CN102380789A - Screw feeding device - Google Patents
Screw feeding device Download PDFInfo
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- CN102380789A CN102380789A CN2011103636602A CN201110363660A CN102380789A CN 102380789 A CN102380789 A CN 102380789A CN 2011103636602 A CN2011103636602 A CN 2011103636602A CN 201110363660 A CN201110363660 A CN 201110363660A CN 102380789 A CN102380789 A CN 102380789A
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Abstract
The invention relates to a machine tool feeding device, in particular to a screw feeding device. In the conventional motor-driven screw feeding device, universally the output end of the motor is connected with a coupler and one end of the screw is connected with the coupler to realize transmission; however, the low-temperature transmission or speed-variable transmission of the screw is difficult to realize. The screw feeding device disclosed by the invention comprises a servo motor and is characterized in that: the servo motor is connected with a reducer; the reducer is directly driven by the servo motor; the output end of the reducer is connected with a supporting and connecting mechanism which is matched and in plug-in connected with a ball screw; and one end of the ball screw is connected with a reducer motor. The reducer is directly driven by the servo motor and the low-speed or speed-variable transmission of the screw is realized; meanwhile, a coupler is not used, and cost is reduced.
Description
Technical field
The present invention relates to a kind of machine tool feed device, refer in particular to a kind of leading screw feed arrangement.
Background technology
Prior motor drives in the device of leading screw feeding, and what generally adopt is that the output of motor connects a shaft coupling, and an end and the shaft coupling of leading screw join, with the realization transmission; Certainly, some is directly to adopt the output of motor directly to connect with leading screw, reaches the purpose of transmission.
And existing diverse processing mode needs the feeding of type variable with regard to the feeding that has required leading screw, simultaneously, also can carry out variable-speed feeding speed.
Therefore there is the people to design " electrodynamic type roller press " by name (Chinese patent number 00203874.9, Granted publication CN 2406760Y); This patent has motor and is connected with leading screw, and leading screw is connected with slide unit through feed screw nut, and rolling tool is fixed on the slide unit; Also has another leading screw in the above-mentioned composition; Two rhizoid thick sticks link together through shaft coupling, and the screw thread rotation on the two rhizoid thick sticks is in the opposite direction, and leading screw is connected with slide unit through feed screw nut.
The connected mode that above-mentioned patent adopts is that motor is connected with the direct of leading screw; Solved the baroque defective of prior art, still, because general rotating speed of motor all is specified; Tend to motor is produced damage through the adjustment rotating speed of motor, increase the cost that keeps in repair or change motor.
Therefore, though above-mentioned patent simplifies the structure, but still exist the defective of transmission of leading screw low speed or speed change transmission.
Summary of the invention
The technical problem that one, will solve
The objective of the invention is to be directed against the defect problem that the above-mentioned leading screw of existing in prior technology is difficult to effectively carry out low speed transmission or speed change transmission, the spy provides a kind of leading screw feed arrangement that can effectively realize low speed transmission or speed change transmission.
Two, the technical scheme for solving the problems of the technologies described above
For solving the problems of the technologies described above; Leading screw feed arrangement of the present invention includes servomotor, wherein; Above-mentioned servomotor is fixed on the reductor; Above-mentioned reductor is directly driven by servomotor, and the output of above-mentioned reductor is connected with ball-screw and cooperates the support and connection mechanism of pegging graft, and above-mentioned ball-screw one end is connected with reductor.
As optimization; Above-mentioned support and connection mechanism includes bearing block, axle sleeve and bearing; Above-mentioned bearing cooperation is plugged on above-mentioned axle sleeve two ends; The axle sleeve that above-mentioned cooperation is plugged with bearing is arranged in the seat hole of above-mentioned bearing block, and the side of above-mentioned bearing block one side and above-mentioned reductor output is spirally connected fixing.
As optimization; Above-mentioned axle sleeve one end is an optical axis, and the other end is a multidiameter, and above-mentioned bearing includes taper roll bearing, thrust ball bearing and cylinder roller bearing; Above-mentioned taper roll bearing cooperation is plugged on the optical axis, and above-mentioned thrust ball bearing and cylinder roller bearing cooperation are plugged on the multidiameter.
As optimization, above-mentioned multidiameter end outer wall has annular groove, is provided with baffle ring in the above-mentioned annular groove.
As optimization, the end face of the above-mentioned bearing block end cap that is spirally connected, above-mentioned bearing block cooperates grafting with side plate, and above-mentioned bearing block and side plate are spirally connected fixing.
As optimization, above-mentioned ball-screw is pegged graft with the output of axle sleeve and above-mentioned reductor and key is connected.
Three, beneficial effect of the present invention
Reductor of the present invention is directly driven by servomotor, and through reductor, realizes the low speed transmission or the speed change transmission of leading screw, simultaneously, has also omitted shaft coupling, has reduced cost.
Description of drawings
Below in conjunction with accompanying drawing leading screw feed arrangement of the present invention is described further:
Fig. 1 is the overall structure explosive view of leading screw feed arrangement of the present invention;
Fig. 2 is the cutaway view of embodiment one reductor;
Fig. 3 is the cutaway view along the A-A of Fig. 2;
Fig. 4 is the structure principle chart of embodiment two leading screw feed arrangements.
Among the figure, 1 is servomotor, and 2 is reductor, and 3 is ball-screw, and 4 are support and connection mechanism, and 5 is bearing block; 6 is axle sleeve, and 7 is the seat hole, and 8 is optical axis, and 9 is multidiameter, and 10 is taper roll bearing; 11 is thrust ball bearing, and 12 is cylinder roller bearing, and 13 is annular groove, and 14 is baffle ring, and 15 is end cap; 16 is housing, and 17 is power shaft, and 18 is loam cake, and 19 are the input gear, and 20 is mount pad; 21 is installing hole, and 22 is the input bevel gear axle, and 23 are the transmission angular wheel shaft, and 24 are the transmission spur gear, and 25 is output shaft.
The specific embodiment
Embodiment one: shown in Fig. 1 to 3; Leading screw feed arrangement of the present invention includes servomotor 1, wherein; Servomotor 1 links to each other with reductor 2; Above-mentioned reductor 2 is directly driven by servomotor 1, and the output of above-mentioned reductor 2 is connected with ball-screw 3 and cooperates the support and connection mechanism 4 of pegging graft, and above-mentioned ball-screw 3 one ends are connected with reductor 2.
Above-mentioned support and connection mechanism 4 includes bearing block 5, axle sleeve 6 and bearing; Above-mentioned bearing cooperation is plugged on above-mentioned axle sleeve 6 two ends; The axle sleeve 6 that above-mentioned cooperation is plugged with bearing is arranged in the seat hole 7 of above-mentioned bearing block 5, and the side of above-mentioned bearing block 5 one sides and above-mentioned reductor 2 outputs is spirally connected fixing.
Above-mentioned axle sleeve 6 one ends are optical axis 8; The other end is a multidiameter 9; Above-mentioned bearing includes taper roll bearing 10, thrust ball bearing 11 and cylinder roller bearing 12; Above-mentioned taper roll bearing 10 cooperations are plugged on the optical axis 8, and above-mentioned thrust ball bearing 11 and cylinder roller bearing 12 cooperations are plugged on the multidiameter 9.Above-mentioned thrust ball bearing 11 is arranged on the inner of multidiameter 9, and cylinder roller bearing 12 is arranged on the outer end of multidiameter 9.
Above-mentioned multidiameter 9 end outer walls have annular groove 13; Be provided with the baffle ring 14 spacing in the above-mentioned annular groove 13 to above-mentioned cylinder roller bearing 12; Axial cheap to prevent that cylinder roller bearing 12 from taking place in practical work process, cause the wearing and tearing between inner each parts of device; The end face of above-mentioned bearing block 5 end cap 15 that is spirally connected, above-mentioned bearing block 5 cooperates grafting with side plate, and above-mentioned bearing block 5 is spirally connected fixing with side plate; Above-mentioned ball-screw 3 is pegged graft with the output of axle sleeve 6 and above-mentioned reductor 2 and key is connected.The above-mentioned baffle ring 14 of present embodiment is the opening baffle ring.
Above-mentioned reductor 2 is a spiral bevel gear reductor 2; Comprise a housing 16, these housing 16 upper surfaces are bolted with loam cake 18, and above-mentioned loam cake 18 is provided with the power shaft 17 of pegging graft with above-mentioned servomotor 1; Cooperate on this power shaft 17 and be plugged with the thrust ball bearing that cooperates with above-mentioned loam cake 18; A sidewall is provided with mount pad 20 in the above-mentioned housing 16, is provided with input bevel gear axle 22 in the installing hole 21 of this mount pad 20, and the axle head of above-mentioned input bevel gear axle 22 is provided with the input gear 19 with above-mentioned power shaft 17 engagements.
Above-mentioned input bevel gear axle 22 is provided with the taper roll bearing with above-mentioned installing hole 21 couplings.
Be provided with transmission angular wheel shaft 23 in the above-mentioned housing 16 with above-mentioned input bevel gear axle 22 engagements; Have engaging tooth on the axostylus axostyle of this transmission angular wheel shaft 23; Above-mentioned transmission angular wheel shaft 23 1 sides are provided with the output shaft 25 that is installed in above-mentioned housing 16 inside; Grafting one transmission spur gear 24 on this output shaft 25, above-mentioned transmission spur gear 24 is connected with above-mentioned output shaft 25 keys.
Above-mentioned transmission spur gear 24 and the above-mentioned engaging tooth engagement that is opened on transmission angular wheel shaft 23 axostylus axostyles.
Above-mentioned transmission angular wheel shaft 23 both sides axle heads are provided with the taper roll bearing that matches with above-mentioned housing 16.
Above-mentioned ball-screw 3 cooperates grafting and key to be connected the realization transmission with output shaft 25.
The shaft diameter of above-mentioned transmission angular wheel shaft 23 is less than the external diameter of transmission spur gear 24, to realize the low speed transmission.Certainly, also can be according to the needs of reality processing, the diameter of adjustment axostylus axostyle and/or the external diameter of transmission spur gear 24 are realized the high speed transmission.
Embodiment two: as shown in figs. 1 and 4, the above-mentioned reductor 2 of present embodiment is the multi-change speed reductor, and present embodiment reductor 2 is a 2-level reducer.
The axle head of above-mentioned servomotor 1 is connected with power shaft 17 keys of reductor 2, and above-mentioned ball-screw 3 is connected with output shaft 25 keys of above-mentioned reductor 2 through support and connection mechanism 4.
Above-mentioned support and connection mechanism 4 includes bearing block 5, axle sleeve 6 and bearing; Above-mentioned bearing cooperation is plugged on above-mentioned axle sleeve 6 two ends; The axle sleeve 6 that above-mentioned cooperation is plugged with bearing is arranged in the seat hole 7 of above-mentioned bearing block 5, and the side of above-mentioned bearing block 5 one sides and above-mentioned reductor 2 outputs is spirally connected fixing.
Above-mentioned axle sleeve 6 one ends are optical axis 8; The other end is a multidiameter 9; Above-mentioned bearing includes taper roll bearing 10, thrust ball bearing 11 and cylinder roller bearing 12; Above-mentioned taper roll bearing 10 cooperations are plugged on the optical axis 8, and above-mentioned thrust ball bearing 11 and cylinder roller bearing 12 cooperations are plugged on the multidiameter 9.Above-mentioned thrust ball bearing 11 is arranged on the inner of multidiameter 9, and cylinder roller bearing 12 is arranged on the outer end of multidiameter 9.
Above-mentioned multidiameter 9 end outer walls have annular groove 13; Be provided with the baffle ring 14 spacing in the above-mentioned annular groove 13 to above-mentioned cylinder roller bearing 12; Axial cheap to prevent that cylinder roller bearing 12 from taking place in practical work process, cause the wearing and tearing between inner each parts of device; The end face of above-mentioned bearing block 5 end cap 15 that is spirally connected, above-mentioned bearing block 5 cooperates grafting with side plate, and above-mentioned bearing block 5 is spirally connected fixing with side plate.
Claims (6)
1. leading screw feed arrangement; Include servomotor; It is characterized in that: said servomotor links to each other with reductor; Said reductor is directly driven by servomotor, and the output of said reductor is connected with ball-screw and cooperates the support and connection mechanism of pegging graft, and said ball-screw one end is connected with reductor.
2. leading screw feed arrangement according to claim 1; It is characterized in that: said support and connection mechanism includes bearing block, axle sleeve and bearing; Said bearing cooperation is plugged on said axle sleeve two ends; The axle sleeve that said cooperation is plugged with bearing is arranged in the seat hole of said bearing block, and the side of said bearing block one side and said reductor output is spirally connected fixing.
3. leading screw feed arrangement according to claim 2; It is characterized in that: said axle sleeve one end is an optical axis; The other end is a multidiameter; Said bearing includes taper roll bearing, thrust ball bearing and cylinder roller bearing, and said taper roll bearing cooperation is plugged on the optical axis, and said thrust ball bearing and cylinder roller bearing cooperation are plugged on the multidiameter.
4. leading screw feed arrangement according to claim 3 is characterized in that: said multidiameter end outer wall has annular groove, is provided with baffle ring in the said annular groove.
5. according to claim 2 or 3 or 4 described leading screw feed arrangements, it is characterized in that: the end face of the said bearing block end cap that is spirally connected, said bearing block cooperates grafting with side plate, and said bearing block and side plate are spirally connected fixing.
6. leading screw feed arrangement according to claim 5 is characterized in that: said ball-screw is pegged graft with the output of axle sleeve and said reductor and key is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103636602A CN102380789A (en) | 2011-11-16 | 2011-11-16 | Screw feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103636602A CN102380789A (en) | 2011-11-16 | 2011-11-16 | Screw feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102380789A true CN102380789A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103636602A Pending CN102380789A (en) | 2011-11-16 | 2011-11-16 | Screw feeding device |
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| CN (1) | CN102380789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689041A (en) * | 2012-06-19 | 2012-09-26 | 潘扶升 | Simple numerical control modified device of universal milling machine |
| CN102717327A (en) * | 2012-07-11 | 2012-10-10 | 银川市恒益达机械有限公司 | Oilstone servo expansion and shrinkage feed device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0834379A2 (en) * | 1995-02-10 | 1998-04-08 | Index-Werke Gmbh & Co. Kg Hahn & Tessky | Lathe |
| CN2508453Y (en) * | 2001-08-30 | 2002-08-28 | 洛阳国投精密机械有限公司 | Step/servo motor feed device for cold-rolling ring rolls |
| CN2803616Y (en) * | 2005-07-21 | 2006-08-09 | 石家庄轴承设备股份有限公司 | Reciprocating feeding gear |
| CN2933648Y (en) * | 2006-07-18 | 2007-08-15 | 武汉理工大学 | Precision cold rolling mill ring machine |
| CN201881189U (en) * | 2010-12-21 | 2011-06-29 | 齐重数控装备股份有限公司 | High-precision numerical-control vertical lathe saddle driving device |
| CN102172891A (en) * | 2011-02-01 | 2011-09-07 | 哈尔滨轴承集团公司 | Automatic feeding equipment of transverse reciprocating step motor of ball bearing inner groove grinding machine |
| CN202540010U (en) * | 2011-11-16 | 2012-11-21 | 宁波明润瑞达机械科技有限公司 | leading screw feeding device |
-
2011
- 2011-11-16 CN CN2011103636602A patent/CN102380789A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0834379A2 (en) * | 1995-02-10 | 1998-04-08 | Index-Werke Gmbh & Co. Kg Hahn & Tessky | Lathe |
| CN2508453Y (en) * | 2001-08-30 | 2002-08-28 | 洛阳国投精密机械有限公司 | Step/servo motor feed device for cold-rolling ring rolls |
| CN2803616Y (en) * | 2005-07-21 | 2006-08-09 | 石家庄轴承设备股份有限公司 | Reciprocating feeding gear |
| CN2933648Y (en) * | 2006-07-18 | 2007-08-15 | 武汉理工大学 | Precision cold rolling mill ring machine |
| CN201881189U (en) * | 2010-12-21 | 2011-06-29 | 齐重数控装备股份有限公司 | High-precision numerical-control vertical lathe saddle driving device |
| CN102172891A (en) * | 2011-02-01 | 2011-09-07 | 哈尔滨轴承集团公司 | Automatic feeding equipment of transverse reciprocating step motor of ball bearing inner groove grinding machine |
| CN202540010U (en) * | 2011-11-16 | 2012-11-21 | 宁波明润瑞达机械科技有限公司 | leading screw feeding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689041A (en) * | 2012-06-19 | 2012-09-26 | 潘扶升 | Simple numerical control modified device of universal milling machine |
| CN102717327A (en) * | 2012-07-11 | 2012-10-10 | 银川市恒益达机械有限公司 | Oilstone servo expansion and shrinkage feed device |
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Application publication date: 20120321 |