CN103286625B - Lathe relief arrangement - Google Patents
Lathe relief arrangement Download PDFInfo
- Publication number
- CN103286625B CN103286625B CN201310215826.5A CN201310215826A CN103286625B CN 103286625 B CN103286625 B CN 103286625B CN 201310215826 A CN201310215826 A CN 201310215826A CN 103286625 B CN103286625 B CN 103286625B
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- Prior art keywords
- hole
- saddle
- support member
- steel guideway
- guideway
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Abstract
The invention discloses a kind of lathe relief arrangement, relate to machine tool technology field, it comprises and is installed on steel guideway in the middle part of machine tool beam and rolls the off-load unit coordinated with steel guideway, off-load unit has the supporting seat be mounted on saddle, supporting seat offers the through hole towards the upper rail level of steel guideway, the support member slided along hole wall is set with in through hole, the top of through hole is connected with adjusting nut, be provided with elastic component between support member and adjusting nut, the lower end of support member is connected with by contiguous block the roller coordinated that to roll with the upper rail level of steel guideway.The present invention is compared to prior art, on the steel guideway of saddle being conducted oneself with dignity in the middle part of off-load to crossbeam by off-load unit, extend the service life of beam guideway, and off-load unit rolls with steel guideway and coordinates, substantially reduce frictional force, thus reduce the extra duty of motor, provide lathe dynamic accuracy, lathe can complete machining more fast and accurately.
Description
Technical field
The present invention relates to machine tool technology field, especially a kind of relief arrangement of big-and-middle-sized lathe movable part.
Background technology
Saddle is a kind of moving-member being usually used in Longmen machine tool, the saddle be arranged on machine tool beam is provided with main spindle box, the main shaft of main spindle box is connected with cutter, saddle is movably connected on crossbeam by pressing plate and guide rail, and slided along beam guideway by connected screw rod driving device, saddle and on load its slip on beam guideway is had a significant impact.Do force analysis to above-mentioned mounting means, can produce very large frictional force when can find that saddle slides on crossbeam, the drive motors of screw rod driving device realizes saddle slip with regard to needing to produce larger electric current.So just cause the extra duty of motor, this also have impact on the sensitivity of saddle movement simultaneously, causes mismachining tolerance, affects the quality of product.Most of weight of saddle acts on beam guideway, increase saddle in the frictional force of beam guideway, accelerate the service life shortening beam guideway, and guide rail impaired be also the key factor affecting machine finish, bring a lot of inconvenience can to so follow-up production and processing, affect the production cycle.
Summary of the invention
The object of this invention is to provide a kind of lathe relief arrangement, this relief arrangement can solve that the saddle of existing lathe exists on machine tool beam, the frictional force of movement is large, sensitivity is low, shortening beam guideway service life and affect the problem of machine finish.
In order to solve the problem, the technical solution used in the present invention is: this lathe relief arrangement comprises and is installed on steel guideway in the middle part of machine tool beam and rolls the off-load unit coordinated with described steel guideway, described steel guideway is arranged at the described machine tool beam side relative with the saddle be installed on described machine tool beam, and described steel guideway is arranged along the moving direction of described saddle; Described off-load unit has the supporting seat be mounted on described saddle, described supporting seat offers the through hole towards the upper rail level of described steel guideway, the support member slided along hole wall is set with in described through hole, the top of described through hole is connected with adjusting nut, be provided with elastic component between described support member and described adjusting nut, the lower end of described support member is connected with by contiguous block the roller coordinated that to roll with the upper rail level of described steel guideway.
In the technical scheme of above-mentioned lathe relief arrangement, technical scheme can also be more specifically: described saddle is provided with plural described off-load unit.
Further, the top of described support member has projection, and described elastic component is set in the periphery of described projection, described projection is also set with the packing ring be placed between described elastic component and described adjusting nut; The bottom of described adjusting nut offer match with described projection keep away a hole.
Further, described elastic component is butterfly spring.
Further, described through hole is circular hole, the cylinder of described support member and the described through hole section of being slidably matched is provided with a truncation surface, and described truncation surface is provided with the guide pad arranged along column axis direction, and the hole wall of described through hole is provided with the chute matched with described guide pad.
