CN104647109A - Auxiliary supporting device for machine tool beam screw rod - Google Patents
Auxiliary supporting device for machine tool beam screw rod Download PDFInfo
- Publication number
- CN104647109A CN104647109A CN201410037259.3A CN201410037259A CN104647109A CN 104647109 A CN104647109 A CN 104647109A CN 201410037259 A CN201410037259 A CN 201410037259A CN 104647109 A CN104647109 A CN 104647109A
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- CN
- China
- Prior art keywords
- hole
- machine tool
- bearing
- supporting device
- tool beam
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/404—Screw bearings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/402—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw in which screw or nut can both be driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses an auxiliary supporting device for a machine tool beam screw rod and relates to the technical field of machinery manufacturing. The auxiliary supporting device is installed between a machine tool transverse sliding plate and a beam. A fixing support is arranged on the machine tool beam. A movable bracket is connected on the fixing support in a pressing mode and provided with a supporting block which is used for supporting the screw rod. The fixing support is provided with a horizontal first through hole, wherein the first through hole is sequentially provided with a spring, a pin and a bearing. One end, close to the spring, of the first through hole is provided with a sealing plate. The movable bracket is provided with a second through hole. The bearing is arranged in the first through hole of the fixing support and the second through hole of the movable bracket. A lifting pin is arranged in the second through hole. One side of the second through hole is provided with a third through hole. The third through hole is provided with a shaft and a bearing, wherein the bearing abuts against a guiding plate which is provided with a guiding groove, and the bearing extends into the guiding groove of the guiding plate. The auxiliary supporting device for the machine tool beam screw rod can solve the problems that the supporting device for the heavy machine tool beam screw rod is complex in structure and high in production cost and can only support partial drooping screw rods.
Description
Technical field
The present invention relates to plant equipment manufacturing technology field, especially a kind of device for large span heavy-duty screw supplemental support.
Background technology
In recent years, flourish along with domestic equipment manufacture, as the machine industry of equipment manufacturing machine tool in order to adapt to the needs of various enterprise, greatly develop a collection of high accuracy heavy machine tool, along with each increasing gradually to stroke of lathe, particularly Y-direction crossbeam, stroke has reached more than 5 meters, leading screw length more than 7 meters, because leading screw is horizontal positioned, therefore its rigidity is lower, easily generation is affected sagging by the factor such as gravity or temperature rise, steel ball in feed screw nut and between raceway contact stress increase, light then make ball contact face produces larger plastic deformation, affect the running precision of moving-member, even swing is produced in high-speed rotation, heavy then leading screw raceway working surface fatigue equivalent can be caused, thus reduce working life and the transmission efficiency of leading screw, past is for solving heavy machine tool long lead screw problem on deformation, mostly be adopt to increase by one auxiliary guide rail at leading trackside, and the mode of the connection bracket also grown than moving-member itself is housed on the moving part, utilize the short distance between support to ensure the required precision of leading screw within the scope of limited travel, aforesaid way to some extent solves the sagging problem of leading screw, but still there is following problem: 1, the increase of auxiliary guide rail improves the production cost of whole lathe, too increases the difficulty of processing and assembling simultaneously, 2, connection bracket limits the sagging entirety control of leading screw.
Summary of the invention
The object of this invention is to provide a kind of machine tool beam auxiliary lead screw supporting device, it can solve prior art medium and heavy machine tool beam screw lead supporting device complex structure, and production cost is high, can only solve the problem of local leading screw sag of chain.
In order to solve the problem, the technical solution used in the present invention is:
A kind of machine tool beam auxiliary lead screw supporting device, be arranged between lathe cross slide and crossbeam, leading screw is contained on described crossbeam, leading screw is connected with feed screw nut, described machine tool beam is provided with fixed support, movable bracket is crimped on described fixed support, and described movable bracket is provided with the back-up block for supporting described leading screw; Described fixed support is provided with the first through hole of level, is provided with spring, bearing pin and bearing successively in this first through hole, and described bearing is arranged on described bearing pin by pivot pin, is provided with shrouding at this first through hole near one end of described spring; Described movable bracket is provided with the second through hole, described bearing is located in the second through hole of described support bracket fastened first through hole and movable bracket, ejector pin is provided with in this second through hole, the side of described second through hole is provided with the third through-hole of level, this third through-hole is built with axle, and bearing is equipped with in the outer end of described axle, and described bearing abuts with a guide plate, described guide plate is provided with gathering sill, and described bearing stretches in the gathering sill of described guide plate.
In above technical scheme, further: described bearing pin is provided with elongated slot, described fixed support upper end is provided with the hole that communicate vertical with described first through hole, is provided with adjustment bolt in described hole.
Further: described fixed support is connected with described movable bracket by pressing plate.
Further: described back-up block is located at the bottom of described leading screw, the groove surface on described back-up block top is the arc surface corresponding to described leading screw external diameter.
Further: described gathering sill has introduction segment that the axis along described leading screw arranges and derives section, be connected with in turn between described introduction segment and described derivation section for described bearing be dodge that described feed screw nut arranges descending section, the current craspedodrome section of described feed screw nut and up section of return.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, in the present invention, large span leading screw can install many this devices of cover, adds the supplemental support point of leading screw, effectively reduces the sag of chain of leading screw;
2, the present invention moves up and down and adopts the mode of mechanical type driving; Each strength of parts increases, and decreases the probability that weak element damages;
3, structure of the present invention is simple, decreases the precision processing request to Big Part in Machine Tools such as crossbeams, effectively reduces the production cost of lathe.
Accompanying drawing explanation
Fig. 1 is the front view of machine tool beam auxiliary lead screw supporting device of the present invention.
Fig. 2 is that the A of Fig. 1 is to partial enlarged drawing.
Fig. 3 is guide plate front view.
Fig. 4 is the left sectional view of guide plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described: as shown in Fig. 1 ~ Fig. 2,
A kind of machine tool beam auxiliary lead screw supporting device, be arranged between machine tool beam 11 and cross slide 12, leading screw 13 is contained on crossbeam 11, leading screw 13 is connected with feed screw nut, include fixed support 1 and movable bracket 9, fixed support 1 is fixed on machine tool beam 11, movable bracket 9 is crimped on fixed support 1 by pressing plate, back-up block 10 by screw fastening on movable bracket 9, bearing 4 is arranged on bearing pin 3 by straight pin, and spring 2, bearing 4, bearing pin 3 are arranged in the first through hole of the level on fixed support 1 from left to right, the top of fixed support 1 is provided with the upright opening that communicate vertical with the first through hole of fixed support 1, upright opening is built with adjustment bolt 15, bearing pin 3 top has long gathering sill, adjustment bolt 15 stretches in the gathering sill of bearing pin 3 through the upright opening of fixed support 1, thus control spring 2, bearing 4, the bearing pin 3 transverse shifting distance in the first through hole of the level of fixed support 1, be provided with shrouding 14 at the left end of level first through hole, spring 2, bearing pin 3 and bearing 4 are encapsulated in level first through hole by shrouding 14, ejector pin 5 is arranged in the second through hole of the level on movable bracket 9, and ejector pin 5 abuts with bearing 4, and ejector pin 5 transverse shifting distance in the second through hole is controlled by the gathering sill on the feather key of fixed support 1 and ejector pin 5, above level second through hole on movable bracket 9, be provided with horizontally disposed third through-hole, be provided with axle 7 in third through-hole, axle 7 has outer end to be provided with bearing 8, during actual installation, make the first through hole of the level on the corresponding fixed support 1 of the second through hole of the level on movable bracket 9, due to the effect of spring 2 elastic force, bearing 4 is made to be between fixed support 1 and movable bracket 9 faying face, limit moving downward of movable bracket 9, when this position, groove arc face and the leading screw 13 of back-up block 10 fit tightly, adjust the upper-lower position of a whole set of bracing or strutting arrangement, then fix, namely the supplemental support point of the screw on leading screw 13 can be become, when screw on leading screw 13 moves left and right needs through this device, bearing 8 is along the introduction segment of the gathering sill on the guide plate 6 installed on the moving part, descending section, current section, return section and the motion of derivation section, as shown in Fig. 3 ~ Fig. 4, drive ejector pin 5, bearing pin 7, movable bracket 9, back-up block 10 entirety moves downward, avoid the interference of leading screw 13 and this bracing or strutting arrangement, this completes the whole process of supplemental support.This bracing or strutting arrangement can be installed multiple on a rhizoid thick stick, forms multiple supplemental support point, guarantees that leading screw is effectively supported, decrease leading screw sagging, ensure that the precision of lathe.
Claims (5)
1. a machine tool beam auxiliary lead screw supporting device, be arranged between machine tool beam (11) and cross slide (12), leading screw (13) is contained on described crossbeam (11), (13) are connected with feed screw nut with leading screw, it is characterized in that: described machine tool beam (11) is provided with fixed support (1), movable bracket (9) is crimped on described fixed support (1), and described movable bracket (9) is provided with the back-up block (10) for supporting described leading screw (13); Described fixed support (1) is provided with the first through hole of level, spring (2), bearing pin (3) and bearing (4) is provided with successively in this first through hole, described bearing (4) is arranged on described bearing pin (3) by pivot pin, is provided with shrouding (14) at this first through hole near one end of described spring (2); Described movable bracket (9) is provided with the second through hole, described bearing (4) is located in the first through hole of described fixed support (1) and the second through hole of movable bracket (9), ejector pin (5) is provided with in this second through hole, the side of described second through hole is provided with the third through-hole of level, this third through-hole is built with axle (7), bearing (8) is equipped with in the outer end of described axle (7), described bearing (8) abuts with a guide plate (6), described guide plate (6) is provided with gathering sill, and described bearing (8) stretches in the gathering sill of described guide plate (6).
