CN216981706U

CN216981706U - Vertical movement type servo electric cylinder with piston capable of preventing blockage

Info

Publication number: CN216981706U
Application number: CN202122201404.5U
Authority: CN
Inventors: 曾刚; 李勇; 孙方友
Original assignee: Dongguan Yingchi Intelligent Equipment Co ltd
Current assignee: Dongguan Yingchi Intelligent Equipment Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-07-15
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a vertical moving type servo electric cylinder with an anti-blocking piston, which is provided with a cylinder body, wherein a mounting plate is fixed at the top of the cylinder body, and a motor is arranged on the lower end surface of the mounting plate through a bolt; the piston body is sleeved on the outer side of the ball screw in a threaded manner, and the interior of the piston body is fixedly connected with the end of the piston rod; the method comprises the following steps: the piston body is provided with a piston body, a piston rod is movably arranged in the piston body, a cleaning block is fixed at the lower edge of the piston body, a collecting box is fixed on the bottom surface in the cylinder body below the cleaning block, a movable rod penetrates through the inner top surface of the cylinder body in a movable mode, and a return spring is wound on the outer side of the movable rod; the oil storage chamber sets up in the mounting panel in the valve plate outside, the avris in oil storage chamber is provided with transmission path. This servo electric jar of vertical migration formula that piston anti-sticking went on can guarantee servo electric jar in the use, the smooth and easy nature that its inside piston removed to the lubricating oil after using, can strike off and clear up, prevent to cause the damage of servo electric jar internals.

Description

Vertical movement type servo electric cylinder with piston capable of preventing blockage

Technical Field

The utility model relates to the technical field of servo electric cylinders, in particular to a vertical moving type servo electric cylinder with a piston capable of preventing blocking.

Background

Servo electric jar is an equipment that combines servo motor and lead screw, and it rotates through the drive lead screw, and then promotes the piston rod through the piston and realize reciprocal rectilinear movement inside the cylinder body, compares in traditional cylinder and pneumatic cylinder, and servo electric jar accuracy control is higher in the use, consequently wide application in all kinds of trades, nevertheless current servo electric jar still has following shortcoming in the in-service use process:

1. after the traditional servo electric cylinder is used for a period of time, a piston in the cylinder body is easy to clamp, so that the smoothness of the movement of the piston rod is influenced, and the normal use of equipment connected with the piston rod can be caused;

2. normally servo electric jar needs to use lubricating oil to guarantee the smooth and easy nature that its inside part removed, and lubricating oil long-time and the part between the phenomenon that the caking can appear blackening, and then can cause the damage to servo electric jar internals, influence normal operating, consequently traditional servo electric jar then lacks the structure to the residue clearance.

Aiming at the problems, innovative design is urgently needed on the basis of the original servo electric cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical moving type servo electric cylinder with an anti-blocking piston, which aims to solve the problems that the piston in the cylinder body is easy to block, so that the smoothness of the movement of a piston rod is influenced, and parts are blackened and caked due to the long-time contact of lubricating oil with the parts, so that the parts in the servo electric cylinder are damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a vertical moving type servo electric cylinder with an anti-blocking piston is provided with a cylinder body, wherein a mounting plate is fixed to the top of the cylinder body, a motor is mounted on the lower end face of the mounting plate through a bolt, and an output shaft of the motor is connected with a ball screw through a belt pulley mechanism;

the piston body is sleeved on the outer side of the ball screw in a threaded manner, and the interior of the piston body is fixedly connected with the end of the piston rod;

the method comprises the following steps:

the piston body is provided with a piston body, a piston rod is arranged in the piston body, a cleaning block is fixed at the lower edge of the piston body, a collecting box is fixed on the bottom surface in the cylinder body below the cleaning block, a movable rod penetrates through the inner top surface of the cylinder body in a movable mode, a return spring is wound on the outer side of the movable rod, and the top of the movable rod is connected with a valve plate;

the oil storage chamber sets up in the mounting panel in the valve plate outside, the avris in oil storage chamber is provided with transmission path, and has the oil outlet on the cylinder body of transmission path end department in advance.

Preferably, the clearance piece is formed by supporting shoe and connecting block combination, and the edge at the piston body is fixed to the supporting shoe is stainless steel material, and the one end that the piston body was kept away from to the supporting shoe simultaneously is the tip design, can strike off the used lubricating oil of adhesion on the cylinder body inner wall through the clearance piece, and lubricating oil can adhere on the connecting block.

Preferably, the inboard at the supporting shoe is pasted to the connecting block, and leaves the space between the two to the cross-section of connecting block is sunken arc structure, and the connecting block is the rubber material simultaneously, can warp after connecting block and collection box contact, so that scrape down to the lubricating oil of adhesion on the connecting block.

Preferably, the storage tank has been seted up to the inside of collecting the box, and the top of collecting the box is the inclined plane setting to the higher end of collecting the box top is close to the inner wall of cylinder body, and it is threaded connection to collect box and cylinder body simultaneously, can scrape the lubricating oil on the connecting block to the storage tank in through collecting the box, and collects the box and can rotate and take off from the cylinder body and clear up.

Preferably, movable rod and cylinder body are sliding connection, and the inside of movable rod is provided with the check valve that supplies the gas circulation to movable rod and valve plate mutually perpendicular can promote its slip after piston body and movable rod contact, and then drive the valve plate and move in the oil storage intracavity.

Preferably, the edge of valve plate and the inner wall in oil storage chamber closely laminate, and oil storage chamber and transfer passage intercommunication each other, after the lubricating oil of oil storage intracavity is promoted, can get into inside the transfer passage.

Preferably, the transmission channel is communicated with the inside of the cylinder body through the oil outlet, the transmission channel and the oil outlet are symmetrically provided with 2 groups relative to the diagonal line of the cylinder body, and finally, the lubricating oil can flow between the piston body and the cylinder body from the oil outlet to play a role in lubricating the piston body.

Compared with the prior art, the utility model has the beneficial effects that: the piston anti-blocking vertical moving type servo electric cylinder can ensure the smoothness of the movement of the piston in the servo electric cylinder in the using process, and can scrape and clean used lubricating oil to prevent the damage of parts in the servo electric cylinder;

1. when the piston body moves to be in contact with the movable rod, the piston body can be driven to slide on the cylinder body and push the valve plate to move in the oil storage cavity, so that lubricating oil in the oil storage cavity can be pushed into the transmission channel;

after the piston body is separated from the movable rod, the movable rod and the valve plate can be restored to the initial positions so as to facilitate the next pushing of lubricating oil, and the one-way valve is arranged in the movable rod so that gas can enter the oil storage cavity, so that the lubricating oil in the oil storage cavity can be driven to be discharged when the valve plate moves for the same distance every time;

2. The piston body can drive the inner wall contact of clearance piece and cylinder body at the removal in-process, like this when the clearance piece removes, can drive the supporting shoe and strike off used lubricating oil, owing to used lubricating oil has certain stickness, consequently can the adhesion and pile up on the connecting block, like this the connecting block with collect when the box contact, can promote the connecting block deformation to scrape the lubricating oil of its surface adhesion to the storage tank in, so that subsequent unified clearance.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of the mounting plate of the present invention;

FIG. 3 is a schematic view of a front cross-sectional view of the reservoir chamber of the present invention;

FIG. 4 is a schematic view of the bottom section of the cylinder body of the present invention;

FIG. 5 is a schematic cross-sectional view taken at A in FIG. 2 according to the present invention;

FIG. 6 is a schematic cross-sectional view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a cylinder body; 2. mounting a plate; 3. an electric motor; 4. a ball screw; 5. a piston body; 6. a piston rod; 7. cleaning the block; 71. a support block; 72. connecting blocks; 8. a collection box; 81. a storage tank; 9. a movable rod; 10. a return spring; 11. a valve plate; 12. an oil storage chamber; 13. a transmission channel; 14. an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a piston anti-blocking vertical moving type servo electric cylinder is provided with a cylinder body 1, a mounting plate 2 is fixed to the top of the cylinder body 1, a motor 3 is mounted on the lower end face of the mounting plate 2 through a bolt, and an output shaft of the motor 3 is connected with a ball screw 4 through a belt pulley mechanism;

the piston body 5 is sleeved on the outer side of the ball screw 4 in a threaded manner, and the inner part of the piston body 5 is fixedly connected with the end of the piston rod 6;

the method comprises the following steps:

the cleaning block 7 is fixed at the lower edge of the piston body 5, a collecting box 8 is fixed on the inner bottom surface of the cylinder body 1 below the cleaning block 7, a movable rod 9 penetrates through the inner top surface of the cylinder body 1 in a movable mode, a return spring 10 is wound on the outer side of the movable rod 9, and the top of the movable rod 9 is connected with a valve plate 11;

The oil storage cavity 12 is arranged in the mounting plate 2 outside the valve plate 11, a transmission channel 13 is arranged on the side of the oil storage cavity 12, and an oil outlet 14 is reserved on the cylinder body 1 at the end of the transmission channel 13.

The cleaning block 7 is formed by combining a supporting block 71 and a connecting block 72, the supporting block 71 is fixed at the edge of the piston body 5, the supporting block 71 is made of stainless steel, and meanwhile, one end, far away from the piston body 5, of the supporting block 71 is designed to be a pointed end; the connecting block 72 is adhered to the inner side of the supporting block 71, a gap is reserved between the supporting block and the supporting block, the cross section of the connecting block 72 is of a concave arc structure, and meanwhile, the connecting block 72 is made of rubber; a storage groove 81 is formed in the collecting box 8, the top of the collecting box 8 is arranged in an inclined plane, the higher end of the top of the collecting box 8 is close to the inner wall of the cylinder body 1, and meanwhile the collecting box 8 is in threaded connection with the cylinder body 1;

as shown in fig. 1 and 5-6, in the moving process of the piston body 5, the cleaning block 7 can be driven to always contact with the inner wall of the cylinder body 1, and used lubricating oil adhered to the inner wall is scraped, at the moment, the lubricating oil has certain viscosity, so that the lubricating oil can be adhered to and accumulated on the connecting block 72 after being scraped by the supporting block 71, the connecting block 72 can deform after contacting with the collecting box 8, and the lubricating oil adhered to the connecting block 72 is scraped into the storage groove 81, so that the cleaning block 7 can be continuously scraped, and finally the cleaning block can be detached from the cylinder body 1 by rotating the collecting box 8 for cleaning, and meanwhile, the collecting boxes 8 are arranged on the cylinder body 1 at equal intervals, so that the lubricating oil can be conveniently and comprehensively cleaned;

