CN104728379B - Ball screw support device - Google Patents
Ball screw support device Download PDFInfo
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- CN104728379B CN104728379B CN201310728982.1A CN201310728982A CN104728379B CN 104728379 B CN104728379 B CN 104728379B CN 201310728982 A CN201310728982 A CN 201310728982A CN 104728379 B CN104728379 B CN 104728379B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a ball screw support device. The ball screw support device mainly comprises a platform, two pivot bases arranged on the platform, a screw arranged between the pivot bases, two guide rails parallel to the platform, a first guide block, a second guide block, a support base slidably arranged on the guide rails and a nut unit, wherein the first guide block and the second guide block are arranged on the platform, and the nut unit is provided with a sliding rail and a slider unit, sleeves the screw and can drive the support base to be displaced relatively. The ball screw support device has the advantages that bending of the screw can be avoided; a distance for the nut unit to freely move relative to the support base is formed during displacement of the nut unit, and the support base is not driven to move synchronously in a certain section of travel, so that the nut unit has better stabilization effect during displacement, vibration generated when the nut unit drives the support base to be displaced synchronously is reduced, and service life of the lead screw is prolonged; draglines and pulleys are not used, so that structural complexity is reduced, reliability is high and follow-up maintenance cost is low.
Description
Technical field
The present invention relates to ball screw, particularly relates to a kind of ball screw support meanss.
Background technology
Drive mechanism on general purpose tool machine, mainly can with displacement located at the nut list of the screw rod with a screw rod and one
Unit is constituted, and by the displacement of the nut sections, allows the object synchronous shift that the nut sections are carried；In addition, to avoid working as
The spiro rod length is longer, and in the case of without appropriate support, causes the screw rod to produce bending phenomenon, therefore, the driver
Structure can be configured with a support meanss, the nut sections is moved on same centrage, it is to avoid increase abrasion, temperature rise
Too high, malformation etc. is lacked, while nut moving range can be increased, and guarantees the precision processed.
Refering to shown in Fig. 1, U.S. US5 is shown, a schema of 720, No. 202 ball bearing screw type actuators, it is mainly in spiral shell
The side of bar 11 is provided with a guide rail 12, and bridges between the screw rod 11 and guide rail 12 and have three support bases 13, between each support base 13
By drag-line 14,15 and pulley 16,17,18,19, acceleration, deceleration movement is carried out, this is work of the part of support base 13 using movable pulley
Dynamic principle so that support base 13 can reach the change direction of motion and translational speed, uses and supports the screw rod 11, it is to avoid the screw rod 11
Bending phenomenon is produced, however, because the gearing between each support base 13 is by the collocation pulley 16,17,18,19 of drag-line 14,15
Reach, in addition to complex in structure design, using after certain time limit, it connects drag-line 14,15 with pulley 16,17,18,19
Contact portion is tired after being slowly worn or ruptures, and reliability is low, highlights the defect of follow-up maintenance cost raising.
The content of the invention
The technical problem to be solved is to provide a kind of ball screw support meanss, and it mainly reaches mechanism's letter
The low purpose of single, maintenance cost.
Another technical problem to be solved by this invention is to provide a kind of ball screw support meanss, and it mainly improves and makes
Use the time limit.
