CN210818628U - Long ball screw auxiliary supporting device of numerical control machine tool - Google Patents
Long ball screw auxiliary supporting device of numerical control machine tool Download PDFInfo
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- CN210818628U CN210818628U CN201920994878.XU CN201920994878U CN210818628U CN 210818628 U CN210818628 U CN 210818628U CN 201920994878 U CN201920994878 U CN 201920994878U CN 210818628 U CN210818628 U CN 210818628U
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Abstract
The utility model discloses a long ball screw auxiliary stay device of digit control machine tool, including base plate and bottom plate, the upper end lateral wall fixedly connected with telescopic link of base plate, the first arc of telescopic link's flexible end fixedly connected with, two recesses have been seted up to the upper end lateral wall of base plate, two the recess uses the telescopic link as central symmetry, the diapire of recess passes through reset spring fixedly connected with movable rod, the lateral wall of movable rod and the lateral wall sliding connection of recess, the movable rod runs through opening and the fixedly connected with second arc of recess, is located outside the recess the lateral wall of movable rod rotates and is connected with the swinging arms, the upper end lateral wall sliding connection of base plate has two sliders. The utility model discloses utilize the cooperation of telescopic link, swinging arms, slider, bracing piece and reset spring etc. to make the second arc play the cushioning effect to rocking of ball, make first arc play good supporting role to ball simultaneously.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a long ball screw auxiliary stay device of digit control machine tool.
Background
The numerically controlled lathe is one of the widely used numerically controlled machines at present. The numerical control machine tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylinders, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.
In the prior art, when a numerically controlled lathe is used for machining, the ball screw needs to be supported due to the fact that the ball screw is long, stable machining is guaranteed, but the ball screw is still easy to damage when the ball screw shakes, and the machining is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the ball screw is still easy to be damaged when shaking in the prior art, influences the processing process, and the long ball screw auxiliary supporting device of the numerical control machine tool is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a long ball screw auxiliary supporting device of a numerical control machine tool comprises a base plate and a bottom plate, wherein a telescopic rod is fixedly connected to the side wall of the upper end of the base plate, a first arc-shaped plate is fixedly connected to the telescopic end of the telescopic rod, two grooves are formed in the side wall of the upper end of the base plate and are centrally symmetrical with each other by taking the telescopic rod as a center, a movable rod is fixedly connected to the bottom wall of each groove through a reset spring, the side wall of each movable rod is slidably connected with the side wall of each groove, each movable rod penetrates through an opening of each groove and is fixedly connected with a second arc-shaped plate, the side wall of each movable rod, which is positioned outside each groove, is rotatably connected with a swinging rod, two sliding blocks are slidably connected to the side wall of the upper end of the base plate and are centrally symmetrical by taking the telescopic rod as a center, one end of the support rod, which is far away from the sliding block, is rotatably connected with the side wall of the first arc-shaped plate.
Preferably, the positive and negative motor of upper end lateral wall fixedly connected with of bottom plate, the upper end lateral wall fixedly connected with fixed plate of bottom plate, the lateral wall of fixed plate rotates the threaded rod that is connected with the output shaft matching with positive and negative motor, threaded sleeve is equipped with the movable block on the threaded rod, the upper end lateral wall of movable block rotates and is connected with the connecting rod, the upper end lateral wall of bottom plate rotates through the pivot and is connected with the cam, the one end that the movable block was kept away from to the connecting rod is connected with the lateral wall rotation that the centre of a circle was kept away from to the cam, the upper end lateral wall of cam.
Preferably, a plurality of gag lever posts of the lower extreme lateral wall fixedly connected with of base plate, it is a plurality of the gag lever post all runs through the bottom plate, the cover is equipped with extension spring on the gag lever post, extension spring's both ends respectively with the upper end lateral wall of bottom plate and the lower extreme lateral wall fixed connection of base plate.
Preferably, the cam rotates around the rotating shaft, and the rotation range of the cam is 0-90 degrees.
Preferably, the first arc-shaped plate and the second arc-shaped plate have the same horizontal height.
Preferably, a protective cover is arranged on the positive and negative motors.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the ball screw is supported through the first arc-shaped plate and the second arc-shaped plate, when the ball screw is acted and shaken, the ball screw is abutted against the second arc-shaped plate, the second arc-shaped plate is abutted against the movable rod and descends to compress the reset spring, so that the ball screw is supported, and meanwhile, the swinging rod, the sliding block and the supporting rod are driven to move, so that the first arc-shaped plate ascends, the ball screw is further supported, the ball screw is ensured to be well supported, a certain buffering effect is achieved, and the shaking of the ball screw is reduced;
2. thereby drive the threaded rod through positive and negative motor and rotate and make the movable block lateral shifting, the movable block can drive the connecting rod swing and make the cam rotate, and the cam rotates and to make the base plate go up and down to adjust the level of first arc and second arc, in order to make things convenient for not ball of co-altitude to use, in addition, make splint can vertical lift and can not swing through the gag lever post.
Drawings
Fig. 1 is a schematic structural view of a long ball screw auxiliary supporting device of a numerical control machine tool provided by the present invention;
fig. 2 is a schematic structural diagram at a in fig. 1.
In the figure: the device comprises a base plate 1, a bottom plate 2, a telescopic rod 3, a reset spring 4, a movable rod 5, a second arc-shaped plate 6, a swinging rod 7, a sliding block 8, a supporting rod 9, a positive and negative motor 10, a fixed plate 11, a threaded rod 12, a movable block 13, a connecting rod 14, a cam 15, a limiting rod 16, an extension spring 17 and a first arc-shaped plate 18.
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.
Referring to fig. 1-2, a long ball screw auxiliary supporting device of a numerical control machine tool comprises a substrate 1 and a bottom plate 2, wherein a plurality of limiting rods 16 are fixedly connected to the side wall of the lower end of the substrate 1, the limiting rods 16 all penetrate through the bottom plate 2, an extension spring 17 is sleeved on each limiting rod 16, two ends of each extension spring 17 are respectively fixedly connected with the side wall of the upper end of the bottom plate 2 and the side wall of the lower end of the substrate 1, the substrate 1 is driven to descend by a deformation force generated by the extension of the extension spring 17, so that the substrate 1 can be driven to descend when a cam 15 rotates, a clamping plate can vertically ascend and descend by the limiting rods 16 without swinging, a positive and negative motor 10 is fixedly connected to the side wall of the upper end of the bottom plate 2, a protective cover is arranged on the positive and negative motor 10 to;
the upper end side wall of the bottom plate 2 is fixedly connected with a fixed plate 11, the side wall of the fixed plate 11 is rotatably connected with a threaded rod 12 matched with an output shaft of a positive and negative motor 10, a movable block 13 is sleeved on the threaded rod 12 in a threaded manner, the upper end side wall of the movable block 13 is rotatably connected with a connecting rod 14, the upper end side wall of the bottom plate 2 is rotatably connected with a cam 15 through a rotating shaft, the cam 15 rotates by taking the rotating shaft as an axis, the rotating range of the cam 15 is 0-90 degrees, the base plate 1 is supported and adjusted in height through the rotation of the cam 15 to adapt to rolling ball screw rods with different heights, one end of the connecting rod 14, far away from the movable block 13, is rotatably connected with the side wall of the cam 15, far away from the center of a circle, the upper end side wall of the cam 15 abuts against the lower end side wall of the base plate, the two grooves are symmetrical by taking the telescopic rod 3 as a center;
the diapire of recess passes through reset spring 4 fixedly connected with movable rod 5, the lateral wall sliding connection of the lateral wall of movable rod 5 and recess, movable rod 5 runs through the opening and the fixedly connected with second arc 6 of recess, first arc 18 is the same with the level of second arc 6, can play good supporting effect to ball like this, the lateral wall of the movable rod 5 that is located outside the recess rotates and is connected with swinging arms 7, the upper end lateral wall sliding connection of base plate 1 has two sliders 8, two sliders 8 use telescopic link 3 as central symmetry, the one end that movable rod 5 was kept away from to swinging arms 7 rotates with the lateral wall of slider 8 to be connected, the lateral wall that swinging arms 7 was kept away from to slider 8 rotates and is connected with bracing piece 9, the one end that slider 8 was kept away from to bracing piece 9 rotates with the lateral wall of first arc 18 to be connected.
When the utility model supports the ball screw, the positive and negative motors 10 drive the threaded rod 12 to rotate, the threaded rod 12 drives the movable block 13 to move transversely, the movable block 13 drives one end of the connecting rod 14 to move, the other end of the connecting rod 14 drives the cam 15 to rotate, the cam 15 pushes against the base plate 1 when rotating, the rebound force of the tension spring 17 drives the base plate 1 to descend, thus the horizontal heights of the base plate 1, the first arc-shaped plate 18 and the second arc-shaped plate 6 are adjusted to adapt to the ball screws with different heights, when the base plate 1 is lifted, the first arc-shaped plate 18 and the second arc-shaped plate 6 support the ball screw at the same time, and when the ball screw rotates, the long ball screw is far away from the two ends due to the gravity center distance after being used for a long time, the central part can be deformed, so that the ball screw can press the second arc-shaped plate 6 or the first arc-shaped plate 18 downwards when, second arc 6 pushes down movable rod 5 and reset spring 4, reset spring 4 plays the supporting role to second arc 6, and movable rod 5 descends and drives the swing arm 7 swing, swing arm 7 supports slider 8 and removes and supports the swing of bracing piece 9, bracing piece 9 supports first arc 18, and first arc 18 can not rise by the restriction that receives ball, thereby first arc 18 just can make ball can not take place deformation for an ascending power messenger ball of ball, and rotate under the balanced state of a atress, thereby can play good supporting role to ball, and alleviate the deformation that produces because of the ball atress is uneven, simple structure can be fine through the spring simultaneously, therefore, the clothes hanger is strong in practicability.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The long ball screw auxiliary supporting device of the numerical control machine tool comprises a base plate (1) and a bottom plate (2) and is characterized in that an upper end side wall of the base plate (1) is fixedly connected with a telescopic rod (3), the telescopic end of the telescopic rod (3) is fixedly connected with a first arc-shaped plate (18), the upper end side wall of the base plate (1) is provided with two grooves, the two grooves are symmetrical by taking the telescopic rod (3) as a center, the bottom wall of each groove is fixedly connected with a movable rod (5) through a reset spring (4), the side wall of each movable rod (5) is in sliding connection with the side wall of each groove, each movable rod (5) penetrates through an opening of each groove and is fixedly connected with a second arc-shaped plate (6), the side wall of each movable rod (5) located outside each groove is rotatably connected with a swinging rod (7), and the upper end side wall of the, two slider (8) use telescopic link (3) as central symmetry, the one end that movable rod (5) were kept away from in swinging arms (7) rotates with the lateral wall of slider (8) to be connected, the lateral wall that swinging arms (7) were kept away from in slider (8) rotates and is connected with bracing piece (9), the lateral wall that the one end of slider (8) was kept away from in bracing piece (9) rotates with first arc (18) rotates and is connected.
2. The long ball screw auxiliary supporting device of numerical control machine tool according to claim 1, the upper end side wall of the bottom plate (2) is fixedly connected with a positive and negative motor (10), the upper end side wall of the bottom plate (2) is fixedly connected with a fixed plate (11), the side wall of the fixed plate (11) is rotationally connected with a threaded rod (12) matched with the output shaft of the positive and negative motor (10), a movable block (13) is sleeved on the threaded rod (12) in a threaded manner, the side wall of the upper end of the movable block (13) is rotatably connected with a connecting rod (14), the side wall of the upper end of the bottom plate (2) is rotationally connected with a cam (15) through a rotating shaft, one end of the connecting rod (14) far away from the movable block (13) is rotationally connected with the side wall of the cam (15) far away from the circle center, the upper end side wall of the cam (15) is abutted against the lower end side wall of the base plate (1).
3. The long ball screw auxiliary supporting device of the numerical control machine tool according to claim 1, wherein a plurality of limiting rods (16) are fixedly connected to the lower end side wall of the base plate (1), the limiting rods (16) all penetrate through the base plate (2), an extension spring (17) is sleeved on each limiting rod (16), and two ends of each extension spring (17) are respectively and fixedly connected with the upper end side wall of the base plate (2) and the lower end side wall of the base plate (1).
4. The long ball screw auxiliary supporting device of the numerical control machine tool according to claim 2, characterized in that the cam (15) rotates around the rotating shaft as an axis, and the rotating range of the cam (15) is 0-90 °.
5. The long ball screw auxiliary supporting device of the numerical control machine tool as claimed in claim 1, characterized in that the horizontal heights of the first arc-shaped plate (18) and the second arc-shaped plate (6) are the same.
6. The long ball screw auxiliary supporting device of the numerical control machine tool as claimed in claim 2, characterized in that a protective cover is arranged on the positive and negative motor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994878.XU CN210818628U (en) | 2019-06-28 | 2019-06-28 | Long ball screw auxiliary supporting device of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994878.XU CN210818628U (en) | 2019-06-28 | 2019-06-28 | Long ball screw auxiliary supporting device of numerical control machine tool |
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| CN210818628U true CN210818628U (en) | 2020-06-23 |
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| CN201920994878.XU Active CN210818628U (en) | 2019-06-28 | 2019-06-28 | Long ball screw auxiliary supporting device of numerical control machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090743A (en) * | 2020-09-26 | 2020-12-18 | 东莞市新泰粮食有限公司 | Screening system for rice processing |
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2019
- 2019-06-28 CN CN201920994878.XU patent/CN210818628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090743A (en) * | 2020-09-26 | 2020-12-18 | 东莞市新泰粮食有限公司 | Screening system for rice processing |
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