CN209800659U - Ball screw pair of seamless stainless steel pipe straightener for cylinder - Google Patents
Ball screw pair of seamless stainless steel pipe straightener for cylinder Download PDFInfo
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- CN209800659U CN209800659U CN201920001530.6U CN201920001530U CN209800659U CN 209800659 U CN209800659 U CN 209800659U CN 201920001530 U CN201920001530 U CN 201920001530U CN 209800659 U CN209800659 U CN 209800659U
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Abstract
The utility model belongs to the technical field of straightening machine part equipment technique and specifically relates to a ball screw of seamless nonrust steel pipe straightening machine for cylinder is vice, including lead screw and nut, the nut cover is established on the lead screw, is provided with the gasket between nut and the lead screw, all is provided with the ball guide slot on nut inner wall and the lead screw outer wall, is provided with the ball in the ball guide slot, and nut upper end top surface is provided with the recess, and the recess internal fixation has sealed lid, and nut one side is provided with circulation channel, and the nut opposite side is provided with the oil storage chamber, and the grooved underside is passed through the oil inlet way and is connected with the oil storage chamber. The utility model discloses a circulation path of circulation channel increase ball makes the ball that bears load in the ball guide slot increase, and ball screw is vice bearing capacity reinforcing is applicable to the occasion of heavily carrying, and the structure does not receive the restriction of helical pitch, and friction torque when having reduced the ball circulation makes the ball in the circulation channel can carry out sufficient lubrication through oil storage chamber and oil outlet channel.
Description
Technical Field
The utility model belongs to the technical field of straightening machine part equipment technique and specifically relates to a ball screw of seamless nonrust steel pipe straightening machine for cylinder is vice.
Background
The ball screw pair is a transmission device for converting rotary motion into linear motion or converting linear motion into rotary motion, the ball screw pair comprises a screw, a nut and a ball, because the ball screw pair has very small friction resistance, the ball screw pair is widely applied to the fields of various industrial equipment and precision instruments, the lubrication of the ball screw pair has important influence on the service performance and the service life of the ball screw pair, however, the lubrication mode of the ball screw pair in the prior art is insufficient, and further the friction force is large, the ball screw pair is easy to wear, the friction torque is large, and the rotation is difficult.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior ball screw pair technology, the utility model provides a ball screw pair of a seamless stainless steel pipe straightening machine for a cylinder.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a ball screw pair of seamless nonrust steel pipe straightener for cylinder, includes lead screw and nut, the nut cover is established on the lead screw, be provided with the gasket between nut and the lead screw, all be provided with the ball guide slot on nut inner wall and the lead screw outer wall, be provided with the ball in the ball guide slot, nut upper end top surface is provided with the recess, the recess internal fixation has sealed lid, nut one side is provided with circulation channel, the nut opposite side is provided with the oil storage chamber, the grooved underside is passed through the oil inlet way and is connected with the oil storage chamber, the oil storage chamber is through going out oil duct and circulation channel connection.
According to another embodiment of the present invention, the nut and the sealing cover are both T-shaped.
According to another embodiment of the present invention, the sealing cover further comprises a groove which is a hollow cylinder, and the lower portion of the sealing cover is engaged with the groove.
According to another embodiment of the present invention, further comprising the spacer length and the nut length equal.
according to another embodiment of the present invention, further comprising the circulation passage cross-sectional diameter is larger than the ball diameter.
According to another embodiment of the present invention, further comprising the balls as steel balls.
The utility model has the advantages that: the utility model discloses simple structure, the reliability is high, increase the circulation path of ball through circulation channel, the ball that makes bearing load in the ball guide slot increases, the vice bearing capacity reinforcing of ball screw, be applicable to the occasion of heavily carrying, the structure does not receive the restriction of helical pitch, friction torque when having reduced the ball circulation, make the ball in the circulation channel can carry out sufficient lubrication through oil storage chamber and oil outlet channel, through sealed entering that prevents dust and small particle material through sealed lid in the oil inlet channel in the recess, influence lubricated effect.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
Fig. 2 is a schematic side view of the present invention;
Fig. 3 is a schematic bottom view of the nut.
In the figure, the screw rod 1, the screw rod 2, the nut 3, the gasket 4, the ball guide groove 5, the ball 6, the groove 7, the sealing cover 8, the circulation channel 9, the oil storage cavity 10, the oil inlet channel 11 and the oil outlet channel.
Detailed Description
FIG. 1 is a schematic structural diagram of the present invention, a ball screw pair of a seamless stainless steel tube straightener for air cylinder, comprising a screw 1 and a nut 2, characterized in that the nut 2 is sleeved on the screw 1, a gasket 3 is arranged between the nut 2 and the screw 1, the length of the gasket 3 is equal to that of the nut 2, the nut 2 and the screw 1 can be fitted together, and the looseness caused by mechanical error is reduced, the inner wall of the nut 2 and the outer wall of the screw 1 are both provided with a ball guide groove 4, the ball guide groove 4 is internally provided with balls 5, the top surface of the upper end of the nut 2 is provided with a groove 6, a sealing cover 7 is fixed in the groove 6, the nut 2 and the sealing cover 7 are both T-shaped structures, the groove 6 is a hollow cylinder, the lower part of the sealing cover 7 is fitted with the groove 6, the present invention has simple structure and high reliability, and prevents the ingress of dust and small particles through the sealing of the, affecting the lubrication effect.
As shown in fig. 2 and 3, nut 2 one side is provided with circulation channel 8, and circulation channel 8 cross-sectional diameter is greater than the ball 5 diameter, nut 2 opposite side is provided with oil storage chamber 9, the recess 6 bottom surface is connected through oil feed way 10 and oil storage chamber 9, oil storage chamber 9 is connected through oil outlet channel 11 and circulation channel 8, and ball 5 is the steel ball, increases ball 5's circulation route through circulation channel 8, makes the ball 5 who bears the load in the ball guide slot 4 increase, and the bearing capacity of the ball screw pair strengthens, is applicable to the occasion of heavily carrying, and the structure does not receive the restriction of helical pitch, and the friction torque when having reduced ball 5 circulation, makes ball 5 in the circulation channel 8 can carry out sufficient lubrication through oil storage chamber 9 and oil outlet channel 11.
The working principle is as follows: the nut 2 is sleeved on the screw rod 1, lubricating oil is injected into the oil inlet channel 10 on the bottom surface of the groove 6 until the oil storage cavity 9 is completely filled, the sealing cover 7 is embedded into the groove 6 to seal the oil inlet channel 10, dust is prevented from entering, the lubricating oil enters the ball 5 in the circulating channel 8 during circulating rotation of the ball 5, and the lubricated ball 5 enters the ball guide groove 4 to rotate, so that abrasion is reduced.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A ball screw pair of a seamless stainless steel pipe straightener for a cylinder comprises a screw (1) and a nut (2), it is characterized in that the nut (2) is sleeved on the screw rod (1), a gasket (3) is arranged between the nut (2) and the screw rod (1), the inner wall of the nut (2) and the outer wall of the screw rod (1) are both provided with ball guide grooves (4), balls (5) are arranged in the ball guide grooves (4), a groove (6) is arranged on the top surface of the upper end of the nut (2), a sealing cover (7) is fixed in the groove (6), a circulating channel (8) is arranged at one side of the nut (2), an oil storage cavity (9) is arranged on the other side of the nut (2), the bottom surface of the groove (6) is connected with the oil storage cavity (9) through an oil inlet channel (10), the oil storage cavity (9) is connected with the circulating channel (8) through an oil outlet channel (11).
2. The ball screw pair of the straightener for seamless stainless steel pipes for air cylinders according to claim 1, wherein the nut (2) and the sealing cap (7) are both of a T-shaped structure.
3. The ball screw pair of the straightener for seamless stainless steel pipes for air cylinders according to claim 1, wherein the groove (6) is a hollow cylinder and the lower part of the sealing cover (7) is fitted with the groove (6).
4. The ball screw pair of the straightener for seamless stainless steel pipe for cylinder according to claim 1, wherein the length of the spacer (3) is equal to the length of the nut (2).
5. The ball screw pair of the straightener for seamless stainless steel pipe for cylinder according to claim 1 wherein the diameter of the cross section of the circulation path (8) is larger than the diameter of the ball (5).
6. The ball screw pair of the straightening machine for seamless stainless steel tubes for air cylinders according to claim 1, wherein the balls (5) are steel balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001530.6U CN209800659U (en) | 2019-01-02 | 2019-01-02 | Ball screw pair of seamless stainless steel pipe straightener for cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001530.6U CN209800659U (en) | 2019-01-02 | 2019-01-02 | Ball screw pair of seamless stainless steel pipe straightener for cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800659U true CN209800659U (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920001530.6U Active CN209800659U (en) | 2019-01-02 | 2019-01-02 | Ball screw pair of seamless stainless steel pipe straightener for cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN209800659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901228A (en) * | 2021-02-07 | 2021-06-04 | 山东科技大学 | Rotary friction type constant-resistance large-deformation anchor rod |
-
2019
- 2019-01-02 CN CN201920001530.6U patent/CN209800659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901228A (en) * | 2021-02-07 | 2021-06-04 | 山东科技大学 | Rotary friction type constant-resistance large-deformation anchor rod |
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