CN102744613A - Lead screw auxiliary support device and machine tool - Google Patents
Lead screw auxiliary support device and machine tool Download PDFInfo
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- CN102744613A CN102744613A CN2012102195679A CN201210219567A CN102744613A CN 102744613 A CN102744613 A CN 102744613A CN 2012102195679 A CN2012102195679 A CN 2012102195679A CN 201210219567 A CN201210219567 A CN 201210219567A CN 102744613 A CN102744613 A CN 102744613A
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- leading screw
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Abstract
The invention relates to the technical field of machine tools, and discloses a lead screw auxiliary support device and a machine tool. The lead screw auxiliary support device comprises guide rails and a pair of lead screw auxiliary support components movably arranged on the guide rails; the pair of lead screw auxiliary support components are connected through a connecting piece; and buffers opposite to each other are arranged on the pair of lead screw auxiliary support components. In using process, a lead screw is supported by the pair of lead screw auxiliary support devices, and a screw is positioned between the pair of lead screw auxiliary support components; when the lead screw is rotated, under the driving of the lead screw, the screw and a moving part connected with the screw carry out to-and-fro movement; if the screw and the moving part have collision contact with the buffers, the buffers completely absorb impact load till the screw or the moving part is still relative to the lead screw auxiliary support components; compared with the prior art, the contact between the screw or the moving part and the lead screw auxiliary support device becomes soft and smooth, and the deformation and damage of the lead screw auxiliary support device caused by too large collision impact force are prevented.
Description
Technical field
The present invention relates to the machine tool technology field, particularly a kind of leading screw auxiliary support apparatus and lathe.
Background technology
In recent years; The construction machinery industry fast development in the whole world; The demand of heavy mechanical equipments such as the pump truck of all size, hydraulic crawler excavator, Coal Mechanical and blower fan is increasing, therefore, as the requisite parts of these heavy-duty machineries---the output of hydraulic cylinder is also more and more.
Because the endoporus of hydraulic cylinder has very high request for cylindricity and surface roughness, usually need be with scraping Precision Machining bore area of roller, to improve the surface quality of endoporus.And the tool feeding of scraping roller need be used ball-screw, and under the bigger situation of oil cylinder length, tool feeding length is bigger; Therefore; The length of required leading screw is also longer, and in process, the sagging phenomenon in middle part will appear because of the effect of self gravitation in leading screw; Add that leading screw rotates at a high speed in the process; Whole leading screw will produce serious flutter phenomenon, and the distortion of leading screw causes the receive force environment of ball in the leading screw raceway badly to be changed, and makes the transmission accuracy of leading screw and service life sharply descend.
For fear of the problems referred to above occurring; Usually need be for leading screw dispose corresponding auxiliary support apparatus, but in the existing leading screw auxiliary support apparatus, bracing or strutting arrangement is hard contact with contacting of moving component on the screw; When the feed speed of leading screw is big; Above-mentioned both are beginning to contact moment, produce bigger impulsive force, cause leading screw auxiliary support apparatus deformed damaged easily.
Therefore, how avoiding above-mentioned phenomenon occurring, is the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the present invention aims to provide a kind of leading screw auxiliary support apparatus and lathe, to solve the problem that existing leading screw auxiliary support apparatus damages because of the impulsive force easy deformation that is collided.
On the one hand; The invention provides a kind of leading screw auxiliary support apparatus; This leading screw auxiliary support apparatus comprises guide rail and is arranged at a pair of leading screw supplemental support assembly on the said guide rail movably; Link to each other through connector between the said a pair of leading screw supplemental support assembly, said a pair of leading screw supplemental support assembly is provided with buffer on the relative side.
Further, arbitrary leading screw supplemental support assembly comprises: be arranged at the movable block on the said guide rail movably, be fixedly installed in the bearing on the said movable block, and be fixedly installed in being used on the said bearing and support the support set of leading screw.
Further, between said bearing and the said movable block adjusting pad is installed also.
Further, said buffer is installed on the said bearing.
