CN203725834U - Spindle box lifting mechanism of drilling machine - Google Patents
Spindle box lifting mechanism of drilling machine Download PDFInfo
- Publication number
- CN203725834U CN203725834U CN201320852172.2U CN201320852172U CN203725834U CN 203725834 U CN203725834 U CN 203725834U CN 201320852172 U CN201320852172 U CN 201320852172U CN 203725834 U CN203725834 U CN 203725834U
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- CN
- China
- Prior art keywords
- spindle box
- ball screw
- drilling machine
- main spindle
- base
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Abstract
The utility model relates to a spindle box lifting mechanism of a drilling machine, and belongs to the field of machine tool equipment manufacturing. The spindle box lifting mechanism of the drilling machine specifically comprises a base, double stand columns and a ball screw which is driven by a servo motor. The spindle box lifting mechanism is further provided with an H-shaped lifting platform base connected to the double stand columns, the H-shaped lifting platform base is connected with linear guide rails arranged on the inner sides of the stand columns through sliding bases, and the serve motor is installed in the lifting platform base. A lead screw nut base is arranged at the lower end of the ball screw in a sleeved mode, the lead screw nut base is arranged at the upper end of a central supporting cylinder, the central supporting cylinder is located between the double stand columns, the lower end of the central supporting cylinder is fixed onto the base, the upper end of the ball screw penetrates through the lifting platform base to be connected with a transmission gear, a round nut is arranged at the top end of the ball screw for locking, an output shaft of the servo motor and the ball screw are arranged in parallel, a synchronous belt pulley is arranged at the end of the output shaft and the synchronous belt pulley is connected with the transmission gear through a synchronous belt. The spindle box lifting mechanism of the drilling machine has the advantages of being good in overall rigidity, simple in structure and simple and convenient to operate.
Description
Technical field
The utility model relates to a kind of main spindle box elevating mechanism of drilling machine, and especially a kind of numerical control drilling machine that adopts the lifting of ball screw drive shaft case belongs to lathe equipment manufacture field.
Background technology
The main spindle box lifting of current a lot of drilling machines, all along a cylindrical light beam lifting, generally utilizes Timing Belt to drive ball leading screw driving by servomotor, also has by rack-and-pinion transmission.Also have common bench drill, its main spindle box is fixed, and this has a strong impact on working ability, and machining accuracy is subject to the impact of its drilling machine integral rigidity deficiency, is therefore necessary to design a kind of good rigidly, and main spindle box lifting is flexible, easy to operate drilling machine.
Summary of the invention
The purpose of this utility model is the main spindle box elevating mechanism that proposes a kind of drilling machine, realizes by main change column form, and concrete scheme is:
A main spindle box elevating mechanism for drilling machine, comprises base and column and the ball screw by driven by servomotor, and described column is two columns; Described main spindle box elevating mechanism also has the lifting pedestal of " H " shape to be connected on described column, is specifically connected with the line slideway that is arranged on column inner side by slide, is provided with described servomotor in lifting pedestal; The lower end cover of described ball screw has feed screw nut's seat, described feed screw nut's seat is arranged on the upper end of center support cylinder, described center support cylinder is positioned in the middle of two columns, the lower end of described center support cylinder is fixed on described base, the upper end of ball screw is connected with travelling gear through described lifting pedestal, and there is round nut locking on top, and described servomotor output shaft and ball screw are arranged in parallel, output shaft end is provided with synchronous pulley, is connected with travelling gear by Timing Belt.Driven by servomotor ball screw rotates like this, and then drags lifting pedestal along line slideway oscilaltion.Two pillar constructions than single column the rigidity of drilling machine greatly strengthen, and more flexible than gantry structure, main spindle box can integral elevating.
As preferably, a kind of main spindle box elevating mechanism of drilling machine, strains cross bar between described two columns in addition.By tension cross bar, increase the rigidity of fuselage, prevent that the column that is positioned at both sides from tilting.
As preferably, a kind of main spindle box elevating mechanism, the upper end of described line slideway is provided with limited block.Fixing limited block can prevent that ball screw from lifting pedestal uphill process, stroke accident occurring, and played up position limitation protection.
As preferably, a kind of main spindle box elevating mechanism of drilling machine, on lifting pedestal, be also provided with anti-tenesmus mechanism, be specially electromagnetic lock, its dead bolt has the long nick adapting with the gear teeth of travelling gear, described long nick is just to the gear teeth, and has a guide rod from bottom to top through long nick, and the lower end of described guide rod is fixed on the table top of lifting pedestal.In the time that servomotor starts, unclamp the gear teeth, in the time that servomotor is shut down, protruding dead bolt, stuck travelling gear, wherein guide rod plays the effect of guiding and anti-rotation bolt.
Therefore, the utlity model has the advantage that integral rigidity is good, simple in structure, easy and simple to handle, greatly increased the working range of drilling machine.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the partial enlarged drawing of the 1:10 of I place in Fig. 3.
In figure:
1, base, 2, column, 3, servomotor, 4, ball screw, 5, lifting pedestal, 501, table top, 6, slide, 7, line slideway, 8, feed screw nut's seat, 9, center support cylinder, 10, travelling gear, 1001, the gear teeth, 11, round nut, 12, synchronous pulley, 13, Timing Belt, 14, tension cross bar, 15, limited block, 16, electromagnetic lock, 1601, dead bolt, 1602, long nick, 17, guide rod.
Specific embodiment
The technical solution of the utility model is described further to Fig. 4 below in conjunction with Fig. 1:
Embodiment 1: a kind of main spindle box elevating mechanism of drilling machine, comprise base 1 and column 2 and the ball screw 4 being driven by servomotor 3, described column 2 is two columns, strains in addition cross bar 14 between two columns.By tension cross bar 14, increase the rigidity of fuselage, prevent that the column that is positioned at both sides from tilting; Described main spindle box elevating mechanism also has the lifting pedestal 5 of " H " shape to be connected on described column 2, is specifically connected with the line slideway 7 that is arranged on column inner side by slide 6, is provided with described servomotor 3 in lifting pedestal 5; The lower end cover of described ball screw 4 has feed screw nut's seat 8, described feed screw nut's seat 8 is arranged on the upper end of center support cylinder 9, described center support cylinder 9 is positioned in the middle of two columns, the lower end of described center support cylinder 9 is fixed on described base 1, the upper end of ball screw 4 is connected with travelling gear 10 through described lifting pedestal 5, top has round nut 11 to lock, described servomotor 3 output shafts and ball screw 4 are arranged in parallel, output shaft end is provided with synchronous pulley 12, is connected with travelling gear 10 by Timing Belt 13.Servomotor 3 drives ball screw 4 to rotate like this, and then drags lifting pedestal 5 along line slideway 7 oscilaltions.Two pillar constructions than single column the rigidity of drilling machine greatly strengthen, and more flexible than gantry structure, main spindle box is crossed on lifting pedestal 5, just can integral elevating.And because adopt servomotor 3 to be with nutating gear 10 and then to be driven ball screw 4 to rotate by Timing Belt 12, its transmission accuracy is high.
Embodiment 2: a kind of main spindle box elevating mechanism of drilling machine, its operation principle and primary structure are with embodiment 1, and difference is that this elevating mechanism also has lifting position-limit protective device.Be provided with limited block 15 in the upper end of line slideway 7.Fixing limited block can prevent that ball screw 4 from lifting pedestal 5 uphill process, stroke accident occurring, and played the effect of up position limitation protection.When the up top of slide 6 is to this limited block 15, servomotor 3 power down are shut down.And descending spacing be mainly that center support cylinder 9 ensures, ball screw 4 is descending, its lower end constantly screws in center support cylinder 9, until top is to the fixing base 1 in the lower end of center support cylinder 9 or be located at limited block in center support cylinder 9.
