Cylinder inner wall polishing device

Abstract

The present application relates to a cylinder inner wall polishing device, which belongs to the technical field of cylinder processing, and includes a frame, on which a cylinder placement mechanism and a motor polishing mechanism are installed, the cylinder placement mechanism includes a driving motor, a workbench, an active roller, a driven roller, a clamping cylinder and a pressure roller assembly, the driving motor and the workbench are both fixed on the frame, and the active roller and the driven roller are symmetrically connected to the workbench side by side. The present application has a simple structure and a good polishing effect. The cylinder placement mechanism is provided with an active roller, a driven roller and a pressure roller assembly, and the active roller is driven by the driving motor to rotate, so that the cylinder rotates, and then the rotating cylinder inner wall is polished by a high-speed rotating polishing head, the polishing effect is better, and the inner wall is smoother after polishing, which can further reduce the friction resistance of the inner wall of the cylinder, and has a higher quality.

Description

Technical Field

[0001] The present application relates to the technical field of cylinder barrel processing, and in particular to a cylinder barrel inner wall polishing device. Background Art

[0002] As an important component of the cylinder, the inner wall of the cylinder barrel must be smooth in order to reduce the resistance of the piston.

[0003] When polishing the inner wall of a cylinder barrel, the polishing machine in the prior art generally fixes the cylinder barrel and then extends a high-speed rotating grinding head into the cylinder barrel for polishing. In this way, the inner wall actually polished is not smooth enough and the polishing effect is poor.

[0004] Therefore, it is urgent to improve it to obtain a polishing device with better polishing effect. Utility Model Content

[0005] The purpose of the present application is to provide a cylinder inner wall polishing device to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the present application provides a cylinder inner wall polishing device adopting the following technical solution:

[0007] A cylinder inner wall polishing device comprises a frame, a cylinder placement mechanism and a motor polishing mechanism are installed on the frame, the cylinder placement mechanism comprises a driving motor, a workbench, an active roller, a driven roller, a clamping cylinder and a clamping roller assembly, the driving motor and the workbench are both fixed on the frame, the active roller and the driven roller are symmetrically connected to the workbench side by side, the driving motor is used to drive the active roller to rotate, a bracket is fixed on the workbench, the clamping cylinder is fixed on the bracket, and the clamping cylinder is correspondingly arranged just above the symmetry axis between the active roller and the driven roller along the length direction, and the clamping roller assembly is fixed on the piston rod of the clamping cylinder;

[0008] The motor grinding mechanism is arranged next to the cylinder placing mechanism, and the motor grinding mechanism includes a servo motor guide slide, a linear guide slide, a grinding motor, a transmission shaft and a grinding head. The servo motor guide slide is horizontally fixed on the frame, the linear guide slide is vertically fixed on the slide of the servo motor guide slide, the grinding motor is fixed on the slide of the linear guide slide, the transmission shaft is fixed on the output shaft of the grinding motor, and the grinding head is detachably fixed on the transmission shaft. The central axis of the transmission shaft and the axis of symmetry between the active roller and the driven roller along the length direction are located on the same horizontal plane.

[0009] Preferably, a dust suction pipe is also installed on the frame, and a vacuum cleaner is externally connected to the dust suction pipe. The dust suction port of the dust suction pipe is arranged corresponding to the transmission shaft, the diameter of the dust suction port is larger than the diameter of the grinding head, and the grinding head can be inserted into the dust suction pipe.

[0010] By adopting the above technical solution, a dust suction pipe is provided to absorb polishing dust, thereby effectively reducing the impact of dust. At the same time, after the grinding head enters the grinding process from one end of the cylinder barrel, it extends into the dust suction pipe to remove the dust adhered to the surface of the grinding head, which can not only remove dust efficiently, but also improve the grinding effect.

[0011] The pressing roller assembly comprises a pressing plate fixed on the piston rod of the pressing cylinder, and rollers are rotatably mounted at the four corners of the bottom end of the pressing plate.

[0012] Preferably, in order to facilitate replacement of the grinding head, the grinding head includes a connecting shaft, the grinding head is fixed on the connecting shaft, a slot is provided at one end of the transmission shaft, a connecting hole is provided on the slot, and the connecting shaft is fixed in the slot by a stud.

[0013] Preferably, in order to increase the friction between the cylinder barrel, the active roller, the driven roller and the roller surface are all provided with a polyurethane adhesive layer.

[0014] In summary, the present application includes at least one of the following beneficial technical effects: the cylinder barrel inner wall polishing device has a simple structure and good polishing effect. An active roller, a driven roller and a pressure roller assembly are provided in the cylinder barrel placing mechanism, and the active roller is driven to rotate by a driving motor, thereby rotating the cylinder barrel, and then the rotating cylinder barrel inner wall is polished by a high-speed rotating polishing head. The polishing effect is better, and the inner wall is smoother after polishing, which can further reduce the friction resistance of the inner wall of the cylinder barrel and has higher quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0016] Figure 2 It is a usage status diagram of an embodiment of the present application.

[0017] Explanation of the accompanying drawings: 1. Frame; 2. Cylinder placement mechanism; 21. Driving motor; 22. Workbench; 23. Active roller; 24. Driven roller; 25. Clamping cylinder; 26. Bracket; 27. Pressure plate; 28. Roller; 3. Motor grinding mechanism; 31. Servo motor guide slide; 32. Linear guide slide; 33. Grinding motor; 34. Transmission shaft; 35. Grinding head; 4. Dust suction pipe. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-2This application is described in further detail.

[0019] The present application discloses a cylinder inner wall polishing device, referring to Figure 1-2 , including a frame 1, on which a cylinder placing mechanism 2 and a motor grinding mechanism 3 are installed, the cylinder placing mechanism 2 includes a driving motor 21, a workbench 22, an active roller 23, a driven roller 24, a pressing cylinder 25 and a pressing roller assembly, the driving motor 21 and the workbench 22 are both fixed on the frame 1, the active roller 23 and the driven roller 24 are symmetrically rotated side by side and connected to the workbench 22, the driving motor 21 is used to drive the active roller 23 to rotate, and a bracket 26 is fixed on the workbench 22, The pressing cylinder 25 is fixed on the bracket 26, and the pressing cylinder 25 is correspondingly arranged just above the symmetry axis between the active roller 23 and the driven roller 24 along the length direction. The pressing roller assembly is fixed on the piston rod of the pressing cylinder 25. The pressing roller assembly includes a pressing plate 27 fixed on the piston rod of the pressing cylinder 25. Rollers 28 are rotatably installed at the four corners of the bottom end of the pressing plate 27. In order to improve the friction force, the surfaces of the active roller 23, the driven roller 24 and the roller 28 are all provided with a polyurethane adhesive layer;

[0020] The motor grinding mechanism 3 is arranged next to the cylinder placing mechanism 2, and the motor grinding mechanism 3 includes a servo motor guide slide 31, a linear guide slide 32, a grinding motor 33, a transmission shaft 34 and a grinding head 35. The servo motor guide slide 31 is horizontally fixed on the frame 1, and the linear guide slide 32 is vertically fixed on the slide of the servo motor guide slide 31. The grinding motor 33 is fixed on the slide of the linear guide slide 32. The linear guide slide 32 is used to adjust the height of the grinding motor 33 to adapt to cylinders of different diameters. The transmission shaft 34 is fixed on the output shaft of the grinding motor 33. The grinding head 35 is detachably fixed on the transmission shaft 34. The central axis of the transmission shaft 34 and the axis of symmetry between the active roller 23 and the driven roller 24 along the length direction are located on the same horizontal plane.

[0021] Reference Figure 1-2 A dust suction pipe 4 is also installed on the frame 1, and a dust collector is externally connected to the dust suction pipe 4. The dust suction port of the dust suction pipe 4 is arranged corresponding to the transmission shaft 34, the diameter of the dust suction port is larger than the diameter of the grinding head 35, and the grinding head 35 can extend into the dust suction pipe 4.

[0022] By providing a dust suction pipe 4, polishing dust can be adsorbed, thereby effectively reducing the impact of dust. At the same time, after the grinding head 35 enters the grinding from one end of the cylinder barrel, it extends into the dust suction pipe 4, and the dust adhered to the surface of the grinding head 35 can be removed, which can not only efficiently remove dust, but also improve the grinding effect.

[0023] Reference Figure 1In order to facilitate the replacement of the grinding head 35, the grinding head 35 includes a connecting shaft, on which the grinding head is fixed, a slot is provided at one end of the transmission shaft 34, a connecting hole is provided on the slot, and the connecting shaft is fixed in the slot by a stud.

[0024] The implementation principle of a cylinder inner wall polishing device in the embodiment of the present application is as follows:

[0025] The staff places the cylinder barrel on the gap between the active roller 23 and the driven roller 24, and the clamping cylinder 25 works to drive the pressure roller assembly to press on the cylinder barrel. The driving motor 21 then drives the active roller 23 to rotate, and the active roller 23 drives the cylinder barrel to rotate. At this time, the grinding motor 33 works to drive the grinding head 35 to rotate at high speed, and then the high-speed rotating grinding head 35 is sent into the cylinder barrel through the servo motor guide slide 31 for polishing and grinding.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, principle and application direction of the present application should be included in the protection scope of the present application.

Claims

1. A cylinder inner wall polishing device, comprising a frame (1), on which a cylinder placement mechanism (2) and a motor polishing mechanism (3) are mounted, characterized in that: The cylinder placement mechanism (2) comprises a driving motor (21), a workbench (22), an active roller (23), a driven roller (24), a pressing cylinder (25) and a pressing roller assembly. The driving motor (21) and the workbench (22) are both fixed on the frame (1). The active roller (23) and the driven roller (24) are symmetrically connected to the workbench (22) for rotation. The driving motor (21) is used to drive the active roller (23) to rotate. A bracket (26) is fixed on the workbench (22). The pressing cylinder (25) is fixed on the bracket (26). The pressing cylinder (25) is correspondingly arranged directly above the symmetry axis between the active roller (23) and the driven roller (24) along the length direction. The pressing roller assembly is fixed on the piston rod of the pressing cylinder (25). The motor grinding mechanism (3) is arranged beside the cylinder placing mechanism (2), and comprises a servo motor guide slide (31), a linear guide slide (32), a grinding motor (33), a transmission shaft (34) and a grinding head (35); the servo motor guide slide (31) is horizontally fixed on the frame (1); the linear guide slide (32) is vertically fixed on the slide of the servo motor guide slide (31); the grinding motor (33) is fixed on the slide of the linear guide slide (32); the transmission shaft (34) is fixed on the output shaft of the grinding motor (33); the grinding head (35) is detachably fixed on the transmission shaft (34); the central axis of the transmission shaft (34) and the symmetry axis between the active roller (23) and the driven roller (24) along the length direction are located on the same horizontal plane.

2. The cylinder inner wall polishing device according to claim 1, characterized in that: A dust suction pipe (4) is also installed on the frame (1), and a dust collector is externally connected to the dust suction pipe (4). A dust suction port of the dust suction pipe (4) is arranged corresponding to the transmission shaft (34), and a diameter of the dust suction port is larger than a diameter of the grinding head (35), and the grinding head (35) can extend into the dust suction pipe (4).

3. The cylinder inner wall polishing device according to claim 1, characterized in that: The pressure roller assembly comprises a pressure plate (27) fixed on the piston rod of the pressure cylinder (25), and rollers (28) are rotatably mounted at the four corners of the bottom end of the pressure plate (27).

4. The cylinder inner wall polishing device according to claim 1, characterized in that: The grinding head (35) comprises a connecting shaft, on which the grinding head is fixed, and a slot is provided at one end of the transmission shaft (34), on which a connecting hole is provided, and the connecting shaft is fixed in the slot by means of a stud.

5. The cylinder inner wall polishing device according to claim 3, characterized in that: The surfaces of the active roller (23), the driven roller (24) and the roller (28) are all provided with a polyurethane adhesive layer.

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