CN204976151U - A hydraulic pressure shifter for digit control machine tool - Google Patents
A hydraulic pressure shifter for digit control machine tool Download PDFInfo
- Publication number
- CN204976151U CN204976151U CN201520575607.2U CN201520575607U CN204976151U CN 204976151 U CN204976151 U CN 204976151U CN 201520575607 U CN201520575607 U CN 201520575607U CN 204976151 U CN204976151 U CN 204976151U
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- China
- Prior art keywords
- gear
- proximity switch
- plate
- machine tool
- control machine
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Abstract
The utility model relates to a hydraulic pressure shifter for digit control machine tool. Including gearbox casing, gearbox casing in be equipped with about direction parallel arrangement's first gear shaft and second gear shaft, first gear shaft on be equipped with pair sliding gear, the second gear shaft on be equipped with third gear and fourth gear, pair sliding gear include with the first gear of third gear engaged with and with fourth gear engaged with second gear, gearbox casing in still integratedly have a hydraulic cylinder, hydraulic cylinder's piston passes through the endwise slip of connecting piece drive pair sliding gear along first gear shaft to realize that first gear and third gear mesh mutually or second gear and fourth gear engaged with two types. According to the above technical scheme, the utility model discloses a hydraulic cylinder is as power components, can realize the automatic switch -over of gear under the circumstances of not shutting down, and idle gear is the phase separation after the gear shift simultaneously, has solved the problem of gear noise.
Description
Technical field
The utility model relates to Digit Control Machine Tool field, is specifically related to a kind of hydraulic shifter for Digit Control Machine Tool.
Background technology
Along with the continuous change in market, more and more higher to the requirement of numerical control atomization degree, high efficiency, height are refined, the Digit Control Machine Tool of low cost has become new lover on market.At present, the numerically controlled lathe of mechanical conversion architecture, mainly realize the electrodeless variable-speed mode on gear by the switching of gears, this kind of mode can improve the cutting moment of torque of lathe.The switching of general this gear solves by two kinds of modes: one is the mode by pulling handle, is namely changed the gears in gear by manual switching gears meshing mode; Two is switch gear by the mode of electromagnetic clutch.All there is respective shortcoming in these two kinds of modes above-mentioned: the first is by manually pulling the mode of handle, needs to stop lathe just operating, interrupted the continuity that numerical control program performs like this, reduced production efficiency; The second is that gear noise is excessive by the shortcoming that the mode of electromagnetic clutch exists, and because of in mode for this reason, working gear and not working gear conjunction portion mesh together, and which adds the noise in gear-box.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic shifter for Digit Control Machine Tool, and this shifter can realize the automatic switchover of not shutting down gear, can also solve the problem of gear noise simultaneously.
For achieving the above object, the utility model have employed following technical scheme: comprise gear housing, the first gear shaft and the second gear shaft that above-below direction is arranged in parallel is provided with in described gear housing, the first described gear shaft is provided with double crosslinking sliding gear, the second described gear shaft is provided with the 3rd gear and the 4th gear, described double crosslinking sliding gear comprises the first gear be meshed with the 3rd gear and the second gear be meshed with the 4th gear, also hydraulic jack is integrated with in described gear housing, the piston of described hydraulic jack drives double crosslinking sliding gear sliding axially along the first gear shaft by connector, to realize the first gear and the two states that the 3rd gear is meshed or the second gear is meshed with the 4th gear.
Described connector is made up of the pull bar and the shift fork be fixed on pull bar being parallel to the first gear shaft setting, and described pull bar is connected with the piston of hydraulic jack, and claw and the double crosslinking sliding gear of described shift fork fix.
The touching support fixed with shift fork is provided with above described shift fork, described gear housing is provided with the first proximity switch and the second proximity switch arranged in left and right directions, when the first described gear and the 3rd gears meshing, touching support contacts with the first proximity switch, when the second described gear and the 4th gears meshing, touching support contacts with the second proximity switch.
The first described proximity switch and the second proximity switch are fixed on gear housing respectively by the first proximity switch support and the second proximity switch support.
Described touching support entirety is U-shaped, comprise the first plate and the second plate that vertical is arranged in parallel, first plate and the bottom of the second plate are provided with the 3rd plate being connected the first plate and the second plate, the 3rd described plate and shift fork fix, and the first described plate and the second plate match with the first proximity switch and the second proximity switch respectively.
The diameter of described first gear is greater than the diameter of the 3rd gear, and the diameter of described second gear is less than the diameter of the 4th gear, and when the first gear is meshed with the 3rd gear, the second gear and the 4th gear are in released state; When second gear is meshed with the 4th gear, the first gear and the 3rd gear are in released state.
Described hydraulic jack comprises cylinder body and is arranged on oil cylinder front cover and the oil cylinder bonnet of the forward and backward position of cylinder body, piston is provided with in cylinder body, oil cylinder front cover is provided with the first oil-in and the second oil-in, the first described oil-in is connected with rodless cavity, and the second described oil-in is connected with rod chamber.