Further, described contiguous block protrudes from the lower surface of described supporting seat, and described roller protrudes from the lower surface of described contiguous block.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, all good steel guideway of bending resistance, anti-twisting property is set in the middle part of machine tool beam, and by being installed on off-load unit on saddle by saddle deadweight and the construction weight off-load that is installed on saddle on steel guideway, extends the service life of beam guideway; And the roller of off-load unit coordinates the friction produced to be rolling friction with the rolling of steel guideway, such frictional force reduces greatly relative to original force of sliding friction, thus reduce the extra duty of motor, and improve sensitivity and the positioning precision of saddle movement, make lathe can complete machining more fast and accurately.
2, in off-load unit, be provided with elastic component, be conducive to the interference reducing vibration, put forward high-precision stability; Adjusting nut is set, by the deflection regulating this nut to change elastic component, on the steel guideway of 80% off-load that saddle is conducted oneself with dignity in the middle part of crossbeam.
3, the elastic component in off-load unit is butterfly spring, and the rigidity of butterfly spring is large, and buffering vibration absorption ability is strong, and can bear large load with small deformation; Butterfly spring adds the stress point that packing ring can be used as adjusting nut, makes uniform force.
4, the through hole of supporting seat is set to circular hole, and the slipping cylinders section of support member connects guide pad, the slip of support member in through hole can be made more smooth and easy, avoid the generation of jam phenomenon.
5, the roller that coordinates of rolling with steel guideway protrudes from the lower surface of supporting seat and contiguous block, supporting seat and contiguous block and steel guideway can be avoided to produce and rub.
Accompanying drawing explanation
Fig. 1 is the front view of the off-load unit of the embodiment of the present invention.
Fig. 2 is the top view of off-load unit.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the scheme of installation of lathe relief arrangement.
Fig. 5 is the A place enlarged drawing of Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Lathe relief arrangement shown in Fig. 1 to Fig. 5 comprises and is installed on steel guideway 10 in the middle part of machine tool beam 9 and rolls the off-load unit coordinated with steel guideway 10, machine tool beam 9 is provided with saddle 8, this steel guideway 10 is arranged at machine tool beam 9 side relative with saddle 8, steel guideway 10 is arranged along the moving direction of saddle 8, perpendicular with the upper rail 8-1 of machine tool beam 9 and lower guideway 8-2; In the bilateral symmetry of saddle 8, two off-load unit are installed, off-load unit has the supporting seat 1 be mounted on saddle 8, supporting seat 1 offers the through hole 1-1 towards the upper rail level of steel guideway 10, the top of through hole 1-1 is connected with adjusting nut 4, is set with the support member 5 slided along hole wall in through hole 1-1; The top of support member 5 has projection, and the periphery of this projection is set with butterfly spring 6 and packing ring 7, and packing ring 7 is placed between butterfly spring 6 and adjusting nut 4, offer in the bottom of adjusting nut 4 match with projection keep away a hole 4-1; See Fig. 2 and Fig. 3, through hole 1-1 on supporting seat 1 is circular hole, support member 5 is provided with a truncation surface with the cylinder of the through hole 1-1 section of being slidably matched, truncation surface is installed with the guide pad 5-1 arranged along column axis direction, and the hole wall of through hole 1-1 is provided with the chute 1-2 matched with guide pad 5-1; See Fig. 3 and Fig. 5, the lower end of support member 5 offers a storage tank 5-2, contiguous block 2 is mounted by means of screws with in storage tank 5-2, the lower end of contiguous block 2 is hinged with the roller 3 coordinated that to roll with the upper rail level of steel guideway 10, contiguous block 2 protrudes from the lower surface of supporting seat 1, and roller 3 protrudes from the lower surface of contiguous block 2.On a saddle 8, multiple off-load unit can be installed as required, with steady off-load in other embodiments.
Before processing, rotating adjusting nut 4 is to regulate the deflection of butterfly spring 6.In mechanical processing process, saddle 8 and most of weight of component of being mounted thereon are by off-load unit dispersion off-load on steel guideway 10, and off-load unit to be coordinated with steel guideway 10 by its roller and effectively reduces the frictional force that saddle 8 moves generation; When carrying out low cruise, butterfly spring 6 regulates the deflection of self automatically according to the difference of stressed size, and the pressure acted on the roller 3 of steel guideway 10 is changed, and avoids saddle 8 to occur creeping phenomenon in motion process, improves machining accuracy; And vibration during high-speed cruising is little, is conducive to putting forward high-precision stability.
