CN212947260U

CN212947260U - Clamping device for polishing surface of cylinder barrel of hydraulic cylinder

Info

Publication number: CN212947260U
Application number: CN202021527308.9U
Authority: CN
Inventors: 吴玥
Original assignee: Changzhou Zhenyue Hydraulic Machinery Co ltd
Current assignee: Changzhou Zhenyue Hydraulic Machinery Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-13
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a hydraulic cylinder surface polishes and uses clamping device, including frame, workstation and grinding machanism, workstation surface both sides are provided with left side fixture and right side fixture respectively, left side fixture and right side fixture all include stand and central swivel joint, central swivel joint one end and stand lateral wall fixed connection, central swivel joint other end fixedly connected with links up the piece, link up the inside cavity of having seted up of piece, cavity and central swivel joint looks adaptation. The utility model discloses a be provided with standing groove and second hydro-cylinder, the second hydro-cylinder can make the standing groove stop at the appointed height on workstation top, and the cylinder is through hanging hoist and mount to the workstation top after, and the staff only need put the standing groove surface with it in coordination, low in labor strength need not to lift the cylinder, safe and reliable.

Description

Clamping device for polishing surface of cylinder barrel of hydraulic cylinder

Technical Field

The utility model relates to a cylinder surface technical field that polishes, in particular to pneumatic cylinder surface is polished and is used clamping device.

Background

The hydraulic cylinder has wide application in industry, wherein the cylinder barrel is a cylinder with openings at two ends, and surface polishing and rust removal are needed in the production process, so that subsequent operation is facilitated. Traditional cylinder grinding device needs the manual work to press from both sides tightly, because the cylinder of large-scale hydro-cylinder is heavier, and the manual work is very difficult to press from both sides tight fixed to it, and the operation is too complicated to lead to work efficiency low, the clamping device centre gripping is the cylinder tip outer wall simultaneously, and not only the centre gripping effect is poor, still is not convenient for carry out comprehensive polishing to its surface.

Therefore, it is necessary to provide a clamping device for polishing the surface of a cylinder barrel of a hydraulic cylinder to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic cylinder surface polishes and uses clamping device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for polishing the surface of a cylinder barrel of a hydraulic cylinder comprises a frame, a workbench and a polishing mechanism, wherein a left clamping mechanism and a right clamping mechanism are respectively arranged on two sides of the surface of the workbench, the left clamping mechanism and the right clamping mechanism respectively comprise a stand column and a central revolving joint, one end of the central revolving joint is fixedly connected with the side wall of the stand column, the other end of the central revolving joint is fixedly connected with a linking block, a cavity is arranged in the linking block, the cavity is matched with the central revolving joint, one side of the linking block is fixedly connected with a first oil cylinder, U-shaped blocks are symmetrically arranged on two sides of the first oil cylinder, the U-shaped blocks are welded and fixed with the linking block, a sliding groove is arranged on the surface of each U-shaped block, sliding blocks are slidably arranged on the upper side and the lower side in the sliding groove, transverse connecting blocks are symmetrically arranged, two ends of the two transverse connecting blocks are fixedly connected with the sliding blocks on two sides respectively, a clamping block is fixedly welded on one side of each transverse connecting block, a connecting rod is hinged on the other side of each transverse connecting block, adjusting blocks are hinged to the end parts of the connecting rods on the upper side and the lower side, and the adjusting blocks are fixedly connected with the output end of the first oil cylinder;

the workbench is fixedly provided with a slide rail on the surface, the bottom end of the stand is fixedly connected with a moving block, the moving block is connected with the slide rail in a sliding mode, one side of the stand is fixedly connected with an electro-hydraulic push rod, the electro-hydraulic push rod is fixedly connected with the rack, the surface of the workbench is provided with a placing groove, the bottom end of the placing groove is provided with a second oil cylinder, the second oil cylinder is arranged inside the rack, and the output end of the second oil cylinder is fixedly connected with the bottom end of the placing.

Preferably, the fixed cover in linking piece surface is equipped with the toothed disc among the left side fixture, the toothed disc bottom is provided with driving motor, driving motor output fixedly connected with rotary disk, the rotary disk meshes with the toothed disc mutually.

Preferably, an oil pipe is arranged in the cavity, one end of the oil pipe is communicated with the central swivel joint, and the other end of the oil pipe is communicated with the first oil cylinder.

Preferably, the central swivel joint is externally connected with an oil pump.

Preferably, the surface of the clamping block is provided with a protruding block, and the cross section of the protruding block is arranged in an arc shape.

Preferably, the surface of the protruding block is wrapped with a rubber pad.

The utility model discloses a technological effect and advantage: simple structure, high durability and convenient use, through being provided with standing groove and second hydro-cylinder, the second hydro-cylinder can make the standing groove stop at the appointed height on workstation top, the cylinder is through hanging hoist and mount to the workstation top after, the staff only need put the standing groove surface with it in coordination, low in labor strength, need not to lift the cylinder, safety and reliability, the cylinder is put well the back, electro-hydraulic push rod work promotes left side fixture and right side fixture suitable position respectively to the cylinder both ends, first hydro-cylinder extension, promote the regulating block motion, both sides transverse connection piece is up both ends motion respectively about the regulating block promotes through connecting rod and slider, thereby can make the fixture block surperficial bulge piece hug closely at the cylinder inner wall, and then can fix the cylinder, not only the centre gripping is effectual, can also carry out comprehensive polishing to the cylinder surface.

Drawings

Fig. 1 is a schematic view of the overall front view structure of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a side view of the engagement block 7 of the present invention.

In the figure: the device comprises a machine frame 1, a workbench 2, a left clamping mechanism 3, a right clamping mechanism 4, a vertical column 5, a central rotary joint 6, a connecting block 7, a cavity 8, a first oil cylinder 9, a U-shaped block 10, a sliding chute 11, a sliding block 12, a transverse connecting block 13, a clamping block 14, a connecting rod 15, an adjusting block 16, a sliding rail 17, a moving block 18, an electro-hydraulic push rod 19, a placing groove 20, a second oil cylinder 21, a gear disc 22, a driving motor 23 and a protruding block 24.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a clamping device for polishing the surface of a hydraulic cylinder barrel as shown in figures 1-3, which comprises a frame 1, a workbench 2 and a polishing mechanism, wherein the polishing mechanism is arranged at the side part of the workbench 2 through a linear module, the two sides of the surface of the workbench 2 are respectively provided with a left clamping mechanism 3 and a right clamping mechanism 4, the left clamping mechanism 3 and the right clamping mechanism 4 both comprise a stand column 5 and a central rotary joint 6, one end of the central rotary joint 6 is fixedly connected with the side wall of the stand column 5, the other end of the central rotary joint 6 is fixedly connected with a connecting block 7, a cavity 8 is arranged inside the connecting block 7, the cavity 8 is matched with the central rotary joint 6, one side of the connecting block 7 is fixedly connected with a first oil cylinder 9, U-shaped blocks 10 are symmetrically arranged at the two sides of the first oil cylinder 9, and the U-shaped blocks 10 are welded and fixed with the connecting block 7, a sliding groove 11 is formed in the surface of the U-shaped block 10, sliding blocks 12 are arranged on the upper side and the lower side of the inside of the sliding groove 11 in a sliding mode, transverse connecting blocks 13 are symmetrically arranged between the U-shaped blocks 10 on the two sides, two ends of each transverse connecting block 13 are fixedly connected with the sliding blocks 12 on the two sides respectively, a clamping block 14 is fixedly welded on one side of each transverse connecting block 13, a connecting rod 15 is hinged on the other side of each transverse connecting block 13, an adjusting block 16 is hinged to the end portions of the connecting rods 15 on the upper side and the lower side, and the adjusting block;

the surface of the workbench 2 is fixedly provided with a sliding rail 17, the bottom end of the upright post 5 is fixedly connected with a moving block 18, the moving block 18 is slidably connected with the sliding rail 17, one side of the upright post 5 is fixedly connected with an electro-hydraulic push rod 19, the electro-hydraulic push rod 19 is fixedly connected with the rack 1, the surface of the workbench 2 is provided with a placing groove 20, the bottom end of the placing groove 20 is provided with a second oil cylinder 21, the second oil cylinder 21 is arranged inside the rack 1, and the output end of the second oil cylinder is fixedly connected with the bottom end of the placing.

Further, in the above technical scheme, a gear disc 22 is fixedly sleeved on the surface of the joining block 7 in the left clamping mechanism 3, a driving motor 23 is arranged at the bottom end of the gear disc 22, a rotating disc is fixedly connected to the output end of the driving motor 23, and the rotating disc is meshed with the gear disc 22;

further, in the above technical solution, an oil pipe is arranged inside the cavity 8, one end of the oil pipe is communicated with the central swivel joint 6, and the other end is communicated with the first oil cylinder 9;

further, in the above technical solution, the central swivel joint 6 is externally connected with an oil pump;

further, in the above technical solution, the surface of the clamping block 14 is provided with a protruding block 24, and in order to better fit the inner wall of the cylinder, the cross section of the protruding block 24 is arranged in an arc shape;

furthermore, in the above technical scheme, the rubber pad wraps the surface of the protruding block 24, and the rubber pad can not only increase the friction force of the protruding block 24, but also prevent the protruding block 24 from damaging the inner wall of the cylinder barrel.

This practical theory of operation:

when the device is used, the cylinder barrel is hoisted to the top end of the workbench 2 through a traveling crane and is placed on the surface of the placing groove 20 through the cooperative operation of workers, the left clamping mechanism 3 and the right clamping mechanism 4 are respectively pushed to proper positions at two ends of the cylinder barrel by the work of the electro-hydraulic push rod 19, the position of the clamping block 14 is ensured to be inserted into the cylinder barrel, at the moment, the oil pump works, after being guided by the central rotary joint 6, the oil pump enters the first oil cylinder 9, the first oil cylinder 9 extends, the adjusting block 16 is pushed to move, the adjusting block 16 pushes the upper and lower lateral connecting blocks 13 to respectively move up and down through the connecting rod 15 and the sliding block 12, so that the convex block 24 on the, and then can be fixed with the cylinder, and after the cylinder was fixed, second hydro-cylinder 21 shortened and drives standing groove 20 and move down and keep away from the cylinder, and driving motor 23 work drives the cylinder through toothed disc 22 and rotates to polish its surface through grinding machanism.

In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a hydraulic cylinder surface is polished and is used clamping device, includes frame (1), workstation (2) and grinding machanism, its characterized in that: the automatic clamping device is characterized in that a left clamping mechanism (3) and a right clamping mechanism (4) are respectively arranged on two sides of the surface of the workbench (2), the left clamping mechanism (3) and the right clamping mechanism (4) respectively comprise a stand column (5) and a central rotary joint (6), one end of the central rotary joint (6) is fixedly connected with the side wall of the stand column (5), the other end of the central rotary joint (6) is fixedly connected with a connecting block (7), a cavity (8) is formed in the connecting block (7), the cavity (8) is matched with the central rotary joint (6), a first oil cylinder (9) is fixedly connected on one side of the connecting block (7), U-shaped blocks (10) are symmetrically arranged on two sides of the first oil cylinder (9), the U-shaped blocks (10) are welded and fixed with the connecting block (7), a sliding groove (11) is formed in the surface of the U-shaped blocks (10), and sliding blocks (12) are slidably arranged on the upper side and the lower side, the transverse connecting blocks (13) are symmetrically arranged between the U-shaped blocks (10) on the two sides, the two ends of each transverse connecting block (13) are fixedly connected with the sliding blocks (12) on the two sides respectively, a clamping block (14) is fixedly welded on one side of each transverse connecting block (13), a connecting rod (15) is hinged on the other side of each transverse connecting block (13), adjusting blocks (16) are hinged to the end portions of the connecting rods (15) on the upper side and the lower side, and the adjusting blocks (16) are fixedly connected with the output end of the first oil cylinder (9);

workstation (2) fixed surface is provided with slide rail (17), stand (5) bottom fixedly connected with movable block (18), movable block (18) and slide rail (17) sliding connection, stand (5) one side fixedly connected with electricity liquid push rod (19), electricity liquid push rod (19) and frame (1) fixed connection, workstation (2) surface is provided with standing groove (20), standing groove (20) bottom is provided with second hydro-cylinder (21), second hydro-cylinder (21) set up inside frame (1), and output and standing groove (20) bottom fixed connection.

2. The clamping device for grinding the surface of the cylinder barrel of the hydraulic cylinder according to claim 1, wherein: the fixed cover in left side fixture (3) linking up piece (7) surface is equipped with toothed disc (22), toothed disc (22) bottom is provided with driving motor (23), driving motor (23) output fixedly connected with rotary disk, the rotary disk meshes with toothed disc (22) mutually.

3. The clamping device for grinding the surface of the cylinder barrel of the hydraulic cylinder according to claim 1, wherein: an oil pipe is arranged in the cavity (8), one end of the oil pipe is communicated with the central rotary joint (6), and the other end of the oil pipe is communicated with the first oil cylinder (9).

4. The clamping device for grinding the surface of the cylinder barrel of the hydraulic cylinder according to claim 1, wherein: the central rotary joint (6) is externally connected with an oil pump.

5. The clamping device for grinding the surface of the cylinder barrel of the hydraulic cylinder according to claim 1, wherein: the surface of the clamping block (14) is provided with a protruding block (24), and the cross section of the protruding block (24) is arranged in an arc shape.

6. The clamping device for grinding the surface of the cylinder barrel of the hydraulic cylinder according to claim 5, wherein: the surface of the convex block (24) is wrapped with a rubber pad.