CN204075297U - There is the bench drill of self-acting feed function - Google Patents
There is the bench drill of self-acting feed function Download PDFInfo
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- CN204075297U CN204075297U CN201420536023.XU CN201420536023U CN204075297U CN 204075297 U CN204075297 U CN 204075297U CN 201420536023 U CN201420536023 U CN 201420536023U CN 204075297 U CN204075297 U CN 204075297U
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Abstract
The utility model discloses a kind of bench drill with self-acting feed function, comprise initiatively running part and feed motion part; Initiatively running part comprises and being arranged in casing and the main shaft that can move up and down, and main shaft one end is stretched out outside casing, and this end is provided with spindle pulley, and spindle pulley is connected with motor output shaft by belt; Main shaft in casing is installed in rack sleeve, and a side of rack sleeve is provided with tooth bar; Feed motion part comprises the stepped gear shaft be arranged in casing, wheel and rack on this gear shaft is meshed, gear shaft is also respectively equipped with manual mode is separated, auto state engages worm gear and handle set, it is matched in clearance between worm gear and gear shaft, worm gear dallies around gear shaft, worm gear and handle set corresponding end are equipped with the end tooth that auto state can be meshed, worm gear and worm engaging, worm screw is connected with described motor output shaft by a gear.Its both can self-acting feed also can manual feed, easy switching.
Description
Technical field
The utility model relates to a kind of bench drill, especially a kind of bench drill with self-acting feed function.
Background technology
At present, bench drill scarcely has self-acting feed function, needs hand rotation handle during boring, realizes tool feeding motion.For the operation in batch machining, the bench drill of use, hand feed labour intensity is large, efficiency is low.
Chinese patent 201098748Y discloses a kind of bench drill, and it realizes self-acting feed function by the mechanism of a set of complexity, and manufacture processing inconvenient, cost is high, and is difficult to after damaging repair.
Chinese patent 201950243U discloses a kind of automatic feed drilling machine, comprise motor, motor is provided with belt pulley, belt pulley is connected with spindle pulley by belt, spindle pulley is fixed on main shaft, the spindle jacket being positioned at main spindle box is provided with sleeve, main spindle box is provided with the micro machine be connected with motor by electric box, micro machine is fixed with shaft gear, shaft gear and gears meshing, gear coordinates with can be formed under the control of the handle of the clutch be located on gear shaft in handle set, and gear shaft engages with the tooth bar on sleeve.This drilling machine realizes motion of main shaft and feed motion, complex structure respectively by two cover motors, and be difficult to the uniformity ensureing motion, cost is high, Maintenance Difficulty.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of bench drill with self-acting feed function, its both can self-acting feed also can manual feed, easy switching, overall structure is simple.
For achieving the above object, the utility model adopts following technical proposals:
There is a bench drill for self-acting feed function, comprise initiatively running part and feed motion part; Described active running part comprises and being arranged in casing and the main shaft that can move up and down, and main shaft one end is stretched out outside casing, and this end is provided with spindle pulley, and spindle pulley is connected with motor output shaft by belt; Main shaft in casing is installed in rack sleeve, and a side of rack sleeve is provided with tooth bar;
Described feed motion part comprises the stepped gear shaft be arranged in casing, gear on this gear shaft is meshed with described tooth bar, gear shaft is also respectively equipped with manual mode is separated, auto state engages worm gear and handle set, it is matched in clearance between worm gear and gear shaft, worm gear dallies around gear shaft, worm gear and handle set corresponding end are equipped with the end tooth that auto state can be meshed, worm gear and worm engaging, worm screw is connected with described motor output shaft by a gear.
Be splined between described spindle pulley and main shaft, main shaft can move up and down under the cooperation of spline and keyway, and spindle pulley is fixed on casing.
Described belt is V belt.
Described rack sleeve is tubular structure with the level on excircle, main shaft runs through and is fixed on wherein, rack sleeve is installed in the sleeve installing hole of casing, and rack sleeve and sleeve installing hole matched in clearance, the step part of rack sleeve lower end is positioned at sleeve installing hole outside, and step part diameter is greater than sleeve installing hole diameter.Under rack-and-pinion effect, rack sleeve drives main shaft to move up and down, and the step part of rack sleeve plays main shaft and rises to maximum position position-limiting action.
Described main shaft lower end is provided with drill bit.
Described gear shaft outer end is splined shaft, and in handle set, endoporus is splined hole, and handle set is installed on splined shaft, and can move along this splined shaft, and the inner face of handle set is evenly distributed with the end tooth used as clutch, and handle set is provided with handlebar.
Described worm gear endoporus is unthreaded hole, and worm gear one end is evenly distributed with the end tooth be meshed with handle set end tooth.
Described gear comprises the first gear being installed on worm screw one end, the first gear and the second gears meshing, and the second gear and the feed belt be arranged in casing support holes take turns coaxial installation, and feed belt wheel is connected with motor output shaft by V belt.
The diameter of the first gear is greater than the diameter of the second gear, when both engage, plays reduction of speed effect.
Motor is installed on casing.