Embodiment 3: a kind of main spindle box elevating mechanism of drilling machine, its operation principle and primary structure are with embodiment 2, difference is to be also provided with on the lifting pedestal 5 of this main spindle box elevating mechanism anti-tenesmus mechanism, be specially electromagnetic lock 16, its dead bolt 1601 has the long nick 1602 adapting with the gear teeth 1001 of travelling gear 10, described long nick 1602 is just to the gear teeth 1001, and has a guide rod 17 from bottom to top through long nick 1602, and the lower end of described guide rod 17 is fixed on the table top 501 of lifting pedestal 5.In the time that servomotor 3 starts, dead bolt 1601 is retracted, and unclamps the gear teeth 1001, in the time that servomotor 3 is shut down, and protruding dead bolt 1601, stuck travelling gear 1001, wherein guide rod 17 plays the effect of guiding and anti-rotation bolt.Ensure that dead bolt 1601 seesaws, unlikely deflection, simultaneously after stuck travelling gear 1001, pass on lifting pedestal 5 stressed, prevent that travelling gear 10 from reversing, ball screw 4 automatically screws in center support cylinder 9 under Action of Gravity Field, and causes this main spindle box elevating mechanism tenesmus.
Therefore, the utility model, compared with the advantage that it is good, simple in structure, easy and simple to handle that prior art has integral rigidity, has increased the working range of drilling machine greatly, and transmission accuracy is high simultaneously, is applicable to numerical control drilling machine or milling machine.
Claims (4)
1. a main spindle box elevating mechanism for drilling machine, the ball screw (4) that comprises base (1) and column (2) and driven by servomotor (3), is characterized in that described column (2) is for two columns, described main spindle box elevating mechanism also has the lifting pedestal (5) of " H " shape to be connected on described column (2), specifically be connected with the line slideway (7) that is arranged on column (2) inner side by slide (6), in lifting pedestal (5), be provided with described servomotor (3), the lower end cover of described ball screw (4) has feed screw nut's seat (8), described feed screw nut's seat (8) is arranged on the upper end of center support cylinder (9), described center support cylinder (9) is positioned in the middle of two columns, the lower end of described center support cylinder (9) is fixed on described base (1), the upper end of ball screw (4) is connected with travelling gear (10) through the table top (501) of described lifting pedestal (5), there is round nut (11) locking on top, described servomotor (3) output shaft and ball screw (4) are arranged in parallel, output shaft end is provided with synchronous pulley (12), be connected with travelling gear (10) by Timing Belt (13).
2. the main spindle box elevating mechanism of drilling machine according to claim 1, is characterized in that straining in addition cross bar (14) between described two columns.
3. the main spindle box elevating mechanism of drilling machine according to claim 1, is characterized in that the upper end of described line slideway is provided with limited block (15).
4. according to the main spindle box elevating mechanism of the drilling machine described in claim 2 or 3, it is characterized in that being also provided with on described lifting pedestal anti-tenesmus mechanism, be specially electromagnetic lock (16), its dead bolt (1601) has the long nick (1602) adapting with the gear teeth (1001) of travelling gear (10), described long nick (1602) is just to the gear teeth (1001), and having guide rod (17) through long nick (1602), guide rod (17) lower end is fixed on the table top (501) of lifting pedestal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852172.2U CN203725834U (en) | 2013-12-23 | 2013-12-23 | Spindle box lifting mechanism of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852172.2U CN203725834U (en) | 2013-12-23 | 2013-12-23 | Spindle box lifting mechanism of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725834U true CN203725834U (en) | 2014-07-23 |
Family
ID=51195939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852172.2U Expired - Fee Related CN203725834U (en) | 2013-12-23 | 2013-12-23 | Spindle box lifting mechanism of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159727A (en) * | 2016-08-09 | 2016-11-23 | 国网山东省电力公司蓬莱市供电公司 | A kind of intelligent electric power switch cubicle |
| CN107855554A (en) * | 2017-04-21 | 2018-03-30 | 慈溪市鑫昶工业产品设计有限公司 | A kind of sheet material drilling equipment |
| CN107952974A (en) * | 2017-11-21 | 2018-04-24 | 杭州职业技术学院 | A kind of auto industry radial drilling machine equipment |
-
2013
- 2013-12-23 CN CN201320852172.2U patent/CN203725834U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159727A (en) * | 2016-08-09 | 2016-11-23 | 国网山东省电力公司蓬莱市供电公司 | A kind of intelligent electric power switch cubicle |
| CN107855554A (en) * | 2017-04-21 | 2018-03-30 | 慈溪市鑫昶工业产品设计有限公司 | A kind of sheet material drilling equipment |
| CN107952974A (en) * | 2017-11-21 | 2018-04-24 | 杭州职业技术学院 | A kind of auto industry radial drilling machine equipment |
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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: 20140723 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |