CN201795013U - Support device for horizontal lead screw - Google Patents
Support device for horizontal lead screw Download PDFInfo
- Publication number
- CN201795013U CN201795013U CN2010201667429U CN201020166742U CN201795013U CN 201795013 U CN201795013 U CN 201795013U CN 2010201667429 U CN2010201667429 U CN 2010201667429U CN 201020166742 U CN201020166742 U CN 201020166742U CN 201795013 U CN201795013 U CN 201795013U
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- CN
- China
- Prior art keywords
- lead screw
- horizontal lead
- supporting base
- fixed block
- support
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- Expired - Lifetime
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Abstract
A support device for a horizontal lead screw is arranged between a fixed part and a movable part of a mechanical device. The support device is characterized by comprising a support, a guiding mechanism, an elastic device and a stopper, the support is arranged on the fixed part in the manner that the support can vertically move relative to the lead screw in the perpendicular direction, two support rollers capable of supporting the horizontal lead screw are arranged on the support, the guiding mechanism is arranged on the fixed part and used for guiding the support to vertically move in the perpendicular direction, the elastic device is arranged between the support and the fixed part and used for driving the support to vertically move in the perpendicular direction, and the stopper is arranged on the movable part on one side of a nut seat in the manner that when the nut seat approaches the support, the support can be pressed down to avoid the nut seat. The support device for the horizontal lead screw has the advantages of simple structure, low cost and the like, drooping deformation of the horizontal lead screw under the action of gravity can be prevented, and transmission precision of the mechanical device and operational stability and durability are guaranteed.
Description
Technical field
The utility model relates to a kind of horizontal lead screw support device.
Background technique
Known, lead screw device is arranged between fixed block and the movable part usually in the machinery field, be used to drive movable part relative fixed part straight line motion, as be arranged at the sliding table of lathe and the lead screw device between the base, sliding table is mounted slidably on base by guide rail, lead screw device then drives sliding table and slides along guide rail, lead screw device is by the screw mandrel that is fixedly set on the fixed block, be fixedly set in the nut that is connected with wire rod thread on the movable part, and the motor that connects the rotation of driving screw mandrel is formed, described nut is fixedly mounted on the movable part by nut seat, lead screw device for horizontal arrangement, horizontal lead screw is sagging easily under the effect of gravity, particularly horizontal lead screw is in the process of running up, because be subjected to radially, the effect of axial force and gravity, very easily rock, sagging and the distortion, the sagging 1mm of screw mandrel meeting that general 4000mm is long, such deformation will influence the mobile accuracy of movable part, cause the machining accuracy of machinery low, shortcomings such as molding effect difference and product rejection rate height, normally adopt diameter that increases horizontal lead screw and the length that shortens horizontal lead screw in order to address the above problem, strengthen the rigidity of screw mandrel, to reduce the deformation of screw mandrel, but doing the overall volume that will make lead screw device like this increases, shortened the stroke of movable part simultaneously, the machinery volume is increased, weight increases, the cost height, and transmission accuracy is difficult to guarantee.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of horizontal lead screw support device simple in structure is provided, and this device can reduce the sagging and deformation of horizontal lead screw greatly, guarantees the transmission accuracy of lead screw device, the stability and the endurance of work.
For this reason, a kind of horizontal lead screw support device that the utility model provides, be arranged between the fixed block and movable part of machinery, relatively moving of described fixed block and movable part realizes by the horizontal lead screw device, described horizontal lead screw device has and is horizontally placed on the screw mandrel on the fixed block and is fixedly set on the movable part and screw mandrel nut engaged seat, it is characterized in that: comprise supporting base, can be arranged at up or down on the fixed block by described relatively in vertical direction screw mandrel, it is provided with two support rollers that can hold described horizontal lead screw;
Guide mechanism is arranged on the fixed block, is used to guide described supporting base to move up and down in vertical direction;
Elastic device is arranged between supporting base and the fixed block, is used to drive described supporting base and moves up and down in vertical direction;
Bounding means is arranged on the movable part of described nut seat one side, is arranged to can press down described supporting base and make it to avoid described nut seat when the described supporting base of described nut seat convergence.
Further, described bounding means is the vertical baffle that extends along described horizontal lead screw length direction, and the two ends of vertical baffle are formed with lead-in chamfered respectively, and described supporting base is provided with the down-pressure roller that can cooperate with the rolling of described vertical baffle bottom.
Further, described guide mechanism comprises being arranged on the described fixed block vertically extending directional post and being arranged at the pilot hole that matches with described directional post on the supporting base.
Further, described guide mechanism, comprise be arranged at vertically extending guide rail on the described fixed block and movable set with described guide rail on slide block, described slide block is fixedlyed connected with described supporting base.
Further, described elastic device is the spring that is arranged between supporting base and the fixed block.
Further, described elastic device is the slim cylinder that is arranged between supporting base and the fixed block.
Further, be symmetrically arranged with two elastic devices between described supporting base and the fixed block, and two described elastic devices are distributed in described horizontal lead screw both sides.
The utlity model has following beneficial effect:
But the support device of support level screw mandrel is set between the fixed block of machinery and movable part, this support device can be offset the influence of most of gravity to horizontal lead screw, effectively prevent horizontal lead screw sagging deformation, influence the transmission accuracy of machinery because of action of gravity produces; Adopt vertical baffle and down-pressure roller mating reaction dexterously, make supporting base avoid nut seat, prevent the collision of supporting base and nut seat; Support roller and down-pressure roller can reduce the friction between each parts of the utility model, prevent the wearing and tearing between each parts, improve working life of the present utility model; Compared with prior art, the utlity model has simple in structure, easy for installation, low cost and other advantages, can guarantee the transmission accuracy of lead screw device and the stability and the endurance of work.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model first embodiment's user mode figure, and supporting base is in low level.
Fig. 2 is the utility model first embodiment's user mode figure, and supporting base is in a high position.
Fig. 3 is the utility model second embodiment's user mode figure.
Fig. 4 is the utility model second embodiment's a structural representation.
Embodiment
Embodiment one, shown in seeing figures.1.and.2, to become the base 1 and the transmission between the worktable 2 of configuration up and down in the machinery is example, base 1 is provided with rectilinear orbit 11, worktable 2 is actively set on the base 1 by slide 21, the horizontal lead screw device is arranged between worktable 2 and the base 1, being used to drive worktable 2 moves along rectilinear orbit 11, wherein the horizontal lead screw device comprises the horizontal lead screw 42 that is arranged on the base 1, be arranged at the nut seat 41 on the worktable 2, and connect the motor (not shown) that drives horizontal lead screw 42 rotations, wherein nut seat 41 is provided with the nut (not shown) that matches in horizontal lead screw 42.
The horizontal lead screw support device comprises supporting base 3, guide mechanism, spring 34 and vertical baffle 32.Supporting base 3 be arranged at screw mandrel 42 under, it is provided with two support rollers 36 that can hold screw mandrel 42, and the down-pressure roller 31 that can cooperate with vertical baffle 32 rollings, wherein the rotating shaft of two support rollers 36 and screw mandrel 42 be arranged in parallel, and the rotating shaft of down-pressure roller 31 and screw mandrel 42 vertical settings; Guide mechanism is formed by being fixedly set on the base 1 vertically extending two directional posts 33 and being symmetrically formed in two pilot holes 35 of supporting base 3 both sides, and supporting base 3 can be arranged on the base 1 in vertical direction up or down by directional post 33 and pilot hole 35; Two springs 34 are symmetricly set between supporting base 3 and the base 1 by spring installation sleeve 37, are used to drive supporting base 3 and move up and down; Vertical baffle 32 is arranged on the worktable 2 of nut seat 41 1 sides, is formed with lead-in chamfered along the extension of screw mandrel 42 length directions and in two ends, is arranged to can press down supporting base 3 and make it to avoid nut seat 41 when nut seat 41 convergence supporting bases 3.
Concrete working method is: move on the effect lower support seat 3 of spring 34 and be in a high position, and make two support rollers 36 hold horizontal lead screw 42, spring 34 power vertically upward is used to offset downward gravity, thereby reduce the sagging deformation of horizontal lead screw 42, guarantee the transmission accuracy of machinery, nut seat 41 also moves in the lump in worktable 2 moving process, when nut seat 41 convergence supporting bases 3, vertical baffle 32 and down-pressure roller 31 cooperate the downward power of supporting base 3 generations, supporting base 3 is descended be in low level, avoid nut seat 41, avoid recovering again behind the nut seat 41 support horizontal lead screw 42.
Embodiment two, with reference to Fig. 3 and shown in Figure 4, embodiment two is the crossbeam 5 of configuration about being applied to and the transmission between the slide 6, its main structure is the same with embodiment one, the main distinction is the change of guide mechanism, concrete guide mechanism comprise be arranged at vertically extending guide rail 38 on crossbeam 5 sides and movable set with guide rail 38 on slide block 39, slide block 39 is fixedlyed connected with supporting base 3.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (7)
1. horizontal lead screw support device, be arranged between the fixed block and movable part of machinery, relatively moving of described fixed block and movable part realizes by the horizontal lead screw device, described horizontal lead screw device has and is horizontally placed on the screw mandrel on the fixed block and is fixedly set on the movable part and screw mandrel nut engaged seat, it is characterized in that: comprise supporting base, can be arranged at up or down on the fixed block by described relatively in vertical direction screw mandrel, it is provided with two support rollers that can hold described horizontal lead screw;
Guide mechanism is arranged on the fixed block, is used to guide described supporting base to move up and down in vertical direction;
Elastic device is arranged between supporting base and the fixed block, is used to drive described supporting base and moves up and down in vertical direction;
Bounding means is arranged on the movable part of described nut seat one side, is arranged to can press down described supporting base and make it to avoid described nut seat when the described supporting base of described nut seat convergence.