In the utility model, other parts are identical with existing bench drill, do not repeat them here.
In the utility model, motor power reaches spindle pulley through V belt, is spline joint between spindle pulley and main shaft, thus drives main axis.Under strainer effect, the feeding input belt pulley be arranged in casing support holes is close to V belt all the time, power is imported into tool feeding system by V belt, through first, second gear drive reduction of speed, reach worm screw, worm screw drives worm gear wheel, and be matched in clearance between worm gear and gear shaft, worm gear dallies around gear shaft.
Manual feed: as common desktop drilling machine, there is manual feed function.Gear shaft outer end is splined shaft, and in handle set, endoporus is splined hole, and inner face is uniformly distributed end tooth and uses as clutch, and worm gear endoporus is unthreaded hole, and one end is uniformly distributed end tooth and can engages with handle set end tooth, is spline joint between gear shaft and handle set.When needing feed, outwards hauled out by handle set along gear shaft, handle set and worm gear are thrown off, worm gear dallies all the time, and now turning handle bar can rotate by driven gear axle, and its gear teeth are meshed with the tooth bar of rack sleeve, drive main shaft moves down, and realizes the operations such as Manual drilling.
Self-acting feed: pushed inwards by handle set with hand, now handle set end tooth is meshed with the end tooth of worm gear, and worm screw drives worm gear wheel, and driven gear axle rotates simultaneously, and rack sleeve moves down and realizes autofeed.
Design feature of the present utility model:
1) there is manual feed and autofeed function simultaneously.
2) utilize main motion by V belt input power, belt creep during overload, can not frame for movement be destroyed.
3) worm gear dallies on its turning cylinder, and during reverse transmission, worm and gear does not need to depart from engagement, and structure is simple.
4) realize motion of main shaft and feed motion respectively by a set of motor, reduce cost, be conducive to the uniformity of mechanical movement.
5) easy to operate, reduce labor intensity.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment partial structurtes schematic diagram;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 be in Fig. 2 B-B to sectional view;
Wherein 1. casings, 2. gear shaft, 3. worm gear, 4. worm screw, 5. handle set, 6. handlebar, 7. rack sleeve, 8. main shaft, 9. spindle pulley, 10. V-belt, 11. first gears, 12. second gears, 13. feeding input belt pulleys.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1-Figure 3, there is the bench drill of self-acting feed function, comprise initiatively running part and feed motion part; Described active running part comprises and being arranged in casing 1 and the main shaft 8 that can move up and down, and main shaft 8 lower end is provided with drill bit.Main shaft 8 one end is stretched out outside casing 1, this end is provided with spindle pulley 9, and spindle pulley 9 is connected with motor output shaft by V belt 10; Motor is installed on casing 1.Be splined between spindle pulley 9 and main shaft 1, main shaft 1 can move up and down under the cooperation of spline and keyway, and spindle pulley 9 is fixed on casing 1.
Main transmission section (as Fig. 1): motor power, through V belt 10, reaches spindle pulley 9 is spline joint between spindle pulley 9 and main shaft 8, thus drives main shaft 8 to rotate.
Main shaft 8 in casing 1 is installed in rack sleeve 7, and a side of rack sleeve 7 is provided with tooth bar; Rack sleeve 7 is tubular structure with the level on excircle, main shaft passes through 8 to be worn and is fixed on wherein, rack sleeve 7 is installed in the sleeve installing hole of casing 1, and rack sleeve 7 and sleeve installing hole matched in clearance, the step part of rack sleeve 7 lower end is positioned at sleeve installing hole outside, and step part diameter is greater than sleeve installing hole diameter.Under rack-and-pinion effect, rack sleeve 7 drives main shaft 8 to move up and down, and the step part of rack sleeve 7 plays main shaft 8 and rises to maximum position position-limiting action.
Feed motion power inputs:
As shown in Figure 2: under strainer effect, the feeding input belt pulley 13 be arranged in casing 1 support holes is close to V belt all the time, power to be passed on a skill of craft to others tool feeding system by V belt, through the second gear 12, first gear 11 transmission reduction of speed, reach worm screw 4, worm screw 4 drives worm gear 3 to rotate, and be matched in clearance between worm gear 3 and gear shaft 2, worm gear 3 dallies around gear shaft 2.
Feed motion part comprises the stepped gear shaft 2 of of being arranged in casing 1, gear on this gear shaft 2 is meshed with the tooth bar on rack sleeve 7, gear shaft 2 is also respectively equipped with manual mode is separated, auto state engages worm gear 3 and handle set 5, worm gear 3 endoporus is unthreaded hole, it is matched in clearance between worm gear 3 and gear shaft 2, worm gear 3 dallies around gear shaft 2, worm gear 3 and handle set 5 corresponding end are equipped with the end tooth that auto state can be meshed, worm gear 3 engages with worm screw 4, and worm screw 4 is connected with described motor output shaft by a gear.
Gear shaft 2 outer end is splined shaft, and in handle set 5, endoporus is splined hole, and handle set 5 is installed on splined shaft, and can move along this splined shaft, and the inner face of handle set 5 is evenly distributed with the end tooth used as clutch, handle set 5 is provided with handlebar 6; Worm gear 3 one end is evenly distributed with the end tooth be meshed with handle set end tooth.