As shown from the above technical solution; the utility model adopts hydraulic jack as dynamical element; the automatic switchover of gear can be realized in non-stop-machine situation; improve the automated procedures of lathe; after gear shift simultaneously, idle gear is separated, so also solve the problem of gear noise simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model hydraulic jack.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, a kind of hydraulic shifter for Digit Control Machine Tool, comprise gear housing 1, it is characterized in that: in gear housing 1, be provided with the first gear shaft 2 and the second gear shaft 3 that above-below direction is arranged in parallel, first gear shaft 2 is provided with double crosslinking sliding gear, second gear shaft 3 is provided with the 3rd gear 4 and the 4th gear 5, double crosslinking sliding gear comprises the first gear 6 be meshed with the 3rd gear 4 and the second gear 7 be meshed with the 4th gear 5, hydraulic jack 8 is also integrated with in gear housing 1, the piston 81 of hydraulic jack 8 drives double crosslinking sliding gear sliding axially along the first gear shaft 2 by connector 9, to realize the first gear 6 and the two states that the 3rd gear 4 is meshed or the second gear 7 is meshed with the 4th gear 5.
Further, connector 9 is by being parallel to pull bar 91 that the first gear shaft 2 arranges and the shift fork 92 be fixed on pull bar 91 forms, and pull bar 91 is connected with the piston 81 of hydraulic jack 8, and claw and the double crosslinking sliding gear of shift fork 92 fix.
Further, the touching support 10 fixed with shift fork 92 is provided with above shift fork 92, gear housing 1 is provided with the first proximity switch 11 and the second proximity switch 12 arranged in left and right directions, when first gear 6 engages with the 3rd gear 4, touching support 10 contacts with the first proximity switch 11, when second gear 7 engages with the 4th gear 5, touching support 10 contacts with the second proximity switch 12.First proximity switch 11 and the second proximity switch 12 again by signal feedback to controller, controller hydraulic control oil cylinder 8 whether oil-feed.
Preferably, the first proximity switch 11 and the second proximity switch 12 are fixed on gear housing 1 respectively by the first proximity switch support 13 and the second proximity switch support 14.
Preferably, touching support 10 is overall U-shaped, comprise the first plate 101 and the second plate 102 that vertical is arranged in parallel, first plate 101 and the bottom of the second plate 102 are provided with the 3rd plate 103 being connected the first plate 101 and the second plate 102,3rd plate 103 fixes with shift fork 92, and the first plate 101 and the second plate 102 match with the first proximity switch 11 and the second proximity switch 12 respectively.
Further, the diameter of the first gear 6 is greater than the diameter of the 3rd gear 4, and the diameter of the second gear 7 is less than the diameter of the 4th gear 5, and when the first gear 6 is meshed with the 3rd gear 4, the second gear 7 and the 4th gear 5 are in released state; When second gear 7 is meshed with the 4th gear 5, the first gear 6 and the 3rd gear 4 are in released state.Namely when the first gear 6 and the 3rd gear 4 joggleword, second gear 7 is what to separate with the 4th gear 5, when the second gear 7 and the 4th gear 5 joggleword, the first gear 6 is what to separate with the 3rd gear 4, can not produce very large noise like this in the process of machine tool high speed running.
Further, as shown in Figure 2, hydraulic jack 8 comprises cylinder body 82 and is arranged on oil cylinder front cover 83 and the oil cylinder bonnet 84 of the forward and backward position of cylinder body 82, piston 81 is provided with in cylinder body 82, oil cylinder front cover 83 is provided with the first oil-in 85 and the second oil-in 86, first oil-in 85 is connected with rodless cavity, and the second oil-in 86 is connected with rod chamber.
Operation principle of the present utility model is as follows:
As shown in Figure 1, being provided with two-stage gear in gear housing 1, is the first gear 6 and the 3rd gear 4, second gear 7 and the 4th gear 5 respectively, when the first gear 6 engages with the 3rd gear 4, and lathe low cruise; When the second gear 7 engages with the 4th gear 5, machine tool high speed runs, and promotes by hydraulic jack 8 switching that shift fork 92 realizes two pairs of gear engagement position.
When hydraulic oil is from the first oil-in 85 oil-feed, time fuel-displaced from the second oil-in 86, hydraulic oil promotes piston 81 and moves right, piston 81 drives pull bar 91 and shift fork 92 to move right, now double crosslinking sliding gear moves right, until the second gear 7 is meshed with the 4th gear 5, when the second gear 7 engages with the 4th gear 5, second plate 102 of touching support 10 contacts with the second proximity switch 12, second proximity switch 12 by signal feedback to controller, now oil pump stops to the first oil-in 85 oil-feed, so just makes lathe be switched to top gear; When hydraulic oil is from the second oil-in 86 oil-feed, time fuel-displaced from the first oil-in 85, hydraulic oil promotes piston 81 and is moved to the left, piston 81 drives pull bar 91 and shift fork 92 to be moved to the left, now double crosslinking sliding gear is moved to the left, until the first gear 6 is meshed with the 3rd gear 4, when the first gear 6 engages with the 3rd gear 4, first plate 101 of touching support 10 contacts with the first proximity switch 11, first proximity switch 11 by signal feedback to controller, now oil pump stops to the second oil-in 86 oil-feed, so just makes lathe be switched to low or first gear.
The beneficial effects of the utility model are: 1) hydraulic shifter of the present utility model can make lathe in non-stop-machine situation, automatically freely switches in top gear and low or first gear, improves the automated procedures of lathe; 2), after gear shift, idle gear train is separated, and such lathe can not produce larger noise in the process of running up.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (7)
1. the hydraulic shifter for Digit Control Machine Tool, comprise gear housing (1), it is characterized in that: in described gear housing (1), be provided with the first gear shaft (2) and the second gear shaft (3) that above-below direction is arranged in parallel, described the first gear shaft (2) is provided with double crosslinking sliding gear, described the second gear shaft (3) is provided with the 3rd gear (4) and the 4th gear (5), described double crosslinking sliding gear comprises the first gear (6) be meshed with the 3rd gear (4) and the second gear (7) be meshed with the 4th gear (5), hydraulic jack (8) is also integrated with in described gear housing (1), the piston (81) of described hydraulic jack (8) drives double crosslinking sliding gear sliding axially along the first gear shaft (2) by connector (9), to realize the first gear (6) and the two states that the 3rd gear (4) is meshed or the second gear (7) is meshed with the 4th gear (5).
2. the hydraulic shifter for Digit Control Machine Tool according to claim 1, it is characterized in that: described connector (9) is by being parallel to pull bar (91) that the first gear shaft (2) arranges and the shift fork (92) be fixed on pull bar (91) forms, described pull bar (91) is connected with the piston (81) of hydraulic jack (8), and claw and the double crosslinking sliding gear of described shift fork (92) fix.
3. the hydraulic shifter for Digit Control Machine Tool according to claim 2, it is characterized in that: described shift fork (92) top is provided with the touching support (10) fixed with shift fork (92), described gear housing (1) is provided with the first proximity switch (11) and the second proximity switch (12) arranged in left and right directions, when described the first gear (6) engages with the 3rd gear (4), touching support (10) contacts with the first proximity switch (11), when described the second gear (7) engages with the 4th gear (5), touching support (10) contacts with the second proximity switch (12).
4. the hydraulic shifter for Digit Control Machine Tool according to claim 3, is characterized in that: described the first proximity switch (11) is fixed on gear housing (1) respectively by the first proximity switch support (13) and the second proximity switch support (14) with the second proximity switch (12).
5. the hydraulic shifter for Digit Control Machine Tool according to claim 3, it is characterized in that: described touching support (10) is overall U-shaped, comprise the first plate (101) and the second plate (102) that vertical is arranged in parallel, first plate (101) and the bottom of the second plate (102) are provided with the 3rd plate (103) being connected the first plate (101) and the second plate (102), the 3rd described plate (103) and shift fork (92) fix, described the first plate (101) and the second plate (102) match with the first proximity switch (11) and the second proximity switch (12) respectively.
6. the hydraulic shifter for Digit Control Machine Tool according to claim 1, it is characterized in that: the diameter of described first gear (6) is greater than the diameter of the 3rd gear (4), the diameter of described second gear (7) is less than the diameter of the 4th gear (5), when first gear (6) is meshed with the 3rd gear (4), the second gear (7) and the 4th gear (5) are in released state; When second gear (7) is meshed with the 4th gear (5), the first gear (6) and the 3rd gear (4) are in released state.
7. according to the hydraulic shifter for Digit Control Machine Tool in claim 1-6 described in any one, it is characterized in that: described hydraulic jack (8) comprises cylinder body (82) and be arranged on cylinder body (82) front, oil cylinder front cover (83) and the oil cylinder bonnet (84) of rear position, piston (81) is provided with in cylinder body (82), oil cylinder front cover (83) is provided with the first oil-in (85) and the second oil-in (86), described the first oil-in (85) is connected with rodless cavity, described the second oil-in (86) is connected with rod chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575607.2U CN204976151U (en) | 2015-08-03 | 2015-08-03 | A hydraulic pressure shifter for digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575607.2U CN204976151U (en) | 2015-08-03 | 2015-08-03 | A hydraulic pressure shifter for digit control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204976151U true CN204976151U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520575607.2U Expired - Fee Related CN204976151U (en) | 2015-08-03 | 2015-08-03 | A hydraulic pressure shifter for digit control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204976151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498362A (en) * | 2017-09-27 | 2017-12-22 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
-
2015
- 2015-08-03 CN CN201520575607.2U patent/CN204976151U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498362A (en) * | 2017-09-27 | 2017-12-22 | 上海明索重型机械股份有限公司 | The main shaft gear shifting structure of Digit Control Machine Tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170803 |