2. machine tool beam auxiliary lead screw supporting device according to claim 1, it is characterized in that: described bearing pin (3) is provided with elongated slot, described fixed support (1) upper end is provided with the hole that communicate vertical with described first through hole, is provided with adjustment bolt (15) in described hole.
3. machine tool beam auxiliary lead screw supporting device according to claim 1 and 2, is characterized in that: described fixed support (1) is connected with described movable bracket (9) by pressing plate.
4. machine tool beam auxiliary lead screw supporting device according to claim 3, it is characterized in that: described back-up block (10) is located at the bottom of described leading screw (13), the groove surface on described back-up block (10) top is and the corresponding arc surface of described leading screw (13) external diameter.
5. machine tool beam auxiliary lead screw supporting device according to claim 1 and 2, it is characterized in that: described gathering sill has introduction segment that the axis along described leading screw (13) arranges and derives section, be connected with in turn between described introduction segment and described derivation section for described bearing (8) be dodge that described feed screw nut arranges descending section, the current craspedodrome section of described feed screw nut and up section of return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037259.3A CN104647109A (en) | 2014-01-26 | 2014-01-26 | Auxiliary supporting device for machine tool beam screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037259.3A CN104647109A (en) | 2014-01-26 | 2014-01-26 | Auxiliary supporting device for machine tool beam screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104647109A true CN104647109A (en) | 2015-05-27 |
Family
ID=53239019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410037259.3A Pending CN104647109A (en) | 2014-01-26 | 2014-01-26 | Auxiliary supporting device for machine tool beam screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104647109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942637A (en) * | 2015-07-14 | 2015-09-30 | 山东爱乐驰机器人科技有限公司 | Lead screw bracket |
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| CN101224588A (en) * | 2008-02-18 | 2008-07-23 | 陈波 | Long stroke water knife based on silk pole transmission |
| CN101367170A (en) * | 2008-09-19 | 2009-02-18 | 中捷机床有限公司 | Auxiliary support apparatus for preventing sag of transverse beam feed screw of numerical control machining center |
| CN101791769A (en) * | 2009-12-04 | 2010-08-04 | 威海华东数控股份有限公司 | Mechanical cross screw rod supporting device |
| CN101987422A (en) * | 2010-10-22 | 2011-03-23 | 西安交通大学 | Lever bracket for automatic lifting heavy machine tool |
| CN202540016U (en) * | 2011-12-09 | 2012-11-21 | 南京宁庆数控机床制造有限公司 | Auxiliary support device of numerical control machine tool long ball screw |
| CN202540035U (en) * | 2012-04-26 | 2012-11-21 | 烟台重科机电设备制造有限公司 | Auxiliary supporting mechanism of lead screw |
| CN203792079U (en) * | 2014-01-26 | 2014-08-27 | 柳州正菱重型数控机床有限公司 | Lathe horizontal beam lead screw auxiliary supporting device |
-
2014
- 2014-01-26 CN CN201410037259.3A patent/CN104647109A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224588A (en) * | 2008-02-18 | 2008-07-23 | 陈波 | Long stroke water knife based on silk pole transmission |
| CN101367170A (en) * | 2008-09-19 | 2009-02-18 | 中捷机床有限公司 | Auxiliary support apparatus for preventing sag of transverse beam feed screw of numerical control machining center |
| CN101791769A (en) * | 2009-12-04 | 2010-08-04 | 威海华东数控股份有限公司 | Mechanical cross screw rod supporting device |
| CN101987422A (en) * | 2010-10-22 | 2011-03-23 | 西安交通大学 | Lever bracket for automatic lifting heavy machine tool |
| CN202540016U (en) * | 2011-12-09 | 2012-11-21 | 南京宁庆数控机床制造有限公司 | Auxiliary support device of numerical control machine tool long ball screw |
| CN202540035U (en) * | 2012-04-26 | 2012-11-21 | 烟台重科机电设备制造有限公司 | Auxiliary supporting mechanism of lead screw |
| CN203792079U (en) * | 2014-01-26 | 2014-08-27 | 柳州正菱重型数控机床有限公司 | Lathe horizontal beam lead screw auxiliary supporting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942637A (en) * | 2015-07-14 | 2015-09-30 | 山东爱乐驰机器人科技有限公司 | Lead screw bracket |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |