CN205118166U - Vice plastics grafting type end plug of ball - Google Patents
Vice plastics grafting type end plug of ball Download PDFInfo
- Publication number
- CN205118166U CN205118166U CN201520844773.8U CN201520844773U CN205118166U CN 205118166 U CN205118166 U CN 205118166U CN 201520844773 U CN201520844773 U CN 201520844773U CN 205118166 U CN205118166 U CN 205118166U
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- end plug
- plug
- trapezoidal
- ball
- left lower
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Abstract
The utility model discloses a vice plastics grafting type end plug of ball, it is including first end plug (1) and second end plug (5), peg graft each other and constitute grafting type end plug in this first end plug (1) and second end plug (5), be equipped with semicircular groove (2) on first end plug (1), be equipped with semicircular groove (6) down on second end plug (5), it returns pearl passageway (M) to form circular reversion after pegging graft each other in this first end plug (1) and second end plug (5), make the reverse entry that returns the pearl passageway form round inlet, be equipped with the grafting device on first end plug and second end plug, the device of should pegging graft makes first end plug and second end plug peg graft zonulae occludens each other to be in the same place, first end plug and second end plug adopt the glass of du pont reinforcing nylon materials to make. The beneficial effects of the utility model are that: in that the lead screw is vice high -speed when operateing, roller ball movement is smooth, do not heat up, small in noise.
Description
Technical field
The utility model relates to ball screw pair technical field, is the reversing device of ball screw pair, is applicable to end plug type ball screw pair.This model utility is a kind of plastics splicing type end plug, is applicable to CNC machinery, precision machine tool, electric mechanical, is particularly useful for the machinery needing high speed, heavy duty, mute.
Background technique
End plug type ball screw pair is with the another kind of difference being applicable to high-speed overload intubatton type ball screw pair, moving direction sudden change when intubatton type ball screw pair ball is reverse, reverse impact is large, at high speeds easy generation part broken invalid, and the temperature rise that frictional impact causes, noise are larger.And end plug type ball screw pair ball is tangentially reverse from screw thread, moving line is smooth greatly reduces frictional impact without kick, can realize the features such as high DN value, low-temperature-rise, noise are little.One row ball chain can only be set in a nut, and without idle raceway, so same specification is compared, nut installation dimension can be reduced.Originally design uncovered end plug due on end plug oppositely to return pearl passage different with backward channel sectional shape from the screw thread groove-section of nut body, cause ball irrgular movement can occur when reverse, and collide with nut body.In addition when assembling, if leading screw two ends are not all logical screw threads, tongue and the leading screw body of end plug interfere, and cause situation about cannot assemble.
What current use was more is that open type end plug is (as Fig. 1-1, Fig. 1-2, shown in Fig. 1-3), the shortcoming of uncovered end plug has two, first screw thread groove-section is bicircular arcs, but ball is after entering open type end plug, under the influence of centrifugal force, first ball can contact with nut body, directly enter in passage that a plane of the end plug groove nut body and the reverse bead returning groove of end plug form (as Fig. 2-1 from original duplex circular ares profile race, shown in Fig. 2-2), due to the change of sectional shape and channel size, cause the irrgular movement (as Suo Shi I in Fig. 4-4) of ball.Second shortcoming is that ball is when the reverse bead returning groove leaving end plug enters reverse time pearl passage of nut body, due to the reverse bead returning groove shape face of end plug and the oppositely time pearl channel cross-section of nut body inconsistent (as shown in Fig. 4-1, Fig. 4-2, Fig. 4-5, Fig. 4-6), can nut body be clashed into when causing ball to enter, cause noise and temperature rise.
The end plug cell wall that C in Fig. 2-1, Fig. 2-2 is ball nut body and the H shown in Fig. 3-1, Fig. 3-2, ball is entering open type end plug, and due to the effect of centrifugal force, first ball contacts with C after departing from ball nut duplex circular ares profile race.In figure, D is the reverse bead returning groove wall of open type end plug, and C and D constitutes the reverse bead returning groove of open type end plug jointly, and as can be seen from Fig. 2-1, Fig. 2-2, the shape face difference that ball runs is very large, certainly will cause the irrgular movement of ball.
As shown in Fig. 4-1, Fig. 4-2, Fig. 4-5, Fig. 4-6, when the reverse bead returning groove that ball leaves open type end plug enters oppositely time pearl passage (cross section oppositely returning pearl passage is full circle shape) on ball nut body, to cut shape inconsistent for the pearl passage that oppositely returns cut on shape and nut body due to bead returning groove on open type end plug, cause G shown in Fig. 4-5, Fig. 4-6 " II " to occur, diameter due to ball is less than the width of reverse bead returning groove, when lead screw pair runs up, ball easily and G collide, thus cause temperature rise and noise.
Model utility content
The purpose of this utility model is to provide a kind of ball screw pair plastics splicing type end plug, its change of oppositely returning pearl channel cross-section, and the oppositely time pearl passage that ball can enter end plug from screw thread raceway smoothly enters the backward channel nut body again.In addition, end plug is processed into two halves structure, when assembling, first loads the second end plug B, by it after end plug groove internal fixtion is good, then inserting the first end plug A, the trapezoidal buckle on the first end plug and the second end plug, can make junction plane be adjacent to, guarantee positioning precision.When lead screw pair runs up, ball moving is smooth, temperature rise is little, noise is low.
For achieving the above object, the utility model takes following technological scheme:
A kind of ball screw pair plastics splicing type end plug, it is characterized in that: it includes the first end plug (1) and the second end plug (5), this first end plug (1) and the second end plug (5) mutually grafting form splicing type end plug, first end plug (1) is provided with upper semi-circle connected in star (2), second end plug (5) is provided with lower semi-circular groove (6), this first end plug (1) and the second end plug (5) are mutually formed after grafting and circularly oppositely return pearl passage (M), and what make oppositely to return pearl passage enters interruption-forming round entrance; First end plug and the second end plug are provided with plug assembly, and this plug assembly makes the first end plug together with the mutual grafting compact siro spinning technology of the second end plug; The first described end plug and the second end plug adopt Du Pont's glass-reinforced nylon material to make.
As preferably, described plug assembly is provided with vertical trapezoidal socket (3) in the right upper portion of the first end plug (1), horizontal trapezoidal socket (4) is provided with at the left lower of the first end plug (1), vertical trapezoidal plug (8) is provided with at the second end plug (5) right hand top, horizontal trapezoidal plug (7) is provided with at the second end plug (5) left lower, the vertical trapezoidal plug (8) of this second end plug right hand top and the trapezoidal plug of horizontal stroke (7) of left lower, the vertical trapezoidal socket (3) that level inserts the right upper portion of the first end plug (1) is respectively interior with in the horizontal trapezoidal socket (4) of left lower, it is integral that mutual grafting forms grafting.
As preferably, described plug assembly is provided with vertical trapezoidal plug in the right upper portion of the first end plug, horizontal trapezoidal socket is provided with at the left lower of the first end plug, vertical trapezoidal socket is provided with at the second end plug right hand top, horizontal trapezoidal plug is provided with at the second end plug left lower, the vertical trapezoidal socket of this second end plug right hand top and the trapezoidal plug of horizontal stroke of left lower, level respectively with the vertical trapezoidal plug of the right upper portion of the first end plug and the horizontal trapezoidal socket of left lower, it is integral that mutual grafting forms grafting.
The beneficial effects of the utility model are: when lead screw pair runs up, and ball moving is smooth, temperature rise is little, noise is low.
Accompanying drawing explanation
Fig. 1-1 is prior art open type end plug structural representation.
Fig. 1-2 is the left TV structure schematic diagram of Fig. 1-1.
Fig. 1-3 is that the P of Fig. 1-1 is to structural representation.
Fig. 2-1 is that ball normal direction in feed screw nut raceway cuts shape schematic diagram.
Wherein, 1-1 is ball; 1-2 is ball nut raceway; 1-3 is ball screw raceway.
Fig. 2-2 is that the ball of open type end plug enters the reverse bead returning groove normal direction of open type end plug and cuts shape schematic diagram.
Wherein, D is the reverse bead returning groove wall of open type end plug; C is the end plug cell wall of ball nut body.
Fig. 3-1 is the open type end plug groove structural representation on ball nut.
Wherein, H is the end plug cell wall of ball nut body.
Fig. 3-2 is the left TV structure schematic diagram of Fig. 3-1.
Fig. 4-1 is that open type end plug and ball nut assemble schematic diagram.
Fig. 4-2 is that close-up schematic view is looked on Fig. 4-1 right side.
Wherein, E is ball nut raceway; F is the reverse bead returning groove of open type end plug and nut upper end plug cell wall
The oppositely time pearl passage of common composition.
Fig. 4-3 is that the Q of Fig. 4-2 is to schematic diagram.
Fig. 4-4 is that the I of Fig. 4-3 is to close-up schematic view.
Fig. 4-5 is that the II of Fig. 4-1 is to close-up schematic view.
Wherein, G is the part that ball can collide with nut body.
Fig. 4-6 is G point close-up schematic view of Fig. 4-5.
Wherein, 1-4 is end plug cell wall; 1-5 is reverse through-hole wall.
Fig. 5-1 is first end plug structure schematic diagram of the present utility model.
Fig. 5-2 is left TV structure schematic diagram of Fig. 5-1.
Fig. 5-3 is right TV structure schematic diagram of Fig. 5-1.
Fig. 5-4 is backsight structural representations of Fig. 5-1.
Fig. 6-1 is the second end plug structural representation of the present utility model.
Fig. 6-2 is left TV structure schematic diagram of Fig. 6-1.
Fig. 6-3 is right TV structure schematic diagram of Fig. 6-1.
Fig. 6-4 is backsight structural representations of Fig. 6-1.
Fig. 7-1 is the first end plug of the present utility model and the second end plug assembling schematic diagram.
Fig. 7-2 is left TV structure schematic diagram of Fig. 7-1.
Wherein, M is circular oppositely time pearl passage.
Fig. 7-3 is right TV structure schematic diagram of Fig. 7-1.
Fig. 7-4 is that the Q of Fig. 7-1 is to structural representation.
Fig. 8-1 is that ball normal direction in feed screw nut raceway cuts shape schematic diagram.
Fig. 8-2 is that the ball of this splicing type end plug enters the reverse bead returning groove normal direction of splicing type end plug and cuts shape schematic diagram.
Fig. 9 is that the first end plug of the present utility model and the second end plug and leading screw, nut assemble schematic diagram.
Wherein, 10 is nut inner holes; 11 is leading screw external diameters; 12 is nut external diameters; 13 is footpaths at the bottom of leading screw.
Figure 10 is that the first end plug of the present utility model and the second end plug are assemblied in ball screw pair structural representation.
Wherein, 14 is ball screws; 15 is ball nuts; 16 is circlips.
Embodiment
See Fig. 5-1, Fig. 5-2, Fig. 5-3, Fig. 5-4, Fig. 6-1, Fig. 6-2, Fig. 6-3, shown in Fig. 6-4: a kind of ball screw pair plastics splicing type end plug, it includes the first end plug 1 and the second end plug 5, this first end plug 1 and the second end plug 5 mutually grafting form splicing type end plug, first end plug 1 is provided with upper semi-circle connected in star 2, second end plug 5 is provided with lower semi-circular groove 6, the circular pearl passage M that oppositely returns is formed (see Fig. 7-1 after this first end plug 1 and the mutual grafting of the second end plug 5, Fig. 7-2, Fig. 7-3, shown in Fig. 7-4), make oppositely to go back to entering of pearl passage, go out interruption-forming and cut shape for circular, first end plug and the second end plug are provided with plug assembly, and this plug assembly makes the first end plug together with the mutual grafting compact siro spinning technology of the second end plug, the first described end plug and the second end plug adopt Du Pont's glass-reinforced nylon material to make.
As preferably, plug assembly embodiment 1: described plug assembly is provided with vertical trapezoidal socket 3 in the right upper portion of the first end plug 1, horizontal trapezoidal socket 4 is provided with at the left lower of the first end plug 1, vertical trapezoidal plug 8 is provided with at the second end plug 5 right hand top, horizontal trapezoidal plug 7 is provided with at the second end plug 5 left lower, the vertical trapezoidal plug 8 of this second end plug right hand top and the trapezoidal plug 7 of horizontal stroke of left lower, the vertical trapezoidal socket 3 that level inserts the right upper portion of the first end plug 1 is respectively interior with in the horizontal trapezoidal socket 4 of left lower, and it is integral that mutual grafting forms grafting.
As preferably, plug assembly embodiment 2: described plug assembly is provided with vertical trapezoidal plug in the right upper portion of the first end plug, horizontal trapezoidal socket is provided with at the left lower of the first end plug, vertical trapezoidal socket is provided with at the second end plug right hand top, horizontal trapezoidal plug is provided with at the second end plug left lower, the vertical trapezoidal socket of this second end plug right hand top and the trapezoidal plug of horizontal stroke of left lower, level respectively with the vertical trapezoidal plug of the right upper portion of the first end plug and the horizontal trapezoidal socket of left lower, it is integral that mutual grafting forms grafting.
The utility model is plastics splicing type end plug structure reversing device, this reversing device is divided into two-part, the oppositely time pearl passage of end plug cuts shape and cuts shape consistent (as shown in Fig. 8-1, Fig. 8-2) with the reverse through hole in nut body, although with the raceway of nut body, to cut shape different, but difference is little, the irrgular movement produced when minimizing ball is reverse.Oppositely time pearl passage and the nut body of end plug are oppositely returned the full circle that pearl channels designs becomes diameter identical by the utility model, leave when end plug enters nut body and can not collide with nut body, reduce noise, improve fluency at ball.Design of material is plastic material, and Absorbable rod ball impacts the noise produced, because of and significantly can reduce level of noise.Reversing device is divided into two-part, first end plug 1 (see Fig. 5-1, Fig. 5-2, Fig. 5-3, Fig. 5-4) and the second end plug 5 (see Fig. 6-1, Fig. 6-2, Fig. 6-3, Fig. 6-4) arrange plug assembly respectively, can solve when ball screw two ends are not logical screw threads, the phenomenon that cannot assemble is not (if two ends are logical screw threads, during assembling, the tongue of reversing device can interfere with leading screw, causes and cannot assemble) as shown in Figure 9.
In Fig. 5-1, Fig. 5-2, Fig. 5-3, Fig. 5-4 3 with see 8 grafting in Fig. 6-1, Fig. 6-2, Fig. 6-3, Fig. 6-4,4 and 7 grafting, plugging position is trapezoidal design, trapezoidal inserting mode can ensure that lead screw pair can not be thrown off when high speed operation, and the moment keeps the first end plug 1 and the second end plug 5 to fit tightly.
See that the R direction view in Fig. 7-1, Fig. 7-2, Fig. 7-3, Fig. 7-4 can be found out, the shape face connected with ball nut screw thread raceway is full circle shape, compare bicircular arcs flute profile difference little, avoid the irrgular movement of ball, M is that the circle after the first end plug 1 and the second end plug 5 assemble oppositely returns pearl passage, consistent with the reverse through hole sectional shape on nut, when ball carries out reverse, avoid the situation that the inconsistent ball that causes of uncovered end plug sectional shape and nut body collide, to reduce noise and temperature rise.
See Fig. 8-1, Fig. 8-2, wherein 9 is that splicing type end plug oppositely returns pearl passage, is circular.
" tongue " part of second end plug 5 crouches in ball screw raceway 1-2, the backward channel of end plug is entered from leading screw raceway for guiding ball, use the ball screw pair of open type end plug, when assembling due to tongue, it is logical screw thread that ball screw must ensure one end, also needs to use special tooling during assembling, nut, end plug, ball have been assembled, screw in ball screw again, if two ends are not logical screw threads, just cannot assemble.Application splicing type end plug, solves assembly problem when leading screw two ends are not logical screw threads.First ball nut is inserted on ball screw during assembling, second end plug 5 is encased in end plug groove, insert the first end plug 1 again, the trapezoidal connection part that splicing type end is arranged, 3 are combined with 8, and 4 are combined with 7, and both direction is located, ball screw pair can be made not throw off running up lower, and the moment keep fitting tightly of the first end plug 1 and the second end plug 5 junction plane.Finally be fixed on ball nut 14 by the end plug that grafting is good with circlip 16, assembling completes.
Material has selected Dupont glass-reinforced nylon when selecting.The mechanical property of the intermingling material such as glass fibre, plasticizer is added in nylon, result shows the increase with glass fiber content, and tensile strength, the flexural strength of material are greatly improved, and impact strength is then comparatively complicated, plasticizer adds, and the toughness of material significantly improves.Add the glass of 30% ~ 35%, the plasticizer of 8% ~ 12%, the comprehensive mechanical property of material is best.Properties of nylons is improved with reinforcing material, reinforcing material has glass fibre, asbestos fiber, carbon fiber, Ti metal etc., wherein based on glass fibre, improve the heat resistance of nylon, dimensional stability, rigidity, mechanical property (tensile strength and flexural strength), particularly mechanical property improve obviously, become the engineering plastics of function admirable.There is good wear resistance, heat resistance, oil resistance and chemical proofing, also greatly reduce raw-material water absorption rate and shrinkage, there is excellent dimensional stability and the mechanical strength of excellence.
The above know-why being preferred embodiment of the present utility model and using; for a person skilled in the art; when not deviating from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (3)
1. a ball screw pair plastics splicing type end plug, it is characterized in that: it includes the first end plug (1) and the second end plug (5), this first end plug (1) and the second end plug (5) mutually grafting form splicing type end plug, first end plug (1) is provided with upper semi-circle connected in star (2), second end plug (5) is provided with lower semi-circular groove (6), this first end plug (1) and the second end plug (5) are mutually formed after grafting and circularly oppositely return pearl passage (M), and what make oppositely to return pearl passage enters interruption-forming round entrance; First end plug and the second end plug are provided with plug assembly, and this plug assembly makes the first end plug together with the mutual grafting compact siro spinning technology of the second end plug; The first described end plug and the second end plug adopt Du Pont's glass-reinforced nylon material to make.
2. ball screw pair plastics splicing type end plug according to claim 1, it is characterized in that: described plug assembly is provided with vertical trapezoidal socket (3) in the right upper portion of the first end plug (1), horizontal trapezoidal socket (4) is provided with at the left lower of the first end plug (1), vertical trapezoidal plug (8) is provided with at the second end plug (5) right hand top, horizontal trapezoidal plug (7) is provided with at the second end plug (5) left lower, the vertical trapezoidal plug (8) of this second end plug right hand top and the trapezoidal plug of horizontal stroke (7) of left lower, the vertical trapezoidal socket (3) that level inserts the right upper portion of the first end plug (1) is respectively interior with in the horizontal trapezoidal socket (4) of left lower, it is integral that mutual grafting forms grafting.
3. ball screw pair plastics splicing type end plug according to claim 1, it is characterized in that: described plug assembly is provided with vertical trapezoidal plug in the right upper portion of the first end plug, horizontal trapezoidal socket is provided with at the left lower of the first end plug, vertical trapezoidal socket is provided with at the second end plug right hand top, horizontal trapezoidal plug is provided with at the second end plug left lower, the vertical trapezoidal socket of this second end plug right hand top and the trapezoidal plug of horizontal stroke of left lower, level respectively with the vertical trapezoidal plug of the right upper portion of the first end plug and the horizontal trapezoidal socket of left lower, it is integral that mutual grafting forms grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844773.8U CN205118166U (en) | 2015-10-28 | 2015-10-28 | Vice plastics grafting type end plug of ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844773.8U CN205118166U (en) | 2015-10-28 | 2015-10-28 | Vice plastics grafting type end plug of ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118166U true CN205118166U (en) | 2016-03-30 |
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ID=55573781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520844773.8U Expired - Fee Related CN205118166U (en) | 2015-10-28 | 2015-10-28 | Vice plastics grafting type end plug of ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205118166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221690A (en) * | 2015-10-28 | 2016-01-06 | 北京精密天工滚珠丝杠股份有限公司 | Ball screw pair plastics splicing type end plug |
| CN111075896A (en) * | 2019-12-31 | 2020-04-28 | 慈兴集团有限公司 | Ball screw with guide pipe |
-
2015
- 2015-10-28 CN CN201520844773.8U patent/CN205118166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221690A (en) * | 2015-10-28 | 2016-01-06 | 北京精密天工滚珠丝杠股份有限公司 | Ball screw pair plastics splicing type end plug |
| CN111075896A (en) * | 2019-12-31 | 2020-04-28 | 慈兴集团有限公司 | Ball screw with guide pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |