CN219994307U - Ball screw capable of feeding at high speed - Google Patents
Ball screw capable of feeding at high speed Download PDFInfo
- Publication number
- CN219994307U CN219994307U CN202320517424.XU CN202320517424U CN219994307U CN 219994307 U CN219994307 U CN 219994307U CN 202320517424 U CN202320517424 U CN 202320517424U CN 219994307 U CN219994307 U CN 219994307U
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- ball
- ball nut
- outer side
- screw
- screw rod
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- 238000005461 lubrication Methods 0.000 claims abstract description 13
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 description 16
- 239000003921 oil Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a high-speed feeding ball screw, which comprises a screw rod body and a lubricating mechanism; a screw rod body: the middle part of the outer side surface of the screw rod body is provided with a spiral ball groove, the outer side surface of the screw rod body is movably sleeved with a ball nut, and balls are uniformly filled between the spiral groove of the inner wall of the ball nut and the spiral ball groove; lubrication mechanism: install in the mounting groove that ball nut lateral surface set up, lubrication mechanism's inside is equipped with and returns the pearl passageway with spiral ball groove complex, the step inslot that both ends symmetry set up about the ball nut all is equipped with the dust ring, and the inner wall of dust ring all contacts with the lateral surface of the lead screw body of rod, and this high-speed ball that feeds in, the fixed more firm of picture peg can also clean the lead screw body of rod is automatic, and follow-up ball roll is more smooth and easy, and the ball can lubricate voluntarily moreover, lubricates more evenly to improve the speed that ball nut feeds in greatly.
Description
Technical Field
The utility model relates to the technical field of ball screws, in particular to a high-speed feeding ball screw.
Background
The high-speed ball screw is a transmission element most commonly used on tool machinery and precision machinery, the main function of the high-speed ball screw is to convert rotary motion into linear motion or torque into axial repeated acting force, the high-speed ball screw has the characteristics of high precision, reversibility and high efficiency, the high-speed ball screw is mainly applied to CNC machinery, precision tool machines, industrial machinery, electronic machinery, high-speed machinery and the like, the circulating mode of the ball is a circulating conduit type, a circulator type and an end cover type, as a plurality of balls between a screw shaft and a screw nut of a ball screw pair do rolling motion, the high motion efficiency can be obtained, the friction force during rolling of the balls of the ball screw needs to be reduced, the lubricating oil needs to be smeared inside the ball screw periodically, the conventional ball screw mostly needs to be smeared manually, when a worker fails to lubricate the screw in time, the ball screw can influence the feeding speed due to the increase of the friction force, and the inside of a spiral groove is easy to accumulate when the ball screw body is used, so that the rolling of the ball is influenced.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the ball screw capable of feeding at high speed, the fixing of the inserting plate is firmer, the rod body of the screw rod can be automatically cleaned, the rolling of the follow-up balls is smoother, and the balls can be automatically lubricated and more uniformly lubricated, so that the feeding speed of the ball nut is greatly improved, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a ball screw for high-speed feeding comprises a screw rod body and a lubricating mechanism;
a screw rod body: the middle part of the outer side surface of the screw rod body is provided with a spiral ball groove, the outer side surface of the screw rod body is movably sleeved with a ball nut, and balls are uniformly filled between the spiral groove of the inner wall of the ball nut and the spiral ball groove;
lubrication mechanism: install in the mounting groove that ball nut lateral surface set up, lubrication mechanism's inside be equipped with spiral ball groove complex return the pearl passageway, the fixed more firm of picture peg can also clean the lead screw body of rod automatically, follow-up ball roll more smoothly, the ball can lubricate automatically moreover, lubrication is more even to improve ball nut feed speed greatly.
Further, the step grooves symmetrically formed in the left end and the right end of the ball nut are respectively provided with a dustproof ring, and the inner walls of the dustproof rings are contacted with the outer side surfaces of the screw rod body, so that dust can be prevented from entering the ball nut.
Further, the lubrication mechanism comprises a plugboard, the plugboard is inserted in an installation groove formed in the outer side face of the ball nut, a bead returning channel is formed in the plugboard, the lower end of the plugboard is located in the spiral ball groove, limiting rings matched with the plugboard are movably sleeved at the left end and the right end of the outer side face of the ball nut, gaps are symmetrically formed in the inner wall of the limiting rings, protrusions matched with the gaps are uniformly formed in the outer side face of the ball nut, and the plugboard is fixed more firmly.
Further, the middle part of the outer side surface of the plugboard is provided with an oil tank, an oil filling port at the upper end of the oil tank is internally connected with a sealing bolt in a threaded manner, and the oil tank is communicated with a ball return channel through a strip-shaped port arranged in the middle of the upper surface of the plugboard, so that automatic lubrication of balls is facilitated.
Further, a sponge strip is arranged in the strip-shaped opening in the middle of the upper surface of the inserting plate, so that the ball lubrication is more uniform.
Further, arc plates are arranged at the upper ends of the left side surface and the right side surface of the ball nut, brushes matched with the screw rod body are arranged on the inner cambered surfaces of the arc plates, and ash removal can be carried out on the spiral ball grooves on the outer side surface of the screw rod body.
Further, the left end of the outer side face of the ball nut is provided with a connecting plate, and connecting holes are uniformly formed in the edge of the connecting plate, so that the ball nut is conveniently connected with an external sliding assembly.
Compared with the prior art, the utility model has the beneficial effects that: the high-speed feeding ball screw has the following advantages:
1. the insertion plate is arranged in the mounting groove formed in the outer side face of the ball nut, the notch of the inner wall of the limiting ring corresponds to the bulge of the outer side face of the ball nut and moves the limiting ring, the inner wall of the limiting ring is in contact with the outer side face of the insertion plate, then the limiting ring is rotated, the notch is staggered with the bulge of the outer side face of the ball nut, the insertion plate is fixed more firmly, the rolling of the follow-up balls is smoother, and the feeding of the ball nut is affected due to collision when the balls roll is avoided.
2. The outside motor drive lead screw body of rod rotates, drive ball nut through the ball and control and remove, make the ball roll between the helicla flute of ball nut inner wall and the helicla flute simultaneously, friction between the lead screw body of rod and the ball nut can greatly reduced, when moving to the left, the ball rolls in and rolls out from the opening on the right side of the ball passageway by returning the left opening of ball passageway, circulate the ball, when the ball passes through from returning the inside of ball passageway, the sponge strip adsorbs the inside lubricating oil of oil tank and smears the lateral surface of ball with lubricating oil, thereby can carry out self-lubricating to the ball, it is more even to lubricate, greatly reduced ball and the frictional force between lead screw body of rod and the ball nut, thereby improve ball nut feed speed greatly.
3. The brush of the inner wall of the arc-shaped plate can clean the spiral ball groove on the outer side surface of the screw rod body when the screw rod body rotates, dust can be prevented from entering the ball nut by the dust-proof ring, the rolling of the ball is prevented from being influenced by the dust, and the normal feeding of the ball nut is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal cross-sectional structure of the ball nut of the present utility model;
fig. 3 is a schematic partial structure of the interposer of the present utility model.