Claims (2)
1. a lathe relief arrangement, it is characterized in that: comprise and be installed on steel guideway in the middle part of machine tool beam and roll the off-load unit coordinated with described steel guideway, described steel guideway is arranged at the described machine tool beam side relative with the saddle be installed on described machine tool beam, and described steel guideway is arranged along the moving direction of described saddle; Described off-load unit has the supporting seat be mounted on described saddle, described supporting seat offers the through hole towards the upper rail level of described steel guideway, the support member slided along hole wall is set with in described through hole, the top of described through hole is connected with adjusting nut, elastic component is provided with between described support member and described adjusting nut, the lower end of described support member offers a storage tank, be mounted by means of screws with contiguous block in described storage tank, described contiguous block is connected with the roller coordinated that to roll with the upper rail level of described steel guideway; Described saddle is provided with plural described off-load unit; The top of described support member has projection, and described elastic component is set in the periphery of described projection, described projection is also set with the packing ring be placed between described elastic component and described adjusting nut; The bottom of described adjusting nut offer match with described projection keep away a hole; Described elastic component is butterfly spring; Described through hole is circular hole, and the cylinder of described support member and the described through hole section of being slidably matched is provided with a truncation surface, and described truncation surface is provided with the guide pad arranged along column axis direction, and the hole wall of described through hole is provided with the chute matched with described guide pad.
2. lathe relief arrangement according to claim 1, it is characterized in that: described contiguous block protrudes from the lower surface of described supporting seat, described roller protrudes from the lower surface of described contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215826.5A CN103286625B (en) | 2013-06-03 | 2013-06-03 | Lathe relief arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215826.5A CN103286625B (en) | 2013-06-03 | 2013-06-03 | Lathe relief arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103286625A CN103286625A (en) | 2013-09-11 |
| CN103286625B true CN103286625B (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215826.5A Expired - Fee Related CN103286625B (en) | 2013-06-03 | 2013-06-03 | Lathe relief arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103286625B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179054B (en) * | 2022-07-05 | 2024-04-12 | 吉林大学 | Unloading device and unloading method for beam guide rail of gantry machining center |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU633710A1 (en) * | 1977-06-07 | 1978-11-28 | Предприятие П/Я А-7795 | Arrangement for relieving the guides of machine tool transverse member |
| CN102699687A (en) * | 2012-06-05 | 2012-10-03 | 汉川机床集团有限公司 | Unloading cross beam for large-span gantry machine tool |
| CN102825498A (en) * | 2012-09-29 | 2012-12-19 | 柳州正菱重型数控机床有限公司 | Cross beam high-load unloading device |
| CN103042432A (en) * | 2013-01-10 | 2013-04-17 | 柳州正菱重型数控机床有限公司 | Anti-bending unloading device of machine tool beam |
| CN203343802U (en) * | 2013-06-03 | 2013-12-18 | 柳州正菱重型数控机床有限公司 | Unloading device of machine tool |
-
2013
- 2013-06-03 CN CN201310215826.5A patent/CN103286625B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU633710A1 (en) * | 1977-06-07 | 1978-11-28 | Предприятие П/Я А-7795 | Arrangement for relieving the guides of machine tool transverse member |
| CN102699687A (en) * | 2012-06-05 | 2012-10-03 | 汉川机床集团有限公司 | Unloading cross beam for large-span gantry machine tool |
| CN102825498A (en) * | 2012-09-29 | 2012-12-19 | 柳州正菱重型数控机床有限公司 | Cross beam high-load unloading device |
| CN103042432A (en) * | 2013-01-10 | 2013-04-17 | 柳州正菱重型数控机床有限公司 | Anti-bending unloading device of machine tool beam |
| CN203343802U (en) * | 2013-06-03 | 2013-12-18 | 柳州正菱重型数控机床有限公司 | Unloading device of machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103286625A (en) | 2013-09-11 |
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Granted publication date: 20160210 Termination date: 20160603 |