CN201309012Y - Driller feed variable speed transmission device - Google Patents
Driller feed variable speed transmission device Download PDFInfo
- Publication number
- CN201309012Y CN201309012Y CNU200820217816XU CN200820217816U CN201309012Y CN 201309012 Y CN201309012 Y CN 201309012Y CN U200820217816X U CNU200820217816X U CN U200820217816XU CN 200820217816 U CN200820217816 U CN 200820217816U CN 201309012 Y CN201309012 Y CN 201309012Y
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- gear
- hollow shaft
- variable speed
- gear mechanism
- change
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Abstract
The utility model relates to a driller feed variable speed transmission device, belonging to the technical field of driller, which is characterized by comprising a feed variable speed support; a toggle mechanism arranged on the feed variable speed support; and a variable speed gear mechanism comprising a shift gear group meshed with the steel balls on a hollow shaft and provided with at least three shifts, and a transmission gear group provided in the output transmission gear mechanism and meshed with the shift gear group of the variable speed gear mechanism, wherein a shift handle shaft of the shift mechanism is meshed with a shift gear shaft of the variable speed gear mechanism; an input worm gear of the variable speed gear mechanism is meshed with an output worm rod of the main transmission system; the worm rod of the output transmission gear mechanism is meshed with the output worm gear. The driller feed variable speed transmission device has compact spatial structure, flexible shifting operation, reliable shifting and positioning, and multi-shift speed change for satisfying machining demands, and the driller feed variable speed transmission device comprises a feed overload protection device which can be adjusted according to demands; the multi-shift speed change function is provided with a neutral position lower than the variable speed position by one level; and the neutral position is provided with a manual fine adjustment feed mechanism.
Description
Technical field
The utility model relates to a kind of drilling machine feed change transmission device, is mainly used in the drilling machine feed change transmission, and be the important composition parts of drilling machine, belong to the drilling machine technical field.
Background technology
At present, traditional drilling machine feed change transmission generally adopts the gear slipping mechanism to realize, this structure takes up room greatly, and there are deficiencies such as producing gearshift is difficult, the gearshift location is unreliable, the accelerated wear test of shift fork single face in vertical the arranging of gear employing because of the influence of being conducted oneself with dignity during the shifting slide gear gearshift; Simultaneously, be subjected to the influence of structure space, speed change generally has only 2～3 retainings, does not satisfy the requirement of processing needs; And traditional drilling machine feed change transmission generally is not provided with micro-feed mechanism.
Summary of the invention
The purpose of this utility model provides a kind of drilling machine feed change transmission device, solve deficiencies such as existing drilling machine feed change transmission structures space is big, gearshift is dumb, the location is unreliable, the speed change gear is few, by the utility model make the space structure compactness, handle variable block flexibly, reliable, the multi-gear transmission in gearshift location, and be provided with the feeding overload protection arrangement and can adjust as required; Simultaneously, in multi-gear transmission, be provided with neutral, be provided with the manual fine-tuning feed mechanism at neutral gear position.
The purpose of this utility model is achieved through the following technical solutions, a kind of drilling machine feed change transmission device, it is characterized in that, described device is by the feed change support, the toggle mechanism that is provided with on the feed change support, the driving gear set in the change gear mechanism that comprises the variable block gear trains that are no less than three retainings that meshed by steel ball on the hollow shaft that is provided with between the speed change support and the output drive gear mechanism of the engagement of the variable block gear train in the change gear mechanism constitutes; Stirring in the toggle mechanism stirred the tooth axle in the Handle axis engagement change gear mechanism, the input worm gear in the change gear mechanism and the output worm engaging in the main transmission, and the worm screw in the output drive gear mechanism meshes with the output worm gear.
Toggle mechanism is made of the Handle axis of stirring of stirring the engagement of tooth axle of passing in feed change support and the change gear mechanism that is arranged on the outer handle of feed change support, handle connection.
Change gear mechanism comprises hollow shaft, be fixed on the input worm gear on the hollow shaft, the variable block gear that is nested with successively, the taper hole of corresponding each variable block gear on the axial walls of hollow shaft, the steel ball of wherein inserting in the taper hole, outside hollow shaft, insert in the hollow shaft stir in tooth axle, the hollow shaft stir the tooth axle head fixing stir roll sleeve, the two ends of hollow shaft through bearing fixing on the speed change support.
Steel ball in the hollow shaft taper hole is lower than the hollow shaft periphery in free state.
Have three sections grooves that touch mutually with steel ball that do not communicate on the shaft hole inner wall circumference of each the variable block gear in the variable block gear train.
Stir roll sleeve and seemingly be dolioform, be slidingly matched with hollow shaft.
Stir on the side of tooth axle some locating slots be set, have vestibule on the corresponding speed change support, built-in spring and locking ball in the vestibule, locking ball respectively with each locating slot location that coincide.
Output drive gear mechanism comprises duplex tooth axle, the driving gear set of the variable block gear train in the adjustment thread bush that is nested with successively on the duplex tooth axle, disk spring, friction washer, worm screw, disk spring and the corresponding change gear mechanism, duplex tooth beam warp bearing fixing is on the speed change support.
The utility model power is imported into by the output worm screw in the main transmission, passes to hollow shaft through input worm gear and screw, and hollow shaft and variable block gear are realized the transmission and the off-gear of moment of torsion by steel ball.Steel ball is positioned at the taper hole on the hollow shaft wall thickness, is lower than the hollow shaft periphery under the free state, and three sections grooves that do not communicate are arranged in the variable block gear hole, and it is placed on the hollow shaft.Have only when the steel ball on the hollow shaft during by jack-up, steel ball could transmit moments of torsion by the inner three sections grooves that do not communicate of variable block gear, otherwise hollow shaft and variable block gear only are in empty cover state (neutral gear position).Handle axis is stirred in rotation, pass through pinion and rack, the tooth axle is stirred in pulling, the sky cover of stirring on the tooth axle is stirred roll sleeve jack-up steel ball, stir roll sleeve and toggle it to the position (position is determined by stirring locating slot on the tooth axle and locking ball) of different gear pairs, corresponding gear pair carries out the moment of torsion transmission on the hollow shaft, thereby obtains different feeding rotating speeds.After the speed change, pass to worm screw by friction washer, worm screw drives the rotation of output worm gear, and the output worm gear passes to the socket teeth axle, and the socket teeth axle drives sleeve (main shaft) and realizes feeding.When being in the variable block position, have only steel ball could be realized the moment of torsion transmission to gear pair by that of jack-up, all the other each gear pair all is in empty cover engagement; When being in neutral gear position, could realize finely tuning feeding by rotating duplex tooth axle.The feeding overload protection is mainly adjusted the decrement that thread bush is adjusted disk spring by rotation, thereby the moment of torsion that change friction washer and worm screw are transmitted is realized
The needs that the utility model space structure compactness, manipulation variable block are flexibly, the gearshift location is reliable, multi-gear transmission satisfies processing request; and be provided with the feeding overload protection arrangement and can adjust as required; simultaneously; in multi-gear transmission, be provided with and be less than the neutral that speed change is kept off, be provided with the manual fine-tuning feed mechanism at neutral gear position.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 stirs roll sleeve and steel ball and corresponding variable block gear part structure for amplifying schematic diagram for what stir the tooth axle head in the utility model;
Fig. 3 is that A-A among Fig. 1 is to structural representation;
Among the figure, 1 feed change support, 2 worm screws, 3 friction washers, 4 duplex tooth axles, 5 adjust thread bush, 6 disk springs, 7 locking balls, 8 stir the tooth axle, 9 stir Handle axis, 10 hollow shafts, 11 input worm gears, 12 power output worm screw, 13 screws, 14 variable block gears, 15 variable block gears, 16 variable block gears, 17 stir roll sleeve, 18 steel balls, 19 variable block gears, 20 variable block gears, 21 variable block gears, 22 travelling gears, 23 driving keys, 24 travelling gears, 25 travelling gears, 26 travelling gears, 27 output worm gears, 28 socket teeth axles.
The specific embodiment
Further specify the utility model in conjunction with the accompanying drawings and embodiments, as shown in Figure 1, the utility model is by feed change support 1, the toggle mechanism that is provided with on the feed change support 1, the travelling gear 22,24,25,26 in the output drive gear mechanism that change gear mechanism of being made up of six retaining variable block gears 14,15,16,19,20,21 of 18 engagements of steel ball on the hollow shaft 10 the comprising of 1 setting of speed change support and six retaining variable block gear trains in the change gear mechanism mesh constitutes; Toggle mechanism is made of the Handle axis 9 of stirring of stirring 8 engagements of tooth axle of passing in feed change support 1 and the change gear mechanism that the handle, the handle that are arranged on outside the feed change support 1 connect; Change gear mechanism comprises hollow shaft 10, be fixed on the input worm gear 11 on the hollow shaft 10, the variable block gear 14,15,16,19,20,21 that is nested with successively, the taper hole of corresponding each variable block gear on the axial walls of hollow shaft 10, the steel ball 18 of wherein inserting in the taper hole, outside hollow shaft 10, insert in the hollow shaft 10 stir in tooth axle 8, the hollow shaft 10 stir tooth axle 8 ends fixing stir roll sleeve 17, the two ends of hollow shaft 10 through bearing fixing on speed change support 1.
Power is imported into by the output of the power in main transmission worm screw 12, passes to hollow shaft 10 through input worm gear 11 and screw 13, and hollow shaft 10 and variable block gear 14,15,16,19,20,21 are realized the transmission and the off-gear of moment of torsion by steel ball 18.As shown in Figure 2, steel ball 18 is positioned at the taper hole on hollow shaft 10 wall thickness, is lower than hollow shaft 10 external cylindrical surfaces under the free state, and the variable block gear has three sections grooves that do not communicate in 14,15,16,19,20,21 holes, and it is placed on the hollow shaft 10.Have only when the steel ball on the hollow shaft 10 18 during by jack-up, as shown in Figure 3, steel ball 18 could transmit moment of torsion by variable block gear 14,15,16,19,20,21 inner three sections grooves that do not communicate, otherwise, hollow shaft 10 and variable block gear 14,15,16,19,20,21 only are in empty cover state, i.e. neutral gear position.Handle axis 9 is stirred in rotation, and by pinion and rack, tooth axle 8 is stirred in pulling, and the sky cover of stirring on the tooth axle 8 is stirred roll sleeve 17 jack-up steel balls 18, stirs roll sleeve 17 and seemingly is dolioform, is slidingly matched with hollow shaft 10.Stir on the side of tooth axle 18 some locating slots are set, has vestibule on the corresponding speed change support 1, built-in spring and locking ball 7 in the vestibule, locking ball 7 coincide with each locating slot respectively and locatees, stir roll sleeve 17 and toggle it to the position of different gear pairs, the position is determined by locating slot and the locking ball 7 stirred on the tooth axle 8.Corresponding gear pair carries out the moment of torsion transmission on the hollow shaft 10, thereby obtains different feeding rotating speeds.After the speed change, pass to worm screw 2 by friction washer 3, worm screw 2 drives 27 rotations of output worm gear, and output worm gear 27 passes to socket teeth axle 28, and socket teeth axle 28 drives sleeve (main shaft) and realizes feeding.When being in the variable block position, have only steel ball 18 could be realized the moment of torsion transmission to gear pair by that of jack-up, all the other each gear pair all is in empty cover engagement; When being in neutral gear position, could realize finely tuning feeding by rotating duplex tooth axle 4.The feeding overload protection is mainly adjusted the decrement that thread bush 5 is adjusted disk spring 6 by rotation, thereby the moment of torsion that change friction washer 3 and worm screw 2 are transmitted is realized.
Claims (8)
1, a kind of drilling machine feed change transmission device, it is characterized in that, described device is by the feed change support, the toggle mechanism that is provided with on the feed change support, the driving gear set in the change gear mechanism that comprises the variable block gear trains that are no less than three retainings that meshed by steel ball on the hollow shaft that is provided with between the speed change support and the output drive gear mechanism of the engagement of the variable block gear train in the change gear mechanism constitutes; Stirring in the toggle mechanism stirred the tooth axle in the Handle axis engagement change gear mechanism, the input worm gear in the change gear mechanism and the output worm engaging in the main transmission, and the worm screw in the output drive gear mechanism meshes with the output worm gear.
2, drilling machine feed change transmission device according to claim 1, it is characterized in that toggle mechanism is made of the Handle axis of stirring of stirring the engagement of tooth axle of passing in feed change support and the change gear mechanism that is arranged on the outer handle of feed change support, handle connection.
3, drilling machine feed change transmission device according to claim 1, it is characterized in that, change gear mechanism comprises hollow shaft, be fixed on the input worm gear on the hollow shaft, the variable block gear that is nested with successively, the taper hole of corresponding each variable block gear on the axial walls of hollow shaft, the steel ball of wherein inserting in the taper hole, outside hollow shaft, insert in the hollow shaft stir in tooth axle, the hollow shaft stir the tooth axle head fixing stir roll sleeve, the two ends of hollow shaft through bearing fixing on the speed change support.
According to claim 1 or 3 described drilling machine feed change transmission devices, it is characterized in that 4, the steel ball in the hollow shaft taper hole is lower than the hollow shaft periphery under free state.
5, according to claim 1 or 3 described drilling machine feed change transmission devices, it is characterized in that having three sections grooves that touch mutually with steel ball that do not communicate on the shaft hole inner wall circumference of each the variable block gear in the variable block gear train.
6, drilling machine feed change transmission device according to claim 3 is characterized in that, stirs roll sleeve and is dolioform, is slidingly matched with hollow shaft.
7, according to claim 1 or 3 described drilling machine feed change transmission devices, it is characterized in that, stir on the side of tooth axle some locating slots are set to have vestibule on the corresponding speed change support, built-in spring and locking ball in the vestibule, locking ball coincide with each locating slot respectively and locate.
8, drilling machine feed change transmission device according to claim 1, it is characterized in that, output drive gear mechanism comprises duplex tooth axle, the driving gear set of the variable block gear train in the adjustment thread bush that is nested with successively on the duplex tooth axle, disk spring, friction washer, worm screw, disk spring and the corresponding change gear mechanism, duplex tooth beam warp bearing fixing is on the speed change support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820217816XU CN201309012Y (en) | 2008-11-11 | 2008-11-11 | Driller feed variable speed transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820217816XU CN201309012Y (en) | 2008-11-11 | 2008-11-11 | Driller feed variable speed transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201309012Y true CN201309012Y (en) | 2009-09-16 |
Family
ID=41106264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820217816XU Expired - Fee Related CN201309012Y (en) | 2008-11-11 | 2008-11-11 | Driller feed variable speed transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201309012Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722213A (en) * | 2013-12-27 | 2014-04-16 | 台州飞达机床有限公司 | Variable-speed automatic cutter feeding device of bench drill |
| CN108825725A (en) * | 2016-11-29 | 2018-11-16 | 江苏华源节水股份有限公司 | A kind of middle-size and small-size sprinkling irrigation machine gearbox |
-
2008
- 2008-11-11 CN CNU200820217816XU patent/CN201309012Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722213A (en) * | 2013-12-27 | 2014-04-16 | 台州飞达机床有限公司 | Variable-speed automatic cutter feeding device of bench drill |
| CN103722213B (en) * | 2013-12-27 | 2015-12-16 | 台州飞达机床有限公司 | A kind of variable-ratio automatic feeder of bench drill |
| CN108825725A (en) * | 2016-11-29 | 2018-11-16 | 江苏华源节水股份有限公司 | A kind of middle-size and small-size sprinkling irrigation machine gearbox |
| CN108825726A (en) * | 2016-11-29 | 2018-11-16 | 江苏华源节水股份有限公司 | A kind of middle-size and small-size reel sprinkling irrigation machine gearbox |
| CN109296710A (en) * | 2016-11-29 | 2019-02-01 | 江苏华源节水股份有限公司 | A kind of middle-size and small-size sprinkler with reel gearbox |
| CN109296709A (en) * | 2016-11-29 | 2019-02-01 | 江苏华源节水股份有限公司 | A kind of reel sprinkling irrigation machine gearbox |
| CN109307049A (en) * | 2016-11-29 | 2019-02-05 | 江苏华源节水股份有限公司 | A kind of sprinkler with reel gearbox |
| CN109538710A (en) * | 2016-11-29 | 2019-03-29 | 江苏华源节水股份有限公司 | A kind of middle-size and small-size irrigation sprinkler sliding manual transmission |
| CN109538709A (en) * | 2016-11-29 | 2019-03-29 | 江苏华源节水股份有限公司 | A kind of sprinkling irrigation machine gearbox |
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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 |
Granted publication date: 20090916 Termination date: 20161111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |