CN202114305U - Spindle automatic feeding device of bench drill - Google Patents
Spindle automatic feeding device of bench drill Download PDFInfo
- Publication number
- CN202114305U CN202114305U CN2011201670873U CN201120167087U CN202114305U CN 202114305 U CN202114305 U CN 202114305U CN 2011201670873 U CN2011201670873 U CN 2011201670873U CN 201120167087 U CN201120167087 U CN 201120167087U CN 202114305 U CN202114305 U CN 202114305U
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- main shaft
- bench drill
- sleeve
- auto
- gear
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Abstract
The utility model provides a spindle automatic feeding device of a bench drill, which belongs to the technical field of machinery and solves the problems that an existing bench drill feeding mechanism utilizes belt wheel rotation on a worm shaft to lower or lift a spindle lifting sleeve so as to achieve spindle feeding, thereby leading spindle lifting range to be limited, being low in control accuracy and the like. The spindle automatic feeding device comprises a motor fixed on a machine body and a sleeve sleeved on the spindle. The spindle and the sleeve are axially fixed and in circumferential moving match. The sleeve is fixed with the machine body circumferentially, a rack is arranged on the outer side of the sleeve, a gear meshed with the rack is axially fixed on the machine body, and the output shaft of the motor and the gear are connected through a connecting mechanism capable of lowering transmission speed and increasing torsion. The spindle automatic feeding device can lower transmission speed and increase torsion through meshing transmission of a worm and the gear, and is high in spindle feeding accuracy and better in controllability.The gear can push the rack on the sleeve more easily.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of bench drill, particularly a kind of bench drill main shaft auto-feeder.
Background technology
Bench drill is a kind of advantages of small volume, and is easy and simple to handle, is installed in the small-sized hole processor bed that uses on the dedicated usually.The bench drill bore diameter is generally below 13 millimeters, and maximum is no more than 16 millimeters.Its main shaft speed change is generally realized through changing the position of V-belt on the tower belt wheel, the moving operation of the main armrest of bench drill axis feeding on the market.In order to realize the auto-feed function of main shaft, people have designed the main shaft auto-feeder, by motor-driven, through some transmission mechanisms, drive sleeve and main shaft one lifting.
A kind of bench drill main shaft automatic feed mechanism [ZL patent No. 96227865.3 like the announcement of Patent Office of the People's Republic of China (PRC); Granted publication CN2244976Y], relate to the main shaft automatic feed mechanism that uses on the bench drill, on the bench drill support, be provided with intermeshing worm gear and worm screw; Connecting plate forms eccentric the connection through connecing axle with worm-wheel shaft; Shift fork with the joining bearing pin of support be fulcrum, one of which end and connecting plate form movable the connection, its other end then contacts with the upper surface that main shaft goes up and down to overlap.The feed mechanism of this bench drill is rotated through the belt wheel that O shape band drives on the worm shaft by the driving wheel on the motor shaft; And then the drive fork forces down or the lifting main shaft goes up and down to overlap; This design causes main shaft automatic feed mechanism complex structure, control accuracy low, problem such as the main shaft range is limited.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of bench drill main shaft auto-feeder simple in structure.
The purpose of the utility model can realize through following technical proposal: a kind of bench drill main shaft auto-feeder; Bench drill comprises lathe bed and the main shaft that is located in the lathe bed; It is characterized in that this auto-feeder comprises the motor that is fixed on the lathe bed and be set in the sleeve on the main shaft, described main shaft and sleeve axial restraint and circumferentially movingly; Described sleeve and lathe bed are circumferentially fixing; The described sleeve outside has tooth bar, and axial restraint has the gear that is meshed with tooth bar on the described lathe bed, is connected through the bindiny mechanism that can reduce transmission speed and increase moment of torsion between the output shaft of described motor and the gear.
Motor rotates through the bindiny mechanism driven gear, and gear promotes tooth bar to be made in sleeve and the sleeve and move up and down, because main shaft with the sleeve axial restraint and circumferentially movingly, so main shaft can do feed along with sleeve on sleeve inner edge rotation limit or withdrawing moves.
In above-mentioned bench drill main shaft auto-feeder, described bindiny mechanism comprises trunnion axis with worm gear and the worm screw that is meshed with worm gear, and described gear is located at an end of trunnion axis, and the output shaft of described worm screw and motor links.The driven by motor worm screw is rotated, and worm gear and trunnion axis that worm screw drives with its engagement rotate, and trunnion axis driven gear again rotates.Through the worm and gear engaged transmission, can reduce transmission speed and increase moment of torsion, the tooth bar that gear is promoted on the sleeve is more light.
In above-mentioned bench drill main shaft auto-feeder, described motor is controlled by numerical control device.The rotating and the rotating speed of numerical control device control motor output shaft drive sleeve and do feed, withdrawing motion, realize controlling accurately the feeding of main shaft; The program that input is finished can accurately be controlled time, the speed of main shaft feed and withdrawing in numerical control device, realizes the fully automatic working of bench drill.
In above-mentioned bench drill main shaft auto-feeder, also be provided with auto-manual switching mechanism and handle set on the described trunnion axis, described auto-manual switching mechanism comprises half-clutch tooth cover and the half-clutch tooth cover on the handle set on the trunnion axis.When the driving handle seat meshed two half-clutch tooth covers, operator manually rotary handle seat drove the trunnion axis rotation; When two half-clutch tooth covers separate, can rotate by the motor-driven trunnion axis.Can switch back and forth with manual two kinds of modes of operation automatically according to the practical operation requirement.
In above-mentioned bench drill main shaft auto-feeder, described worm screw adopts permanent coupling to connect with the output shaft of motor.In the power transmission of high-speed overload, it is the effect of dynamic property that permanent coupling has buffering, vibration damping and raising axle.
In above-mentioned bench drill main shaft auto-feeder, described permanent coupling is a flange-face coupling.Flange-face coupling is also claimed flange coupling, is to utilize Bolt Connection two flange disc type half a couplers, and two half a couplers connect with diaxon with key respectively, connects transmitting torque and motion to realize diaxon.Flange-face coupling is simple in structure, and is easily manufactured, and cost is lower, and reliable operation, is safeguarded all easylier at mounting or dismounting, and transmitting torque is bigger, can guarantee that diaxon has higher accuracy of alignment, and it is steady to be usually used in load, at a high speed or the transmission accuracy axle of having relatively high expectations be transmission.
In above-mentioned bench drill main shaft auto-feeder, described permanent coupling is a box coupling.Box coupling is to utilize public sleeve, and through rigid attachment parts such as key, spline or taper pins, to realize the connection of diaxon.Box coupling simple in structure, easily manufactured, cost is lower, and radial dimension is little, is applicable to low speed, underloading, no shock loading.
In above-mentioned bench drill main shaft auto-feeder, described permanent coupling is a clamping coupling.Utilize two vertically the folder shell of subdivision clamp the shaft coupling of realizing that diaxon connects with certain mode.
Compared with prior art, this bench drill main shaft auto-feeder has the following advantages:
1. worm screw adopts permanent coupling directly to connect with the output shaft of motor, makes apparatus structure simply firm.
2. motor is controlled by numerical control device, and the axis feeding accuracy is high, and controllability is strong.
3. through the worm and gear engaged transmission, can reduce transmission speed and increase moment of torsion, the tooth bar that gear is promoted on the sleeve is more light.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of this bench drill main shaft auto-feeder.
Fig. 2 is the structure cross-sectional schematic of this sleeve and gear.
Fig. 3 is the structure cross-sectional schematic of this bench drill.
Among the figure, 1, motor; 2, output shaft; 3, bindiny mechanism; 3a, trunnion axis; 3b, worm gear; 3c, worm screw; 4, gear; 5, sleeve; 5a, tooth bar; 6, main shaft; 7, numerical control device; 8, auto-manual switching mechanism; 9, handle set; 10, half-clutch tooth cover; 11, permanent coupling.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
Like Fig. 1, Fig. 2, shown in Figure 3; Bench drill comprises lathe bed and the main shaft 6 that is located in the lathe bed; This bench drill main shaft auto-feeder comprises the motor 1 that is fixed on the lathe bed and is set in the sleeve 5 on the main shaft 6; Main shaft 6 is with sleeve 5 axial restraints and circumferentially movingly, sleeve 5 is circumferentially fixing with lathe bed, and sleeve 5 outsides have tooth bar 5a; Axial restraint has the gear 4 that is meshed with tooth bar 5a on the lathe bed, is connected through the bindiny mechanism 3 that can reduce transmission speed and increase moment of torsion between the output shaft 2 of motor 1 and the gear 4.
Specifically; Bindiny mechanism 3 comprises trunnion axis 3a with worm gear 3b and the worm screw 3c that is meshed with worm gear 3b; Worm screw 3c adopts permanent coupling 11 to connect with the output shaft 2 of motor 1; End connection gear 4 on the trunnion axis 3a, the tooth bar 5a on gear 4 rotating band moving sleeves 5 walls moves axially with main shaft 6.
As shown in Figure 3, motor 1 links to each other with bench drill numerical control device 7 on one's body, and numerical control device 7 sends the rotary speed and the direction of the output shaft 2 of commands for controlling motor 1.Can in numerical control device 7, import the program of finishing in advance; The output shaft 2 that is sent commands for controlling motor 1 by numerical control device 7 rotates; Driving trunnion axis 3a through worm gear 3b worm screw 3c transmission rotates; Gear 4 on the trunnion axis 3a promotes the feed motion of tooth bar 5a and sleeve 5 completion main shafts 6, realizes the auto-feed of main shaft 6.
Like Fig. 1, shown in Figure 3, when not needing 6 feedings of motor 1 driving main shaft, can switch to manual mode through auto-manual switching mechanism 8.Driving handle seat 9 makes half-clutch tooth cover 10 engagements on half-clutch tooth cover 10 and the handle set 9 on the trunnion axis 3a, and handle set 9 is with trunnion axis 3a engagement and can drive trunnion axis 3a and rotate.Handle on operator's rotary handle seat 9, driving main shaft 6 are done the bottom and top feed motion.
Claims (8)
1. bench drill main shaft auto-feeder; Bench drill comprises lathe bed and the main shaft (6) that is located in the lathe bed; It is characterized in that this auto-feeder comprises the motor (1) that is fixed on the lathe bed and be set in the sleeve (5) on the main shaft (6), described main shaft (6) with sleeve (5) axial restraint and circumferentially movingly; Described sleeve (5) is circumferentially fixing with lathe bed; Described sleeve (5) outside has tooth bar (5a), and axial restraint has the gear (4) that is meshed with tooth bar (5a) on the described lathe bed, is connected through the bindiny mechanism (3) that can reduce transmission speed and increase moment of torsion between the output shaft (2) of described motor (1) and the gear (4).
2. bench drill main shaft auto-feeder according to claim 1 is characterized in that, described motor (1) is controlled by numerical control device (7).
3. bench drill main shaft auto-feeder according to claim 2; It is characterized in that; Described bindiny mechanism (3) comprises the have worm gear trunnion axis (3a) of (3b) and the worm screw (3c) that is meshed with worm gear (3b); Described gear (4) is located at an end of trunnion axis (3a), and described worm screw (3c) links with the output shaft (2) of motor (1).