In the figure: 1 a screw rod body, 2 a lubrication mechanism, 21 an inserting plate, 22 an oil tank, 23 a sealing bolt, 24 a sponge strip, 3 a spiral ball groove, 4 a ball nut, 5 balls, 6 a connecting plate, 61 a connecting hole, 7 a ball return channel, 8 a limiting ring, 81 a notch, 9 a dust-proof ring and 10 an arc plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a ball screw for high-speed feeding comprises a screw rod body 1 and a lubricating mechanism 2;
screw rod body 1: the middle part of the outer side surface of the screw rod body 1 is provided with a spiral ball groove 3, the outer side surface of the screw rod body 1 is movably sleeved with a ball nut 4, balls 5 are uniformly filled between the spiral groove on the inner wall of the ball nut 4 and the spiral ball groove 3, the left end of the outer side surface of the ball nut 4 is provided with a connecting plate 6, the edge of the connecting plate 6 is uniformly provided with a connecting hole 61, the screw rod body 1 is installed to a proper position, the connecting plate 6 is connected with an external movable component through the connecting hole 61 by using a bolt, the screw rod body 1 and the ball nut 4 are conveniently installed, dust-proof rings 9 are respectively arranged in the step grooves symmetrically arranged at the left end and the right end of the ball nut 4, the inner wall of each dust-proof ring 9 is contacted with the outer side surface of the screw rod body 1, dust can be prevented from entering the inside of the ball nut 4, arc plates 10 are respectively arranged at the upper ends of the left side surface and the right side surface of the ball nut 4, and the inner arc surfaces of the arc plates 10 are respectively provided with brushes matched with the screw rod body 1, and the spiral ball groove 3 on the outer side surface of the screw rod body 1 can be cleaned, and the dust is prevented from affecting the rolling of the balls 5;
lubrication mechanism 2: the ball nut is arranged in an installation groove arranged on the outer side surface of the ball nut 4, a ball returning channel 7 matched with the spiral ball groove 3 is arranged in the lubrication mechanism 2, the lubrication mechanism 2 comprises a plugboard 21, the plugboard 21 is inserted into the installation groove arranged on the outer side surface of the ball nut 4, the ball returning channel 7 is arranged in the plugboard 21, the lower end of the plugboard 21 is positioned in the spiral ball groove 3 and plays a guiding role on the ball 5, limiting rings 8 matched with the plugboard 21 are movably sleeved at the left end and the right end of the outer side surface of the ball nut 4, gaps 81 are symmetrically arranged on the inner wall of the limiting rings 8, protrusions matched with the gaps 81 are uniformly arranged on the outer side surface of the ball nut 4, an oil tank 22 is arranged in the middle of the outer side surface of the plugboard 21, a sealing bolt 23 is connected with the inner thread of the oil filling port of the upper end of the oil tank 22, the oil tank 22 is convenient to fill oil into the oil tank 22 regularly, and the oil tank 22 is communicated with the ball returning channel 7 through a strip-shaped port arranged in the middle of the upper surface of the plugboard 21, the sponge strip 24 is arranged in the strip-shaped opening in the middle of the upper surface of the inserting plate 21, the inserting plate 21 is arranged in the mounting groove arranged on the outer side surface of the ball nut 4, the notch 81 of the inner wall of the limiting ring 8 corresponds to the bulge on the outer side surface of the ball nut 4 and moves the limiting ring 8, the inner wall of the limiting ring 8 is contacted with the outer side surface of the inserting plate 21, then the limiting ring 8 is rotated, the notch 81 is staggered with the bulge on the outer side surface of the ball nut 4, the fixing of the inserting plate 21 is firmer, the rolling of the subsequent balls 5 is smoother, the external motor drives the rod body of the screw rod 1 to rotate, the ball 5 is driven to move left and right through driving the ball nut 4, meanwhile, the rolling of the balls 5 between the spiral groove on the inner wall of the ball nut 4 and the spiral ball groove 3 can greatly reduce the friction force between the screw rod body 1 and the ball nut 4, the ball 5 rolls in from the opening that returns the pearl passageway 7 left side and rolls out from the opening that returns the pearl passageway 7 right side, circulates ball 5, and when ball 5 from returning the inside through of pearl passageway 7, sponge strip 24 adsorbs the inside lubricating oil of oil tank 22 and scribbles the lateral surface of ball 5 with lubricating oil to can carry out self-lubricating to ball 5, greatly reduced ball 5 and the frictional force between the lead screw body of rod 1 and the ball nut 4, thereby improve the speed that ball nut 4 fed greatly.
