear 5 are nibbled
During conjunction, machine tool high speed operation promotes shift fork 92 to realize the switching of two pairs of gear engagement positions by hydraulic cylinder 8.
When hydraulic oil is from 85 oil inlet of the first oil inlet, from the second oil inlet 86 it is fuel-displaced when, hydraulic oil promotes piston 81 to the right
Mobile, piston 81 drives pull rod 91 to move right with shift fork 92, and double crosslinking sliding gear moves right at this time, until second gear 7
It is meshed with the 4th gear 5, when second gear 7 is engaged with the 4th gear 5, the second plate 102 of touching stent 10 connects with second
Nearly switch 12 is in contact, and signal is fed back to controller by second close to switch 12, at this time oil pump stop to the first oil inlet 85 into
Oil thus makes lathe be switched to top gear；It is fuel-displaced from the first oil inlet 85 when hydraulic oil is from 86 oil inlet of the second oil inlet
When, hydraulic oil promotes piston 81 to be moved to the left, and piston 81 drives pull rod 91 and shift fork 92 to be moved to the left, at this time double crosslinking sliding gear
It is moved to the left, until first gear 6 is meshed with the 3rd gear 4, when first gear 6 is engaged with the 3rd gear 4, touches stent
10 the first plate 101 is in contact with first close to switch 11, and signal is fed back to controller by first close to switch 11, at this time oil pump
Stop, to 86 oil inlet of the second oil inlet, thus lathe being made to be switched to low or first gear.
The beneficial effects of the present invention are：1) hydraulic change gear device of the invention can make lathe in non-stop-machine situation
Under, the free switching in top gear and low or first gear automatically improves the automated procedures of lathe；2) after gear shift, idle tooth
Wheel group is separated, and such lathe will not generate larger noise during running at high speed.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (1)
1. a kind of hydraulic change gear device for numerically-controlled machine tool including gear housing (1), sets lubricating oil in babinet (1), special
Sign is：First gear axis (2) and second gear axis (3) equipped with vertical direction parallel arrangement in the gear housing (1),
The first gear axis (2) be equipped with double crosslinking sliding gear, the second gear axis (3) be equipped with the 3rd gear (4) with
4th gear (5), the double crosslinking sliding gear include the first gear (6) that is meshed with the 3rd gear (4) and with the 4th tooth
The second gear (7) that wheel (5) is meshed, the gear housing (1) is interior to be also integrated with hydraulic cylinder (8), the hydraulic cylinder
(8) piston (81) drives double crosslinking sliding gear sliding axially along first gear axis (2) by connector (9), to realize the
One gear (6) and the 3rd two states that gear (4) is meshed or second gear (7) is meshed with the 4th gear (5)；
The connector (9) is by the pull rod (91) that is set parallel to first gear axis (2) and is fixed on pull rod (91)
Shift fork (92) forms, and the pull rod (91) is connected with the piston (81) of hydraulic cylinder (8), the claw of the shift fork (92) and pair
Connection shifting slide gear is mutually fixed；
It is equipped with above the shift fork (92) and shift fork (92) is mutually fixed touches stent (10), on the gear housing (1)
Equipped with first arranged in left and right directions close to switch (11) with second close to switch (12), the first gear (6) and the
When three gears (4) engage, touching stent (10) is contacted with first close to switch (11), the second gear (7) and the 4th tooth
When taking turns (5) engagement, touching stent (10) is contacted with second close to switch (12)；
The touching stent (10) is whole U-shaped, includes the first plate (101) and the second plate of vertical parallel arrangement
(102), the bottom of the first plate (101) and the second plate (102) is equipped with the 3rd plate of the first plate of connection (101) and the second plate (102)
(103), the 3rd plate (103) is mutually fixed with shift fork (92), first plate (101) and the second plate (102) respectively with
First is engaged close to switch (11) and second close to switch (12)；
Lubricating oil liquid level in the gear housing (1) is located between first gear (6) and second gear (7) lower end, described
The 4th gear (5) towards the involute shape groove or protrusion that lubricating oil of outwards dishing out is set on the side of first gear (6)
(51)；Or the involute shape groove or protrusion of lubricating oil of outwards dishing out all are set on two sides of the 4th gear (5)
(51)；
The hydraulic cylinder (8) includes cylinder body (82) and the oil cylinder front cover (83) for being arranged on cylinder body (82) forward and backward position
With oil cylinder rear cover (84), piston (81) is equipped in cylinder body (82), oil cylinder front cover (83) is equipped with the first oil inlet (85) and the
Two oil inlets (86), first oil inlet (85) are connected with rodless cavity, second oil inlet (86) and rod chamber phase
Even；
Described first close to switch (11) with second close to switch (12) respectively by first close to switch bracket (13) and the
Two are fixed on close to switch bracket (14) on gear housing (1)；
The diameter of the first gear (6) is more than the diameter of the 3rd gear (4), and the diameter of the second gear (7) is less than the 4th
The diameter of gear (5), when first gear (6) is meshed with the 3rd gear (4), second gear (7) is in the 4th gear (5) divides
From state；When second gear (7) is meshed with the 4th gear (5), first gear (6) is in discrete state with the 3rd gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190594.7A CN108098427B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for numerically-controlled machine tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190594.7A CN108098427B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for numerically-controlled machine tool |
| CN201510468261.0A CN105014459B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for Digit Control Machine Tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510468261.0A Division CN105014459B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for Digit Control Machine Tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098427A true CN108098427A (en) | 2018-06-01 |
| CN108098427B CN108098427B (en) | 2019-10-22 |
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| CN201510468261.0A Active CN105014459B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for Digit Control Machine Tool |
| CN201711190594.7A Active CN108098427B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for numerically-controlled machine tool |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510468261.0A Active CN105014459B (en) | 2015-08-03 | 2015-08-03 | Hydraulic gear-shifting device for Digit Control Machine Tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971526A (en) * | 2018-09-29 | 2018-12-11 | 中山市誉胜智能科技有限公司 | Automatic gear shifting spindle box for numerical control machine tool |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI603809B (en) * | 2016-03-02 | 2017-11-01 | Spindle gearshift | |
| CN107448600A (en) * | 2017-09-12 | 2017-12-08 | 都匀东方机床有限公司 | Digital controlled planer machine gearbox hydraulic gear shifting structure |
| CN110640597B (en) * | 2019-10-12 | 2020-12-18 | 浙江欧托电气有限公司 | Polishing equipment for changing smoothness of aluminum plate by changing rotating frequency |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105014459A (en) | 2015-11-04 |
| CN108098427B (en) | 2019-10-22 |
| CN105014459B (en) | 2018-03-23 |
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