Gear comprises the first gear 11 being installed on worm screw 4 one end, first gear 11 engages with the second gear 12, second gear 12 is taken turns 13 with the feed belt be arranged in casing support holes and is coaxially installed, and feed belt wheel 13 is connected with motor output shaft by V belt.The diameter of the first gear 11 is greater than the diameter of the second gear 12, when both engage, plays reduction of speed effect.
In the utility model, other parts are identical with existing bench drill, do not repeat them here.
Method of operating:
Manual feed: as common desktop drilling machine, there is manual feed function.Gear shaft 2 outer end is splined shaft, and in handle set 5, endoporus is splined hole, and inner face is uniformly distributed end tooth and uses as clutch, and worm gear 3 endoporus is unthreaded hole, and one end is uniformly distributed end tooth and can engages with handle set 5 end tooth, is spline joint between gear shaft 2 and handle set 5.When needing feed, outwards hauled out by handle set 5 along gear shaft 2, handle set 5 and worm gear 3 are thrown off, worm gear 3 dallies all the time, and now turning handle bar 6 can rotate by driven gear axle 2, and its gear teeth are meshed with the tooth bar of rack sleeve 7, drive main shaft moves down, and realizes the operations such as Manual drilling.
Self-acting feed: pushed inwards by handle set 5 with hand, now handle set 5 end tooth is meshed with the end tooth of worm gear 3, and worm screw 4 drives worm gear 3 to rotate, and driven gear axle 2 rotates (Fig. 2) simultaneously, and rack sleeve 7 moves down and realizes autofeed.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. there is a bench drill for self-acting feed function, comprise initiatively running part and feed motion part; Described active running part comprises and being arranged in casing and the main shaft that can move up and down, and main shaft one end is stretched out outside casing, and this end is provided with spindle pulley, and spindle pulley is connected with motor output shaft by belt; It is characterized in that, the main shaft in casing is installed in rack sleeve, and a side of rack sleeve is provided with tooth bar;
Described feed motion part comprises the stepped gear shaft be arranged in casing, gear on this gear shaft is meshed with described tooth bar, gear shaft is also respectively equipped with manual mode is separated, auto state engages worm gear and handle set, it is matched in clearance between worm gear and gear shaft, worm gear dallies around gear shaft, worm gear and handle set corresponding end are equipped with the end tooth that auto state can be meshed, worm gear and worm engaging, worm screw is connected with described motor output shaft by a gear.
2. having the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, is splined between described spindle pulley and main shaft, and main shaft can move up and down under the cooperation of spline and keyway, and spindle pulley is fixed on casing.
3. have the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, described belt is V belt.
4. there is the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, described rack sleeve is tubular structure with the level on excircle, main shaft runs through and is fixed on wherein, rack sleeve is installed in the sleeve installing hole of casing, and rack sleeve and sleeve installing hole matched in clearance, the step part of rack sleeve lower end is positioned at sleeve installing hole outside, and step part diameter is greater than sleeve installing hole diameter.
5. have the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, described main shaft lower end is provided with drill bit.
6. there is the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, described gear shaft outer end is splined shaft, in handle set, endoporus is splined hole, handle set is installed on splined shaft, and can move along this splined shaft, the inner face of handle set is evenly distributed with the end tooth used as clutch, and handle set is provided with handlebar.
7. have the bench drill of self-acting feed function as claimed in claim 6, it is characterized in that, described worm gear endoporus is unthreaded hole, and worm gear one end is evenly distributed with the end tooth be meshed with handle set end tooth.
8. there is the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, described gear comprises the first gear being installed on worm screw one end, first gear and the second gears meshing, second gear and the feed belt be arranged in casing support holes take turns coaxial installation, and feed belt wheel is connected with motor output shaft by V belt.
9. have the bench drill of self-acting feed function as claimed in claim 8, it is characterized in that, the diameter of the first gear is greater than the diameter of the second gear.
10. have the bench drill of self-acting feed function as claimed in claim 1, it is characterized in that, motor is installed on casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536023.XU CN204075297U (en) | 2014-09-17 | 2014-09-17 | There is the bench drill of self-acting feed function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536023.XU CN204075297U (en) | 2014-09-17 | 2014-09-17 | There is the bench drill of self-acting feed function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075297U true CN204075297U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420536023.XU Expired - Fee Related CN204075297U (en) | 2014-09-17 | 2014-09-17 | There is the bench drill of self-acting feed function |
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| Country | Link |
|---|---|
| CN (1) | CN204075297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308225A (en) * | 2014-09-17 | 2015-01-28 | 济南大学 | Bench drilling machine with function of automatic feeding |
-
2014
- 2014-09-17 CN CN201420536023.XU patent/CN204075297U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308225A (en) * | 2014-09-17 | 2015-01-28 | 济南大学 | Bench drilling machine with function of automatic feeding |
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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: 20150107 Termination date: 20160917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |