CN105840753A - Supporting mechanism of ball screw - Google Patents
Supporting mechanism of ball screw Download PDFInfo
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- CN105840753A CN105840753A CN201510019995.0A CN201510019995A CN105840753A CN 105840753 A CN105840753 A CN 105840753A CN 201510019995 A CN201510019995 A CN 201510019995A CN 105840753 A CN105840753 A CN 105840753A
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- ball screw
- supporting
- hole
- screw
- supporting mechanism
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Abstract
The invention provides a supporting mechanism of a ball screw. The mechanism comprises a base, two moving bases, and two supporting pieces. The two moving bases are arranged on the base, and the two moving bases can slip relative to each other on the base. The two moving bases are respectively provided with a supporting and abutting portion. The two supporting pieces are arranged between the two moving bases. The two supporting pieces have a common pivot. Supporting portions and abutting portions abutted against the supporting and abutting portion are respectively arranged above the pivot. The abutting portions of the two supporting pieces move relatively by slipping of the two moving bases, so as to adjust the included angle between the two supporting portions. The supporting portion contacts the screw shaft of the ball screw.
Description
Technical field
The present invention is the accessory in a kind of Linear transmission field, the supporting mechanism of a kind of ball screw.
Background technology
Refering to shown in Figure 10, showing the axonometric chart of known linear block, it is mainly provided with a ball screw 12 and a linear slide rail 13 drives and guides platform 14 linear reciprocation and moves in a pedestal 11.Wherein this ball screw 12 comprises screw rod 121 and the nut 122 being reciprocally moveable, and this linear slide rail 13 comprises two slide rails 131 and multiple slide block 132 being slidedly arranged on each this slide rail 131, and this platform 14 is to be fixedly arranged on this nut 122 and this slide block 132.The mode of this platform 14 of general linear module drive is through not showing the one end connecting this screw rod 121 of drive on a power set figure, this screw rod 121 is made to rotate to drive this nut 122 to move back and forth, and then make this platform 14 move back and forth, move along this slide rail 131, so that this platform 14 can smoothly linear reciprocation move because of this slide block 132 simultaneously.
But, once the stroke of this linear block is the longest, need the ball screw 12 of relative length to drive this platform 14, and long bolt 121 needs more material and becomes original making, also it is not easy in manufacture and processing procedure difficulty, because the sagging adjustment made of weight of screw rod 121 itself is difficult in assembling, because the relation of slenderness ratio has the possibility causing whipping during rotation.
I439614 Patent Case is announced just as TaiWan, China, mainly seek to solve the problems referred to above, but ball screw supporting mechanism that this patent is proposed is the most complicated, manufacturing cost is too high, and the ball screw for different size needs additionally to make supporting mechanism, the versatility of supporting mechanism is low, has necessity that improvement progresses greatly in fact.
Summary of the invention
Because the problems referred to above, present invention is primarily aimed at: research and develop the supporting mechanism of a kind of Long travel ball screw, can be easy to manufacture and reduce manufacturing cost and improve the versatility of this supporting mechanism.
For reaching above-mentioned purpose, the present invention is the supporting mechanism of a kind of ball screw, and it comprises: a pedestal；Two Mobile bases, it is located at this pedestal, and two these Mobile bases can respectively have a bearing and leaning portion in this pedestal, two these Mobile bases by Relative sliding；Two support members, it is located between two these Mobile bases, two these support members have a common pivot, a supporting part it is respectively equipped with above this pivot, and it is resisted against the butting section of this bearing and leaning portion, the relative displacement by the sliding of two these Mobile bases of the butting section of two these support members, to adjust the angle between two these supporting parts, this supporting part contacts with the screw shaft of this ball screw.
It is also preferred that the left this pedestal is provided with an axis hole, two these support members are provided with the through hole of this axis hole relatively, after being arranged in this axis hole and through hole by an axle center, and form the pivot of two these support members.
It is also preferred that the left this axis hole is strip, make this axle center can upper and lower displacement.
It is also preferred that the left further include an adjustment part, its one end is provided with left-handed outer tooth, the other end is provided with the outer tooth of dextrorotation, and two these Mobile bases set to be respectively equipped with and coordinate this left-handed outer tooth and the female thread of the outer tooth of dextrorotation, make two these Mobile base relative displacements by rotating this adjustment part.
It is also preferred that the left this pedestal is provided with a screw hole, two these Mobile bases are respectively equipped with the hole, location of this screw hole relatively, and this hole, location is strip, are arranged in this screw hole of the Kong Houyu locking of this location by a screw, with by two this Mobile base location.
The present invention adjusts the angle of the supporting part of two these support members by this Mobile base, carry out the outside dimension of the screw shaft of the ball screw of corresponding each specification, when the outside dimension of screw shaft is big, then adjust and there is the supporting part of relatively mitre to support this screw shaft, during such as the outside dimension of less screw shaft, otherwise the versatility of this supporting mechanism then, is improved by this mode.
Accompanying drawing explanation
Fig. 1 is the system diagram of the supporting mechanism of first embodiment of the invention ball screw；
Fig. 2 is the constitutional diagram of the supporting mechanism of first embodiment of the invention ball screw；
Fig. 3 is the system diagram of first embodiment of the invention supporting mechanism, linear slide rail and ball screw；
Fig. 4 is the constitutional diagram of first embodiment of the invention supporting mechanism, linear slide rail and ball screw；
Fig. 5 is the state diagram that first embodiment of the invention is applied to the supporting mechanism of the ball screw of small dimension；
Fig. 6 is the state diagram that first embodiment of the invention is applied to the supporting mechanism of the ball screw of big specification；
Fig. 7 is the constitutional diagram of the supporting mechanism of second embodiment of the invention ball screw；
Fig. 8 is the state diagram that second embodiment of the invention is applied to the supporting mechanism of the ball screw of small dimension；
Fig. 9 is the state diagram that second embodiment of the invention is applied to the supporting mechanism of the ball screw of big specification；
Figure 10 is the axonometric chart of the linear block of known techniques.
[symbol description]
Known techniques symbol description:
11 pedestals
12 ball screw 121 screw rods
122 nut 13 linear slide rails
131 slide rail 132 slide blocks
14 platforms
Symbol description of the present invention:
90 supporting mechanisms
1 pedestal
11 axis holes
12 screw holes
2 Mobile bases
21 hole, location
22 female threads
23 bearing and leaning portion
3 axle center
4 support members
41 through holes
42 butting sections
43 supporting parts
5 screws
6 adjustment parts
61 left-handed outer teeth
The outer tooth of 62 dextrorotation
7 linear slide rails
71 tracks
72 slide blocks
8 ball screws
81 screw shafts
82 nuts
M direction of displacement
A pivot.
Detailed description of the invention
In order to technical scheme is explained further, below by specific embodiment, the present invention will be described in detail.
Referring to shown in Fig. 1 to Fig. 6, for the present invention the first preferred embodiment, the supporting mechanism 90 of the ball screw of the present embodiment, it comprises: a pedestal 1, and it is provided with an axis hole 11 and screw hole 12；Two Mobile bases 2, it is located at this pedestal 1, two these Mobile bases 2 can Relative sliding in this pedestal 1, two these Mobile bases 2 respectively have a bearing and leaning portion 23, and the hole, location 21 of this screw hole 12 relatively, this hole, location 21 for strip as it is shown in figure 1, lock with this screw hole 12 after being arranged in this hole, location 21 by a screw 5, so that two these Mobile bases 2 are positioned；In order to adjust the distance of two these Mobile bases 2 accurately, the present embodiment is provided with an adjustment part 6, its one end is provided with left-handed outer tooth 61, the other end is provided with the outer tooth 62 of dextrorotation, two these Mobile bases 2 set to be respectively equipped with and coordinate this left-handed outer tooth 61 and the female thread 22 of the outer tooth 62 of dextrorotation, make this left-handed outer tooth 61 and the outer tooth 62 of dextrorotation guide female thread 22 and drive two these Mobile base 2 relative displacements by rotating this adjustment part 6；nullTwo support members 4，It is located between two these Mobile bases 2，Two these support members 4 have a common pivot A，The present embodiment is provided with the through hole 41 of this axis hole 11 relatively by two these support members 4，After being arranged in this axis hole 11 and through hole 41 by an axle center 3，And form the pivot A of two these support members 4，A supporting part 43 it is respectively equipped with above this pivot A，And it is resisted against the butting section 42 of this bearing and leaning portion 23，The butting section 42 of two these support members 4 is by the sliding of two these Mobile bases 2 and relative displacement，To adjust the angle between two these supporting parts 43，This supporting part 43 contacts with the screw shaft 81 of this ball screw 8，And this supporting part 43 is a plane in the present embodiment，This design can allow the frictional force between supporting part 43 and screw shaft 81 reduce，But such as it is intended to obtain and preferably keeps effect，This supporting part 43 can be designed as arcwall face，To increase the contact area between supporting part 43 and screw shaft 81，Reach to stablize the effect of this screw shaft 81，This screw shaft 81 is arranged in a nut 82.
During this supporting mechanism 90 actually used, a linear slide rail 7 of arranging in pairs or groups uses, and this linear slide rail 7 is made up of track 71 and slide block 72, this supporting mechanism 90 is fixed on this slide block 72 by multiple screws 5, and a ball screw 8 would generally set in nut 82 two ends and put a supporting mechanism 90 respectively, to allow this nut 82 smooth and easy run, and can be learnt by Fig. 5 and Fig. 6, when the supporting mechanism 90 of the present invention is used in the screw shaft 81 of various outer diameter, the screw shaft 81 of various outer diameter can be applicable to by the angle adjusting this supporting part 43, to promote its versatility, and the assembly of this supporting mechanism 90 is simply easily assembled, therefore also reduce the cost of production.
Refer to shown in Fig. 7 to Fig. 9, for second embodiment of the invention, the present embodiment is different from first embodiment to be: this axis hole 11 is strip, make this axle center 3 can upper and lower displacement, and when being applicable to the screw shaft 81 of ball screw of all size, this axle center 3 upper and lower displacement M can be allowed to adjust, as can be seen from figures 8 and 9, the lower section that so can allow this butting section 42 leans with bearing and leaning portion 23, make supporting part 43 can bear bigger weight, much more no longer the structure of remaining component, configuration and generation effect are identical with first embodiment, to repeat at this.
The announcement of embodiment described above is in order to illustrate the present invention, and is not used to limit the present invention, therefore the displacement of change and the equivalent elements of numerical value such as, scope of the invention must be subordinate to.
Claims (5)
1. the supporting mechanism of a ball screw, it is characterised in that it comprises a: pedestal；Two Mobile bases, it is located at this pedestal, and two these Mobile bases can respectively have a bearing and leaning portion in this pedestal, two these Mobile bases by Relative sliding；Two support members, it is located between two these Mobile bases, two these support members have a common pivot, a supporting part it is respectively equipped with above this pivot, and it is resisted against the butting section of this bearing and leaning portion, the butting section of two these support members is by the sliding of two these Mobile bases and relative displacement, and to adjust the angle between two these supporting parts, this supporting part contacts with the screw shaft of this ball screw.
2. the supporting mechanism of ball screw as claimed in claim 1, it is characterised in that: this pedestal is provided with an axis hole, and two these support members are provided with the through hole of this axis hole relatively, after being arranged in this axis hole and through hole by an axle center, and form the pivot of two these support members.
3. the supporting mechanism of ball screw as claimed in claim 2, it is characterised in that: this axis hole is strip, makes this axle center can upper and lower displacement.
4. the supporting mechanism of ball screw as claimed in claim 1, it is characterized in that: further include an adjustment part, its one end is provided with left-handed outer tooth, the other end is provided with the outer tooth of dextrorotation, two these Mobile bases set to be respectively equipped with and coordinate this left-handed outer tooth and the female thread of the outer tooth of dextrorotation, make two these Mobile base relative displacements by rotating this adjustment part.
5. the supporting mechanism of ball screw as claimed in claim 4, it is characterized in that: this pedestal is provided with a screw hole, two these Mobile bases are respectively equipped with the hole, location of this screw hole relatively, this hole, location is strip, it is arranged in this screw hole of the Kong Houyu locking of this location, with by two this Mobile base location by a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019995.0A CN105840753B (en) | 2015-01-15 | 2015-01-15 | The supporting mechanism of ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019995.0A CN105840753B (en) | 2015-01-15 | 2015-01-15 | The supporting mechanism of ball screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840753A true CN105840753A (en) | 2016-08-10 |
| CN105840753B CN105840753B (en) | 2018-06-26 |
Family
ID=56580738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510019995.0A Active CN105840753B (en) | 2015-01-15 | 2015-01-15 | The supporting mechanism of ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840753B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709603A (en) * | 1986-08-05 | 1987-12-01 | Buck James R | Adjustable sidewardly located bar puller |
| JPH09271991A (en) * | 1996-04-05 | 1997-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Device for matching and centering barrel parts of large diameter tubes |
| TW201043386A (en) * | 2009-06-04 | 2010-12-16 | Hiwin Tech Corp | Auto-aligning bracing mechanism of CNC machine |
| KR20110065198A (en) * | 2009-12-09 | 2011-06-15 | 주식회사 에이치케이알 | Pipe position control device and cutting machine therewith |
| KR20130020986A (en) * | 2011-08-22 | 2013-03-05 | 정운세 | Manipulator |
| CN203537470U (en) * | 2013-11-14 | 2014-04-09 | 大连成者科技有限公司 | Rapid book scanner |
-
2015
- 2015-01-15 CN CN201510019995.0A patent/CN105840753B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709603A (en) * | 1986-08-05 | 1987-12-01 | Buck James R | Adjustable sidewardly located bar puller |
| JPH09271991A (en) * | 1996-04-05 | 1997-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Device for matching and centering barrel parts of large diameter tubes |
| TW201043386A (en) * | 2009-06-04 | 2010-12-16 | Hiwin Tech Corp | Auto-aligning bracing mechanism of CNC machine |
| KR20110065198A (en) * | 2009-12-09 | 2011-06-15 | 주식회사 에이치케이알 | Pipe position control device and cutting machine therewith |
| KR20130020986A (en) * | 2011-08-22 | 2013-03-05 | 정운세 | Manipulator |
| CN203537470U (en) * | 2013-11-14 | 2014-04-09 | 大连成者科技有限公司 | Rapid book scanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840753B (en) | 2018-06-26 |
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