2. a kind of horizontal lead screw support device according to claim 1, it is characterized in that: the vertical baffle of described bounding means for extending along described horizontal lead screw length direction, the two ends of vertical baffle are formed with lead-in chamfered respectively, and described supporting base is provided with the down-pressure roller that can cooperate with the rolling of described vertical baffle bottom.
3. a kind of horizontal lead screw support device according to claim 1 and 2 is characterized in that: described guide mechanism comprises being arranged on the described fixed block vertically extending directional post and being arranged at the pilot hole that matches with described directional post on the supporting base.
4. a kind of horizontal lead screw support device according to claim 1 and 2, it is characterized in that: described guide mechanism, comprise be arranged at vertically extending guide rail on the described fixed block and movable set with described guide rail on slide block, described slide block is fixedlyed connected with described supporting base.
5. a kind of horizontal lead screw support device according to claim 1 and 2 is characterized in that: described elastic device is the spring that is arranged between supporting base and the fixed block.
6. a kind of horizontal lead screw support device according to claim 1 and 2 is characterized in that: described elastic device is the slim cylinder that is arranged between supporting base and the fixed block.
7. a kind of horizontal lead screw support device according to claim 1 and 2 is characterized in that: be symmetrically arranged with two elastic devices between described supporting base and the fixed block, and two described elastic devices are distributed in described horizontal lead screw both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201667429U CN201795013U (en) | 2010-04-22 | 2010-04-22 | Support device for horizontal lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201667429U CN201795013U (en) | 2010-04-22 | 2010-04-22 | Support device for horizontal lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795013U true CN201795013U (en) | 2011-04-13 |
Family
ID=43849921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201667429U Expired - Lifetime CN201795013U (en) | 2010-04-22 | 2010-04-22 | Support device for horizontal lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223614A (en) * | 2013-04-15 | 2013-07-31 | 东莞市润星机械科技有限公司 | Lathe and screw rod support device thereof |
| CN110774039A (en) * | 2019-09-17 | 2020-02-11 | 浙江合奥机械科技有限公司 | Support arrangement based on lathe lead screw |
-
2010
- 2010-04-22 CN CN2010201667429U patent/CN201795013U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223614A (en) * | 2013-04-15 | 2013-07-31 | 东莞市润星机械科技有限公司 | Lathe and screw rod support device thereof |
| CN110774039A (en) * | 2019-09-17 | 2020-02-11 | 浙江合奥机械科技有限公司 | Support arrangement based on lathe lead screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fujian Jiatai Numerical Control Machinery Co.,Ltd. Assignor: Quanzhou Jiatai Numerical Control Co., Ltd. Contract record no.: 2015350000097 Denomination of utility model: Support device for horizontal lead screw Granted publication date: 20110413 License type: Exclusive License Record date: 20151225 Assignee: Fujian Jiatai Numerical Control Machinery Co.,Ltd. Assignor: Quanzhou Jiatai Numerical Control Co., Ltd. Contract record no.: 2015350000097 Denomination of utility model: Support device for horizontal lead screw Granted publication date: 20110413 License type: Exclusive License Record date: 20151225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160113 Address after: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee after: Fujian Jiatai Numerical Control Machinery Co.,Ltd. Address before: North Street Community Fengze District Quanzhou road Pu Xia Mei 362000 cities in Fujian Province Patentee before: Quanzhou Jiatai Numerical Control Co., Ltd. Effective date of registration: 20160113 Address after: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee after: Fujian Jiatai Numerical Control Machinery Co.,Ltd. Address before: North Street Community Fengze District Quanzhou road Pu Xia Mei 362000 cities in Fujian Province Patentee before: Quanzhou Jiatai Numerical Control Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 362012, Fujian City, Quanzhou province Luojiang District Shuangyang street, West Ring Road and six road intersection Patentee after: J-TECH CNC TECHNOLOGY CO., LTD. Address before: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee before: Fujian Jiatai Numerical Control Machinery Co.,Ltd. Address after: 362012, Fujian City, Quanzhou province Luojiang District Shuangyang street, West Ring Road and six road intersection Patentee after: J-TECH CNC TECHNOLOGY CO., LTD. Address before: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee before: Fujian Jiatai Numerical Control Machinery Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |