Clamping air cylinder with self-cleaning function
By designing a clamping cylinder with a self-cleaning function, the internal self-cleaning of the cylinder is achieved through the cooperation of the main housing, inner housing, piston head, piston rod and one-way air inlet connector, which solves the problem of jamming and failure of the clamping cylinder caused by particulate matter and dust.
Patent Information
- Application Number
- CN202520667956.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-09
AI Technical Summary
In processing scenarios with a high amount of metal dust and metal particles, clamping cylinders are prone to jamming or failure due to particles and dust entering the cylinder.
Design a clamping cylinder with self-cleaning function. Through the cooperation of the main shell, inner shell, piston head, piston rod and one-way air inlet connector, the one-way air inlet connector allows one-way air to pass through the lower air chamber. The lifting and lowering action of the piston rod drives the gas to discharge particulate matter and metal dust along the first air passage and the third air passage, thus achieving self-cleaning.
It effectively avoids the adverse effects of particulate matter and metal dust on the cylinder, achieves a self-cleaning function, and prevents jamming and failure.
Smart Images
Figure CN223952960U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of air cylinder especially to a clamping air cylinder with self-cleaning function. BACKGROUND
[0002] In the use scene of the clamping air cylinder, there are some processing scenes with more metal dust and metal particles. In these processing scenes, particulate matter and metal dust are more likely to be brought into the air cylinder from the air cylinder piston rod part, causing the air cylinder to jam in use, and even failure. UTILITY MODEL CONTENTS
[0003] The utility model discloses a clamping air cylinder with self-cleaning function.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A clamping air cylinder with self-cleaning function, comprising a main shell, an inner shell and a one-way air inlet joint, the main shell forms an inner cavity in the center, the inner cavity is installed with the inner shell at the upper part, and the lower part of the inner cavity forms a lower air cavity below the inner shell, the inner shell forms a through cavity in the center, and the outer diameter of the upper end of the inner shell matches the inner diameter of the upper part of the inner cavity, the lower end of the inner shell penetrates into the lower part of the inner cavity, and the outer diameter of the lower end of the inner shell is smaller than the inner diameter of the lower part of the inner cavity, so that the outer wall of the lower end of the inner shell and the inner wall of the lower part of the inner cavity form an upper air cavity.
[0006] The wall thickness layer of the inner shell is provided with a cleaning gas channel communicated from the outer wall of the upper end to the top cavity opening of the through cavity.
[0007] The wall thickness layer of the main shell is provided with a first gas channel communicated with the bottom of the lower air cavity, a second gas channel communicated with the upper air cavity and a third gas channel communicated with the first gas channel and the cleaning gas channel, and the one-way air inlet joint can be installed on the inner shell through the first gas channel for one-way ventilation of the lower air cavity.
[0008] As a further technical scheme of the utility model, the cleaning gas channel forms an air vent annular groove recessed on the outer wall of the upper end of the inner shell and a gas channel section communicated from the air vent annular groove to the top cavity opening of the through cavity, so as to facilitate the air vent annular groove to receive the gas output from the third gas channel.
[0009] As a further technical scheme of the utility model, the inner cavity is wide at the upper part and narrow at the lower part, and the main shell is installed with a plurality of fixing bolts connected with the inner shell at the upper end, so as to fix the inner shell in the inner cavity.
[0010] As a further technical scheme of the utility model, the through cavity is narrow at the upper part and wide at the lower part.
[0011] As a further technical scheme of the utility model: the clamping pneumatic cylinder with self-cleaning function, including piston head and piston rod body, the piston head can be set in the lower air cavity, the outer periphery of piston head is equipped with the sealing ring that is opposite with the inner wall of lower part of inner chamber, the piston rod body can be set in the through cavity, the spring piece is equipped with in the middle section of piston rod body, the bottom of piston rod body is connected with piston head, along with the piston head ascending in the lower air cavity, the top of piston rod body can be externally worn from the top cavity of through cavity.
[0012] Compared with the prior art, the utility model has the advantages that: the utility model discloses a kind of clamping pneumatic cylinder with self-cleaning function, through the cooperation between main casing, inner casing, piston head, piston rod body and one-way air inlet connector, one-way air inlet connector is one-way ventilation to lower air cavity, along with the lifting action of piston rod body, gas in lower air cavity is sequentially along first air passage and third air passage, is discharged externally from the top cavity mouth of through cavity, particle and metal dust are blown away, realize self-cleaning function, avoid the adverse effect caused by particle and metal dust. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the schematic diagram of the clamping pneumatic cylinder with self-cleaning function.
[0014] Figure 2 It is Figure 1 A-A section view of.
[0015] Figure 3 It is Figure 1 B-B section view of.
[0016] Figure 4 It is the schematic diagram of inner casing. DETAILED DESCRIPTION
[0017] The specific embodiment of the utility model is explained in detail in combination with the drawings. It should be understood that the specific embodiment described here is only used to illustrate and explain the utility model, and is not used to limit the protection scope of the utility model.
[0018] Please refer to Figure 1 , Figure 2 And Figure 3The utility model provides a clamping pneumatic cylinder with self-cleaning function, including main casing 10, inner casing 20, piston head 30, piston rod body 40 and one-way air inlet joint 50, the main casing 10 is formed with the inner cavity 11 of upper wide lower narrow in the center, the inner cavity 11 is installed with the inner casing 20 in the upper portion, and the lower portion of inner cavity 11 forms lower air cavity 101 below the inner casing 20, the inner casing 20 is formed with the through cavity 21 of upper narrow lower wide in the center, and the outer diameter of the upper end of inner casing 20 matches the inner diameter of the upper portion of inner cavity 11, and the lower end of inner casing 20 penetrates into the lower portion of inner cavity 11, and the outer diameter of the lower end of inner casing 20 is less than the inner diameter of the lower portion of inner cavity 11, so that the outer wall of the lower end of inner casing 20 and the inner wall of the lower portion of inner cavity 11 form upper air cavity 102,
[0019] The wall thickness layer of the inner casing 20 is provided with a cleaning air channel 22 communicated from the outer wall of the upper end to the top cavity opening of the through cavity 21;
[0020] The wall thickness layer of the main casing 10 is provided with a first air channel 12 communicated with the bottom of the lower air cavity 101, a second air channel 13 communicated with the upper air cavity 102 and a third air channel 14 communicated the first air channel 12 with the cleaning air channel 22, and the main casing 10 is provided with a first screw hole 121 communicated with the first air channel 12 and a second screw hole 131 communicated with the second air channel 13 on the outer wall, and the one-way air inlet joint 50 can be installed on the first screw hole 121 to realize one-way ventilation of the lower air cavity 101 through the first air channel 12;
[0021] The piston head 30 is arranged in the lower air cavity 101 and can be lifted and lowered, and the outer periphery of the piston head 30 is provided with a sealing ring 31 abutting against the inner wall of the lower portion of the inner cavity 11, the piston rod body 40 is arranged in the through cavity 21 and can be lifted and lowered, a spring member 41 is sleeved on the middle segment of the piston rod body 40, the bottom of the piston rod body 40 is connected with the piston head 30 and can be lifted along with the piston head 30 in the lower air cavity 101, and the top of the piston rod body 40 can be penetrated out of the through cavity 21.
[0022] Further, in the embodiment, the main casing 10 is provided with a plurality of fixing bolts 103 connected with the inner casing 20 at the upper end, so as to fix the inner casing 20 in the inner cavity 11.
[0023] Further, in the embodiment, in combination with the description of the accompanying drawings, Figure 4 The cleaning air channel 22 is formed with a ventilation annular groove 221 recessed on the outer wall of the upper end of the inner casing 20 and an air channel section 222 communicated from the ventilation annular groove 221 to the top cavity opening of the through cavity 21, so as to receive the gas output from the third air channel 14 through the ventilation annular groove 221.
[0024] It can be understood that the self-cleaning method of the clamping air cylinder with the self-cleaning function is as follows: when the one-way air inlet joint 50 unidirectionally ventilates the lower air cavity 101 through the first air channel 12, the gas pushes the piston head 30 to ascend in the lower air cavity 101, the top of the piston rod body 40 is externally penetrated from the through cavity 21, the ascending action of the piston rod body 40 is completed, and when the piston rod body 40 is converted from the ascending action to the descending action, the second air channel 13 ventilates the upper air cavity 102 in cooperation with the elastic force of the spring member 41, the gas pushes the piston head 30 to descend in the lower air cavity 101, and the gas in the lower air cavity 101 is sequentially discharged from the top cavity opening of the through cavity 21 along the first air channel 12 and the third air channel 14, the particulate matters and metal dust are blown away, and the self-cleaning function is realized.
[0025] In conclusion, the clamping air cylinder with the self-cleaning function is realized by cooperation between the main shell 10, the inner shell 20, the piston head 30, the piston rod body 40 and the one-way air inlet joint 50, the one-way air inlet joint 50 unidirectionally ventilates the lower air cavity 101, the gas in the lower air cavity 101 is sequentially discharged from the top cavity opening of the through cavity 21 along the first air channel 12 and the third air channel 14 with the ascending and descending actions of the piston rod body 40, the particulate matters and metal dust are blown away, the self-cleaning function is realized, and the adverse effects of the particulate matters and metal dust are avoided.
[0026] As long as the various different embodiments of the utility model are combined without violating the creative idea of the utility model, the combination should be regarded as the disclosed content of the utility model; within the technical concept of the utility model, the simple modification of the technical scheme and the arbitrary combination of different embodiments without violating the creative idea of the utility model should be within the protection scope of the utility model.
Claims
1. A clamping cylinder with self-cleaning function, characterized in that: The utility model provides a kind of air cleaner, including main shell (10), inner shell (20) and one-way air inlet joint (50);The main shell (10) is formed with inner cavity (11) in center, inner cavity (11) is installed with the inner shell (20) in upper portion, and lower portion of inner cavity (11) is formed with lower air cavity (101) below inner shell (20);The inner shell (20) is formed with through cavity (21) in center, and the outer diameter of the upper end of inner shell (20) matches the inner diameter of the upper portion of inner cavity (11), the lower end of inner shell (20) penetrates into the lower portion of inner cavity (11), and the outer diameter of the lower end of inner shell (20) is less than the inner diameter of the lower portion of inner cavity (11), so that the outer wall of the lower end of inner shell (20) and the inner wall of the lower portion of inner cavity (11) form upper air cavity (102); The wall thickness of the inner shell (20) is provided with a cleaning gas passage (22) communicated from the outer wall of the upper end to the top cavity opening of the through cavity (21); The wall thickness of the main shell (10) is provided with a first gas passage (12) communicated with the bottom of the lower air cavity (101), a second gas passage (13) communicated with the upper air cavity (102) and a third gas passage (14) communicated the first gas passage (12) and the cleaning gas passage (22), and the one-way air inlet joint (50) is installed on the inner shell (20) through the first gas passage (12) to allow one-way air passage of the lower air cavity (101).
2. The pinch air cylinder with self-cleaning function according to claim 1, characterized in that: The cleaning gas passage (22) is formed with an air passage annular groove (221) recessed on the outer wall of the upper end of the inner shell (20) and a gas passage section (222) communicated from the air passage annular groove (221) to the top cavity opening of the through cavity (21), so as to facilitate the air from the third gas passage (14) to be received by the air passage annular groove (221).
3. The pinch air cylinder with self-cleaning function according to claim 1, characterized in that: The inner cavity (11) is wide at the upper portion and narrow at the lower portion, and the main shell (10) is provided with a plurality of fixing bolts (103) at the upper end and connected with the inner shell (20), so as to fix the inner shell (20) in the inner cavity (11).
4. The pinch air cylinder with self-cleaning function according to claim 1, characterized in that: The through cavity (21) is narrow at the upper portion and wide at the lower portion.
5. The pinch air cylinder with self-cleaning function according to claim 1, characterized in that: The utility model provides a kind of air cleaner, including piston head (30) and piston rod body (40), the piston head (30) is arranged in lower air cavity (101) and can be lifted, and the outer periphery of piston head (30) is provided with sealing ring (31) and is in abutment with the inner wall of the lower portion of inner cavity (11);The piston rod body (40) is arranged in through cavity (21) and can be lifted, and spring member (41) is sleeved on the middle segment of piston rod body (40), the bottom of piston rod body (40) is connected with piston head (30), and piston rod body (40) can be lifted from through cavity (21) and can be penetrated outwards with the lifting of piston head (30) in lower air cavity (101).