CN218194760U - Internal stay clamping device of ball nut excircle processing - Google Patents
Internal stay clamping device of ball nut excircle processing Download PDFInfo
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- CN218194760U CN218194760U CN202222341733.4U CN202222341733U CN218194760U CN 218194760 U CN218194760 U CN 218194760U CN 202222341733 U CN202222341733 U CN 202222341733U CN 218194760 U CN218194760 U CN 218194760U
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- pull rod
- rises
- nut
- ball nut
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Abstract
The utility model relates to an internal stay clamping device of ball nut excircle processing, including the anchor clamps body, the anchor clamps body on be provided with the cover pull rod that rises of horizontal slip, the anchor clamps body include installation department and installation cover, the installation sheathe in and be equipped with the cover that rises outward, the cover pull rod that rises include pull rod portion and the cover portion that rises, the cover that rises outward is established on pull rod portion, when pull rod portion rises outward cover one side and slides, the cover portion that rises can strut the cover that rises outward and support the clamp tightly to the machined part, the utility model discloses a set up the cover that rises outward and rise the cover pull rod, when ball nut cover is established and is sheathe in outward, through pulling the cover pull rod that rises, when making pull rod portion rise outward cover one side and slide, the cover portion that rises can strut the cover that rises outward and support the clamp tightly to can make the processing equipment to process ball nut's whole excircle, improve machining efficiency and machining precision.
Description
Technical Field
The utility model belongs to the technical field of ball nut processing, a internal stay clamping device of ball nut excircle processing is related to.
Background
The ball screw consists of a screw rod and a nut which are matched. The circulation mode of the balls can be divided into: a ball rotation channel is arranged between the bent pipe type lead screw pair and the screw nut, the ball generates axial load on the channel, and after rolling motion is carried out on the ball around the screw shaft, the ball enters a bent pipe opening inlaid in the screw nut and circulates to a load area along a bent pipe again, so that infinite rolling motion is carried out. The product is the most abundant popular product in the ball screw pair, and can be widely used for various purposes.
At present, an anchor clamps for processing nut for ball screw carries out the centre gripping to ball nut from ball nut's outside usually, leads to processing equipment to processing can't process clamping part to ball nut's cylindrical machining, needs the staff to exchange ball nut's both ends, processes clamping part again.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an internal stay clamping device of ball nut excircle processing.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides an internal stay clamping device of ball nut excircle processing, includes the anchor clamps body, the anchor clamps body on be provided with the cover pull rod that rises that can horizontal slip, the anchor clamps body include installation department and installation cover, the installation sheathe in and be equipped with the cover that rises outward, the cover pull rod that rises include pull rod portion and the cover portion that rises, the cover that rises outward is established on pull rod portion, when pull rod portion rises cover one side and slides outward, the cover portion that rises can strut the cover that rises outward and support the clamping to the machined part.
Through setting up the cover and the cover pull rod that rises outward, when ball nut cover was established and is sheathe in rising outward, through pulling the cover pull rod that rises, when making pull rod portion slip towards cover one side that rises outward, the cover portion that rises can strut the cover that rises outward and support the machined part and press from both sides tightly to can make the processing equipment can process ball nut's whole excircle, improve machining efficiency and machining precision.
In the internal stay clamping device for processing the outer circle of the ball nut, the expansion sleeve part comprises an installation guide step arranged at the end part of the pull rod part and an installation expansion sleeve taper step I. The diameter of the installation guide step is slightly larger than the inner diameter of the outer expansion sleeve, so that the installation guide step can prop open the outer expansion sleeve when entering the outer expansion sleeve, and the support of the outer expansion sleeve on the ball nut is clamped.
In the internal stay clamping device of foretell ball nut excircle processing, the cover that rises outward on seted up a plurality of elastic tanks, cut apart the groove and separate into a plurality of cover excircles that rise with the cover that rises outward, the both ends of cover that rises outward all be provided with the cover interior taper surface that rises, work as installation cover tapering step I that rises when entering to the cover that rises outward along the cover interior taper surface that rises, can strut the cover excircle that rises and support the machined part and press from both sides tightly.
In the internal support clamping device for processing the excircle of the ball nut, the clamp body is provided with the expansion clamp holder, the expansion clamp holder is internally provided with the adjusting nut, the adjusting nut can slide on the expansion clamp holder, and the adjusting nut is in threaded connection with the pull rod part.
In the internal support clamping device for processing the outer circle of the ball nut, the adjusting nut is horizontally provided with the nut rotation stopping groove, the expansion clamping seat is in threaded connection with the nut rotation stopping screw, and one end of the nut rotation stopping screw is tightly abutted to the nut rotation stopping groove. Through the one end of only changeing the screw with the nut and only changeing the groove and support tightly, can make outside motor stop changeing the screw through the nut and drive adjusting nut and rotate when driving the holder that rises and rotate, drive the anchor clamps body and rise the cover pull rod and rotate through the nut, outside hydro-cylinder can stimulate adjusting nut horizontal slip simultaneously to realize adjusting nut and drive the cover pull rod that rises and remove when sliding.
In the internal support clamping device for processing the outer circle of the ball nut, the mounting sleeve is provided with the mounting expansion sleeve taper step II, and the taper of the mounting expansion sleeve taper step I and the taper of the mounting expansion sleeve taper step II are matched with the inner taper surface of the expansion sleeve. The inner taper surfaces of the expansion sleeve on two sides of the outer expansion sleeve are respectively matched with the tapers of the expansion sleeve taper step I and the expansion sleeve taper step II on two sides, so that the outer expansion sleeve is positioned, and the outer expansion sleeve is prevented from sliding horizontally.
In the internal stay clamping device for processing the outer circle of the ball nut, the pull rod part is horizontally provided with the pull rod rotation stopping sliding groove, the installation part is provided with the pull rod rotation stopping screw, and the end part of the pull rod rotation stopping screw is positioned in the pull rod rotation stopping sliding groove. The end part of the pull rod rotation stopping screw is positioned in the pull rod rotation stopping sliding groove, so that the expansion sleeve pull rod can play a role in guiding when horizontally sliding, and the expansion sleeve pull rod is prevented from rotating.
In the internal support clamping device for processing the outer circle of the ball nut, the mounting part is provided with the nut positioning block. The arrangement of the nut positioning hole enables the ball nut to be tightly abutted to the nut positioning block in the machining process, so that the ball nut is prevented from being displaced in the machining process to influence the machining precision.
Compared with the prior art, the utility model discloses a set up the cover that rises outward and rise the cover pull rod, when ball nut cover was established and is sheathe in rising outward, through pulling the cover pull rod that rises, when making pull rod portion rise cover one side outwards and slide, the cover portion that rises can strut the cover that rises outward and support the machined part and press from both sides tightly to can make the processing equipment can process ball nut's whole excircle, improve machining efficiency and machining precision.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention without an external expansion sleeve;
FIG. 3 is a schematic view of the structure of the external expanding sleeve of the present invention;
FIG. 4 is a schematic view of the structure of the tension rod of the expansion sleeve of the present invention;
fig. 5 is a schematic view of the installation structure of the adjusting nut and the expansion sleeve pull rod.
In the figure, 1, a clamp body; 101. an installation part; 102. installing a sleeve; 2. a tension rod of the expansion sleeve; 21. a pull rod part; 22. a sleeve expanding part; 221. installing a guide step; 222. installing an expansion sleeve taper step I; 3. an external expansion sleeve; 4. an elastic groove; 5. the outer circle of the expansion sleeve; 6. an inner taper surface of the expansion sleeve; 7. a clamping expanding seat; 8. adjusting the nut; 9. a nut rotation stopping groove; 10. a nut rotation stopping screw; 11. installing an expansion sleeve taper step II; 12. a pull rod rotation stopping chute; 13. a pull rod rotation-stopping screw; 14. and a nut positioning block.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1 to 5, an internal stay clamping device of ball nut excircle processing, including the anchor clamps body 1, the anchor clamps body 1 on be provided with the cover pull rod 2 that rises that can horizontal slip, the anchor clamps body 1 include installation department 101 and installation cover 102, installation cover 102 on the cover be equipped with the cover 3 that rises outward, cover pull rod 2 that rises include pull rod portion 21 and cover portion 22 that rises, pull rod portion 21 go up the level and seted up pull rod spline spout 12, installation department 101 on be provided with pull rod spline screw 13, the tip of pull rod spline screw 13 be located pull rod spline spout 12. The end part of the pull rod rotation stopping screw 13 is positioned in the pull rod rotation stopping chute 12, so that the expansion sleeve pull rod 2 can play a role in guiding when sliding horizontally, and the expansion sleeve pull rod 2 is prevented from rotating.
The expansion sleeve part 22 comprises a mounting guide step 221 and a mounting expansion sleeve taper step I222 which are arranged at the end part of the pull rod part 21. The diameter of the installation guide step 221 is slightly larger than the inner diameter of the outer expanding sleeve 3, so that the installation guide step 221 can expand the outer expanding sleeve 3 when entering the outer expanding sleeve 3, and the outer expanding sleeve 3 can support and clamp the ball nut.
The cover of rising outward 3 covers is established on pull rod portion 21, the cover of rising outward 3 on seted up a plurality of elastic slot 4, cut apart the groove and separate into a plurality of cover excircle 5 that rise with the cover 3 that rises outward, the both ends of the cover that rises outward 3 all be provided with the cover that rises internal taper surface 6, work as installation rise cover tapering step I222 along the cover that rises internal taper surface 6 and get into to the cover that rises outward 3 in, can prop the cover excircle 5 that rises and support the machined part and press from both sides tightly.
The mounting sleeve 102 is provided with a mounting expansion sleeve taper step II 11, and the taper of the mounting expansion sleeve taper step I222 and the mounting expansion sleeve taper step II 11 is matched with the expansion sleeve inner taper surface 6. The inner taper surfaces 6 of the expansion sleeve on two sides of the outer expansion sleeve 3 are respectively matched with the taper of the expansion sleeve taper step I222 and the expansion sleeve taper step II 11 on two sides, so that the outer expansion sleeve 3 is positioned, and the outer expansion sleeve 3 is prevented from sliding horizontally.
The clamp comprises a clamp body 1 and is characterized in that an expansion clamp seat 7 is arranged on the clamp body 1, an adjusting nut 8 is arranged in the expansion clamp seat 7, the adjusting nut 8 can slide on the expansion clamp seat 7, and the adjusting nut 8 is in threaded connection with a pull rod part 21.
The adjusting nut 8 is horizontally provided with a nut rotation stopping groove 9, the expansion clamping seat 7 is in threaded connection with a nut rotation stopping screw 10, and one end of the nut rotation stopping screw 10 is tightly abutted to the nut rotation stopping groove 9. Through only rotating the one end of screw 10 and nut only to support tightly with nut, can make outside motor stop rotating screw 10 through the nut when driving to rise holder 7 and rotate and drive adjusting nut 8 and rotate, drive the anchor clamps body 1 and rise set pull rod 2 through the nut and rotate, outside hydro-cylinder can stimulate adjusting nut 8 horizontal slip simultaneously, for avoiding outside hydro-cylinder to rotate along with adjusting nut 8, should be equipped with the bearing between hydro-cylinder output shaft and the hydro-cylinder body, thereby realize that adjusting nut 8 drives set pull rod 2 that rises when sliding and remove.
The mounting portion 101 is provided with a nut positioning block 14. Due to the arrangement of the nut positioning holes, one end of the ball nut can be tightly abutted against the nut positioning block 14 in the machining process of the ball nut, so that the ball nut is prevented from being displaced in the machining process to influence the machining precision.
The working principle is as follows: firstly, a worker sleeves a ball nut on an outer expansion sleeve 3, the ball nut can horizontally slide on the outer expansion sleeve 3 at the moment, then an external oil cylinder pulls an adjusting nut 8, the adjusting nut 8 is in threaded connection with one end of an expansion sleeve pull rod 2 to drive the expansion sleeve pull rod 2 to move towards one end of the outer expansion sleeve 3, a taper step I222 for installing the expansion sleeve enters the inner circle of the expansion sleeve along an inner taper surface 6 of the expansion sleeve, the outer expansion sleeve 3 is spread, the ball nut is supported and clamped by the outer expansion sleeve 3, the ball nut is fixed on the outer expansion sleeve 3 at the moment, an external motor is connected with an expansion clamp base 7, one end of a nut rotation stopping screw 10 is abutted with a nut rotation stopping groove 9, the external motor can drive the adjusting nut 8 to rotate through the nut rotation stopping screw 10 when the expansion clamp base 7 is driven to rotate, the ball nut on the outer expansion sleeve 3 also rotates, and external processing equipment processes the outer circle of the ball nut.
The utility model discloses a set up the cover 3 that rises outward and rise set pull rod 2, when ball nut cover was established on the cover 3 that rises outward, through pulling the cover pull rod 2 that rises, when making pull rod portion 21 the cover 3 one side that rises outward slide, the cover portion 22 that rises can strut the cover 3 that rises outward and support the machined part and press from both sides tightly to can make the processing equipment can process ball nut's whole excircle, improve machining efficiency and machining precision.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides an internal stay clamping device of ball nut excircle processing, a serial communication port, including the anchor clamps body (1), the anchor clamps body (1) on be provided with cover pull rod (2) but the cover that rises of horizontal slip, the anchor clamps body (1) including installation department (101) and installing sleeve (102), installing sleeve (102) on the cover be equipped with the cover that rises outward (3), cover pull rod (2) that rise include pull rod portion (21) and cover portion (22) that rises, cover (3) cover is established on pull rod portion (21) that rises outward, when pull rod portion (21) rise cover (3) one side and slide, cover portion (22) that rises can strut cover (3) that rises outward and press from both sides the machined part supporting clip tightly.
2. The inner support clamping device for outer circle machining of the ball nut as claimed in claim 1, wherein: the expansion sleeve part (22) comprises an installation guide step (221) arranged at the end part of the pull rod part (21) and an installation expansion sleeve taper step I (222).
3. The inner support clamping device for machining the outer circle of the ball nut as claimed in claim 2, wherein: the cover that rises outward (3) on seted up a plurality of elastic slot (4), cut apart the groove and separate into a plurality of cover excircle (5) that rise with the cover that rises outward (3), the both ends of the cover that rises outward (3) all be provided with the cover that rises internal taper face (6), work as installation rise set taper step I (222) when entering into to the cover that rises outward (3) along the cover that rises internal taper face (6), can strut cover excircle (5) that rises and support the machined part and press from both sides tightly.
4. The inner support clamping device for machining the outer circle of the ball nut as claimed in claim 3, wherein: the clamp is characterized in that an expansion clamp seat (7) is arranged on the clamp body (1), an adjusting nut (8) is arranged in the expansion clamp seat (7), the adjusting nut (8) can slide in the expansion clamp seat (7), and the adjusting nut (8) is in threaded connection with a pull rod part (21).
5. The inner support clamping device for machining the outer circle of the ball nut as claimed in claim 4, wherein: the adjusting nut (8) is horizontally provided with a nut rotation stopping groove (9), the expansion clamping seat (7) is in threaded connection with a nut rotation stopping screw (10), and one end of the nut rotation stopping screw (10) is tightly abutted to the nut rotation stopping groove (9).
6. The inner support clamping device for machining the outer circle of the ball nut as claimed in claim 5, wherein: the installation sleeve (102) is provided with an installation expansion sleeve taper step II (11), and the taper of the installation expansion sleeve taper step I (222) and the taper step II (11) is matched with the inner taper surface (6) of the expansion sleeve.
7. The inner support clamping device for outer circle machining of the ball nut as claimed in claim 6, wherein: pull rod portion (21) go up the level and seted up pull rod spline spout (12), installation department (101) on be provided with pull rod spline screw (13), pull rod spline screw (13) the tip be located pull rod spline spout (12).
8. The inner support clamping device for machining the outer circle of the ball nut as claimed in claim 7, wherein: the mounting part (101) is provided with a nut positioning block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222341733.4U CN218194760U (en) | 2022-09-02 | 2022-09-02 | Internal stay clamping device of ball nut excircle processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222341733.4U CN218194760U (en) | 2022-09-02 | 2022-09-02 | Internal stay clamping device of ball nut excircle processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218194760U true CN218194760U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222341733.4U Active CN218194760U (en) | 2022-09-02 | 2022-09-02 | Internal stay clamping device of ball nut excircle processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218194760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116766056A (en) * | 2023-08-11 | 2023-09-19 | 无锡市海峰海林精密轴承有限公司 | Grinding clamp for swing rod bearing inner ring and use method thereof |
-
2022
- 2022-09-02 CN CN202222341733.4U patent/CN218194760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116766056A (en) * | 2023-08-11 | 2023-09-19 | 无锡市海峰海林精密轴承有限公司 | Grinding clamp for swing rod bearing inner ring and use method thereof |
| CN116766056B (en) * | 2023-08-11 | 2024-05-07 | 无锡市海峰海林精密轴承有限公司 | Grinding clamp for swing rod bearing inner ring and use method thereof |
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