CN2907984Y - Digital controlled feeding mechanism of drilling machine - Google Patents
Digital controlled feeding mechanism of drilling machine Download PDFInfo
- Publication number
- CN2907984Y CN2907984Y CN 200620074646 CN200620074646U CN2907984Y CN 2907984 Y CN2907984 Y CN 2907984Y CN 200620074646 CN200620074646 CN 200620074646 CN 200620074646 U CN200620074646 U CN 200620074646U CN 2907984 Y CN2907984 Y CN 2907984Y
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- CN
- China
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- drilling machine
- numerical control
- nut seat
- feed mechanism
- ball screw
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Abstract
The utility model discloses a numerical control feeding element for a lathe of drill press type, which comprises a case body of a principal shaft, a gear shaft, a principal shaft sleeve, a transmission unit, a gear box and a principally electric motor. The utility model is characterized in that the transmission unit is composed of a feed electric motor, a synchronous belt wheel set driven by the electric motor, a ball bearing screw rod set and a component of the nut seat. The ball bearing screw rod set is connected with the principal shaft sleeve by the component of the nut seat. The input shaft and output shaft of the feed electric motor are connected. The transmission unit is driven by the feed electric motor, and the rotation of the electric motor is controlled by a pulse signal from a numerical control circuit, the rotation is transmitted to the ball bearing screw rod set by the synchronous belt wheel set, and the ball bearing screw rod set is changed from the rotating movement to the rectilinear motion. Then the component of the nut seat brings the principal shaft sleeve of the lathe to complete the feed movement. The utility model can be used to improve the level of the automatization and intelligence of lathes of drill press type, as well as improve the processing efficiency, reduce the number and the labor force of operators.
Description
Technical field
The utility model relates to a kind of numerical control feeding mechanism of drilling machine class lathe, and this drilling machine class lathe comprises: bench drill, upright drill, radial drilling machine, milling and drilling machine, brill are attacked dual-purpose machine, are bored the lathe that mills band drilling functions such as slotting machine.
Background technology
Before the utility model was made, existing drilling machine class machine tool feeding mechanism had following several: 1. hand feeding mechanism; 2. machinery (gear) transmission feeding mechanism; 3. hydraulic drive feed mechanism; 4. pneumatics transmission feeding mechanism.The common problem that exists of these four kinds of feed mechanisms is that automaticity is low, efficient is low, does not possess intellectuality.Wherein hand feed also exists defectives such as labour intensity is big, though three kinds of feed mechanisms such as machine driving feeding, hydraulic drive feeding, pneumatics transmission feeding have solved the big problem of labour intensity, but still exist many other problems, as when the deep hole processing, can not solve problem of chip removal midway or the like.
Summary of the invention
The purpose of this utility model is in order to overcome the existing deficiency of above-mentioned feed mechanism, a kind of improved drilling machine class numerical control of machine tools feed mechanism to be provided.
The technical scheme that realizes the utility model purpose is such:
A kind of drilling machine class numerical control of machine tools feed mechanism, comprise main shaft casing, rack sleeve, transmission system, gearbox, main motor, it is characterized in that: described transmission system comprises the feeding motor and by the motor-driven synchronous pulley pair of this feeding, ball screw assembly, and nut seat assembly, described ball screw assembly, links to each other with rack sleeve by the nut seat assembly, and the power shaft of described feeding motor links to each other with feeding electric machine controller output.
Above-mentioned synchronous pulley pair is made up of big belt wheel, small pulley and synchronous band, be connected by being with synchronously between big belt wheel and the small pulley, described big belt wheel links to each other with ball screw assembly, by big belt wheel flange, tensioner cover, and described small pulley links to each other with the feeding motor output shaft by small pulley flange, tensioner cover.
Described nut seat assembly comprises nut seat and slide block, is connected with pin by screw between described slide block and the nut seat.
Ball screw assembly, comprises ball screw and feed screw nut, and the feed screw nut is fixedly installed on the nut seat assembly, and between ball screw and the feed screw nut to be threaded.
Described feeding electric machine controller is the feeding motor driver.
Described feeding motor can adopt reaction stepping motor or composite stepper motor, also can adopt servomotor etc., all can so long as can satisfy the feeding class motor of feed function requirement.
Described main shaft casing is made up of two separate individualities, and two separate individualities are fixed together, and described rack sleeve and transmission system are installed in one of them individuality, and another individuality is installed on the drilling machine main body lathe bed parts.The main shaft casing of tradition drilling machine is an integral body; the utility model is divided into two two not only separate but also be fixed together individualities; the benefit of doing like this is an one side drilling machine appearance looks elegant; can make easy to maintenance on the other hand; one of them individuality is used to solve the machine tool feed problem, places feed mechanism, and another individuality is fixed with drilling machine main body lathe bed; be used to strengthen the bonding strength of main shaft casing and drilling machine main body lathe bed parts, give feed mechanism simultaneously with dustproof protective effect.
Described gearbox is placed on the external top of main spindle box.Gearbox is placed on outside the main spindle box separately, make gearbox become an independently individuality, when assembling, can install as a module separately in advance, debug separately, check, also be convenient to the maintenance work after final assembly finishes, with after main spindle box is connected, the bonding strength and the rigidity of casings before and after also having strengthened simultaneously; On the other hand, in design, reduced the mutual interference situation with other parts, convenient function expansion in the future with upgrade.
Drilling machine class numerical control of machine tools feed mechanism described in the utility model, adopt the feeding motor as driver part in its transmission system, send the rotation of pulse signal control feeding motor by digital-control circuit, arrive ball screw assembly, by the synchronous pulley auxiliary driving, the ball-screw adjutant rotatablely moves and transfers rectilinear motion to, and carries out feed motion by nut seat assembly drive machine tool chief axis sleeve.
Drilling machine class numerical control of machine tools feed mechanism described in the utility model has effectively improved automation, intelligent degree and the working (machining) efficiency of drilling machine class lathe, has reduced the producer's quantity and the producer's labour intensity.At first, aspect the automaticity and intelligent degree that improve drilling machine class lathe, owing to adopted numerical control feeding mechanism, had at aspects such as professional, the practicality of drilling machine class lathe and function expansions and to have significantly improved, for example, in deep hole machining, can utilize the digital control system programming, solved processing chip removal problem midway well, realized that advancing (processing feeding) → rewind down (chip removal) → F.F. (getting back to the rewind down point) → worker by F.F. (fast feed) → worker advances ... → worker advances the overall process circulation that (completion of processing) → rewind down (working origin) is formed; In addition, by function expansion,, make drilling machine class lathe can adapt to the requirement of automatic production line owing to adopted numerical control feeding mechanism.
Description of drawings
Fig. 1 is a feed mechanism main spindle box body structure schematic diagram of the present utility model;
Fig. 2 is a feed mechanism drive system structure schematic diagram of the present utility model;
Fig. 3 is the structural representation of nut seat assembly in the feed mechanism of the present utility model;
Fig. 4 is a feed mechanism structural representation of the present utility model;
Fig. 5 is a feed mechanism feeding motor driver circuit schematic diagram of the present utility model.
Description of reference numerals:
(1) preceding casing (11) pressure ring (12) dust ring
(2) rear box (21) heat radiation window cover (22) illuminating lamp fixed head (211) fan
(31) big belt wheel (33) small pulley (34) of feeding motor (32) is with (35) nut seat (36) slide block (37) ball screw (38) feed screw nut (39) feed bracket synchronously
(4) rack sleeve
(5) gearbox
(6) main motor
(7) angular contact ball bearing group
(8) tensioner cover
(9) tensioner cover
(10) big belt wheel flange
(11) small pulley flange
(12) bearing cap
(13) connecting plate for electric motor
The specific embodiment
For ease of further understanding feed mechanism architectural feature of the present utility model and beneficial effect thereof, the spy reaches embodiment in conjunction with the accompanying drawings preferred implementation of the present utility model is described in detail as follows:
See also Fig. 1, shown in Figure 1 be in the feed mechanism main shaft casing by two separate individualities 1 and 2 structural representations of forming.Present embodiment has provided the main shaft casing and has been divided into the embodiment of two separate individualities, but does not influence drilling machine class lathe enforcement the utility model that the main shaft casing is an integral body.1 is one of them individuality of forming in two individualities of main shaft casing among Fig. 1, be referred to as preceding casing, the 2nd, another individuality in two individualities of composition main shaft casing, be referred to as rear box, before be connected with screw in the junction between casing 1 and the rear box 2, and locate by taper bolt, pressure ring 11 and dust ring 12 are equipped with in preceding casing 1 lower end, be fixed on the preceding casing 1 by screw axial, heat radiation window cover 21 is equipped with in both sides, rear box 2 front and back, on the heat radiation window cover 21 fan 211 is housed, illuminating lamp fixed head 22 is screwed and is installed on the rear box 2.
Fig. 2 is the structural representation of feed mechanism transmission system 3 of the present utility model, this transmission system 3 comprises feeding motor 31 and the synchronous pulley pair, ball screw assembly, and the nut seat assembly that are driven by this feeding motor 31, the synchronous pulley pair comprises big belt wheel 32, small pulley 33 and is with 34 synchronously, the nut seat assembly comprises nut seat 35 and slide block 36, adopt screw and pin to be connected and fixed between nut seat 35 and the slide block 36, its structure as shown in Figure 3.Ball screw assembly, comprises ball screw 37 and feed screw nut 38, feed screw nut 38 adopts screw to be fixedly mounted on the nut seat assembly, one end of ball screw 37 passes feed screw nut 38 also with it to be threaded, rotation along with ball screw 37, feed screw nut 38 moves up and down, thereby driving the rack sleeve that is fixed on the nut seat assembly moves up and down, the other end of ball screw 37 then radially is fixed on the feed bracket 39 by 7005AC angular contact ball bearing group 7, the 7005AC angular contact ball bearing is then fixed by slim nut, thereby ball screw assembly, axially is installed on the feed bracket 39 by bearing cap 12, big belt wheel 32 and small pulley 33, then by swelling cover 8, swelling cover 9, screw, big belt wheel flange 10 and small pulley flange 11 are installed on respectively on ball screw assembly, and the feeding motor 31, big belt wheel 32 links to each other with ball screw assembly,, small pulley 33 links to each other with feeding motor 31 output shafts, between big belt wheel 32 and the small pulley 33 to be with 34 to be connected synchronously, make the transmission of 37 of feeding motor 31 and ball screws that a fixing gearratio be arranged, feeding motor 31 is fixedly mounted on the connecting plate for electric motor 13,13 of connecting plate for electric motor are fixedly installed on the feed bracket 39, and the feeding motor 31 described in the present embodiment adopts composite stepper motor.
Shown in Figure 4 is feed mechanism structural representation of the present utility model, rack sleeve 4 is installed in the preceding casing 1 among the figure, feed bracket 39 is passed through bolt, pin is installed on the preceding casing 1, the transmission system 3 that comprises ball screw assembly, and feeding motor 31 also is installed on the preceding casing 1 by feed bracket 39, preceding casing 1 is connected the back and forms the main shaft casing with rear box 2, feeding motor 31 and ball screw assembly, are also covered by rear box 2 simultaneously, feeding motor 31 and ball screw assembly, be placed on make appearance of the machine tool attractive in appearance and play the dustproof effect in the rear box 2,5 of gearboxes are to use screw, the pin be installed on the whole main shaft casing, main motor 6 by be bolted to gearbox 5 above.
Fig. 5 is the drive circuit schematic diagram of feed mechanism feeding motor of the present utility model when being composite stepper motor, wherein, Fig. 5 (a) is a driver pre-amplification circuit schematic diagram, Fig. 5 (b) is an actuator power amplifying circuit schematic diagram, Fig. 5 (c) is the circuit theory diagrams of driver major loop, B circuitry phase schematic diagram is identical with A circuitry phase schematic diagram, and therefore, the schematic diagram of B circuitry phase does not illustrate among the figure.Doing the forward feeding with stepper motor 31 is example explanation drive operation principle:
As Fig. 5 (a), (b), (c), digital control system is sent GF " power amplifier " pulse and CCW " forward " pulse signal by the requirement of procedure to driver, driver by the optically-coupled reception after integrated circuit 40106,89C2051, AF16V8B forms A, / A, B, / B two-way stepper motor forward drive signal, this signal is through prestage integrated circuit 5213,3277 decompose amplification back output drive signal, and (with A is example mutually, down together): 1AL, AL, 1VB, 1VS, 1AH, AH, VS, VB, these signals are delivered to the driver major loop respectively, through CMOS high-power driving module V3, V4, V8, V9 amplifies back output stepper motor forward drive signal and drives the stepper motor winding L, the control step motor is by the requirement forward feeding of procedure, after feeding is finished, digital control system is cancelled GF and CCW pulse signal automatically, and stepper motor 31 is feed-disabling thereupon also.
Claims (8)
1. drilling machine class numerical control of machine tools feed mechanism, comprise main shaft casing, rack sleeve (4), transmission system (3), gearbox (5), main motor (6), it is characterized in that: described transmission system (3) comprises feeding motor (31) and the synchronous pulley pair, ball screw assembly, and the nut seat assembly that are driven by this feeding motor (31), described ball screw assembly, links to each other with rack sleeve (4) by the nut seat assembly, and the power shaft of described feeding motor (31) links to each other with feeding electric machine controller output.
2. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described synchronous pulley pair is by big belt wheel (32), small pulley (33) and be with (34) to form synchronously, be connected by synchronous be with (34) between big belt wheel (32) and the small pulley (33), described big belt wheel (32) links to each other with ball screw assembly, by big belt wheel flange (10), tensioner cover (8), and described small pulley (33) links to each other with feeding motor (31) output shaft by small pulley flange (11), tensioner cover (9).
3. drilling machine class numerical control of machine tools feed mechanism according to claim 1 is characterized in that: described nut seat assembly comprises nut seat (35) and slide block (36), adopts screw and pin to be connected and fixed between described slide block (36) and the nut seat (35).
4. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described ball screw assembly, comprises ball screw (37) and feed screw nut (38), described feed screw nut (38) is fixedly installed on the nut seat assembly, is connected with rib-loop between ball screw (37) and the feed screw nut (38).
5. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described feeding electric machine controller is the feeding motor driver.
6. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described feeding motor (31) can be reaction stepping motor or composite stepper motor, also can be servomotor.
7. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described main shaft casing is made up of two separate individualities (1,2), described rack sleeve (4) and transmission system are installed in the individuality (1), individual (1) and individual (2) is fixed together, and described individuality (2) is installed on the drilling machine main body lathe bed parts.
8. drilling machine class numerical control of machine tools feed mechanism according to claim 1, it is characterized in that: described gearbox (5) is placed on the external top of main spindle box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074646 CN2907984Y (en) | 2006-07-03 | 2006-07-03 | Digital controlled feeding mechanism of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074646 CN2907984Y (en) | 2006-07-03 | 2006-07-03 | Digital controlled feeding mechanism of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2907984Y true CN2907984Y (en) | 2007-06-06 |
Family
ID=38127195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620074646 Expired - Fee Related CN2907984Y (en) | 2006-07-03 | 2006-07-03 | Digital controlled feeding mechanism of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2907984Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601679A (en) * | 2012-03-26 | 2012-07-25 | 侯马市东鑫机械铸造有限公司 | Speed-adjustable automatic-feeding numerical control device for sleeve of lathe tailstock |
| CN104588266A (en) * | 2015-01-09 | 2015-05-06 | 池州睿成微电子有限公司 | IC chip pneumatic dispensing device |
-
2006
- 2006-07-03 CN CN 200620074646 patent/CN2907984Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601679A (en) * | 2012-03-26 | 2012-07-25 | 侯马市东鑫机械铸造有限公司 | Speed-adjustable automatic-feeding numerical control device for sleeve of lathe tailstock |
| CN104588266A (en) * | 2015-01-09 | 2015-05-06 | 池州睿成微电子有限公司 | IC chip pneumatic dispensing device |
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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: 20070606 Termination date: 20150703 |
|
| EXPY | Termination of patent right or utility model |