The utility model provides a high-speed feeding ball screw, which has the following working principle: install the screw body of rod 1 to suitable position, use the bolt to be connected connecting plate 6 and outside movable assembly through connecting hole 61, install the picture peg 21 to the mounting groove that ball nut 4 lateral surface set up in, correspond and remove spacing ring 8 with the breach 81 of spacing ring 8 inner wall and the arch of ball nut 4 lateral surface, make the inner wall of spacing ring 8 and the lateral surface contact of picture peg 21, then rotate spacing ring 8, make the breach 81 dislocation with the arch of ball nut 4 lateral surface, make the fixation of picture peg 21 more firm, make follow-up ball 5's roll more smooth and easy, outside motor drive screw body of rod 1 rotates, drive ball nut 4 through ball 5 and control the removal, make simultaneously the rolling force between the helicla groove of ball nut 4 inner wall and helicla ball groove 3, can greatly reduced screw body of rod 1 and ball nut 4 between the frictional force, when moving left, ball 5 rolls into and rolls out from the opening on the right side of returning the pearl passageway 7, circulate ball 5, when ball 5 is from the inside oil tank that passes through in the pearl passageway 7, the inside 24 adsorbs the sponge strip and with the inside roll of ball nut 4, thereby the rolling ball 5 can be greatly reduced to the ball body of rod 1 and the ball nut 1, thereby the ball body of rod 1 can be greatly reduced to the rolling ball body of rod 1, and the ball screw body of rod 1 can be greatly reduced in the rolling force between the side surface of rod 1 and the screw body of rod 4, thereby greatly reduced in the rolling ball body of rod 1, and the rolling ball body 1 can be greatly reduced to the roll the ball body 1, and the ball body is greatly reduced in the rolling speed 10, and the side.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A high speed feed ball screw, characterized by: comprises a screw rod body (1) and a lubricating mechanism (2);
screw rod body (1): the middle part of the outer side surface of the screw rod body (1) is movably sleeved with a ball nut (4), and balls (5) are uniformly filled between the spiral groove of the inner wall of the ball nut (4) and the spiral ball groove (3);
lubrication mechanism (2): the ball return channel (7) matched with the spiral ball groove (3) is arranged in the lubricating mechanism (2);
the lubricating mechanism (2) comprises a plugboard (21), the plugboard (21) is inserted into an installation groove formed in the outer side face of the ball nut (4), a bead returning channel (7) is formed in the plugboard (21), the lower end of the plugboard (21) is located in the spiral ball groove (3), limiting rings (8) matched with the plugboard (21) are movably sleeved at the left end and the right end of the outer side face of the ball nut (4), gaps (81) are symmetrically formed in the inner wall of the limiting rings (8), and protrusions matched with the gaps (81) are uniformly formed in the outer side face of the ball nut (4).
2. A high speed feed ball screw as defined in claim 1 wherein: the ball nut (4) is characterized in that dust-proof rings (9) are respectively arranged in step grooves symmetrically arranged at the left end and the right end of the ball nut, and the inner walls of the dust-proof rings (9) are contacted with the outer side face of the screw rod body (1).
3. A high speed feed ball screw as defined in claim 1 wherein: an oil tank (22) is arranged in the middle of the outer side surface of the inserting plate (21), a sealing bolt (23) is connected with an oil injection port at the upper end of the oil tank (22) in a threaded mode, and the oil tank (22) is communicated with the bead returning channel (7) through a strip-shaped port arranged in the middle of the upper surface of the inserting plate (21).
4. A high-speed feed ball screw as in claim 3 wherein: a sponge strip (24) is arranged in a strip-shaped opening in the middle of the upper surface of the inserting plate (21).
5. A high speed feed ball screw as defined in claim 1 wherein: arc plates (10) are arranged at the upper ends of the left side surface and the right side surface of the ball nut (4), and brushes matched with the screw rod body (1) are arranged on the inner cambered surfaces of the arc plates (10).
6. A high speed feed ball screw as defined in claim 1 wherein: the left end of the outer side face of the ball nut (4) is provided with a connecting plate (6), and the edge of the connecting plate (6) is uniformly provided with connecting holes (61).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320517424.XU CN219994307U (en) | 2023-03-17 | 2023-03-17 | Ball screw capable of feeding at high speed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320517424.XU CN219994307U (en) | 2023-03-17 | 2023-03-17 | Ball screw capable of feeding at high speed |
Publications (1)
Publication Number | Publication Date |
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CN219994307U true CN219994307U (en) | 2023-11-10 |
Family
ID=88612846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320517424.XU Active CN219994307U (en) | 2023-03-17 | 2023-03-17 | Ball screw capable of feeding at high speed |
Country Status (1)
Country | Link |
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CN (1) | CN219994307U (en) |
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2023
- 2023-03-17 CN CN202320517424.XU patent/CN219994307U/en active Active
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