CN205201158U - Vertical feeding device of lathe cutter - Google Patents
Vertical feeding device of lathe cutter Download PDFInfo
- Publication number
- CN205201158U CN205201158U CN201520822235.9U CN201520822235U CN205201158U CN 205201158 U CN205201158 U CN 205201158U CN 201520822235 U CN201520822235 U CN 201520822235U CN 205201158 U CN205201158 U CN 205201158U
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- CN
- China
- Prior art keywords
- fixed
- driven shaft
- ball
- screw
- feeding device
- 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 application discloses vertical feeding device of lathe cutter, be provided with the driven shaft that sets up side by side with ball in its box, two lateral walls connecting in the box is relative are rotated respectively at the both ends of driven shaft, the outside cover of driven shaft is established and is fixed with the axle sleeve, the one end and a gear engagement of axle sleeve, another pot head is established and is fixed with the second gear, the motor is fixed in the outside of box, its output shaft extends in the box and is fixed with the third gear, this third gear and the 2nd gear engagement, be fixed with an at least locating pin between axle sleeve and the driven shaft. The utility model discloses a vertical feeding device of lathe cutter is small, compact structure, transmission precision high, easy maintenance.
Description
Technical field
The application belongs to machine tooling technical field, particularly relates to a kind of machine tool longitudinal feeding device.
Background technology
At present, longitudinal ball-screw of numerical-control horizontal lathe longitudinal feeding device passes through synchronous belt drive by servomotor, its shortcoming is that gearratio is little, and required motor specification is large, and cost is high, structure is compact not, simultaneously because toothed belt transmission has certain elastic deformation, directly can affect transmission accuracy, and when assembling, labour intensity is large, maintenance is inconvenient, and service life is short.
Utility model content
The purpose of this utility model is to provide a kind of machine tool longitudinal feeding device, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The embodiment of the present application discloses a kind of machine tool longitudinal feeding device, comprise ball guide screw nat, front-end bearing pedestal, rear bearing block, knife rest and motor, described ball guide screw nat comprises the ball-screw and nut that match, described nut and knife rest are fixed, the two ends of described ball-screw are rotationally connected with front-end bearing pedestal and rear bearing block respectively, described motor is connected to ball-screw and can drives ball screw turns, described front-end bearing pedestal comprises casing, described ball-screw one end extended in casing is fixed with the first gear, the driven shaft be set up in parallel with ball-screw is provided with in described casing, the two ends of described driven shaft are rotationally connected with two relative sidewalls of casing respectively, the outside of described driven shaft is sheathed is fixed with axle sleeve, one end of described axle sleeve and the first gears meshing, the other end is sheathed is fixed with the second gear, described motor is fixed on the outside of casing, its output shaft to extend in casing and is fixed with the 3rd gear, 3rd gear and the second gears meshing, at least one alignment pin is fixed with between described axle sleeve and driven shaft.
Preferably, at above-mentioned machine tool longitudinal feeding device, on described axle sleeve and driven shaft, correspondence offers installing hole, and described alignment pin is arranged in this installing hole.
Preferably, at above-mentioned machine tool longitudinal feeding device, described alignment pin is through driven shaft, and the axle sleeve of its two ends and driven shaft both sides is fixed respectively.
Preferably, at above-mentioned machine tool longitudinal feeding device, described alignment pin is bullet.
Preferably, at above-mentioned machine tool longitudinal feeding device, described alignment pin is provided with 2 along driven shaft axially spaced-apart.
Compared with prior art, the utility model has the advantage of: machine tool longitudinal feeding device volume of the present utility model is little, compact conformation, transmission accuracy are high, easy to maintenance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the structural representation of machine tool longitudinal feeding device in the utility model specific embodiment;
Figure 2 shows that the structural representation of front-end bearing pedestal in the utility model specific embodiment;
Figure 3 shows that the structural representation of ball guide screw nat in the utility model specific embodiment;
Figure 4 shows that the structural representation of rear bearing block in the utility model specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1, machine tool longitudinal feeding device, comprise ball guide screw nat 1, front-end bearing pedestal 2, rear bearing block 3, knife rest 4 and motor 5, ball guide screw nat 1 comprises the ball-screw 101 and nut 102 that match, wherein nut 102 is fixed with knife rest 4, and the two ends of ball-screw 101 are rotationally connected with front-end bearing pedestal 2 and rear bearing block 3 respectively.Motor 5 is connected to ball-screw 101 and ball-screw 101 can be driven to rotate.
Shown in composition graphs 2, front-end bearing pedestal 2 comprises casing 201, and ball-screw 101 one end extended in casing is fixed with the first gear 102.The driven shaft 202 be set up in parallel with ball-screw 101 is provided with in casing 201, the two ends of driven shaft 202 are rotationally connected with two relative sidewalls of casing 201 respectively, the outside of driven shaft 202 is sheathed is fixed with axle sleeve 203, one end of axle sleeve 203 is engaged with the first gear 102, the other end is sheathed is fixed with the second gear 204, motor 5 is fixed on the outside of casing 201, and its output shaft 501 to extend in casing 201 and is fixed with the 3rd gear the 502, three gear 502 and engages with the second gear 204.
At least one alignment pin 205 is fixed with between axle sleeve 203 and driven shaft 202.
Further, on axle sleeve 203 and driven shaft 202, correspondence offers installing hole, and alignment pin 205 is arranged in this installing hole.
Further, alignment pin 205 is through driven shaft 202, and the axle sleeve 203 of its two ends and driven shaft 202 both sides is fixed respectively.
Further, alignment pin 205 is bullet.
Further, alignment pin 205 is provided with 2 along driven shaft 202 axially spaced-apart.
The side of casing 201 is formed with installing hole 206, the inside horizontal-extending of tip edge of installing hole 206 has upper retaining wall 207, this installing hole 206 is removably fixed with bearing mounting base 208, bearing mounting base 208 is L-shaped, the linking arm 210 comprising lower retaining wall 209 and upwards vertically extend from lower retaining wall 209 outer end, detachably fixes between linking arm 210 and casing 201.Surround a bearing installation cavity 211 between bearing mounting base 208 and upper retaining wall 207, ball-screw 101 is arranged in this bearing installation cavity 211, and is provided with bearing assembly 212 between ball-screw 101 and bearing installation cavity 211.
Further, bearing assembly 212 comprises the first deep groove ball bearing 213, second deep groove ball bearing 214, first thrust bearing 215 and the second thrust bearing 216 set gradually vertically, is respectively equipped with back-up ring 217 between adjacent bearing.
Further, bearing mounting base 208 offers the lubrication hole 218 being communicated in bearing installation cavity 211.
Further, the outer surface of lower retaining wall 209 is formed and forms spacing stage portion 219 with installing hole 206 bottom edge.
Further, the first gear 102 is fixed on the end of ball-screw 101 by locking nut 220 and elastic circlip 221.
Shown in composition graphs 3, fixed block 103 is provided with between knife rest 4 and ball-screw 101, fixed block 103 is sheathed on the outside of ball-screw 101, clearance space 104 is formed between fixed block 103 and ball-screw 101, nut 102 is fixed in this clearance space 104, and the two ends of clearance space 104 are fixed respectively by pressing plate 105.
Further, nut 102 comprises the first nut 106 and the second nut 107 be set up in parallel.
Further, pressing plate 105 is removably fixed in the side of fixed block by nut.
Shown in composition graphs 4, rear bearing block 3 has a bearing installation cavity 301, bearing 302 is provided with between ball-screw 101 and bearing installation cavity 301, the two ends of rear bearing block 3 are respectively equipped with the first end cap 303 and the second end cap 304, first end cap 303 is near ball guide screw nat 1 one end, positioning baffle 305 is provided with between first end cap 303 and rear bearing block 3, first end cap 303 is recessed towards rear bearing block 3 side is formed with a cavity 306, the deep groove ball bearing 307 be sheathed on outside ball-screw is provided with in this cavity 306, the both sides of positioning baffle 305 protrude out the first circular limiting section 308 and the second limiting section 309 respectively, first limiting section 308 convexedly stretches in cavity 306, second limiting section 309 convexedly stretches in bearing installation cavity 301.
Further, sealing ring 310 is formed with between the first end cap 303 and ball-screw.
Further, be provided with 3 spaced bearings vertically between ball-screw 101 and bearing installation cavity 301, between adjacent bearing, be provided with back-up ring 311.
Further, rear bearing block 3 has L shape stage portion 312, second endcap support in stage portion 312.
Further, one end that ball screw extends described bearing installation cavity is fixed with encoder 314 by locking nut 313.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (5)
1. a machine tool longitudinal feeding device, it is characterized in that, comprise ball guide screw nat, front-end bearing pedestal, rear bearing block, knife rest and motor, described ball guide screw nat comprises the ball-screw and nut that match, described nut and knife rest are fixed, the two ends of described ball-screw are rotationally connected with front-end bearing pedestal and rear bearing block respectively, described motor is connected to ball-screw and can drives ball screw turns, described front-end bearing pedestal comprises casing, described ball-screw one end extended in casing is fixed with the first gear, the driven shaft be set up in parallel with ball-screw is provided with in described casing, the two ends of described driven shaft are rotationally connected with two relative sidewalls of casing respectively, the outside of described driven shaft is sheathed is fixed with axle sleeve, one end of described axle sleeve and the first gears meshing, the other end is sheathed is fixed with the second gear, described motor is fixed on the outside of casing, its output shaft to extend in casing and is fixed with the 3rd gear, 3rd gear and the second gears meshing, at least one alignment pin is fixed with between described axle sleeve and driven shaft.
2. machine tool longitudinal feeding device according to claim 1, is characterized in that: on described axle sleeve and driven shaft, correspondence offers installing hole, and described alignment pin is arranged in this installing hole.
3. machine tool longitudinal feeding device according to claim 2, is characterized in that: described alignment pin is through driven shaft, and the axle sleeve of its two ends and driven shaft both sides is fixed respectively.
4. machine tool longitudinal feeding device according to claim 1, is characterized in that: described alignment pin is bullet.
5. machine tool longitudinal feeding device according to claim 1, is characterized in that: described alignment pin is provided with 2 along driven shaft axially spaced-apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822235.9U CN205201158U (en) | 2015-10-22 | 2015-10-22 | Vertical feeding device of lathe cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822235.9U CN205201158U (en) | 2015-10-22 | 2015-10-22 | Vertical feeding device of lathe cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205201158U true CN205201158U (en) | 2016-05-04 |
Family
ID=55838899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520822235.9U Expired - Fee Related CN205201158U (en) | 2015-10-22 | 2015-10-22 | Vertical feeding device of lathe cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205201158U (en) |
-
2015
- 2015-10-22 CN CN201520822235.9U patent/CN205201158U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161022 |