4. bench drill main shaft auto-feeder according to claim 3; It is characterized in that; Also be provided with auto-manual switching mechanism (8) and handle set (9) on the described trunnion axis (3a), described auto-manual switching mechanism (8) comprises half-clutch tooth cover (10) and the half-clutch tooth cover (10) on the handle set (9) on the trunnion axis (3a).
5. according to claim 3 or 4 described bench drill main shaft auto-feeders, it is characterized in that described worm screw (3c) adopts permanent coupling (11) to connect with the output shaft (2) of motor (1).
6. bench drill main shaft auto-feeder according to claim 5 is characterized in that described permanent coupling (11) is a flange-face coupling.
7. bench drill main shaft auto-feeder according to claim 5 is characterized in that described permanent coupling (11) is a box coupling.
8. bench drill main shaft auto-feeder according to claim 5 is characterized in that described permanent coupling (11) is a clamping coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201670873U CN202114305U (en) | 2011-05-21 | 2011-05-21 | Spindle automatic feeding device of bench drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201670873U CN202114305U (en) | 2011-05-21 | 2011-05-21 | Spindle automatic feeding device of bench drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114305U true CN202114305U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201670873U Expired - Fee Related CN202114305U (en) | 2011-05-21 | 2011-05-21 | Spindle automatic feeding device of bench drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114305U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252035A (en) * | 2015-11-24 | 2016-01-20 | 沈阳景宏数控设备有限公司 | Numerical display type radial drilling machine |
| CN105328242A (en) * | 2015-11-24 | 2016-02-17 | 沈阳景宏数控设备有限公司 | Spindle feeding mechanism of digital display type radial drilling machine |
| CN105458343A (en) * | 2016-02-06 | 2016-04-06 | 宁波慧作机电有限公司 | Automatic drilling machine |
| CN109016178A (en) * | 2018-08-13 | 2018-12-18 | 中铁建电气化局集团南方工程有限公司 | A kind of gear tiny fragments of stone, coal, etc. wall drilling machine |
| CN116511566A (en) * | 2023-06-30 | 2023-08-01 | 四川飞亚动力科技股份有限公司 | Drilling machine tool for engine crankshaft bearing cover |
-
2011
- 2011-05-21 CN CN2011201670873U patent/CN202114305U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252035A (en) * | 2015-11-24 | 2016-01-20 | 沈阳景宏数控设备有限公司 | Numerical display type radial drilling machine |
| CN105328242A (en) * | 2015-11-24 | 2016-02-17 | 沈阳景宏数控设备有限公司 | Spindle feeding mechanism of digital display type radial drilling machine |
| CN105458343A (en) * | 2016-02-06 | 2016-04-06 | 宁波慧作机电有限公司 | Automatic drilling machine |
| CN109016178A (en) * | 2018-08-13 | 2018-12-18 | 中铁建电气化局集团南方工程有限公司 | A kind of gear tiny fragments of stone, coal, etc. wall drilling machine |
| CN109016178B (en) * | 2018-08-13 | 2023-08-22 | 中铁建电气化局集团南方工程有限公司 | Baffle ballast wall drilling machine |
| CN116511566A (en) * | 2023-06-30 | 2023-08-01 | 四川飞亚动力科技股份有限公司 | Drilling machine tool for engine crankshaft bearing cover |
| CN116511566B (en) * | 2023-06-30 | 2023-09-05 | 四川飞亚动力科技股份有限公司 | Drilling machine tool for engine crankshaft bearing cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG XILING CO., LTD. Free format text: FORMER NAME: ZHEJIANG XESTLING BENCH DRILL MANUFACTURE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Taizhou City, Zhejiang province 317521 Zeguo town Muyu electromechanical Industrial Park Patentee after: ZHEJIANG XILING CO., LTD. Address before: Taizhou City, Zhejiang province 317521 Zeguo town Muyu electromechanical Industrial Park Patentee before: Zhejiang West Diamond Bench Drill Manufacturer Co., Ltd. |
|
| 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: 20120118 Termination date: 20190521 |