CN101837554A - Pull-type follow-up bearing device of long lead screw of machine tool - Google Patents
Pull-type follow-up bearing device of long lead screw of machine tool Download PDFInfo
- Publication number
- CN101837554A CN101837554A CN 201010176506 CN201010176506A CN101837554A CN 101837554 A CN101837554 A CN 101837554A CN 201010176506 CN201010176506 CN 201010176506 CN 201010176506 A CN201010176506 A CN 201010176506A CN 101837554 A CN101837554 A CN 101837554A
- Authority
- CN
- China
- Prior art keywords
- lead screw
- guide rail
- follow
- support
- block
- 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
Links
Images
Abstract
The invention discloses a pull-type follow-up bearing device of a long lead screw of a machine tool, which consists of a lead screw, a nut seat, a left follow-up bracket, a right follow-up bracket, a bracket guide rail, a guide rail slider, a traction pulley and the like. The pull-type follow-up bearing device is characterized in that traction wheels are disposed at one side of the left follow-up bracket and the right follow-up bracket respectively; a steel rope is installed on the pulling wheel; one end of the steel rope is fixed on a pressure block on the bottom surface of a worktable, and the other end is fixed on a compaction seat of the machine tool body; and the bottoms of the left and right follow-up brackets are connected with the guide rail slider on the bracket guide rail. The invention not only solves the problem regarding the flexibility of the long lead screw and improves the motion rigidity of a transmission pair, but protects the lead screw and the nut seat against impact during high-speed movement and keeps the motion stability of the transmission pair; therefore, the working stability during precision grinding is ensured and the workpiece processing precision and the surface quality of the workpiece are effectively improved.
Description
Technical field
The present invention relates to the lathe transmission mechanism, relate in particular to a kind of pull-type follow-up bearing device of long lead screw of machine tool.
Background technology
The lathe transmission mechanism generally uses the lead screw pair transmission, when leading screw length during greater than 5 meters amount of deflection increase, rigidity dies down, exercise performance lowers and will influence the transmission accuracy of lead screw pair, needs leading screw is designed secondary support means for this reason.Supporting form of the prior art has multiple, has plenty of only single or many supportings in the fixed position design, adopts electric, fluid pressure linkage.This form is limited to improving supporting rigidity, and the clear area of supporting is arranged in the guide screw movement, and electricity, liquid interlock are subjected to the influence of response speed inapplicable to the high speed leading screw.To this, the Machine Tool design that has motorless auxiliary follow-up bearing device, though overcome above-mentioned shortcoming, but this motorless device is to rely on the nut seat motion to drive auxiliary stand to do left and right sides servo-actuated, can bring impact to movement parts such as workbench like this, especially bigger at a high speed, make the stressed instability of working angles, influence machined surface quality, be not suitable for being used for the accurate grinding process equipment.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of unpowered aiding support in the prior art, a kind of pull-type follow-up bearing device of long lead screw of machine tool is provided, it can improve the motion rigidity of leading screw, not only can be used for not being hit on the high speed leading screw, machining is not brought interference, can be used for the lathe of accurate grinding.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of pull-type follow-up bearing device of long lead screw of machine tool, comprise leading screw, nut seat, left and right servo support, support guide, guide rail slide block, hauling block, it is characterized in that: described hauling block is contained in a side of left and right servo support respectively, steel wire rope is housed on the hauling block, one end of described steel wire rope is fixed on the briquetting of workbench bottom surface, and the other end is fixed on the pressed seat of lathe bed; Described left and right servo support bottom is connected with guide rail slide block on being contained in support guide.
Technical scheme of the present invention can also be further perfect:
As preferably, bearing block is equipped with on the top of described left and right servo support, the cooling oil groove is arranged on the bearing block cylindrical and communicates with fuel feed hole on the end face, and described inner hole of bearing seat is equipped with needle bearing, the needle bearing endoporus is equipped with lining, is enclosed within on the leading screw to described lining matched in clearance; Described left and right servo support is linked to be a rigid body with two steel pipes.Left and right servo support is synchronized with the movement.
As preferably, described support guide and guide rail slide block have two groups; The guide rail slide block is connected with left and right servo support, and support guide is installed on the lathe bed, and its length is corresponding with the hauling distance of hauling block with the position.
The invention has the beneficial effects as follows the traction of adopting steel wire rope and hauling block, the left and right servo support that drive fuses, not only solved the amount of deflection of long lead screw, improve the motion rigidity of transmission, and leading screw and nut seat are not hit, kept the robust motion of transmission, thereby working stability when making accurate grinding can effectively improve workpiece machining accuracy and surface quality.
Description of drawings
Fig. 1 is a kind of front elevational schematic of the present invention.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the left and right sides support of Fig. 1 and the schematic diagram of leading screw connecting portion.
Fig. 4 is the connection diagram of left and right sides support and the servo-actuated guide rail of Fig. 1.
Specific implementation method
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Among the figure: 1 leading screw, 2 nut seats, 3 left servo supports, 4 right servo supports, 5 support guides, 6 guide rail slide blocks, 7 hauling blocks, 8 steel wire ropes, 9 workbench, 10 briquettings, 11 lathe beds, 12 pressed seats, 13 bearing blocks, 14 cooling oil grooves, 15 fuel feed holes, 16 needle bearings, 17 linings, 18 steel pipes.
Embodiment: as shown in Figure 1 and Figure 2, leading screw 1 diameter is 80 millimeters, and long 7597 millimeters (model: 8040-7597-7022-IT5), nut seat 2 is the HT250 foundry goods, and the nationality screw is connected with workbench 9, matches with leading screw 1 to constitute the lead screw transmission pair.Nut seat 2 left sides have left servo support 4, the right that right servo support 5 is arranged, and are the weldment combined member, also can be single-castings.On the right side of left servo support 3 hauling block 7 is housed, hauling block 7 is housed in the left side of right servo support 4.Two hauling blocks 7 can be around the axle rotation of self, two to be with diameter between taking turns be 6 millimeters steel wire rope 8, one end of steel wire rope 8 is fixed on the briquetting 10 of workbench 9, the other end is fixed on the pressed seat 12 of lathe bed 11, and briquetting 10 all is connected with workbench 9, lathe bed 11 respectively with 4 M12 screws with pressed seat 12.The bottom of a left side servo support 3 and right servo support 4 is connected with guide rail slide block 6 on being contained in support guide 5 with screw with every support.
Simple operation principle: drive nut seat 2 and workbench 9 moving linearlies when rotation drives leading screw 1, workbench 9 drives steel wire rope 8 and the left and right servo support 3,4 of hauling block 7 tractions is followed nut seat 2 servo-actuateds, thereby eliminated the leading screw amount of deflection that produces because of nut seat 2 change in displacement, reach the effect that servo-actuated is supported, improved the robust motion and the kinematic accuracy of lead screw transmission pair.
As shown in Figure 3, bearing block 13 is equipped with on the top of left side servo support 3 and right servo support 4, bearing block 13 is 45 steel parts, have spiral cooling oil groove 14 on its cylindrical, and communicate with fuel feed hole 15 on bearing block 13 end faces, play hydronic effect by outside supply pressure oil, take away leading screw 1 and lining 17 and needle bearing 16 fricative heats, with guarantee lead screw pair and servo support operate as normal.
As shown in Figure 4, support guide 5 and guide rail slide block 6 have two groups, and the employing model is SHS25R2QZDDC0+(1720+1720) 3440-
II.Guide rail slide block 6 is connected with left and right servo support 3,4, and support guide 5 is installed on the lathe bed 11, and its length is corresponding with the hauling distance of hauling block 7 with the position.
Adopt the structure that drags of the trail-type follow-up bearing device of the present invention, do not increase new power source, and hauling distance to be half of workbench effective travel distance get final product, be the technique device of kind of lowering and work-saving.
The present invention implements to use on the accurate linear rolling track form grinder of HZ-088CNC.
Specific embodiment of the present invention is that technical pattern of the present invention is illustrated, the technical staff of the technical field of the invention may be to the specific embodiment of foregoing description, make the additional or similar mode of some modifications and replace, but can not depart from the essence spirit of the technology of the present invention innovation scheme or surmount the defined scope of claims.
Claims (3)
1. pull-type follow-up bearing device of long lead screw of machine tool, comprise leading screw (1), nut seat (2), left and right servo support (3,4), support guide (5), guide rail slide block (6), hauling block (7), it is characterized in that: described hauling block (7) is contained in left and right servo support (3 respectively, 4) a side, steel wire rope (8) is housed on the hauling block (7), one end of described steel wire rope (8) is fixed on the briquetting (10) of workbench (9) bottom surface, and the other end is fixed on the pressed seat (12) of lathe bed (11); Described left and right servo support (3,4) bottom is connected with guide rail slide block (6) on being contained in support guide (5).
2. pull-type follow-up bearing device of long lead screw of machine tool according to claim 1, it is characterized in that: described left and right servo support (3,4) bearing block (13) is equipped with on top, cooling oil groove (14) is arranged on bearing block (13) cylindrical and communicate with fuel feed hole (15) on the end face, described bearing block (13) endoporus is equipped with needle bearing (16), needle bearing (16) endoporus is equipped with lining (17), is enclosed within on the leading screw (1) to described lining (17) matched in clearance; Described left and right servo support (3,4) is linked to be a rigid body with two steel pipes (18).
3. pull-type follow-up bearing device of long lead screw of machine tool according to claim 1 and 2 is characterized in that: described support guide (5) and guide rail slide block (6) have two groups; Guide rail slide block (6) connects with left and right servo support (3,4), and support guide (5) is installed on the lathe bed (11), and its length is corresponding with the hauling distance of hauling block (7) with the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010176506 CN101837554A (en) | 2010-05-19 | 2010-05-19 | Pull-type follow-up bearing device of long lead screw of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010176506 CN101837554A (en) | 2010-05-19 | 2010-05-19 | Pull-type follow-up bearing device of long lead screw of machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101837554A true CN101837554A (en) | 2010-09-22 |
Family
ID=42741343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010176506 Pending CN101837554A (en) | 2010-05-19 | 2010-05-19 | Pull-type follow-up bearing device of long lead screw of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101837554A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218665A (en) * | 2011-05-04 | 2011-10-19 | 清华大学 | Lead screw feeding platform with loading assistant support |
| CN103252678A (en) * | 2012-08-31 | 2013-08-21 | 天津市天工伟业数控机床有限公司 | Ball screw shake preventer |
| CN104924080A (en) * | 2015-07-13 | 2015-09-23 | 吕永昌 | Guide rail machining device |
| CN113894594A (en) * | 2021-12-08 | 2022-01-07 | 山东大学 | Combined nut-driven hydrostatic lead screw pair, servo feeding system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5720202A (en) * | 1994-09-28 | 1998-02-24 | Iai Corporation | Actuator |
| JP2867386B2 (en) * | 1988-08-31 | 1999-03-08 | 日本精工株式会社 | Feed screw support device |
| JP2923951B2 (en) * | 1988-09-07 | 1999-07-26 | 日本精工株式会社 | Feed screw support device |
| US5974904A (en) * | 1996-09-06 | 1999-11-02 | Deutsche Star Gmbh | Linear guide device |
| CN201012454Y (en) * | 2007-04-04 | 2008-01-30 | 四川长征机床集团有限公司 | Unpowered follow-up auxiliary support device for driving feed screw by machine tool |
| CN201693397U (en) * | 2010-05-19 | 2011-01-05 | 杭州机床集团有限公司 | Traction type servo supporting device for machine tool long lead screw |
-
2010
- 2010-05-19 CN CN 201010176506 patent/CN101837554A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2867386B2 (en) * | 1988-08-31 | 1999-03-08 | 日本精工株式会社 | Feed screw support device |
| JP2923951B2 (en) * | 1988-09-07 | 1999-07-26 | 日本精工株式会社 | Feed screw support device |
| US5720202A (en) * | 1994-09-28 | 1998-02-24 | Iai Corporation | Actuator |
| US5974904A (en) * | 1996-09-06 | 1999-11-02 | Deutsche Star Gmbh | Linear guide device |
| CN201012454Y (en) * | 2007-04-04 | 2008-01-30 | 四川长征机床集团有限公司 | Unpowered follow-up auxiliary support device for driving feed screw by machine tool |
| CN201693397U (en) * | 2010-05-19 | 2011-01-05 | 杭州机床集团有限公司 | Traction type servo supporting device for machine tool long lead screw |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218665A (en) * | 2011-05-04 | 2011-10-19 | 清华大学 | Lead screw feeding platform with loading assistant support |
| CN102218665B (en) * | 2011-05-04 | 2013-03-06 | 清华大学 | Lead screw feeding platform with loading assistant support |
| CN103252678A (en) * | 2012-08-31 | 2013-08-21 | 天津市天工伟业数控机床有限公司 | Ball screw shake preventer |
| CN103252678B (en) * | 2012-08-31 | 2016-01-13 | 天津市天工伟业数控机床有限公司 | Ball screw shake preventer |
| CN104924080A (en) * | 2015-07-13 | 2015-09-23 | 吕永昌 | Guide rail machining device |
| CN104924080B (en) * | 2015-07-13 | 2017-03-01 | 丽水学院 | Guide rail processing unit (plant) |
| CN113894594A (en) * | 2021-12-08 | 2022-01-07 | 山东大学 | Combined nut-driven hydrostatic lead screw pair, servo feeding system and method |
| CN113894594B (en) * | 2021-12-08 | 2022-04-01 | 山东大学 | Combined nut-driven hydrostatic lead screw pair, servo feeding system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101433983B (en) | Numerical control tooth grinder for spiral bevel gear | |
| CN101856789B (en) | Gantry numerical-control milling and grinding integrated lathe of fixed column and movable beam type | |
| CN101590623A (en) | Movable beam type NC grinding machine | |
| CN201685150U (en) | High-precision NC high-speed internal grinding machine | |
| CN101837554A (en) | Pull-type follow-up bearing device of long lead screw of machine tool | |
| CN102267055A (en) | Centre frame of machining cutting machine | |
| CN1785592A (en) | Grinding machnie used for processing linear guide rail | |
| AU2015296878A1 (en) | Rail vehicle having a device for finishing the running surface of track rails | |
| CN201960139U (en) | Centerless lathe adopting electric spindle and realizing automatic centering of cylindrical rod and pipe material | |
| CN104476345A (en) | Small and medium-sized plane form grinding machine tool | |
| CN201693397U (en) | Traction type servo supporting device for machine tool long lead screw | |
| CN202317298U (en) | Gear rack gear surface numerical control grinding machine | |
| CN201940897U (en) | Grinding wheel finishing device for grinder | |
| CN202726598U (en) | Numerical control drilling and milling machine | |
| CN102039560B (en) | Grinding wheel dresser of grinder | |
| CN103612170B (en) | Column longitudinal movement surface grinder | |
| CN102189432A (en) | Transverse transmission mechanism of numerically controlled drilling and milling machine | |
| CN202356867U (en) | Planer type milling machine | |
| CN101406975A (en) | Numerical control machine for lapping spiral bevel gear | |
| CN209035975U (en) | A kind of high-precision double-shaft horizontal boring and honing machine bed | |
| CN110039443A (en) | A kind of main shaft proceeding equipment of biplane grinding machine | |
| CN203031431U (en) | Honing machine | |
| CN205587964U (en) | Workstation can be manual with automatically move's machine tool | |
| CN201471267U (en) | Crossbeam-moving CNC grinding bed | |
| CN104759919B (en) | A kind of spindle nose milling attachment and its processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100922 |