CN215596328U - Novel line rail slip table - Google Patents
Novel line rail slip table Download PDFInfo
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- CN215596328U CN215596328U CN202122374370.XU CN202122374370U CN215596328U CN 215596328 U CN215596328 U CN 215596328U CN 202122374370 U CN202122374370 U CN 202122374370U CN 215596328 U CN215596328 U CN 215596328U
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- spring
- arc
- pressing block
- line rail
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Abstract
The utility model discloses a novel line rail sliding table which comprises a base, wherein a lead screw is arranged above the base, an annular groove is formed in the outer surface of the lead screw, an upper arc-shaped plate and a lower arc-shaped plate are sleeved on the outer surface of the annular groove, the upper surface of the base is fixedly connected with an L-shaped mounting plate, the lower surface of the L-shaped mounting plate is fixedly connected with an upper pressing block through a first air cylinder, and the upper surface of the base is fixedly connected with a lower pressing block through a second air cylinder. When the screw rod supporting device is used, the middle part of the screw rod is supported in an auxiliary mode through the arrangement of the upper arc-shaped plate and the lower arc-shaped plate, the supporting strength of the screw rod is increased, the screw rod is supported in a two-way mode, deformation of the screw rod when stress is uneven is avoided, impact force of the auxiliary support on the screw rod is effectively buffered through the arrangement of the first spring, the second spring, the third spring, the fourth spring and the rubber pad, and the service life of the screw rod is prolonged.
Description
Technical Field
The utility model relates to the technical field of line rail sliding tables, in particular to a novel line rail sliding table.
Background
The working principle of the linear rail sliding table and the linear guide rail sliding table is that a servo motor is generally adopted to drive a lead screw to rotate, so that a ball nut which is connected with the surface of the lead screw in a threaded mode is driven to move, and a working table fixed above the ball nut is driven to move.
The lead screw of current line rail slip table is for not influencing the removal of the ball nut of threaded connection above that, it supports only to set up at its both ends usually, the lead screw supports intensity inadequately, thereby it influences the life-span of lead screw to rotate the in-process and produce the vibration, some line rail slip tables drive cam follower etc. through elevating gear and support the surface of lead screw, elevating gear drives cam follower decline when ball nut is close to and dodges ball nut, when ball nut keeps away from, elevating gear drives cam follower and rises and supports the middle part of lead screw, this kind of mode, cam follower is one-way to the lead screw to supporting force, the holding power can lead to the lead screw upwards skew excessively, reduce the transmission precision of lead screw, and cam follower reciprocates and assaults the surface of lead screw repeatedly, lead to the screw thread damage of lead screw surface, influence ball nut's removal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a novel line rail sliding table.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a novel line rail slip table, the on-line screen storage device comprises a base, the top of base is equipped with the lead screw, the surface of lead screw is equipped with the ring channel, the surface cover of ring channel is equipped with arc and lower arc, it inlays and is equipped with the ball to go up the equidistant ball that inlays of inner wall of arc and lower arc, the bottom surface of going up the arc is equipped with first recess, the second recess is located to the upper surface of arc down, be equipped with the slide bar in first recess and the second recess, the last fixed surface of base is connected with L type mounting panel, the first cylinder of lower fixed surface of L type mounting panel is connected with, the briquetting is gone up to the output fixedly connected with of first cylinder, the last fixed surface of base even with the second cylinder, the briquetting under the output fixedly connected with of second cylinder.
Further, the upper surface of base is close to both ends department fixedly connected with mount pad and bearing frame respectively, the both ends of lead screw rotate with mount pad and bearing frame respectively and are connected, one side fixedly connected with motor of mount pad, just the output and the lead screw fixed connection of motor.
Furthermore, the outer surface of the output shaft of the first cylinder is sleeved with a first spring, and two ends of the first spring are fixedly connected with the upper surface of the first cylinder and the upper pressing block respectively.
Furthermore, the outer surface of the output shaft of the second cylinder is sleeved with a second spring, and two ends of the second spring are fixedly connected with the lower surfaces of the second cylinder and the lower pressing block respectively.
Furthermore, the lower surface of the upper pressing block and the upper surface of the lower pressing block are both arc-shaped, and the lower surface of the upper pressing block and the upper surface of the lower pressing block are both fixedly connected with rubber pads.
Furthermore, the length of the annular groove is smaller than that of a nut connected to the lead screw, a circle of arc-shaped surface is arranged on the bottom surface of the annular groove, and the arc-shaped surface is matched with the ball.
Furthermore, the upper surface of the inner wall of the first groove is fixedly connected with a third spring, and the other end of the third spring is fixedly connected with the upper surface of the sliding rod.
Furthermore, the bottom surface of the inner wall of the second groove is fixedly connected with a fourth spring, and the other end of the fourth spring is fixedly connected with the bottom surface of the sliding rod.
Furthermore, the sliding rod is respectively connected with the first groove and the second groove in a sliding manner.
Further, the maximum distance between the upper arc-shaped plate and the lower arc-shaped plate is smaller than the bottom diameter of the threads on the screw rod.
The utility model has the beneficial effects that:
when the screw rod is used, the middle part of the screw rod is supported in an auxiliary mode through the arrangement of the upper arc-shaped plate and the lower arc-shaped plate, the supporting strength of the screw rod is increased, the screw rod is supported in a two-way mode, deformation of the screw rod when stress is uneven is avoided, impact force of the auxiliary support on the screw rod is effectively buffered through the arrangement of the first spring, the second spring, the third spring, the fourth spring and the rubber pad, and the service life of the screw rod is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view of B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of C of FIG. 3 in accordance with the present invention;
fig. 5 is a schematic view of a connection structure of the upper arc plate and the lower arc plate in a non-compression state according to the present invention.
Illustration of the drawings:
1. a base; 2. a motor; 3. a mounting seat; 4. a lead screw; 5. a bearing seat; 6. a first cylinder; 7. a first spring; 8. an L-shaped mounting plate; 9. a second cylinder; 10. a second spring; 11. pressing the blocks; 12. a rubber pad; 13. an annular groove; 14. an arc-shaped surface; 15. a ball bearing; 16. an upper arc plate; 17. pressing the block; 18. a lower arc-shaped plate; 19. a third spring; 20. a first groove; 21. a slide bar; 22. a second groove; 23. and a fourth spring.
Detailed Description
Fig. 1 to 5 show, relate to a novel line rail slip table, including base 1, base 1's top is equipped with lead screw 4, lead screw 4's surface is equipped with ring channel 13, ring channel 13's surface cover is equipped with arc 16 and lower arc 18, it inlays on the inner wall of arc 16 and lower arc 18 equidistantly and is equipped with ball 15, the bottom surface of going up arc 16 is equipped with first recess 20, second recess 22 is located to the upper surface of lower arc 18, be equipped with slide bar 21 in first recess 20 and the second recess 22, base 1's last fixed surface is connected with L type mounting panel 8, L type mounting panel 8's lower fixed surface is connected with first cylinder 6, briquetting 11 on first cylinder 6's the output fixedly connected with, base 1's last fixed surface even with second cylinder 9, briquetting 17 under second cylinder 9's the output fixedly connected with.
When the novel linear rail sliding table is used, as shown in figure 1 in an initial state, an upper pressing block 11 is pressed on the upper surface of an upper arc-shaped plate 16, the upper arc-shaped plate 16 is contacted with an arc-shaped surface 14 of an annular groove 13 through a ball 15, a lower pressing block 17 is pressed on the outer surface of a lower arc-shaped plate 18, the lower arc-shaped plate 18 is contacted with the arc-shaped surface 14 of the annular groove 13 through the ball 15, a starting motor 2 drives a lead screw 4 to rotate, the lead screw 4 is rotationally connected with the upper arc-shaped plate 16 and the lower arc-shaped plate 18 through the ball 15, the lead screw 4 drives a nut to move, when the nut is close to the annular groove 13, a first air cylinder 6 is started to drive the upper pressing block 11 to move upwards, a second air cylinder 9 drives the lower pressing block 17 to move downwards, the upper arc-shaped plate 16 and the lower arc-shaped plate 18 are far away from each other under the action of a third spring 19 and a fourth spring 23 (at the moment, the maximum distance between the outer surfaces of the upper arc-shaped plate 16 and the lower arc-shaped plate 18 is smaller than the minimum diameter of a thread), after the nut moves and crosses ring channel 13, restart first cylinder 6 and second cylinder 9 and make briquetting 11 drive and go up arc 16 and compress tightly on ring channel 13, lower briquetting 17 drives down arc 18 and compresses tightly on ring channel 13, compress tightly the in-process, first spring 7, second spring 10, third spring 19, fourth spring 23 and rubber pad 12 all play the cushioning effect, reduce and compress tightly the in-process and to the impact of lead screw 4, improve the life-span of lead screw 4, and have certain practicality.
In the further scheme, the upper surface of base 1 is close to both ends department fixedly connected with mount pad 3 and bearing frame 5 respectively, and lead screw 4's both ends rotate with mount pad 3 and bearing frame 5 respectively and are connected, one side fixedly connected with motor 2 of mount pad 3, and motor 2's output and lead screw 4 fixed connection install lead screw 4 through mount pad 3 and bearing frame 5, and motor 2 drives lead screw 4 and rotates.
In a further scheme, a first spring 7 is sleeved on the outer surface of an output shaft of the first cylinder 6, two ends of the first spring 7 are fixedly connected with the upper surfaces of the first cylinder 6 and the upper pressing block 11 respectively, and the first spring 7 buffers the impact force generated when the upper pressing block 11 is pressed on the surface of the upper arc-shaped plate 16. .
In a further scheme, a second spring 10 is sleeved on the outer surface of an output shaft of the second cylinder 9, two ends of the second spring 10 are fixedly connected with the lower surfaces of the second cylinder 9 and the lower pressing block 17 respectively, and the second spring 10 buffers the impact force generated when the lower pressing block 17 is pressed on the surface of the lower arc-shaped plate 18.
In a further scheme, the lower surface of the upper pressing block 11 and the upper surface of the lower pressing block 17 are both set to be arc-shaped, the contact area between the upper pressing block 11 and the upper arc-shaped plate 16 and the contact area between the lower pressing block 17 and the lower arc-shaped plate 18 are increased, the lower surface of the upper pressing block 11 and the upper surface of the lower pressing block 17 are both fixedly connected with the rubber pad 12, and the rubber pad 12 plays a role in buffering.
In a further scheme, the length of the annular groove 13 is smaller than that of a nut connected to the lead screw 4, the movement of the nut is not affected by the arrangement of the annular groove 13, a circle of arc-shaped surface 14 is arranged on the bottom surface of the annular groove 13, the arc-shaped surface 14 is matched with the ball 15, and the contact area between the ball 15 and the annular groove 13 is increased.
In a further scheme, a third spring 19 is fixedly connected to the upper surface of the inner wall of the first groove 20, the other end of the third spring 19 is fixedly connected to the upper surface of the sliding rod 21, and the third spring 19 buffers the impact force generated when the upper arc-shaped plate 16 contacts the annular groove 13.
In a further scheme, a fourth spring 23 is fixedly connected to the bottom surface of the inner wall of the second groove 22, the other end of the fourth spring 23 is fixedly connected to the bottom surface of the slide rod 21, and the fourth spring 23 buffers the impact force generated when the lower arc-shaped plate 18 contacts the annular groove 13.
In a further embodiment, the sliding rod 21 is slidably connected to the first groove 20 and the second groove 22, respectively, to limit the moving direction of the upper arc plate 16 and the lower arc plate 18.
In a further scheme, the maximum distance between the upper arc-shaped plate 16 and the lower arc-shaped plate 18 is smaller than the bottom diameter of the threads on the screw rod 4, and when the nut matched with the screw rod 4 moves, the upper arc-shaped plate 16 and the lower arc-shaped plate 18 do not interfere with the nut.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a novel line rail slip table, includes base (1), its characterized in that: the lead screw is characterized in that a lead screw (4) is arranged above the base (1), an annular groove (13) is arranged on the outer surface of the lead screw (4), an upper arc plate (16) and a lower arc plate (18) are sleeved on the outer surface of the annular groove (13), balls (15) are embedded on the inner walls of the upper arc plate (16) and the lower arc plate (18) at equal intervals, a first groove (20) is arranged on the bottom surface of the upper arc plate (16), a second groove (22) is arranged on the upper surface of the lower arc plate (18), slide bars (21) are arranged in the first groove (20) and the second groove (22), an L-shaped mounting plate (8) is fixedly connected to the upper surface of the base (1), a first air cylinder (6) is fixedly connected to the lower surface of the L-shaped mounting plate (8), an upper pressing block (11) is fixedly connected to the output end of the first air cylinder (6), and a second air cylinder (9) is fixedly connected to the upper surface of the base (1), the output end of the second air cylinder (9) is fixedly connected with a lower pressing block (17).
2. The novel line rail sliding table of claim 1, wherein: the upper surface of base (1) is close to both ends department fixedly connected with mount pad (3) and bearing frame (5) respectively, the both ends of lead screw (4) rotate with mount pad (3) and bearing frame (5) respectively and are connected, one side fixedly connected with motor (2) of mount pad (3), just the output and lead screw (4) fixed connection of motor (2).
3. The novel line rail sliding table of claim 1, wherein: the outer surface of the output shaft of the first cylinder (6) is sleeved with a first spring (7), and two ends of the first spring (7) are fixedly connected with the upper surfaces of the first cylinder (6) and the upper pressing block (11) respectively.
4. The novel line rail sliding table of claim 1, wherein: the outer surface of the output shaft of the second cylinder (9) is sleeved with a second spring (10), and two ends of the second spring (10) are fixedly connected with the lower surfaces of the second cylinder (9) and the lower pressing block (17) respectively.
5. The novel line rail sliding table of claim 1, wherein: the lower surface of the upper pressing block (11) and the upper surface of the lower pressing block (17) are both arc-shaped, and the lower surface of the upper pressing block (11) and the upper surface of the lower pressing block (17) are both fixedly connected with a rubber pad (12).
6. The novel line rail sliding table of claim 1, wherein: the length of the annular groove (13) is smaller than the length of a nut connected to the lead screw (4), a circle of arc-shaped surface (14) is arranged on the bottom surface of the annular groove (13), and the arc-shaped surface (14) is matched with the ball (15).
7. The novel line rail sliding table of claim 1, wherein: and the upper surface of the inner wall of the first groove (20) is fixedly connected with a third spring (19), and the other end of the third spring (19) is fixedly connected with the upper surface of the sliding rod (21).
8. The novel line rail sliding table of claim 1, wherein: the bottom surface of the inner wall of the second groove (22) is fixedly connected with a fourth spring (23), and the other end of the fourth spring (23) is fixedly connected with the bottom surface of the sliding rod (21).
9. The novel line rail sliding table of claim 1, wherein: the sliding rod (21) is respectively connected with the first groove (20) and the second groove (22) in a sliding mode.
10. The novel line rail sliding table of claim 1, wherein: the maximum distance between the upper arc-shaped plate (16) and the lower arc-shaped plate (18) is smaller than the bottom diameter of the thread on the screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374370.XU CN215596328U (en) | 2021-09-28 | 2021-09-28 | Novel line rail slip table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374370.XU CN215596328U (en) | 2021-09-28 | 2021-09-28 | Novel line rail slip table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596328U true CN215596328U (en) | 2022-01-21 |
Family
ID=79870331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122374370.XU Active CN215596328U (en) | 2021-09-28 | 2021-09-28 | Novel line rail slip table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596328U (en) |
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2021
- 2021-09-28 CN CN202122374370.XU patent/CN215596328U/en active Active
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