Further, said connector is two guide rods.
Further, the top of said support set is provided with the groove that is used to support leading screw, and the cross section of this groove is the circular arc less than semicircle.
Further, said support set is processed by high-abrasive material.
Further, said buffer is an oil buffer.
On the other hand, the present invention also provides a kind of lathe, and this lathe comprises lathe bed and leading screw screw pair, also comprises above-mentioned each described leading screw auxiliary support apparatus; Wherein, said guide rail is fixed on the said lathe bed, and is arranged in parallel with leading screw; Leading screw is upwards supported at the top of said a pair of leading screw supplemental support assembly; Said buffer is used for contacting with screw or with the continuous moving component collision of screw.
Further, said lathe is for scraping roller.
A kind of leading screw auxiliary support apparatus provided by the invention is provided with relative buffer at one of which on to leading screw supplemental support assembly; In use; Leading screw is supported by this a pair of leading screw supplemental support assembly, and screw is between this a pair of leading screw supplemental support assembly, when rotating under the driving of leading screw at power set; Leading screw drive screw and the moving component that links to each other with this screw move back and forth between this a pair of leading screw supplemental support assembly; If when screw or moving component and buffer on the leading screw supplemental support assembly collided and contact, buffer fully absorbed shock loading, and be translated into other form of energy and discharge; Screw or moving component and leading screw supplemental support assembly are static relatively until making; Compared with prior art, make screw or moving component and contacting of leading screw auxiliary support apparatus become soft steady, avoided the leading screw auxiliary support apparatus because of the excessive deformed damaged of collision impact power.In addition, in a kind of concrete scheme,, and then change rigidity of support through the tightness of adjusting pad adjustable support cover with leading screw.In addition, in a kind of concrete scheme,, easy to install through the top of support set being arranged to the arc structure of cross section less than semicircle.
Lathe provided by the invention has above-mentioned leading screw auxiliary support apparatus, because above-mentioned leading screw auxiliary support apparatus has above-mentioned technique effect, therefore, this lathe also has the corresponding techniques effect.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
The axonometric drawing of a kind of leading screw auxiliary support apparatus that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the plan structure sketch map of leading screw auxiliary support apparatus shown in Figure 1;
Fig. 3 be among Fig. 2 A-A to structural representation.
The specific embodiment
Should be pointed out that description and the description order to concrete structure only is the explanation to specific embodiment in this part, should not be regarded as that protection scope of the present invention is had any restriction.In addition, under the situation of not conflicting, embodiment and the characteristic among the embodiment in this part can make up each other.
Please do further detailed description below in conjunction with accompanying drawing and embodiment to the present invention simultaneously with reference to figure 1, Fig. 2 and Fig. 3.
As shown in the figure, the leading screw auxiliary support apparatus of this embodiment mainly comprises guide rail 1, buffer 6, guide rod 7, guide rod 8 and is arranged at a pair of leading screw supplemental support assembly on the guide rail 1 movably.
Wherein, arbitrary leading screw supplemental support assembly comprises movable block 2, adjusting pad 3, bearing 4 and support set 5; Movable block 2 is arranged on the guide rail 1 movably, and for example, movable block 2 is slidingly matched with guide rail 1, and and for example, movable block 2 is walked on guide rail 1 through ball, in order to reduce mobile frictional force, a kind of scheme in the preferred back of present embodiment; Bearing 4 is fixedly mounted on the movable block 2 through bolt 41; Adjusting pad 3 is used to adjust the distance (can realize through changing dissimilar adjusting pad 3) between bearing 4 and the movable block 2; And then the height of adjustment support set 5, be installed between adjustment bearing 4 and the movable block 2; Support set 5 is installed on the bearing 4 through bolt 51, is used to support leading screw, and is as shown in Figure 1, and the top of support set 5 is provided with the arc structure of cross section less than semicircle, and the outer surface of this arc structure and leading screw is complementary, and can play the effect of support, guiding to leading screw.
The both sides of two bearings 4 of a pair of leading screw supplemental support assembly are fixedly connected guide rod 7 and the guide rod 8 parallel both sides that are symmetrically arranged in guide rail 1 through guide rod 7 respectively with guide rod 8; The number of buffer 6 is two; Be separately positioned on the relative side of a pair of bearing 4; Be two buffers 6 on a pair of bearing 4 respectively towards the other side, buffer 6 is used for contacting with its collision during near bearing 4 at screw or the moving component that links to each other with screw, with abundant absorption shock loading.
In the foregoing description, guide rail 1 is provided with bolt hole and corresponding bolts 11, is convenient to the fixed installation in use of whole device.
In the foregoing description, the arc structure of cross section less than semicircle preferably adopted at the top of support set 5, helps the installation of leading screw, in other embodiments, also can adopt other form to be used to support leading screw as required.
Among the above-mentioned various embodiment, in order to reduce the wearing and tearing to leading screw, support set can adopt high-abrasive material (like Cu alloy material, but being not limited thereto) to process.
Among the above-mentioned various embodiment; Link to each other as connector with 8 through two guide rods 7 between two leading screw supplemental support assemblies; Help to increase the rigidity of whole leading screw auxiliary support apparatus; In other embodiments, also can adopt other forms of connector (like guide plate etc.) that two leading screw supplemental support assemblies are linked to each other as required, as long as can realize both servo-actuateds.
Among the above-mentioned various embodiment, adopt adjusting pad 3 to be used to adjust the setting height(from bottom) of bearing 4 on movable block 2, in other embodiments, also can adopt other forms that the setting height(from bottom) of bearing 4 is adjusted as required.
Among the above-mentioned various embodiment; Buffer 6 is fixedly mounted on the bearing 4; Among other embodiment, also can be as required with buffer 6 be fixedly mounted on bearing 4 relatively-stationary miscellaneous parts on, contact as long as can realize perhaps colliding with the continuous moving component of screw with screw.
Among the above-mentioned various embodiment, the number of the buffer 6 on each bearing 4 is one, among other embodiment, also can adopt plural buffer 6 as required.
Among the above-mentioned various embodiment; Arbitrary leading screw supplemental support assembly includes above-mentioned guide rail 1, movable block 2, bearing 4 and support set 5 etc.; Among other embodiment; The structure of leading screw supplemental support assembly is not limited thereto, as long as on arbitrary leading screw supplemental support assembly, be provided with corresponding buffers 6.
Among the above-mentioned various embodiment, buffer 6 preferred oil compression buffers are in a kind of specific embodiment; The slow buffer of this oil pressure mainly is made up of body, axle center, bearing, interior pipe (being located in the body), piston, hydraulic axis, spring etc.; The axle center when receiving external impacts (the for example impact of screw or the moving component that links to each other with screw), with driving the hydraulic oil in the pipe in the piston extruding, will be behind the hydraulic oil pressurized by the outage of interior pipe by the predetermined amount of flow discharge; Simultaneously; The hydraulic oil of being discharged by interior pipe is in the spill port of interior pipe is back to the pipe, and when external force disappeared, spring was waited for next action with the piston initial point that rebounds; This shows that oil buffer can make the object balance in moving stop effectively.
To sum up, the embodiment of the invention and based on the various modification of the embodiment of the invention and the leading screw auxiliary support apparatus that expansion provided is provided with the buffer towards the other side at one of which on to leading screw supplemental support assembly; In use; Leading screw is supported by this a pair of leading screw supplemental support assembly, and screw is between this a pair of leading screw supplemental support assembly, when rotating under the driving of leading screw at power set; Leading screw drive screw and the moving component that links to each other with this screw move back and forth between this a pair of leading screw supplemental support assembly; If when screw or moving component and buffer on the leading screw supplemental support assembly collided and contact, buffer fully absorbed shock loading, and be translated into other form of energy and discharge; Screw or moving component and leading screw supplemental support assembly are static relatively until making; Compared with prior art, make screw or moving component and contacting of leading screw auxiliary support apparatus become soft steady, avoided the leading screw auxiliary support apparatus because of the excessive deformed damaged of collision impact power.
The embodiment of the invention also provides a kind of lathe, for example scrapes roller, and this lathe comprises lathe bed and leading screw screw pair; Also comprise above-mentioned any leading screw auxiliary support apparatus; Wherein, the guide rail of leading screw auxiliary support apparatus passes through bolt on said lathe bed, and is arranged in parallel up and down with leading screw; Leading screw is upwards supported at the top of a pair of leading screw supplemental support assembly of leading screw auxiliary support apparatus; The buffer of leading screw auxiliary support apparatus is used for contacting with screw or with the continuous moving component collision of screw.Because above-mentioned leading screw auxiliary support apparatus has above-mentioned technique effect, therefore, the lathe that is provided with the leading screw auxiliary support apparatus also should possess the corresponding techniques effect, and the practical implementation process of its appropriate section and above-mentioned various embodiment are similar, do not give unnecessary details now.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. leading screw auxiliary support apparatus; It is characterized in that: said leading screw auxiliary support apparatus comprises guide rail (1) and is arranged at a pair of leading screw supplemental support assembly on the said guide rail (1) movably; Link to each other through connector between the said a pair of leading screw supplemental support assembly, said a pair of leading screw supplemental support assembly is provided with buffer (6) on the relative side.
2. leading screw auxiliary support apparatus as claimed in claim 1; It is characterized in that; Arbitrary leading screw supplemental support assembly comprises: be arranged at the movable block (2) on the said guide rail (1) movably; Be fixedly installed in the bearing (4) on the said movable block (2), and be fixedly installed in the support set that is used to support leading screw (5) on the said bearing (4).
3. leading screw auxiliary support apparatus as claimed in claim 2 is characterized in that: between said bearing (4) and the said movable block (2) adjusting pad (3) is installed also.
4. leading screw auxiliary support apparatus as claimed in claim 2 is characterized in that: said buffer (6) is installed on the said bearing (4).
5. like each described leading screw auxiliary support apparatus of claim 1 to 4, it is characterized in that: said connector is two guide rods.
6. like each described leading screw auxiliary support apparatus of claim 2 to 4, it is characterized in that: the top of said support set (5) is provided with the groove that is used to support leading screw, and the cross section of this groove is the circular arc less than semicircle.
7. leading screw auxiliary support apparatus as claimed in claim 6 is characterized in that: said support set (5) is processed by high-abrasive material.
8. like each described leading screw auxiliary support apparatus of claim 1 to 4, it is characterized in that: said buffer (6) is an oil buffer.
9. a lathe comprises that lathe bed and leading screw screw are secondary, and it is characterized in that: said lathe also comprises each described leading screw auxiliary support apparatus of claim 1 to 8; Said guide rail (1) is fixed on the said lathe bed, and is arranged in parallel with leading screw; Leading screw is upwards supported at the top of said a pair of leading screw supplemental support assembly; Said buffer (6) is used for contacting with screw or with the continuous moving component collision of screw.
10. lathe as claimed in claim 9 is characterized in that: said lathe is for scraping roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102195679A CN102744613A (en) | 2012-06-28 | 2012-06-28 | Lead screw auxiliary support device and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102195679A CN102744613A (en) | 2012-06-28 | 2012-06-28 | Lead screw auxiliary support device and machine tool |
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| Publication Number | Publication Date |
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| CN102744613A true CN102744613A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102195679A Pending CN102744613A (en) | 2012-06-28 | 2012-06-28 | Lead screw auxiliary support device and machine tool |
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| CN (1) | CN102744613A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394993A (en) * | 2013-08-16 | 2013-11-20 | 宁夏中卫大河机床有限责任公司 | Honing head following auxiliary support device of horizontal deep hole honing machine tool |
| CN103600232A (en) * | 2013-10-23 | 2014-02-26 | 山东鲁重数控机床股份有限公司 | Numerical control milling and boring composite machine tool |
| CN106392643A (en) * | 2016-12-05 | 2017-02-15 | 广东中聪机器人科技有限公司 | Four-channel multi-shaft numerically-controlled lathe |
| CN110561170A (en) * | 2019-09-24 | 2019-12-13 | 河北发那数控机床股份有限公司 | Numerical control gantry lead screw supporting structure |
| CN110948274A (en) * | 2019-12-16 | 2020-04-03 | 齐重数控装备股份有限公司 | Screw structure with hydraulic protection function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117036A (en) * | 1984-11-02 | 1986-06-04 | ドクトル‐インジエニエール・ルードルフ・ヘル・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Apparatus for supporting screw spindle |
| JP2007228688A (en) * | 2006-02-22 | 2007-09-06 | Iai:Kk | Actuator |
| 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 |
| CN201353711Y (en) * | 2009-02-26 | 2009-12-02 | 上海重型机床厂有限公司 | Leading screw supporting structure used in the transmission of machine tool over-long ball leading screw |
| CN101737376A (en) * | 2009-11-03 | 2010-06-16 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating hydraulic buffer |
| CN201513537U (en) * | 2009-09-27 | 2010-06-23 | 大连华根机械有限公司 | Screw supporting device |
| CN101886683A (en) * | 2010-01-29 | 2010-11-17 | 宁波亚德客自动化工业有限公司 | Adjustable hydraulic buffer |
| CN201836287U (en) * | 2010-09-30 | 2011-05-18 | 安徽意通电力设备有限公司 | High-power hydraulic buffer |
-
2012
- 2012-06-28 CN CN2012102195679A patent/CN102744613A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117036A (en) * | 1984-11-02 | 1986-06-04 | ドクトル‐インジエニエール・ルードルフ・ヘル・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Apparatus for supporting screw spindle |
| JP2007228688A (en) * | 2006-02-22 | 2007-09-06 | Iai:Kk | Actuator |
| 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 |
| CN201353711Y (en) * | 2009-02-26 | 2009-12-02 | 上海重型机床厂有限公司 | Leading screw supporting structure used in the transmission of machine tool over-long ball leading screw |
| CN201513537U (en) * | 2009-09-27 | 2010-06-23 | 大连华根机械有限公司 | Screw supporting device |
| CN101737376A (en) * | 2009-11-03 | 2010-06-16 | 宜昌市燕狮科技开发有限责任公司 | Low-speed bidirectional regulating hydraulic buffer |
| CN101886683A (en) * | 2010-01-29 | 2010-11-17 | 宁波亚德客自动化工业有限公司 | Adjustable hydraulic buffer |
| CN201836287U (en) * | 2010-09-30 | 2011-05-18 | 安徽意通电力设备有限公司 | High-power hydraulic buffer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394993A (en) * | 2013-08-16 | 2013-11-20 | 宁夏中卫大河机床有限责任公司 | Honing head following auxiliary support device of horizontal deep hole honing machine tool |
| CN103600232A (en) * | 2013-10-23 | 2014-02-26 | 山东鲁重数控机床股份有限公司 | Numerical control milling and boring composite machine tool |
| CN103600232B (en) * | 2013-10-23 | 2017-02-08 | 山东智汇专利运营有限公司 | Numerical control milling and boring composite machine tool |
| CN106392643A (en) * | 2016-12-05 | 2017-02-15 | 广东中聪机器人科技有限公司 | Four-channel multi-shaft numerically-controlled lathe |
| CN110561170A (en) * | 2019-09-24 | 2019-12-13 | 河北发那数控机床股份有限公司 | Numerical control gantry lead screw supporting structure |
| CN110948274A (en) * | 2019-12-16 | 2020-04-03 | 齐重数控装备股份有限公司 | Screw structure with hydraulic protection function |
| CN110948274B (en) * | 2019-12-16 | 2021-07-13 | 齐重数控装备股份有限公司 | Screw structure with hydraulic protection function |
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Application publication date: 20121024 |