The movable rod 9 is connected with the cylinder body 1 in a sliding way, a one-way valve for gas circulation is arranged inside the movable rod 9, and the movable rod 9 and the valve plate 11 are mutually vertical; the edge of the valve plate 11 is tightly attached to the inner wall of the oil storage cavity 12, and the oil storage cavity 12 is communicated with the transmission channel 13; the transmission channel 13 is communicated with the inside of the cylinder body 1 through the oil outlet hole 14, and the transmission channel 13 and the oil outlet hole 14 are symmetrically provided with 2 groups relative to the diagonal line of the cylinder body 1;

as shown in fig. 1-4, when the piston body 5 moves to contact with the movable rod 9, it can be pushed to slide on the cylinder body 1 and drive the valve plate 11 to move in the oil storage chamber 12, when the valve plate 11 moves upward, it can push the lubricant in the oil storage chamber 12 into the transmission channel 13, because when the piston body 5 contacts with the movable rod 9, the piston body 5 just covers the oil outlet 14, so the lubricant can flow from the oil outlet 14 to the side of the piston body 5, at the same time, there are 2 oil storage chambers 12, there are 4 transmission channels 13, which can be respectively connected with four sides of the cylinder body 1, to realize synchronous lubrication of four sides of the piston body 5, to ensure its smooth when moving, to avoid the occurrence of the seizure phenomenon, and after the piston body 5 is separated from the movable rod 9, the movable rod 9 and the valve plate 11 can be driven to return to the original position by the resilience of the return spring 10, so that the lubricating oil is pushed out next time, and the movable rod 9 is internally provided with a one-way valve, so that the gas can be driven to enter the oil storage cavity 12, and the lubricating oil in the oil storage cavity 12 can be pushed out when the valve plate 11 moves for the same distance every time.

The working principle is as follows: as shown in fig. 1-6, when the motor 3 drives the ball screw 4 to rotate, the piston rod 6 can be driven to move linearly by the piston body 5, and the piston body 5 can contact with the movable rod 9 after moving, and the lubricating oil in the oil storage cavity 12 is pushed out by the valve plate 11 and flows to the outside of the piston body 5 from the oil outlet 14, so as to lubricate the piston body 5 and prevent blockage, and in the moving process of the piston body 5, the cleaning block 7 can be driven to scrape the lubricating oil adhered to the blackening cake on the inner wall of the cylinder body 1, so as to prevent the damage of the internal parts of the cylinder body 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. A vertical moving type servo electric cylinder with an anti-blocking piston is provided with a cylinder body, wherein a mounting plate is fixed to the top of the cylinder body, a motor is mounted on the lower end face of the mounting plate through a bolt, and an output shaft of the motor is connected with a ball screw through a belt pulley mechanism;

it is characterized by comprising the following steps:

2. The vertical movement type servo cylinder with a piston stuck preventing as claimed in claim 1, wherein: the clearance piece is formed by supporting shoe and connecting block combination, and the supporting shoe is fixed in the edge of piston body to the supporting shoe is stainless steel material, and the one end that the piston body was kept away from to the supporting shoe is the tip design simultaneously.

3. The vertical movement type servo cylinder with a piston stuck-proof as claimed in claim 2, wherein: the connecting block is pasted on the inner side of the supporting block, a gap is reserved between the connecting block and the supporting block, the cross section of the connecting block is of a sunken arc-shaped structure, and the connecting block is made of rubber.

4. The vertical movement type servo cylinder with a piston stuck preventing as claimed in claim 1, wherein: the storage tank has been seted up to the inside of collecting the box, and the top of collecting the box is the inclined plane setting to the higher extreme at collection box top is close to the inner wall of cylinder body, and it is threaded connection to collect box and cylinder body simultaneously.

5. The vertical movement type servo cylinder with a piston stuck preventing as claimed in claim 1, wherein: the movable rod and the cylinder body are connected in a sliding mode, a one-way valve for gas circulation is arranged inside the movable rod, and the movable rod and the valve plate are perpendicular to each other.

6. The vertical movement type servo cylinder with a piston stuck preventing as claimed in claim 1, wherein: the edge of valve plate and the inner wall in oil storage chamber closely laminate, and oil storage chamber and transfer passage intercommunication each other.

7. The vertical movement type servo cylinder with a piston stuck preventing as claimed in claim 1, wherein: the transmission channel is communicated with the inside of the cylinder body through the oil outlet, and 2 groups of transmission channels and 2 groups of oil outlets are symmetrically arranged on the diagonal line of the cylinder body.