CN201552460U - Variable feeding mechanism - Google Patents
Variable feeding mechanism Download PDFInfo
- Publication number
- CN201552460U CN201552460U CN2009202525418U CN200920252541U CN201552460U CN 201552460 U CN201552460 U CN 201552460U CN 2009202525418 U CN2009202525418 U CN 2009202525418U CN 200920252541 U CN200920252541 U CN 200920252541U CN 201552460 U CN201552460 U CN 201552460U
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- gear
- duplicate
- shift fork
- level
- shaft
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Abstract
A variable feeding mechanism comprises a feeding box body, a plurality of transmission shafts and a gear shift mechanism; a transmission gear is connected to the transmission shafts; and the variable feeding mechanism further comprises a cam box body, a controlling cam, a left shift fork, a right shift fork, a secondary left duplicate gear II, a secondary left duplicate gear III, a primary right duplicate gear II, a primary right duplicate gear I, a secondary right duplicate gear I, a secondary right duplicate gear II, a primary left duplicate gear I, a primary left duplicate gear II, a secondary right gear, a spline shaft, a core shaft, a clutch shaft, a cam shaft, a worm wheel shaft, a shifting slide gear, a worm and worm wheel; and the controlling cam is mounted in the cam box body. The variable feeding mechanism has the advantages that the structure is compact; moreover, all the speed adjustments can be achieved only by controlling a handle, thereby achieving convenient control, and greatly improving working efficiency.
Description
Technical field
The utility model relates to a kind of mechanical device, relates in particular to the feed change mechanism that a kind of lathe uses.
Background technology
The structure of common feed change mechanism comprises casing, many rooted teeth wheel shaft, be connected with gear on the gear shaft, gear is divided into the input tooth according to function, output gear, driving cog, the slippage tooth, power input shaft conducts power to driving cog by the input tooth on it, change the control that realizes the output gear rotating speed by the tooth ratio between the driving cog, in order to realize many grades of adjustings to the output gear rotating speed, design has handle on the gearbox, handle pulls out sheet by linkage and gear shift and links to each other, the part driving cog can slide on key becomes the slippage tooth, and the slippage tooth is meshing with each other the different flank of tooth of interlock and higher level or subordinate's gear.Thereby the sheet control slippage tooth that links to each other with the slippage tooth is pulled out in gear shift, finally can realize multistage rotating speed output.
The gear structure of above-mentioned structure is comparatively complicated, and owing to be limited by the structure of shift-position changing mechanism, its output stage that can realize is inferior few, can not satisfy need of work; Because advance and retreat speed is identical, makes operating efficiency not high in process.
Summary of the invention
The purpose of this utility model provide a kind of control simple, can realize the feed change mechanism of giving up the throne fast.
The technical scheme that the utility model is taked is as follows:
A kind of feed change mechanism, it comprises the feeding casing, the root power transmission shaft, shifter, be connected with travelling gear on the power transmission shaft, its feature is being: it also comprises cam box, handle cam, left side shift fork, right shift fork, secondary the second from left duplicate gear, a secondary left side three duplicate gears, right two duplicate gears of one-level, the right duplex gear of one-level, the right duplex gear of secondary, right two duplicate gears of secondary, one-level the first from left duplicate gear, one-level the second from left duplicate gear, the secondary right gear, splined shaft, mandrel, clutch shaft, camshaft, worm-wheel shaft, shifting slide gear, worm screw, worm gear, handling cam is installed in the cam box, the feeding handle set is installed in the other end of handling cam, left side shift fork, right shift fork links to each other with the manipulation cam with roller by pin, left side shift fork, right shift fork is installed on the mandrel, left side shift fork, right shift fork moves by feather key on mandrel, right shift fork links to each other with shifting slide gear, shifting slide gear is installed on the clutch shaft, shifting slide gear is while and the right duplex gear of secondary also, right two duplicate gears of secondary, an engagement in the secondary right gear, right two duplicate gears of secondary link to each other with the right duplex gear of secondary by right two duplicate gears of one-level, and the right duplex gear of secondary links to each other with the secondary right gear by the right duplex gear of one-level; Left side electromagnetic clutch, right electromagnetic clutch key are connected the opposite side of clutch shaft; Right shift fork is stirred shifting slide gear and is moved on clutch shaft, left side shift fork links to each other with secondary the second from left duplicate gear, a secondary left side three duplicate gears on being installed in splined shaft, secondary the second from left duplicate gear is stirred in the flank of tooth on secondary the second from left duplicate gear, a secondary left side three duplicate gears and one-level the first from left duplicate gear or the engagement of one-level the second from left duplicate gear, left shift fork, a secondary left side three duplicate gears move on splined shaft; One-level left gear on the worm gear pole links to each other with secondary linkage gear on the splined shaft, and tertiary gear fixing on secondary linkage gear and the clutch shaft is connected; Clutch shaft passes feeding casing one end and is fixed with output gear; Worm gear is installed on the worm-wheel shaft, and worm gear links to each other with worm screw, and worm screw is installed on the axle of motor.
In said gear, right two duplicate gears of one-level, the right duplex gear of one-level, the right duplex gear of secondary, secondary gear, secondary linkage gear, tertiary gear all are connected with its place axle by bearing, on clutch shaft, left end also designs the half-clutch device that matches with right electromagnetic clutch to shifting slide gear on the axle sleeve by sleeve supporting.
The advantage of this device is a compact conformation, handles the adjusting that a handle can be finished all speed, and handiness has improved operating efficiency greatly.
Description of drawings
Fig. 1 is the feed mechanism axial view;
Fig. 2 launches view for feed mechanism;
Fig. 3 is for handling the cam structure schematic diagram.
The specific embodiment
Below in conjunction with instantiation and accompanying drawing this feed mechanism is further described.
As Fig. 1, Fig. 2, shown in Figure 3 a kind of feed change mechanism, it comprises feeding casing 4, the root power transmission shaft, shifter, be connected with travelling gear on the power transmission shaft, it also comprises cam box 1, handle cam 21, left side shift fork 20, right shift fork 22, secondary the second from left duplicate gear 13, a secondary left side three duplicate gears 14, right two duplicate gears 24 of one-level, the right duplex gear 25 of one-level, the right duplex gear 27 of secondary, right two duplicate gears 28 of secondary, one-level the first from left duplicate gear 29, one-level the second from left duplicate gear 30, secondary right gear 26, splined shaft 2, mandrel 7, clutch shaft 8, camshaft 6, worm-wheel shaft 3, shifting slide gear 19, worm screw 9, worm gear 10.Handle cam 21 and be installed in the cam box 1, feeding handle set 23 is installed in the other end of handling cam 21, and left shift fork 20, right shift fork 22 link to each other with manipulation cam 21 with roller by pin.Left side shift fork 20, right shift fork 22 are installed on the mandrel 7, and left shift fork 20, right shift fork 22 move by feather key on mandrel 7.Right shift fork 22 links to each other with shifting slide gear 19, shifting slide gear 19 is installed on the clutch shaft 8, shifting slide gear 19 also simultaneously and an engagement in the right duplex gear 27 of secondary, the secondary right side two duplicate gears 28, secondary right gear 26, right two duplicate gears 28 of secondary link to each other with the right duplex gear 27 of secondary by right two duplicate gears 24 of one-level, and the right duplex gear 27 of secondary links to each other with secondary right gear 26 by the right duplex gear 25 of one-level; Left side electromagnetic clutch 15, right electromagnetic clutch 16 are installed in the opposite side of clutch shaft 8; Right shift fork 22 is stirred shifting slide gear 19 and is moved on clutch shaft 8, left side shift fork 20 links to each other with secondary the second from left duplicate gear 13, a secondary left side three duplicate gears 14 on being installed in splined shaft 2, secondary the second from left duplicate gear is stirred in the flank of tooth on secondary the second from left duplicate gear 13, a secondary left side three duplicate gears 14 and one-level the first from left duplicate gear or the engagement of one-level the second from left duplicate gear, left shift fork 20, a secondary left side three duplicate gears move on splined shaft 2; One-level left gear 11 on the worm-wheel shaft 3 links to each other with secondary linkage gear 12 on the splined shaft, and tertiary gear 17 fixing on secondary linkage gear 12 and the clutch shaft is connected; Clutch shaft passes feeding casing one end and is fixed with output gear 18; Worm gear 10 is installed on the worm-wheel shaft 3, and worm gear 10 links to each other with worm screw 9, and worm screw 9 is installed on the axle of motor 5.
When mechanism's work is advanced in the needs feeding, press electrical appliance button, make right electromagnetic clutch 16 adhesives, power reaches worm screw 9 by motor like this, handle cam 21 drive shift forks along the track of handling cam to ad-hoc location, make secondary the second from left duplicate gear 13, a secondary left side three duplicate gears 14 mesh with one-level the first from left duplicate gear 29 or one-level the second from left duplicate gear 30 respectively, so just obtain 4 kinds of rotating speeds, power is by one-level the first from left duplicate gear 29, one-level the second from left duplicate gear 30 reaches the right duplex gear 28 of splined shaft 2 right-hand member secondarys, duplicate gear 28 directly or by right two duplicate gears 24 of the one-level on the worm-wheel shaft 3 or the right duplex gear 25 of one-level meshes indirectly and right duplex gear 27 of secondary or secondary gear 26, come out to obtain 3 kinds of speed from splined shaft like this, give output gear 18 by shifting slide gear 19 transferring power then, finally can just obtain 12 kinds of speed from clutch shaft 8.In addition when the needs fast forward speed, the control apparatus button makes left electromagnetic clutch 15 engagements, control apparatus will cut off right electromagnetic clutch 16 automatically, like this, power reaches one-level left gear 11 by worm gear 10 through worm-wheel shaft 3 and is passed to output gear 18 through secondary linkage gear 12, tertiary gear 17, because this road power transmission tooth ratio is provided with relation, its output speed is higher, can realize the rapid movement of each slide.
Claims (2)
1. feed change mechanism, it comprises feeding casing (4), the root power transmission shaft, shifter, be connected with travelling gear on the power transmission shaft, it is characterized in that: it also comprises cam box (1), handle cam (21), left side shift fork (20), right shift fork (22), secondary the second from left duplicate gear (13), a secondary left side three duplicate gears (14), right two duplicate gears (24) of one-level, the right duplex gear (25) of one-level, the right duplex gear (27) of secondary, right two duplicate gears (28) of secondary, one-level the first from left duplicate gear (29), one-level the second from left duplicate gear (30), secondary right gear (26), splined shaft (2), mandrel (7), clutch shaft (8), camshaft (6), worm-wheel shaft (3), shifting slide gear (19), worm screw (9), worm gear (10), handling cam (21) is installed in the cam box (1), feeding handle set (23) is installed in the other end of handling cam (21), left side shift fork (20), right shift fork (22) links to each other with manipulation cam (21) with roller by pin, left side shift fork (20), right shift fork (22) is installed on the mandrel (7), left side shift fork (20), right shift fork (22) is gone up at mandrel (7) and is moved by feather key, right shift fork (22) links to each other with shifting slide gear (19), shifting slide gear (19) is installed on the clutch shaft (8), shifting slide gear (19) is while and the right duplex gear (27) of secondary also, right two duplicate gears (28) of secondary, an engagement in the secondary right gear (26), right two duplicate gears of secondary (28) link to each other by the right duplex gear (27) of right two duplicate gears of one-level (24) and secondary, and the right duplex gear (27) of secondary links to each other with secondary right gear (26) by the right duplex gear (25) of one-level; Left side electromagnetic clutch (15), right electromagnetic clutch (16) key are connected the opposite side of clutch shaft (8); Right shift fork (22) is stirred shifting slide gear (19) and is gone up mobile at clutch shaft (8), left side shift fork (20) links to each other with left three duplicate gears of secondary the second from left duplicate gear (13), secondary (14) on being installed in splined shaft (2), secondary the second from left duplicate gear is stirred in the flank of tooth on secondary the second from left duplicate gear (13), a secondary left side three duplicate gears (14) and one-level the first from left duplicate gear or the engagement of one-level the second from left duplicate gear, left shift fork (20), a secondary left side three duplicate gears are gone up at splined shaft (2) and moved; One-level left gear (11) on the worm-wheel shaft (3) links to each other with secondary linkage gear (12) on the splined shaft, and tertiary gear (17) fixing on secondary linkage gear (12) and the clutch shaft is connected; Clutch shaft passes feeding casing one end and is fixed with output gear (18); Worm gear (10) is installed on the worm-wheel shaft (3), and worm gear (10) links to each other with worm screw (9), and worm screw (9) is installed on the axle of motor (5).
2. a kind of feed change according to claim 1 mechanism, it is characterized in that: right two duplicate gears (24) of one-level, the right duplex gear (25) of one-level, the right duplex gear (27) of secondary, secondary gear (26), secondary linkage gear (12), tertiary gear (17) all are connected with its place axle by bearing, on clutch shaft, left end also designs the half-clutch device that matches with right electromagnetic clutch (16) to shifting slide gear (19) on the axle sleeve by sleeve supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525418U CN201552460U (en) | 2009-11-04 | 2009-11-04 | Variable feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525418U CN201552460U (en) | 2009-11-04 | 2009-11-04 | Variable feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201552460U true CN201552460U (en) | 2010-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202525418U Expired - Fee Related CN201552460U (en) | 2009-11-04 | 2009-11-04 | Variable feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201552460U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873576A (en) * | 2012-10-10 | 2013-01-16 | 山东临沂金星机床有限公司 | Feed change unit for fast metric/english conversion of small machine tool |
| CN103758946A (en) * | 2014-01-22 | 2014-04-30 | 南通西马特机器制造有限公司 | Single-handle operated 12-level gear shift mechanism |
| CN104196973A (en) * | 2014-08-23 | 2014-12-10 | 甘肃恒跃制药设备有限公司 | Novel pill rolling mechanism of pill making machine |
| CN104476297A (en) * | 2014-12-14 | 2015-04-01 | 遵义金惠机械制造有限责任公司 | Lathe head gearbox operation and control mechanism |
| CN105889500A (en) * | 2014-10-28 | 2016-08-24 | 盐城工业职业技术学院 | Combined control mechanism for multi-gear sliding gear |
-
2009
- 2009-11-04 CN CN2009202525418U patent/CN201552460U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873576A (en) * | 2012-10-10 | 2013-01-16 | 山东临沂金星机床有限公司 | Feed change unit for fast metric/english conversion of small machine tool |
| CN102873576B (en) * | 2012-10-10 | 2015-06-03 | 山东临沂金星机床有限公司 | Feed change unit for fast metric/English conversion of small machine tool |
| CN103758946A (en) * | 2014-01-22 | 2014-04-30 | 南通西马特机器制造有限公司 | Single-handle operated 12-level gear shift mechanism |
| CN104196973A (en) * | 2014-08-23 | 2014-12-10 | 甘肃恒跃制药设备有限公司 | Novel pill rolling mechanism of pill making machine |
| CN105889500A (en) * | 2014-10-28 | 2016-08-24 | 盐城工业职业技术学院 | Combined control mechanism for multi-gear sliding gear |
| CN105889500B (en) * | 2014-10-28 | 2018-07-06 | 盐城工业职业技术学院 | The composite control mechanism of multi-joint shifting slide gear |
| CN104476297A (en) * | 2014-12-14 | 2015-04-01 | 遵义金惠机械制造有限责任公司 | Lathe head gearbox operation and control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101104 |