To solve the above problems, the present invention provides a kind of ball screw support meanss, comprising：One platform；Two trunnion mounts,
The platform is installed in a distance；One screw rod, is arranged between two trunnion mount；At least one guide rail, is installed in this
Platform, and positioned at the side of the screw rod；One the first guiding block, is installed in the platform and between two trunnion mount, and has
One first guide ramp；One the second guiding block, is installed in the platform and between two trunnion mounts, and should with a direction
Second guide ramp of the first guide ramp；One support base, can with displacement be located at the guide rail and positioned at the screw rod lower section, and
With one be located at first and second guiding block above portions, at least one located at the portions and support the screw rod support fork and
One located at the portions track slot, the track slot have one first translot section, one connect the first translot section and to should first guiding
The first draw-in groove section on inclined-plane, one connect the first draw-in groove section and to should first and second guide ramp link slot section, one connection should
Link slot section and to should the second guide ramp the second draw-in groove section and one connect the second draw-in groove section the second translot section；One
Nut sections, are placed on the screw rod and can with displacement be located at the guide rail, and the nut sections are located at the support base portions top simultaneously
With one in the face of the bottom surface of the track slot；One drive group, is installed in the bottom surface of the nut sections, and sets along the vertical screw rod with one
The guide posts portion that direction is slidably inserted in the support base track slot is put, the guide posts portion can be in the first translot section, the first draw-in groove
Section, link slot section, the second draw-in groove section and the second translot section sliding, and the guide posts portion can against or depart from this first and second card
Groove section and departed from the first and second draw-in groove section by first and second guide ramp guiding.
It is preferred that the guide rail quantity is two, and the platform is installed in parallel to each other, and respectively positioned at the screw rod
Both sides；The bottom surface both sides of the support base are with more two support slippers for being slidably installed in two guide rail.
It is preferred that the first draw-in groove section of the support base have one first trough wall surface and one in the face of first trough wall surface and
Towards the first recessed draw-in groove wall of the first translot section direction, the first draw-in groove wall is that the guide posts portion for supplying the drive group is supported
Lean on, the second draw-in groove section of the support base has one second trough wall surface and in the face of second trough wall surface and towards the second translot section
The second recessed draw-in groove wall of direction, the second draw-in groove wall be for the drive group guide posts portion institute against.
It is preferred that the first translot section of the support base have one connect first trough wall surface the first outer translot wall,
And one parallel to the first outer translot wall and connect the first draw-in groove wall first in translot wall, the link slot section has
One connection first and second trough wall surface first connection trough wall surface and one parallel to the first outer translot wall and connect this first,
Two draw-in groove wall second connection trough wall surface, the second translot section have one parallel to this second connection trough wall surface and this first
Outer translot wall is in same plane and connects the second outer translot wall and of second trough wall surface parallel to the second outer translot
Wall and connect the second draw-in groove wall second in translot wall, the first outer translot wall and the translot wall in first,
First trough wall surface and the first draw-in groove wall, this first is connected trough wall surface and second is connected trough wall surface, second trough wall surface with this
With the second draw-in groove wall and the second outer translot wall and the beeline in second between translot wall more than the drive
The diameter in group guide posts portion.
It is preferred that first guiding block connects with more a first side for connecting the first guide ramp one end and one
The second side of the first guide ramp other end is connect, second guiding block connects the second guide ramp one end with more one
3rd side and one connect the second guide ramp other end the 4th side, make the vertical dimension between first and second side
Be equal to the vertical dimension between third and fourth side, equal to or less than this in first translot wall second be connected cell wall with this
Vertical dimension between face and equal to or less than this in second between translot wall and the second connection trough wall surface it is vertical away from
From.
It is preferred that the angle between first guide ramp and second side of first guiding block is equal to this second leading
Draw the angle between the second guide ramp of block and the 4th side, second be connected cell wall with this equal to or less than first trough wall surface
Angle between face and equal to or less than the angle between second trough wall surface and the second connection trough wall surface.
It is preferred that the angle and first cell wall between first guide ramp and second side of first guiding block
Angle between face and the second connection trough wall surface is between 1 degree to 89 degree.
It is preferred that the angle and first cell wall between first guide ramp and second side of first guiding block
Angle between face and the second connection trough wall surface is between 20 degree to 70 degree.
It is preferred that the bottom surface both sides of the nut sections are with more the two nut slide blocks for being slidably installed in two guide rail.
It is preferred that the drive group includes a slide rail and a slide unit, the slide rail, along the vertical screw rod setting direction ground
It is installed in the bottom surface of the nut sections；The slide unit, is slidably installed in the slide rail, and is inserted in being somebody's turn to do for the support base track slot with one
Guide posts portion.
Description of the drawings
Fig. 1 is a schema of U.S.'s US5,720,202 Patent Cases.
Fig. 2 is the axonometric chart of the embodiment of the present invention.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the profile of Fig. 2 line segment 4-4.
5 Fig. 5 are the top views of the embodiment of the present invention.
Fig. 6 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is resisted against the state of the first draw-in groove section.
Fig. 7 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is guided by the first guide ramp and departs from the first card
Groove section simultaneously slides to the state of the first translot section.
Fig. 8 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is resisted against the state of the second draw-in groove section and does not drive
State of the support base towards the second guiding Block direction displacement.
Fig. 9 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is resisted against the second draw-in groove section and drives support base court
The state of the second guiding Block direction displacement.
Figure 10 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is guided by the second guide ramp and departs from the second card
Groove section simultaneously slides to the state of the second translot section.
Figure 11 is the cardon of making of the embodiment of the present invention, shows that guide posts portion is resisted against the state of the second draw-in groove section and does not drive
State of the support base towards the first guiding Block direction displacement.
Figure 12 is the upper schematic diagram of the embodiment of the present invention, show capture the guiding blocks of Fig. 5 first and second and support base track slot it
Between relation condition.
Description of reference numerals
11 is screw rod
12 is guide rail
13 is support base
14th, 15 is drag-line
16th, 17,18,19 is pulley
21 is platform
22 is trunnion mount
23 is screw rod
24 is guide rail
31 is the first guiding block
311 is the first guide ramp
312 is first side
313 is second side
32 is the second guiding block
321 is the second guide ramp
322 is the 3rd side
323 is the 4th side
40 is support base
41 is portions
42 is to support fork
43 is track slot
431 is the first translot section
4311 is the first outer translot wall
4312 is translot wall in first
432 is the first draw-in groove section
4321 is the first trough wall surface
4322 is the first draw-in groove wall
433 is link slot section
4331 is the first connection trough wall surface
4332 is the second connection trough wall surface
434 is the second draw-in groove section
4341 is the second trough wall surface
4342 is the second draw-in groove wall
435 is the second translot section
4351 is the second outer translot wall
4352 is translot wall in second
44 is support slipper
50 is nut sections
51 is bottom surface
52 is nut seat
53 is nut
54 is nut slide block
60 is slide rail
70 is slide unit
71 is guide posts portion
711 is diameter
S is guide rail overall length
B2 is nut its length
B1 is support slipper length
A, B, C, D are hanging distances
L1, L2, L3, L4, L5 are distances
H1, H2, h1, h2 are vertical dimensions
R1, R2, R3, R4 are angles
Specific embodiment
Refering to shown in Fig. 2 to 6, a kind of ball screw support meanss that the embodiment of the present invention is provided, it is mainly by one
21, two, platform, 24, one, guide rail the second guiding block 32, of the first guiding block 31, of screw rod 23, two of trunnion mount 22,
40, nut sections 50 of individual support base and a drive group 70 are constituted, wherein：
Two trunnion mounts 22, are installed in a distance the platform 21.
The screw rod 23, is arranged between two trunnion mount 22.
Two guide rails 24, are abreast installed in the platform 21, and respectively positioned at the both sides of the screw rod 23.
First guiding block 31, is installed in the platform 21 and between two trunnion mount 22, and with one first guiding
Inclined-plane 311；In the present embodiment, first guiding block 31 is more located between two guide rail 24 and positioned at the lower section of the screw rod 23.
Second guiding block 32, is installed in the platform 21 and between two trunnion mount 22, and with one towards this
Second guide ramp 321 of one guide ramp 311；In the present embodiment, second guiding block 32 is more located between two guide rail 24
And positioned at the lower section of the screw rod 23, while with first guiding block 31 at a distance of a distance.
The support base 40, can with displacement be located at two guide rail 24 and positioned at the lower section of screw rod 23, and be located at one
The portions 41, two of the top of first and second guiding block 31,32 located at the portions 41 and support the screw rod 23 support fork 42 and
One is located at the portions 41 and the track slot 43 between the two supports fork 42, and the track slot 43 has one first translot section 431,
Connect the first translot section 431 and to should the first guide ramp 311 the first draw-in groove section 432, connect the first draw-in groove section
432 and to should the link slot section 433, of first and second guide ramp 311,321 connect the link slot section 433 and to should the
Second draw-in groove section 434 of two guide ramps 321 and a second translot section 435 for connecting the second draw-in groove section 434；The present embodiment
In, the bottom surface both sides of the support base 40 are with more two support slippers 44 for being slidably installed in two guide rail 24；The first draw-in groove section 432 has
Have one first trough wall surface 4321 and one in the face of first trough wall surface 4321 and towards 431 directions of the first translot section it is recessed first
There is draw-in groove wall 4322, the second draw-in groove section 434 one second trough wall surface 4341 and to face second trough wall surface 4341 and court
The second recessed draw-in groove wall 4342 of second translot section, 435 directions.
The nut sections 50, are placed on the screw rod 23 and can with displacement be located at two guide rail 24, the nut sections 50
Positioned at the top of 40 portions of support base 41 and with one in the face of the bottom surface 51 of the track slot 43；In the present embodiment, the nut sections 50
Mainly constituted by being provided with a nut 53 for being sheathed on the screw rod 23 in a nut seat 52, due to the nut 53 and the screw rod 23
Configuration and make that flowing mode is all identical with known, the also invention emphasis of non-invention, therefore for the detailed construction of the component such as this
No longer describe in detail with flowing mode is made；It is noted that the both sides of bottom surface 51 of the nut sections 50 are slidably installed in this with more two two leading
The nut slide block 54 of rail 24.
The drive group includes a slide rail 60 and a slide unit 70, the wherein slide rail 60, along the vertical screw rod 23
Setting direction it is installed in the bottom surface 51 of the nut sections 50.The slide unit 70, is slidably installed in the slide rail 60, and plants with one
In the track slot 43 of support base 40 and can be in the first translot section 431, the first draw-in groove section 432, link slot section 433, the second draw-in groove section
434 and the guide posts portion 71 of the sliding of the second translot section 435, and the guide posts portion 71 can against or depart from first and second draw-in groove
Section 432,434 and departed from the first and second draw-in groove section 432,434 by first and second guide ramp 311,321 guiding；This enforcement
In example, when the guide posts portion 71 is resisted against the first draw-in groove section 432, refers to and be resisted against the first draw-in groove wall 4322 and towards this
The direction displacement of first guiding block 31, when the guide posts portion 71 is resisted against the second draw-in groove section 434, refers to and is resisted against second card
Trough wall surface 4342 and towards the direction displacement of the second guiding block 32.
Thereby, as shown in Figure 6,7, when the guide posts portion 71 is located at the first draw-in groove section 432, the nut sections 50 can band
The support base 40 is moved towards the direction displacement of the first guiding block 31, when the corresponding position of the first guide ramp 311 of first guiding block 31
When the first draw-in groove section 432, the guide posts portion 71 is guided by first guide ramp 311 and departs from the first draw-in groove section 432
And the first translot section 431 is slided to, and as shown in the 8th, 9,10 figures, when the guide posts portion 71 is located at the second draw-in groove section 433, should
Nut sections 50 can drive the support base 40 towards the direction displacement of the second guiding block 32, and second when second guiding block 32 guides
When the correspondence of inclined-plane 321 is located at the second draw-in groove section 434, the guide posts portion 71 is guided by second guide ramp 321 and departs from this
Second draw-in groove section 434 simultaneously slides to the second translot section 435.
The above structure and its configuration for being each main member of the embodiment of the present invention are said.As for the embodiment of the present invention
Make flowing mode and its effect, be described as follows.
Refering to shown in Fig. 6, when the nut sections 50 are moved towards the direction of the first guiding block 31, the nut sections 50 can be synchronous
Drive the guide posts portion 71 towards the direction of the first guiding block 31 move, now, the support base 40 will not relative movement, until the guiding
Post portion 71 against the first draw-in groove wall 4322 to the draw-in groove section 432 of support base 40 first, due to the first draw-in groove wall
4322 is in the face of first trough wall surface 4321 and recessed towards 431 directions of the first translot section so that the first draw-in groove wall 4322
Direction after depression is different from the moving direction of guide posts portion 71, therefore, the nut sections 50 can drive the support base 40 synchronous
Towards the direction of the first guiding block 31 movement, to support the screw rod 23 of Long travel, it is to avoid screw rod 23 shakes and bending.
Refering to shown in Fig. 7, and then, when the nut sections 50 persistently drive the support base 40 synchronous towards first guiding block
When the correspondence of first guide ramp 311 of the movement of 31 directions and first guiding block 31 is located at the first draw-in groove section 432, the guiding
Post portion 71 can be guided and departed from the first draw-in groove section 432 and slide to the first translot section 431 by first guide ramp 311, directly
To the guide posts portion 71 abuts against the blind end for making the first translot section 431.
Refering to shown in Fig. 8,9, and then, when the nut sections 50 are moved towards the direction of the second guiding block 32, the nut list
Unit 50 synchronous can drive the guide posts portion 71 to move towards the direction of the second guiding block 32, now, the support base 40 will not relative movement,
And the guide posts portion 71 can slide onto the first draw-in groove section 432 and by the of the first draw-in groove section 432 by the first translot section 431
One trough wall surface 4321 is guided and slides the Jing link slot sections 433, until the guide posts portion 71 is against to the draw-in groove of support base 40 second
Till second draw-in groove wall 4342 of section 434, because the second draw-in groove wall 4342 is in the face of second trough wall surface 4341 and court
Second translot section, 435 directions are recessed so that the direction after the second draw-in groove wall 4342 is recessed is moved with the guide posts portion 71
Direction is different, therefore, the nut sections 50 can drive the support base 40 synchronous towards the direction of the second guiding block 32 movement, to support
The screw rod 23 of Long travel, it is to avoid screw rod 23 shakes and bending.
Refering to shown in Figure 10, and then, when the nut sections 50 persistently drive the support base 40 synchronous towards second guiding
When the correspondence of second guide ramp 321 of the movement of the direction of block 32 and second guiding block 32 is located at the second draw-in groove section 434, this is led
Drawing post portion 71 can be guided and departed from the second draw-in groove section 434 and slide to the second translot section 435 by second guide ramp 321,
Till the guide posts portion 71 abuts against the blind end for making the second translot section 435.
Refering to shown in Figure 11, finally, when the nut sections 50 are reversely moved towards the direction of the first guiding block 31, the nut
Unit 50 synchronous can drive the guide posts portion 71 to move towards the direction of the first guiding block 31, and now, the support base 40 relative will not be moved
It is dynamic, and the guide posts portion 71 can slide onto the second draw-in groove section 434 and by the second draw-in groove section 434 by the second translot section 435
Second trough wall surface 4341 is guided and slides the Jing link slot sections 44, until the guide posts portion 71 is against to the draw-in groove of support base 40 first
Till first draw-in groove wall 4322 of section 432, now, that is, return to Fig. 6 and make flowing mode, therefore repeat no more.
Accordingly, it is of the invention in addition to the screw rod 23 can be avoided to produce bending phenomenon, because the nut sections 50 are in displacement
During, there is the distance of automatic moving relative to the support base 40, and the support base 40 will not be driven in certain section of stroke
Gearing is produced, therefore so that the nut sections 50 are not limited by the support base 40 in displacement and reduce mobile range, instead
And make the nut sections 50 have bigger moving range.And the present invention is not used in design drag-line and pulley, therefore reduce
The complexity of structure design, preferably, follow-up maintenance cost is relatively low for reliability.
It is noted that being S refering to the length for shown in Fig. 5, making the screw rod 23 and the length equal to two guide rail 24, setting
The length of support slipper 44 in the bottom surface both sides of support base 40 and on two guide rail 24 is B1, located at the bottom of nut sections 50
If the both sides of face 51 and the length of nut slide block 54 on two guide rail 24 is B2, without the support base 40, the nut sections 50
Stroke is all S and B1, B2 is deducted in the range of S and produces many guide rails vacantly apart from A, B, C, D, accordingly, the nut sections 50
Can travel distance be equal to it is hanging apart from A, B, C, D summation without support slipper 44 and nut slide block 54 on guide rail 24.Wherein, hang
Ullage is length B2 of overall length S of guide rail 23 deduction installation nut slide block 54 from the summation of A, B, C, D and twice support slipper 44 is grown
Degree B1, the total kilometres that also can be walked for the nut sections 50.
Therefore when the present invention nut sections 50 in mid-ranges when, guide rail 24 it is hanging apart from B be equal to guide rail 24 it is hanging
Apart from C, the nut sections 50 are allowed at 40 or so two ends of support base, nut sections 50 can also run a segment distance (i.e. guide rail
24 is hanging apart from B, C), accordingly, the present invention is when nut sections 50 are run to stage casing, there is provided identical supporting condition, makes spiral shell
Cap unit 50 stably reduces vibration when nut sections 50 are walked, and improves the service life of ball screw.
What deserves to be explained is, refering to shown in Fig. 6,12, the present invention in design, still with following features, the support base 40
The first translot section 431 have one connect the first outer translot wall 4311 and of first trough wall surface 4321 parallel to this
One outer translot wall 4311 and connect the first draw-in groove wall 4322 first in translot wall 4312, the link slot section 433 has
There is the first connection trough wall surface 4331 and of a connection first and second trough wall surface 4321,4341 parallel to the first outer translot wall
Face 4311 and connect the second connection trough wall surface 4332 of the first and second draw-in groove wall 4322,4342, the second translot section 435 has
Have one in same plane and to connect second groove parallel to the second connection trough wall surface 4332 and the first outer translot wall 4311
Second outer translot wall 4351 and of wall 4341 is parallel to the second outer translot wall 4351 and connects the second draw-in groove wall
Translot wall 4352 in the second of face 4342, the first outer translot wall 4311 and this in first between translot wall 4312 most
Beeline L2, the first connection cell wall between short distance L1, first trough wall surface 4321 and the first draw-in groove wall 4322
Beeline L3, second trough wall surface 4341 and the second draw-in groove wall between face 4331 and the second connection trough wall surface 4332
Beeline L4 and the second outer translot wall 4351 between 4342 and the most short distance in second between translot wall 4352
From L5 all more than the diameter 711 in the guide posts portion 71 of slide unit 70.
In addition, first guiding block 31 with more one connect the one end of the first guide ramp 311 first side 312,
And one connect the other end of the first guide ramp 311 second side 313, second guiding block 32 with more one connection this second
3rd side 322 of the one end of guide ramp 321 and the 4th side 323 for connecting the other end of the second guide ramp 321, order
Vertical dimension H1 between first and second side 312,313 is equal to the vertical dimension between third and fourth side 322,323
H2, equal to or less than vertical dimension h1 in first between translot wall 4312 and the second connection trough wall surface 4332 and wait
In or less than vertical dimension h2 in second between translot wall 4322 and the second connection trough wall surface 4332.
Again the angle R1 between first guide ramp 311 and second side 313 of first guiding block 31 be equal to this
Angle R2 between second guide ramp 321 of two guiding blocks 32 and the 4th side 323, equal to or less than first trough wall surface
4321 and this second connection trough wall surface 4352 between angle R3 and equal to or less than second trough wall surface 4341 and this second connect
Between angle R4 between access slot wall 4352, and first guide ramp 311 and second side 313 of first guiding block 31
Angle R3 between angle R1 and first trough wall surface 4321 and the second connection trough wall surface 4322 between 1 degree to 89 degree,
Preferably between 20 degree to 70 degree, lifted as a example by 70 degree in the present embodiment.
In sum, the various embodiments described above and diagram be only presently preferred embodiments of the present invention, when can not with restriction
The scope of enforcement of the invention, i.e., the impartial change made according to scope of the present invention patent generally and modification, should all belong to the present invention
In the range of patent covers.
Claims (10)
1. a kind of ball screw support meanss, it is characterised in that：Comprising：
One platform；
Two trunnion mounts, are installed in a distance the platform；
One screw rod, is arranged between two trunnion mounts；
At least one guide rail, is installed in the platform, and positioned at the side of the screw rod；
One the first guiding block, is installed in the platform and between two trunnion mounts, and with first guide ramp；
One the second guiding block, is installed in the platform and between two trunnion mounts, and with one towards first guiding
Second guide ramp on inclined-plane；
One support base, can with displacement be located at the guide rail and positioned at screw rod lower section, and is located at this with one and first and second leads
Draw the portions above block, at least one located at the portions and support the screw rod supports fork and one be located at the portions rail
Groove, the track slot have first translot section, one connect the first translot section and to should the first guide ramp the first card
Groove section, one connect the first draw-in groove section and to should first and second guide ramp link slot section, one connect the link slot section
And to should the second guide ramp the second draw-in groove section and a second translot section for connecting the second draw-in groove section；
One nut sections, is placed on the screw rod and can with displacement be located at the guide rail, and the nut sections are located at the support base seat
Portion top simultaneously has a bottom surface in the face of the track slot；
One drive group, is installed in the bottom surface of the nut sections, and slidably inserts along the vertical screw rod setting direction with one
Be placed in the guide posts portion of the support base track slot, the guide posts portion can the first translot section, the first draw-in groove section, link slot section,
Two draw-in groove section and the second translot section sliding, and the guide posts portion can against or depart from the first and second draw-in groove section and by this
First, two guide ramps guiding departs from the first and second draw-in groove section.
2. ball screw support meanss as claimed in claim 1, it is characterised in that：The guide rail quantity is two, and mutually
The platform is abreast installed in, and respectively positioned at the both sides of the screw rod；The bottom surface both sides of the support base are slidably installed in more two
The support slipper of two guide rails.
3. ball screw support meanss as claimed in claim 1, it is characterised in that：First draw-in groove section of the support base has
One the first trough wall surface and one in the face of first trough wall surface and towards the first recessed draw-in groove wall of the first translot section direction,
The first draw-in groove wall is the institute of guide posts portion for supplying the drive group against the second draw-in groove section of the support base has second groove
Wall and one are in the face of second trough wall surface and towards the second recessed draw-in groove wall of the second translot section direction, second draw-in groove
Wall be for the drive group guide posts portion institute against.
4. ball screw support meanss as claimed in claim 3, it is characterised in that：First translot section of the support base has
One the first outer translot wall for connecting first trough wall surface and one parallel to the first outer translot wall and connect this first
Translot wall in the first of draw-in groove wall, the link slot section has a first connection cell wall for connecting first and second trough wall surface
Face and one are parallel to the first outer translot wall and connect the second connection trough wall surface of the first and second draw-in groove wall, and this second
Translot section have one parallel to this second connection trough wall surface and the first outer translot wall in same plane and connect this second
Second outer translot wall of trough wall surface and one are parallel to the second outer translot wall and connect the second of the second draw-in groove wall
Interior translot wall, the first outer translot wall and translot wall, first trough wall surface and the first draw-in groove wall in first, this
First connection trough wall surface second is connected trough wall surface, second trough wall surface and the second draw-in groove wall and the second outer translot with this
The diameter of wall and the beeline in second between translot wall more than the drive group guide posts portion.
5. ball screw support meanss as claimed in claim 4, it is characterised in that：First guiding block has more a company
The first side for connecing the first guide ramp one end and a second side for connecting the first guide ramp other end, this
It is another that two guiding blocks connect second guide ramp with more the 3rd side for connecting the second guide ramp one end and one
4th side of one end, make the vertical dimension between first and second side be equal between third and fourth side it is vertical away from
From, equal to or less than the vertical dimension in first between translot wall and the second connection trough wall surface and equal to or less than this
Vertical dimension in second between translot wall and the second connection trough wall surface.
6. ball screw support meanss as claimed in claim 5, it is characterised in that：First guiding of first guiding block is oblique
Angle between face and second side be equal to the angle between the second guide ramp of second guiding block and the 4th side, etc.
In or less than first trough wall surface and this second connection trough wall surface between angle and equal to or less than second trough wall surface with should
Angle between second connection trough wall surface.
7. ball screw support meanss as claimed in claim 6, it is characterised in that：First guiding of first guiding block is oblique
The angle between angle and first trough wall surface and the second connection trough wall surface between face and second side is between 1 degree to 89
Between degree.
8. ball screw support meanss as claimed in claim 7, it is characterised in that：First guiding of first guiding block is oblique
The angle between angle and first trough wall surface and the second connection trough wall surface between face and second side is between 20 degree to 70
Between degree.
9. ball screw support meanss as claimed in claim 2, it is characterised in that：The bottom surface both sides of the nut sections have more
There are the two nut slide blocks for being slidably installed in two guide rails.
10. ball screw support meanss as claimed in claim 1, it is characterised in that：The drive group comprising a slide rail and
One slide unit, the slide rail is installed in the bottom surface of the nut sections along the vertical screw rod setting direction；The slide unit,
The slide rail is slidably installed in, and with the guide posts portion for being inserted in the support base track slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728982.1A CN104728379B (en) | 2013-12-18 | 2013-12-18 | Ball screw support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728982.1A CN104728379B (en) | 2013-12-18 | 2013-12-18 | Ball screw support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728379A CN104728379A (en) | 2015-06-24 |
| CN104728379B true CN104728379B (en) | 2017-05-10 |
Family
ID=53452592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728982.1A Active CN104728379B (en) | 2013-12-18 | 2013-12-18 | Ball screw support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728379B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058074A (en) * | 2015-07-23 | 2015-11-18 | 洪子涵 | Screw driving supporting device |
| CN107588169B (en) * | 2016-07-06 | 2020-03-17 | 上银科技股份有限公司 | Ball screw with support device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2582328Y2 (en) * | 1992-11-25 | 1998-09-30 | 日本精工株式会社 | Linear motion guide unit with integrated ball screw |
| JP3221804B2 (en) * | 1994-09-28 | 2001-10-22 | 先生精機株式会社 | Actuator |
| EP1865225A1 (en) * | 2005-03-31 | 2007-12-12 | Thk Co., Ltd. | Electric actuator |
| TWI334009B (en) * | 2008-05-14 | 2010-12-01 | Hiwin Tech Corp | Screw supporting device |
| DE102009007952B4 (en) * | 2009-02-06 | 2012-04-12 | Sew-Eurodrive Gmbh & Co. Kg | spindle motor |
| JP2013143824A (en) * | 2012-01-11 | 2013-07-22 | Smc Corp | Electric actuator |
-
2013
- 2013-12-18 CN CN201310728982.1A patent/CN104728379B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728379A (en) | 2015-06-24 |
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