CN219795748U - Cylinder with speed reduction function - Google Patents
Cylinder with speed reduction function Download PDFInfo
- Publication number
- CN219795748U CN219795748U CN202320395432.1U CN202320395432U CN219795748U CN 219795748 U CN219795748 U CN 219795748U CN 202320395432 U CN202320395432 U CN 202320395432U CN 219795748 U CN219795748 U CN 219795748U
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- cylinder
- air inlet
- piston rod
- special
- cylinder shell
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- 230000009467 reduction Effects 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Abstract
The cylinder with the speed reducing function comprises a cylinder shell, wherein a piston rod is arranged in the cylinder shell, a first air inlet and a second air inlet are respectively arranged at the near two ends of the side wall of the cylinder shell, a support is arranged on the outer side of the side wall of the cylinder shell and the second air inlet, and a speed reducing mechanism is connected between the support and the bottom end of the piston rod; the cylinder is inflated to the first air inlet and the second air inlet respectively, so that the piston rod drives the speed reducing mechanism to operate in the bidirectional moving process, the air inlet speed is controlled, the movement speed of the piston rod is further controlled, and the impact on the tail end part is avoided; the utility model has the advantages of simple structure and reliable performance.
Description
Technical Field
The utility model relates to a cylinder, in particular to a cylinder with a speed reducing function.
Background
The fixture is used as a key component for workpiece positioning in automatic production equipment, and the precision and stability of the fixture can influence the processing quality of parts. The cylinder is a common power source for the clamp device due to quick and quick action and low price, and plays an important role in the automatic clamping of the clamp. However, in application and practice, it is found that under the drive of the same pressure air source, the traditional air cylinder is increased along with the increase of the stroke in working, the moving speed is higher and higher, when the tail end of the air cylinder is contacted with a workpiece, the position of the part is changed due to larger impact force, especially the cylindrical part is easy to skew, the clamp can not accurately position the part, and finally the part processing error is caused, and even the part is scrapped.
At present, a direct method adopted for controlling the movement speed of the air cylinder is to adjust an electromagnetic valve for controlling air to enter and exit, and Chinese patent CN213598321U discloses an intelligent double-stroke air cylinder and double-electromagnetic valve combined configuration system, which comprises a double-stroke air cylinder, a first electromagnetic valve, a second electromagnetic valve and an air supply assembly, wherein the upper end of the double-stroke air cylinder is provided with a welding air pressure hole, the lower end of the double-stroke air cylinder is provided with an ascending air pressure hole, and a descending air pressure hole is further arranged between the welding air pressure hole and the ascending air pressure hole; on one hand, the air inlet speed is controlled by adjusting the size of a needle valve switch of the electromagnetic valve, and the air cylinder has acceleration phenomenon in the movement; on the other hand, after the air inflow is adjusted, the average speed of the movement of the cylinder is reduced, and for the automatic production with a faster production rhythm, the technical scheme has a certain limitation, and the distance and the speed of the reciprocating movement are difficult to accurately control.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the air cylinder with the speed reducing function, which is characterized in that the air cylinder is inflated through the first air inlet and the second air inlet, so that the piston rod drives the speed reducing mechanism to operate in the moving process, the air inlet speed is controlled, the movement speed of the piston rod is further controlled, and the impact on the tail end part is avoided; the utility model has the advantages of simple structure and reliable performance.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a cylinder with speed reduction function, includes cylinder shell 1, establishes piston rod 2 in the cylinder shell 1, cylinder shell 1 lateral wall is close both ends and is equipped with first air inlet 7 and second air inlet 8 respectively, and cylinder shell 1 inside wall and second air inlet 8's outside is equipped with support 5, is connected with speed reduction mechanism between support 5 and the piston rod 2 bottom.
The speed reducing mechanism comprises a special-shaped valve 6, one end of the special-shaped valve 6 is rotatably connected with the support 5, the other end of the special-shaped valve 6 is connected with the bottom end of the small cylinder body 4, one end of a connecting rod 3 is movably connected in the small cylinder body 4, and the other end of the connecting rod 3 is rotatably connected with the bottom end of the piston rod 2.
The special-shaped valve 6 comprises a valve seat 6-1, a spherical plug 6-2 is arranged in the middle of the valve seat 6-1, and connecting holes 6-3 are formed in two ends of the valve seat 6-1.
The spherical plug 6-2 is adapted to the second air inlet 8.
Compared with the prior art, the utility model has the following beneficial effects:
1. through the linkage of piston rod 2, connecting rod 3 and special-shaped valve 6 in reducing mechanism, change the air inlet diameter, and then accurate control air inlet speed and air input, effectively control piston rod velocity of movement, the dependable performance has overcome the problem of the distance and the speed of the difficult accurate control reciprocating motion of passing through solenoid valve, needle valve.
2. The speed reducing mechanism does not need to rely on other external speed reducing components and electronic equipment, and has simple pure mechanical structure, easy control and high accuracy.
3. The mechanical structure of the speed reducing mechanism has high reliability, low cost and long service life, and is not easy to damage.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic cross-sectional view of the present utility model.
In the figure: 1. a cylinder housing; 2. a piston rod; 3. a connecting rod; 4. a small cylinder; 5. a support; 6. a special-shaped valve; 6-1, valve seat; 6-2, a spherical plug; 6-3, connecting holes; 7. a first air inlet; 8. and a second air inlet.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, a cylinder with a deceleration function comprises a cylinder shell 1, wherein a piston rod 2 is arranged in the cylinder shell 1, a first air inlet 7 and a second air inlet 8 are respectively arranged at the near two ends of the side wall of the cylinder shell 1, a support 5 is arranged on the outer side of the inner side wall of the cylinder shell 1 and the outer side of the second air inlet 8, and a deceleration mechanism is connected between the support 5 and the bottom end of the piston rod 2.
The speed reducing mechanism comprises a special-shaped valve 6, one end of the special-shaped valve 6 is rotatably connected with the support 5, the other end of the special-shaped valve 6 is connected with the bottom end of the small cylinder body 4, one end of a connecting rod 3 is movably connected in the small cylinder body 4, and the other end of the connecting rod 3 is rotatably connected with the bottom end of the piston rod 2.
The special-shaped valve 6 comprises a valve seat special-shaped valve, a spherical plug 6-2 is arranged in the middle of the valve seat 6-1, connecting holes 6-3 are formed in two ends of the valve seat 6-1, and the connecting holes 6-3 at two ends are respectively connected with the support 5 or the small cylinder 4 through pin shafts.
The spherical plug 6-2 is adapted to the second air inlet 8.
The working principle of the utility model is as follows:
the piston 2 moves forward: the cylinder is inflated through the second air inlet 8, the air pushes the piston rod 2 to move forwards, the piston rod 2 drives the connecting rod 3 to move forwards in the moving process, and the connecting rod 3 drives the small cylinder body 4 to move; the small cylinder body 4 drives the special-shaped valve 6 to rotate clockwise around the support 5; along with the clockwise rotation of the special-shaped valve 6, the spherical plug 6-2 of the special-shaped valve 6 gradually blocks the second air inlet 8 of the cylinder shell 1, so that the reduction of the movement speed of the piston rod 2 is realized, and the impact on the tail end part is avoided.
The piston 2 moves backward: the cylinder is inflated through a first air inlet 7 of the cylinder shell 1, the air pushes the piston rod 2 to move backwards, the piston rod 2 drives the connecting rod 3 to move forwards and backwards in the moving process, and the connecting rod 3 contracts in the small cylinder body 4; the small cylinder body 4 drives the special-shaped valve 6 to rotate anticlockwise around the support 5; with the counterclockwise rotation of the special-shaped valve 6, the spherical plug 6-2 of the special-shaped valve 6 gradually opens the second air inlet 8 of the cylinder housing 1, and the opening of the lower air inlet is realized.
Claims (4)
1. The utility model provides a cylinder with speed reduction function, includes cylinder shell (1), establishes piston rod (2), its characterized in that in cylinder shell (1): the cylinder shell (1) is characterized in that a first air inlet (7) and a second air inlet (8) are respectively arranged at the near two ends of the side wall of the cylinder shell (1), a support (5) is arranged on the inner side wall of the cylinder shell (1) and on the outer side of the second air inlet (8), and a speed reducing mechanism is connected between the support (5) and the bottom end of the piston rod (2).
2. A cylinder with a deceleration function according to claim 1, characterized in that: the speed reducing mechanism comprises a special-shaped valve (6), one end of the special-shaped valve (6) is rotatably connected with the support (5), the other end of the special-shaped valve (6) is connected with the bottom end of the small cylinder body (4), one end of a connecting rod (3) is movably connected in the small cylinder body (4), and the other end of the connecting rod (3) is rotatably connected with the bottom end of the piston rod (2).
3. A cylinder with a deceleration function according to claim 2, characterized in that: the special-shaped valve (6) comprises a valve seat (6-1), a spherical plug (6-2) is arranged in the middle of the valve seat (6-1), and connecting holes (6-3) are formed in two ends of the valve seat (6-1).
4. A cylinder with a deceleration function according to claim 3, characterized in that: the spherical plug (6-2) is matched with the second air inlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395432.1U CN219795748U (en) | 2023-03-06 | 2023-03-06 | Cylinder with speed reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395432.1U CN219795748U (en) | 2023-03-06 | 2023-03-06 | Cylinder with speed reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795748U true CN219795748U (en) | 2023-10-03 |
Family
ID=88178719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320395432.1U Active CN219795748U (en) | 2023-03-06 | 2023-03-06 | Cylinder with speed reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795748U (en) |
-
2023
- 2023-03-06 CN CN202320395432.1U patent/CN219795748U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |