CN213997821U - High-speed precise lead screw transmission structure of numerical control lathe with dynamic auxiliary support - Google Patents
High-speed precise lead screw transmission structure of numerical control lathe with dynamic auxiliary support Download PDFInfo
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- CN213997821U CN213997821U CN202022556115.2U CN202022556115U CN213997821U CN 213997821 U CN213997821 U CN 213997821U CN 202022556115 U CN202022556115 U CN 202022556115U CN 213997821 U CN213997821 U CN 213997821U
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- lead screw
- transmission structure
- auxiliary support
- numerically controlled
- screw transmission
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Abstract
The utility model discloses a high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay, including lead screw and two mount pads, install respectively in two mount pads at the lead screw both ends, the high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay still includes slide box and panel, slide box slidable mounting is in the lead screw, the panel is fixed in slide box bottom, panel and slide box support lead screw, and the strong point changes along with the removal of slide box, through the aforesaid design, the support of lead screw is on the basis that the mount pad of both ends supported, panel and slide box support lead screw have been increased, and the strong point changes along with the removal of slide box, realize the developments auxiliary stay, avoid the lead screw to deflect flagging, the problem of quivering at a high speed.
Description
Technical Field
The utility model relates to a lead screw drive structure especially relates to a high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay.
Background
Traditional lead screw drive's support mainly adopts two kinds of structural style:
1. the two ends of the screw rod are supported, and the middle of the screw rod is suspended without support. The structure has a long-specification lead screw deflection drooping structure aeipathia on the one hand, and on the other hand, when moving fast, the high-speed rotation of the lead screw easily causes high-speed chatter, so that the transmission precision and the working efficiency are greatly influenced, and the processing quality of a machine tool is influenced.
2. The lead screw both ends are supported, and the middle simple and easy fixed stay that increases, and this kind of structure mainly is the improvement that carries out to the problem that first kind of structure exists. Typically, a half-axle shoe-type carriage is used to support the lead screw in a fixed position. On one hand, the structure can only support the screw at a limited fixed position and can not effectively inhibit the deflection and the droop of the screw, and the half-axle tile-type lifting structure can not inhibit the vibration caused by the high-speed rotation of the screw during the rapid movement, so that the problem of the first structure can not be effectively solved. In addition, the structure has new problems of difficult adjustment, easy scrap iron accumulation, jamming, interference with the full-stroke operation of the screw rod and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, one of the purposes of the utility model is to provide a high-speed accurate lead screw transmission structure of numerical control lathe of developments auxiliary stay, above-mentioned structure can the developments auxiliary stay lead screw, avoids the problem that the lead screw flexion is flagging, high-speed quiver.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay, includes lead screw and two mount pads, the lead screw both ends are installed respectively in two the mount pad, the high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay still includes saddle and panel, saddle sliding mounting in the lead screw, the panel is fixed in saddle bottom, the panel reaches the saddle supports the lead screw to the strong point is followed the removal of saddle changes.
Furthermore, the high-speed precise screw transmission structure of the dynamically auxiliary supported numerically controlled lathe further comprises a nut and a nut seat, wherein the nut and the nut seat are mounted on the screw and move on the screw along with the rotation of the screw, the nut is matched with the nut seat, and the nut seat is fixedly connected with the slide carriage.
Further, the nut and the nut seat are located between the two installation seats.
Furthermore, the high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support further comprises a driving piece, and the driving piece is matched with the screw to drive the screw to rotate.
Further, the driving piece is a servo motor.
Further, the gib is parallel to the lead screw.
Further, the gib is installed on the guide surface of the machine tool in a sliding mode.
Compared with the prior art, the utility model discloses the high-speed accurate lead screw drive structure of numerical control lathe of developments auxiliary stay still includes slide carriage case and panel, slide carriage case slidable mounting is in the lead screw, the panel is fixed in slide carriage bottom of the case portion, panel and slide carriage case support lead screw, and the strong point changes along with the removal of slide carriage case, through the aforesaid design, the support of lead screw is on the basis that the both ends mount pad supported, panel and slide carriage case support lead screw has been increased, and the strong point changes along with the removal of slide carriage case, realize the developments auxiliary stay, avoid the lead screw flexion flagging, the problem of quivering at a high speed.
Drawings
FIG. 1 is a perspective view of the high-speed precise screw transmission structure of the numerically controlled lathe with dynamic auxiliary support of the present invention;
FIG. 2 is another perspective view of the high-speed precision lead screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support of FIG. 1;
fig. 3 is a front view of the high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support in fig. 2.
In the figure: 10. a drive member; 20. a lead screw; 30. a mounting seat; 40. a nut; 50. a nut seat; 60. a slide carriage box; 70. and (5) embedding strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1 to fig. 3 show the high-speed precise screw transmission structure of the numerically controlled lathe with dynamic auxiliary support of the present invention, which includes a driving member 10, a screw 20, a mounting seat 30, a nut 40, a nut seat 50, a carriage 60 and an insert 70.
The drive 10 is a servo motor. The driving member 10 is connected to the lead screw 20 and drives the lead screw 20 to rotate. The number of the mounting seats 30 is two, and the two mounting seats 30 are respectively mounted at two opposite ends of the screw rod 20 and are used for supporting the screw rod 20. The nut 40 and the nut seat 50 are sleeved on the screw rod 20, and the nut 40 is matched with the screw rod 20 to convert the rotation motion of the screw rod 20 into linear motion. The nut seat 50 is connected with the nut 40 in a matching way. The nut holder 50 and the nut 40 move linearly on the threaded spindle 20 along the threaded spindle 20. The slide carriage box 60 is fixedly connected with the nut seat 50. The gib 70 is fixed to the bottom of the saddle box 60. The gib 70 is slidably mounted on the machine tool rail. The gib 70 and the slide box 60 support the screw rod 20 through the nut seat 50.
When the high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support is used, the driving part 10 drives the screw 20 to rotate, and the screw 20 drives the slide carriage box 60 to slide on the lathe through the nut 40 and the nut seat 50. At the moment, the two ends of the screw rod 20 are supported by the mounting seats 30, meanwhile, the gib 70 and the slide carriage 60 support the screw rod 20 through the nut seats 50, and along with the movement of the slide carriage 60, a supporting point also moves on the screw rod 20, so that dynamic auxiliary support is realized, and the problems of deflection and sagging of the screw rod 20 and high-speed vibration are avoided.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, all according to the equivalent modifications and evolutions of the present invention, which are made to the above embodiments by the essential technology, and all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-speed accurate lead screw transmission structure of numerical control lathe of developments auxiliary stay, includes lead screw and two mount pads, the lead screw both ends are installed respectively in two the mount pad, its characterized in that: the high-speed precise lead screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support further comprises a slide carriage box and an insert, wherein the slide carriage box is slidably mounted on the lead screw, the insert is fixed at the bottom of the slide carriage box, the insert and the slide carriage box support the lead screw, and a support point is changed along with the movement of the slide carriage box.
2. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 1, wherein: the high-speed precise lead screw transmission structure of the dynamically auxiliary supported numerically controlled lathe further comprises a nut and a nut seat, wherein the nut and the nut seat are mounted on the lead screw and move on the lead screw along with the rotation of the lead screw, the nut is matched with the nut seat, and the nut seat is fixedly connected with the slide carriage.
3. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 2, wherein: the nut and the nut seat are positioned between the two mounting seats.
4. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 1, wherein: the high-speed precise lead screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support further comprises a driving piece, and the driving piece is matched with the lead screw to drive the lead screw to rotate.
5. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 4, wherein: the driving piece is a servo motor.
6. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 1, wherein: the gib is parallel to the lead screw.
7. The high-speed precise screw transmission structure of the numerically controlled lathe with the dynamic auxiliary support as claimed in claim 1, wherein: the gib is installed on the guide rail surface of the machine tool in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556115.2U CN213997821U (en) | 2020-11-06 | 2020-11-06 | High-speed precise lead screw transmission structure of numerical control lathe with dynamic auxiliary support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556115.2U CN213997821U (en) | 2020-11-06 | 2020-11-06 | High-speed precise lead screw transmission structure of numerical control lathe with dynamic auxiliary support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213997821U true CN213997821U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022556115.2U Active CN213997821U (en) | 2020-11-06 | 2020-11-06 | High-speed precise lead screw transmission structure of numerical control lathe with dynamic auxiliary support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213997821U (en) |
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2020
- 2020-11-06 CN CN202022556115.2U patent/CN213997821U/en active Active
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