CN107398725A - Assembly machine for ball screw assembly, - Google Patents
Assembly machine for ball screw assembly, Download PDFInfo
- Publication number
- CN107398725A CN107398725A CN201710630352.9A CN201710630352A CN107398725A CN 107398725 A CN107398725 A CN 107398725A CN 201710630352 A CN201710630352 A CN 201710630352A CN 107398725 A CN107398725 A CN 107398725A
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- China
- Prior art keywords
- assembly
- hole
- screw
- ball screw
- shaped arc
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides the assembly machine for ball screw assembly, and it can conveniently and efficiently assemble ball screw assembly, and can avoid that the problem of steel ball drops in assembling process occurs, and labor intensity is low, and operating efficiency is high；It includes base, the base is provided with slide rail, the base between the slide rail is provided with introducing mechanism, the slide rail positioned at the introducing mechanism both ends is provided with top-pressure mechanism and places the placement mechanism of screw mandrel and screw, and driven by drive mechanism, the delivery pipe communicated therewith is provided with above the introducing mechanism.
Description
Technical field
The present invention relates to ball screw assembly, technical field, particularly for the assembly machine of ball screw assembly,.
Background technology
Ball screw assembly, is actuated element most-often used on machine tool and precision optical machinery, and its major function is to rotate
Motion conversion linear movement, or moment of torsion is converted into axial repeated action power, while have high accuracy, invertibity and high efficiency concurrently
The characteristics of, due to the frictional resistance with very little, ball screw assembly, is widely used in various industrial equipments and precision instrument, right
In high-accuracy lathe, ball screw assembly, is very crucial part, can effectively improve the positioning precision of lathe.
And for the assembling in ball screw assembly, it is existing compared with frequently be first to smear to lubricate in screw internal helicoid groove
Fat, then steel ball is bonded in groove until circulating and filled, will finally install screw one end of steel ball along screw rod spiral groove side
To screwing, until screw screws with screw mandrel completely, in this assembling process, not only installation time is longer, and is likely to steel ball meeting
The problem of dropping, labor intensity is big, and operating efficiency is low.
The content of the invention
In view of the above-mentioned problems, the invention provides the assembly machine for ball screw assembly, it can conveniently and efficiently assemble rolling
Ballscrew pair, and can avoid that the problem of steel ball drops in assembling process occurs, labor intensity is low, and operating efficiency is high.
Its technical scheme is such, it is characterised in that it includes base, and the base is provided with slide rail, the slide rail
Between the base be provided with introducing mechanism, positioned at the introducing mechanism both ends the slide rail be provided with top-pressure mechanism, with
And the placement mechanism of screw mandrel and screw is placed, and driven by drive mechanism, it is provided with and communicates therewith above the introducing mechanism
Delivery pipe.
It is further characterized by：
The top-pressure mechanism includes the first bearing being connected on the slide rail, and first bearing is provided with guide holder, described
Guide holder top is equipped with rotary shaft, and is driven by screwing in motor, and the rotary shaft is hollow structure；
The placement mechanism includes the second bearing being connected on the slide rail, and second bearing is provided with deck, away from institute
The deck side upper end for stating introducing mechanism is fixed with mounting table, and the mounting table, the top ends of deck are provided with and are connected
U-shaped arc groove, be connected with leading screw pressurized cylinder in the outer end of the mounting table, the piston rod connection of the screw mandrel pressurized cylinder
Have it is top, it is described top to be arranged in the U-shaped arc groove of the mounting table；
The groove width of U-shaped arc groove is less than the groove width of U-shaped arc groove on the deck on the mounting table, described at the U-shaped arc groove
Mounting table, deck both side ends are tooth-shape structure；
Screw is installed with the U-shaped arc groove of the deck, screw mandrel is positioned in the U-shaped arc groove of the mounting table, and its end leads to
Cross described top hold out against；
The drive mechanism includes being respectively arranged at guide cylinder along the base both ends of traffic direction, side it is described
The piston rod of guide cylinder is connected to the guide holder, and the piston rod of the guide cylinder of opposite side is connected to described second
Seat；
The introducing mechanism includes the support being fixed on the base, and the support upper end is fixed with location-plate, positioned at described
The location-plate end of screw side is fixed with transfer block, and the location-plate, transfer block are provided with same with the rotary shaft
The through hole of center line, and the through hole is located at same level highly with U-shaped arc groove, it is vertically downward from top in the transfer block
Sprocket hole is provided with, is provided with that the stepped ramp type of ring-type is raised positioned at the transfer block end of the through hole, it is described raised cylindrical
End face is provided with projection, and circular hole is provided with the projection, and the duct of the sprocket hole extends to be connected with the circular hole, described defeated
Pipe is sent to be connected with the sprocket hole；
The overall diameter of the rotary shaft be less than the through hole diameter, and no more than the leading screw diameter, the through hole it is straight
Footpath is less than the overall diameter of the screw；
There are steel ball, spring, the diameter phase of the steel ball and spring to the feed-hole spacing conveying that interlocks by the delivery pipe
Together, the sprocket hole, the aperture of circular hole are more than the steel ball, the diameter of spring.
The invention has the advantages that introducing mechanism, top-pressure mechanism and placing the placement mechanism of screw mandrel and screw and setting
Put, and driven by drive mechanism, the delivery pipe communicated therewith is provided with above introducing mechanism, delivery pipe is carried out to introducing mechanism
Lose, top-pressure mechanism and introducing mechanism interoperation realize the assembling of ball screw assembly, so as to avoid existing assembling process
The problem of middle steel ball drops, convenient and swift, labor intensity is low, and operating efficiency is high.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the stereogram of the present invention；
Fig. 3 is the front view of transfer block；
Fig. 4 is Fig. 3 sectional view；
Fig. 5 is Fig. 3 top view.
Embodiment
As shown in Fig. 1 ~ Fig. 5, the present invention includes base 1, and base 1 is provided with slide rail 2, and the base 1 between slide rail 2 is provided with
Introducing mechanism, the slide rail 2 positioned at introducing mechanism both ends are provided with top-pressure mechanism and place the placement machine of screw mandrel 3 and screw 4
Structure, and driven by drive mechanism, the delivery pipe 5 communicated therewith is provided with above introducing mechanism.
Top-pressure mechanism includes being connected to the first bearing 6 on slide rail 2, and the first bearing 6 is provided with guide holder 7, on guide holder 7
Portion is equipped with rotary shaft 8, and is driven by screwing in motor 9, and rotary shaft 8 is hollow structure；Placement mechanism includes being connected to slide rail 2
On the second bearing 10, the second bearing 10 is provided with deck 11, and the side upper end of deck 11 away from introducing mechanism, which is fixed with, puts
Platform 12 is put, mounting table 12, the top ends of deck 11 are provided with the U-shaped arc groove 13 being connected, are connected with the outer end of mounting table 12
Leading screw pressurized cylinder 14, the piston rod of screw mandrel pressurized cylinder 14 are connected with top 15, the top 15 U-shaped arcs for being arranged at mounting table 12
In groove 13；The groove width of U-shaped arc groove 13 is less than the groove width of U-shaped arc groove 13 on deck 11 on mounting table 12, the placement at U-shaped arc groove 13
Platform 12, the both side ends of deck 11 are tooth-shape structure；Screw 4 is installed with the U-shaped arc groove 13 of deck 11, screw mandrel 3 is positioned over placement
In the U-shaped arc groove 13 of platform 12, and its end is held out against by top 15, can prevent screw mandrel 3 from being swung in motion process, is played effectively
Positioning action, drive mechanism include being respectively arranged at the guide cylinder 16,17 along the both ends of base 1 of traffic direction, side
The piston rod for being oriented to gas 16 is connected to guide holder 7, and the piston rod of the guide cylinder 17 of opposite side is connected to the second bearing 10；Import
Mechanism includes the support 18 being fixed on base 1, and the upper end of support 18 is fixed with location-plate 19, the location-plate positioned at the side of screw 4
19 ends are fixed with transfer block 20, and location-plate 19, transfer block 20 are provided with the through hole 21 with 8 same center line of rotary shaft, and logical
Hole 21 is located at same level highly with U-shaped arc groove 13, and sprocket hole 22 is vertically provided with downwards from top in transfer block 20, positioned at logical
The end of transfer block 20 at hole 21 is provided with the stepped ramp type projection 23 of ring-type, and the circle end face of projection 23 is provided with projection 24, projection
Circular hole 25 is provided with 24, the duct of sprocket hole 22 extends to be connected with circular hole 25, and delivery pipe 5 is connected with sprocket hole 22；Rotation
The overall diameter of axle 8 is less than the diameter of through hole 21, and is less than the outer straight of screw 4 no more than the diameter of leading screw 3, the diameter of through hole 21
Footpath；There are steel ball, spring to the conveying of the interleaved of sprocket hole 22 by delivery pipe 5, pushed up in the thread groove of screw 4 by rotary shaft 8
Enter steel ball, the spring of interleaved, tensile force can be effectively improved, prevent steel ball from dropping, steel ball is identical with the diameter of spring, conveying
Hole 22, the aperture of circular hole 25 are more than steel ball, the diameter of spring.
The course of work of the present invention is that screw 4 is clamped in the U-shaped arc groove 13 of deck 11, and screw mandrel 3 is positioned over mounting table 12
In U-shaped arc groove 13, placement mechanism and top-pressure mechanism are advanced by drive mechanism along slide rail 2 to introducing mechanism, and screw 4 is set with simultaneously
Hold out against on the circle end face of projection 23, rotary shaft 8 is pushed up through location-plate 19, through hole 21 and screw 4 in transfer block 20
Tightly in one end of screw mandrel 3, by delivery pipe 5 to the interleaved transporting steel balls of sprocket hole 22, spring, rotary shaft 8 is by screwing in electricity
Machine 9 is driven, and duct of the steel ball and spring along sprocket hole 22 is delivered between the outer wall of rotary shaft 8 and the inwall of screw 4, then passes through rotation
The top pressure of rotating shaft 8 is entered in the thread groove of screw 4, and after all thread groove is headed into, the other end of leading screw 3 is held out against and passed through by top 15
The piston rod of screw mandrel pressurized cylinder 14 promotes, while rotary shaft 8 retracts and drives the rotation of the opposite direction of leading screw 3 and screw in screw 4, from
And the assembling of ball screw assembly, is completed, and the problem of steel ball drops in existing assembling process is avoided, convenient and swift, work is strong
Spend low, operating efficiency height.
Claims (9)
1. the assembly machine for ball screw assembly, it is characterised in that it includes base, and the base is provided with slide rail, the cunning
The base between rail is provided with introducing mechanism, positioned at the introducing mechanism both ends the slide rail be provided with top-pressure mechanism,
And the placement mechanism of screw mandrel and screw is placed, and driven by drive mechanism, it is provided with above the introducing mechanism and connects with it
Logical delivery pipe.
2. the assembly machine according to claim 1 for ball screw assembly, it is characterised in that the top-pressure mechanism includes connecting
The first bearing being connected on the slide rail, first bearing are provided with guide holder, and the guide holder top is equipped with rotary shaft,
And driven by screwing in motor, the rotary shaft is hollow structure.
3. the assembly machine according to claim 1 for ball screw assembly, it is characterised in that the placement mechanism includes connecting
The second bearing being connected on the slide rail, second bearing are provided with deck, the deck one away from the introducing mechanism
Side upper end is fixed with mounting table, and the mounting table, the top ends of deck are provided with the U-shaped arc groove being connected, in the mounting table
Outer end be connected with leading screw pressurized cylinder, the piston rod of the screw mandrel pressurized cylinder be connected with it is top, it is described top to be arranged at
In the U-shaped arc groove of the mounting table.
4. the assembly machine according to claim 3 for ball screw assembly, it is characterised in that U-shaped arc on the mounting table
The groove width of groove is less than the groove width of U-shaped arc groove on the deck, and the mounting table, deck both side ends at the U-shaped arc groove are
Tooth-shape structure.
5. the assembly machine according to claim 3 for ball screw assembly, it is characterised in that the U-shaped arc groove of the deck
Screw is inside installed with, screw mandrel is positioned in the U-shaped arc groove of the mounting table, and its end top is held out against by described.
6. according to the assembly machine for ball screw assembly, described in claim 1 or 2 or 3, it is characterised in that the drive mechanism
Including being respectively arranged at the guide cylinder along the base both ends of traffic direction, the piston rod of the guide cylinder of side
The guide holder is connected to, the piston rod of the guide cylinder of opposite side is connected to second bearing.
7. according to the assembly machine for ball screw assembly, described in claim 1 or 2 or 3, it is characterised in that the introducing mechanism
Including the support being fixed on the base, the support upper end is fixed with location-plate, positioned at the described fixed of the screw side
Position plate end is fixed with transfer block, and the location-plate, transfer block are provided with the through hole with the same center line of the rotary shaft, and institute
State through hole and be located at same level highly with U-shaped arc groove, sprocket hole is vertically provided with downwards from top in the transfer block, positioned at institute
The transfer block end for stating through hole is provided with the stepped ramp type projection of ring-type, and the raised circle end face is provided with projection, institute
State and circular hole is provided with projection, the duct of the sprocket hole extends to be connected with the circular hole, the delivery pipe and the sprocket hole
It is connected.
8. the assembly machine according to claim 7 for ball screw assembly, it is characterised in that the overall diameter of the rotary shaft
Less than the diameter of the through hole, and no more than the diameter of leading screw, the diameter of the through hole is less than the overall diameter of the screw.
9. the assembly machine according to claim 7 for ball screw assembly, it is characterised in that by delivery pipe to described defeated
Hole interleaved conveying is sent to have steel ball, spring, the steel ball is identical with the diameter of spring, and the sprocket hole, the aperture of circular hole are big
In the steel ball, the diameter of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630352.9A CN107398725B (en) | 2017-07-28 | 2017-07-28 | Assembly machine for ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710630352.9A CN107398725B (en) | 2017-07-28 | 2017-07-28 | Assembly machine for ball screw pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107398725A true CN107398725A (en) | 2017-11-28 |
| CN107398725B CN107398725B (en) | 2024-03-15 |
Family
ID=60401104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710630352.9A Active CN107398725B (en) | 2017-07-28 | 2017-07-28 | Assembly machine for ball screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107398725B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607414A (en) * | 2019-01-25 | 2019-04-12 | 南京工艺装备制造有限公司 | It is a kind of large size ball screw assembly, assembly use device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05138461A (en) * | 1991-11-20 | 1993-06-01 | Honda Motor Co Ltd | Method for supplying ball to nut screw |
| GB9625343D0 (en) * | 1995-12-05 | 1997-01-22 | Honda Motor Co Ltd | Ball quantitative supply system |
| JPH11270649A (en) * | 1998-03-25 | 1999-10-05 | Nippon Seiko Kk | Ball screw device |
| JP2004114224A (en) * | 2002-09-26 | 2004-04-15 | Nsk Ltd | Method for assembling ball screw device and device for assembling the same |
| CN102990279A (en) * | 2011-09-13 | 2013-03-27 | 浙江瑞远机床有限公司 | X-axis ball screw assembly fixture of numerically controlled lathe and method for using X-axis ball screw assembly fixture of numerically controlled lathe |
| CN103732950A (en) * | 2011-08-17 | 2014-04-16 | 日本精工株式会社 | Ball screw and assembly method therefor |
| CN204642486U (en) * | 2015-04-14 | 2015-09-16 | 浙江商业职业技术学院 | Ball-screw screw thread pair assembly support |
| US20170008555A1 (en) * | 2014-02-27 | 2017-01-12 | Hitachi Automotive Systems, Ltd. | Power steering device and method for manufacturing ball screw for power steering device |
| CN207358539U (en) * | 2017-07-28 | 2018-05-15 | 无锡双益精密机械有限公司 | A kind of assembly machine for ball screw assembly, |
-
2017
- 2017-07-28 CN CN201710630352.9A patent/CN107398725B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05138461A (en) * | 1991-11-20 | 1993-06-01 | Honda Motor Co Ltd | Method for supplying ball to nut screw |
| GB9625343D0 (en) * | 1995-12-05 | 1997-01-22 | Honda Motor Co Ltd | Ball quantitative supply system |
| JPH11270649A (en) * | 1998-03-25 | 1999-10-05 | Nippon Seiko Kk | Ball screw device |
| JP2004114224A (en) * | 2002-09-26 | 2004-04-15 | Nsk Ltd | Method for assembling ball screw device and device for assembling the same |
| CN103732950A (en) * | 2011-08-17 | 2014-04-16 | 日本精工株式会社 | Ball screw and assembly method therefor |
| CN102990279A (en) * | 2011-09-13 | 2013-03-27 | 浙江瑞远机床有限公司 | X-axis ball screw assembly fixture of numerically controlled lathe and method for using X-axis ball screw assembly fixture of numerically controlled lathe |
| US20170008555A1 (en) * | 2014-02-27 | 2017-01-12 | Hitachi Automotive Systems, Ltd. | Power steering device and method for manufacturing ball screw for power steering device |
| CN204642486U (en) * | 2015-04-14 | 2015-09-16 | 浙江商业职业技术学院 | Ball-screw screw thread pair assembly support |
| CN207358539U (en) * | 2017-07-28 | 2018-05-15 | 无锡双益精密机械有限公司 | A kind of assembly machine for ball screw assembly, |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607414A (en) * | 2019-01-25 | 2019-04-12 | 南京工艺装备制造有限公司 | It is a kind of large size ball screw assembly, assembly use device |
| CN109607414B (en) * | 2019-01-25 | 2023-11-10 | 南京工艺装备制造有限公司 | Device for assembling large ball screw pair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107398725B (en) | 2024-03-15 |
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