CN2430237Y - Automatic advance-and-retreat table drill - Google Patents
Automatic advance-and-retreat table drill Download PDFInfo
- Publication number
- CN2430237Y CN2430237Y CN 00244832 CN00244832U CN2430237Y CN 2430237 Y CN2430237 Y CN 2430237Y CN 00244832 CN00244832 CN 00244832 CN 00244832 U CN00244832 U CN 00244832U CN 2430237 Y CN2430237 Y CN 2430237Y
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- CN
- China
- Prior art keywords
- retreat
- bench drill
- drill
- automatic advance
- drilling rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an automatic advance-and-retreat table drill which comprises a worktable, a drill bit, a drill rod elevating mechanism and a drill rod connected with a motor through a driven reducing wheel, a belt and a driving reducing wheel. The utility model is characterized in that a speed reducing mechanism connected with the motor is connected with a rotating device; both ends of a coupled rod are respectively hinged with the rotating device and a drilling rod advance-and-retreat control device. The utility model has the advantages of simple structure, easy production, convenient operation, etc.; the utility model can automatically control the feed and the tool retracting of the table drill; the utility model overcomes the defects of the machining quality of the original table drill varys from person to person and differs with different operating states, reduces operating requirements to workers and guarantees the machining qualities of products.
Description
The utility model relates to the drilling machine that a kind of machining is used, particularly a kind of bench drill.
Drilling machine is that the common apparatus in the machining is mainly used in operations such as boring, tapping, the fraising of ream face.Structurally form by column work top, drilling rod and elevating mechanism etc.By the main motion of drilling rod rotation and the synthetic purpose that reaches metal cutting of axial feed motion, be in the borings lathe next in number only to the main equipment of lathe.Purposes according to drilling machine will be divided into deep hole drilling machine, radial drilling machine, bench drill, upright drill and centre-drilling lathe etc., and the different characteristics of their bases oneself is used in the processing of different product type.Wherein, bench drill occupies considerable status in drilling machine family, mainly be it simple in structure, easy to operate, price is lower, floor space is little and wide accommodation, according to incompletely statistics, in the processing of the engineering goods hole of intermediate complex system, 60 percent of bench drill equipment sum, in addition more.Existing bench drill is the same with other drilling machine, also is made up of column, workbench, drilling rod member, motor and feed mechanism etc.It is work like this: main motion is that the rotation of cutter is realized by the rotation of motor drives drilling rod, for adapting to various main motion speed, the speed pulley that different-diameter combines is housed on the motor output shaft; Be equipped with on the power shaft of drilling rod with motor output shaft on arrange the inverted identical reducing belt pulley that combines, under the constant situation of input and output shaft centre-to-centre spacing, the speed change that successfully realizes main motion is to be fit to the processing request in various materials and aperture.Feed motion is usually with lever operated, thereby by doing back and forth movement realization feeding with the tooth bar of the fixing gear driven drilling rod of handle, as shown in Figure 1.Through practice for many years, bench drill is simple in structure with its, easy to operate, maintenance easily, small investment and rank the umber one of drilling machine number of series, but its weak point enlarges along with the scope of application and reveals day by day, because its feeding is the human hand moves the feeding handle and by drilling rod mechanism cutting tool is moved up and down to realize feeding and withdrawing, and the unstability that artificial operation has bigger randomness and fatigue limit to bring, the operating technology level that overall merit is behaved, bring therefrom, feeding handle velocity of rotation be not one constant quantitatively, but one irregular can target-seeking variable, causing the drilling rod motion of mechanism is not linear uniform motion, and what directly reflect on workpiece is the overproof and degree of roughness increase of machined surface physical dimension.At first, different people, difference because of its operating technology level, and make the product quality that processes that tangible difference just be arranged, analyze according to statistics: if the normal veteran worker's coefficient of technical merit is not 1, the relatively poor new worker's coefficient of technical merit is 0.7, and the coefficient of the geometric accuracy of the workpiece that they are processed on bench drill, surface roughness, tool life is as shown in the table:
| Classification | Technical merit | Geometric accuracy stability | Roughness | Tool life | Operating |
| Veteran worker | |||||
| 1 | 1 | 6 | 1 | 1 | |
| The new worker | 0．7 | 0．65 | 3 | 0．68 | 0．7 |
In addition, even the workman of same operating technology level, because the difference of factors such as his residing environment, phychology, mood, time, workpiece with common bench drill hand feeding mechanism processing, with same cutter, process same workpiece effect and also have bigger discrepancy, sample analysis statistics: if just often the operating technology coefficient of colligation is 1, unusual is 0.7, and then the coefficient of the geometric accuracy of workpiece, surface roughness, tool life is as shown in the table:
| Numbering | State | Geometric accuracy stability | Roughness | Tool life | Operating efficiency |
| Normally | 1 | 1 | 6 | 1 | 1- |
| Unusual | 0．8 | 0．75 | 5 | 0．8 | 0．75 |
In sum, it is identical that common table is drilled in processing work, under the identical situation of cutting tool, because the manual operation of hand feed is adopted in feeding, all can difference different or same individual mode of operation bring very big difference for the converted products precision because of the people of operation.That is to say: original bench drill is because of the difference of people's difference, mode of operation, and makes that the quality of product is also different, and it is restricting the raising of bench drill machining accuracy grade, has limited its scope of application.
The purpose of this utility model just provides a kind of auto-feed bench drill of simple in structure, easy to operate and easy manufacturing, and it can automatically control the feeding and the withdrawing of bench drill, guarantees the crudy of product.
The purpose of this utility model is to realize by such technical scheme, the drilling rod that it includes workbench, drill bit, drilling rod elevating mechanism and is connected with motor by driven diameter-changing wheel, belt, active diameter-changing wheel, it is characterized in that: the reducing gear that connects with motor is connected with whirligig, and the two ends of trace are hinged with whirligig, the drilling rod manipulation device of advancing and retreat respectively.
Operation principle of the present utility model is such: when motor drives the drilling rod rotation by active diameter-changing wheel, belt, driven diameter-changing wheel, also by initiatively diameter-changing wheel, reducing gear driven rotary device rotate, the whirligig that rotates drives drilling rod advance and retreat manipulation device reciprocally swinging in certain angular range by trace, the whirligig revolution moves a week, drilling rod advance and retreat manipulation device reciprocally swinging once, the drilling rod elevating mechanism moves up and down once, finish an impulse stroke, thereby realized the purpose of auto-feed and withdrawing.Because drilling rod feeding depth and withdrawing are controlled automatically by machine fully, thus eliminated fully original bench drill crudy vary with each individual, because of the different deficiency of mode of operation, reduced percent defective, guaranteed product quality.
Owing to adopted technique scheme, the utlity model has following advantage:
1. simple in structure, make easily, easy to operate;
2. realized auto-feed and withdrawing, overcome original bench drill crudy vary with each individual, because of the different shortcoming of mode of operation, the requirement of workman operation is reduced greatly, reduced percent defective, guaranteed product quality;
To a machining position roughness difference grade less than three/one-level, meet national standard fully;
4. compare with original bench drill, every economic and technical norms contrast of two kinds of bench drills is as follows:
| Classification | Technical merit | Geometric accuracy stability | Roughness | Tool life | Operating efficiency | Consume |
| | 1 | 1 | 6 | 1 | 1 | 1 |
| The | 1 | 1．2 | 7 | 1．2 | 1．25 | 0．8 |
Description of drawings of the present utility model is as follows:
Fig. 1 is the simple in structure of original bench drill;
Fig. 2 structural representation of the present utility model;
Fig. 3 is the cutaway view of a kind of embodiment of A-A among Fig. 2;
Fig. 4 is the cutaway view of the another kind of embodiment of A-A among Fig. 2;
Fig. 5 is the cutaway view of B-B among Fig. 4.
Among the figure: 1. workbench; 2. drill bit; 3. drilling rod elevating mechanism; 4. driven diameter-changing wheel; 5. belt; 6. diameter-changing wheel initiatively; 7. motor; 8. drilling rod; 9. trace; 10. drilling rod advance and retreat manipulation device; 11. worm screw; 12. feed belt wheel; 13. feed belt; 14. worm gear; 15. regulating tank; 16. crank; 17. centre bore; 18. pin-and-hole; 19. drive dish; 20. rotating shaft; 21. on-of pin; 22. through hole; 23. regulating tank; 24. jack back; 25. expansion link; 26. inclined-plane pin; 27. switch knob; 28. spring; 29. adjusting nut.
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 2, the drilling rod 8 that the utility model includes workbench 1, drill bit 2, drilling rod elevating mechanism 3 and is connected with motor 7 by driven diameter-changing wheel 4, belt 5, active diameter-changing wheel 6, it is characterized in that: the reducing gear that connects with motor 7 is connected with whirligig, and the two ends of trace 9 are hinged with whirligig, the drilling rod manipulation device 10 of advancing and retreat respectively.
Operation principle of the present utility model is such: when motor 7 drives the drilling rods rotation by active diameter-changing wheel 6, belt 5, driven diameter-changing wheel 4, also by initiatively diameter-changing wheel 6, reducing gear driven rotary device rotate, the whirligig that rotates drives drilling rod advance and retreat manipulation device reciprocally swinging in certain angular range by trace 9, the whirligig revolution moves a week, drilling rod advance and retreat manipulation device reciprocally swinging once, the drilling rod elevating mechanism moves up and down once, finish an impulse stroke, thereby realized the purpose of auto-feed and withdrawing.Because drilling rod feeding depth and withdrawing are controlled automatically by machine fully, thus eliminated fully original bench drill crudy vary with each individual, because of the different deficiency of mode of operation, reduced percent defective, guaranteed product quality.
As shown in Figure 2, reducing gear is arranged on the intrinsic feed belts wheel 12 of worm screw 11 on the bench drill supporter, and feed belt wheel 12 is connected with active diameter-changing wheel 6 on the motor 7 by feed belt 13.Because initiatively diameter-changing wheel 6 is much bigger for the diameter of feed belt wheel 12, therefore makes motor 7 be able to sufficient deceleration, thereby guarantee drilling rod feeding and withdrawing reposefully by the rotation that feed belt 13, feed belt wheel 12 drive worm screw 11.
Shown in Fig. 2,3 or 4, whirligig is arranged on the bench drill supporter and the worm gear 14 that is meshed with worm screw 11.Motor 7 is by initiatively diameter-changing wheel, feed belt 13,11 rotations of feed belt wheel 12 drive worm screws, and the worm screw 11 of rotation drives worm gear 14 rotations again.
As shown in Figure 3, whirligig also includes the crank 16 of idiozona regulating tank 15 on worm gear 14.This structure is particularly suitable for the mechanization production of scale, as long as regulated the time of feeding and withdrawing, and the automation of just can accomplishing scale production.
As shown in Figure 4, whirligig also includes worm gear 14 and is provided with centre bore 17 and pin-and-hole 18, the drive dish 19 of the crank 16 of idiozona regulating tank 15 inserts in centre bore 17 versatilely by solid rotating shaft 20 thereon, on-of pin 21 by elastic device pass versatilely be arranged on the drive dish 19 and with pin-and-hole 18 corresponding through holes 22, drive dish 19 is provided with striking gear.This structure is suitable for manually-operated unit production, it can control the feeding and the withdrawing of drilling rod by striking gear, its operation principle is such: generally, under the elastic device effect, on-of pin 21 withdraws from pin-and-hole 18, is in released state between drive dish 19 and the worm gear 14, at this moment, the worm gear 14 that rotates can not rotate by drive dish 19, and drilling rod advance and retreat manipulation device is mobile because of there not being action that drilling rod is not produced on axis direction; When feeding of needs drilling rod and withdrawing, by striking gear on-of pin 21 is inserted in the pin-and-hole 18, the worm gear 14 that rotates this moment drives drive dish 19 and rotates, the drive dish 19 that rotates drives drilling rod advance and retreat manipulation device reciprocally swinging in certain angular range by trace 9, moves up and down to realize the feeding and the withdrawing of drilling rod thereby drive drilling rod.
Shown in Fig. 2,3 or 4, for the ease of regulating the feeding depth of drilling rod, the end of trace 9 is hinged by regulating tank 15 and crank 16, the jack back 24 of idiozona regulating tank 23 on the drilling rod advance and retreat manipulation device, and the other end of trace 9 is hinged by regulating tank 23 and jack back 24.By the position of end in regulating tank 15 of trace 9, feeding depth that can the coarse adjustment drilling rod, by the position of the other end in regulating tank 23 of trace 9, feeding depth that can the fine tuning drilling rod.
Shown in Fig. 4,5, striking gear is that the inclined-plane pin 26 that is connected with expansion link 25 ends places slidably on the drive dish 19 and is arranged on the corresponding position, on-of pin 21 inclined-planes, expansion link 25 other end switch knobs 27 are hinged, and switch knob 27 is hinged with the bench drill supporter.By switch knob 27, expansion link 25 inclined-plane pin 26 is left behind, make on-of pin 21 under the effect of elastic device, insert in the pin-and-hole 18 of worm gear 14; Also can inclined-plane pin 26 be pushed to, on-of pin 21 is withdrawed from from pin-and-hole 18, allow be disengaged position between worm gear 14 and the drive dish 19 by switch knob 27, expansion link 25.
As shown in Figure 4, elastic device is a spring 28, and an end of spring 28 is against on the on-of pin 21, and the other end is against on the drive dish 19.
Shown in Fig. 2,3 or 4, for the ease of regulating the working face of drill bit, trace 9 is provided with the length guiding mechanism; The length guiding mechanism is that adjusting nut 29 is threaded respectively with about the two ends of trace 9 middle disjunctions is.By rotating the length that adjusting nut 29 is regulated trace 9, so that change the height of the working face of drill bit.
Claims (10)
1. automatic advance and retreat bench drill, the drilling rod (8) that includes workbench (1), drill bit (2), drilling rod elevating mechanism (3) and be connected with motor (7) by driven diameter-changing wheel (4), belt (5), active diameter-changing wheel (6), it is characterized in that: the reducing gear that connects with motor (7) is connected with whirligig, and the two ends of trace (9) are hinged with whirligig, the drilling rod manipulation devices (10) of advancing and retreat respectively.
2. automatic advance and retreat bench drill as claimed in claim 1, it is characterized in that: reducing gear is arranged on the intrinsic feed belt wheel of worm screw (11) on the bench drill supporter (12), and feed belt wheel (12) is connected with active diameter-changing wheel (6) on the motor (7) by feed belt (13).
3. as claim 1,2 described automatic advance and retreat bench drills, it is characterized in that: whirligig is arranged on the bench drill supporter and the worm gear (14) that is meshed with worm screw (11).
4. automatic advance and retreat bench drill as claimed in claim 3 is characterized in that: whirligig also includes the crank (16) of going up idiozona regulating tank (15) at worm gear (14).
5. automatic advance and retreat bench drill as claimed in claim 3, it is characterized in that: whirligig also includes worm gear (14) and is provided with centre bore (17) and pin-and-hole (18), the drive dish (19) of the crank (16) of idiozona regulating tank (15) inserts in centre bore (17) versatilely by solid rotating shaft (20) thereon, on-of pin (21) by elastic device pass versatilely be arranged on that drive dish (19) is gone up and with the corresponding through hole of pin-and-hole (18) (22), drive dish (19) is provided with striking gear.
6. as claim 4,5 described automatic advance and retreat bench drills, it is characterized in that: the end of trace (9) is hinged by regulating tank (15) and crank (16), the jack back (24) of idiozona regulating tank (23) on the drilling rod advance and retreat manipulation device, the other end of trace (9) is hinged by regulating tank (23) and jack back (24).
7. automatic advance and retreat bench drill as claimed in claim 5, it is characterized in that: striking gear is that the inclined-plane pin (26) that is connected with expansion link (25) end places drive dish (19) to go up and be arranged on the corresponding position, on-of pin (21) inclined-plane slidably, expansion link (25) other end switch knob (27) is hinged, and switch knob (27) is hinged with the bench drill supporter.
8. automatic advance and retreat bench drill as claimed in claim 5 is characterized in that: elastic device is a spring (28), and an end of spring (28) is against on the on-of pin (21), and the other end is against on the drive dish (19).
9. automatic advance and retreat bench drill as claimed in claim 6 is characterized in that: trace (9) is provided with the length guiding mechanism.
10. automatic advance and retreat bench drill as claimed in claim 6 is characterized in that: the length guiding mechanism is that adjusting nut (29) is threaded respectively with about the two ends of the middle disjunction of trace (9) is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00244832 CN2430237Y (en) | 2000-10-30 | 2000-10-30 | Automatic advance-and-retreat table drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00244832 CN2430237Y (en) | 2000-10-30 | 2000-10-30 | Automatic advance-and-retreat table drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2430237Y true CN2430237Y (en) | 2001-05-16 |
Family
ID=33604436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00244832 Expired - Fee Related CN2430237Y (en) | 2000-10-30 | 2000-10-30 | Automatic advance-and-retreat table drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2430237Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480884A (en) * | 2013-09-18 | 2014-01-01 | 济钢集团有限公司 | Short-wheelbase drilling device |
| CN106141241A (en) * | 2016-09-19 | 2016-11-23 | 青岛科技大学 | A kind of automatic feed drilling machine of quick-replaceable drill bit |
| CN109822135A (en) * | 2019-03-28 | 2019-05-31 | 六安市恒伟标识有限公司 | A kind of automatic returning electric drill determines hole depth boring method |
| CN112439916A (en) * | 2020-10-30 | 2021-03-05 | 淮阴工学院 | Cantilever type drilling equipment |
-
2000
- 2000-10-30 CN CN 00244832 patent/CN2430237Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480884A (en) * | 2013-09-18 | 2014-01-01 | 济钢集团有限公司 | Short-wheelbase drilling device |
| CN106141241A (en) * | 2016-09-19 | 2016-11-23 | 青岛科技大学 | A kind of automatic feed drilling machine of quick-replaceable drill bit |
| CN109822135A (en) * | 2019-03-28 | 2019-05-31 | 六安市恒伟标识有限公司 | A kind of automatic returning electric drill determines hole depth boring method |
| CN109822135B (en) * | 2019-03-28 | 2020-10-20 | 诸暨市迅翔云科技有限公司 | Fixed hole deep drilling method for automatic electric drill withdrawal |
| CN112439916A (en) * | 2020-10-30 | 2021-03-05 | 淮阴工学院 | Cantilever type drilling equipment |
| CN112439916B (en) * | 2020-10-30 | 2021-11-30 | 淮阴工学院 | Cantilever type drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |