Piston ring opening trimming machine

Abstract

The utility model discloses a piston ring mouth trimming machine, which relates to the technical field of piston processing and comprises an adjusting mechanism, a polishing mechanism is mounted on the surface of the adjusting mechanism, a feeding mechanism is arranged on one side of the polishing mechanism, the adjusting mechanism comprises an operating table, and a first fixing frame is fixedly connected to the upper portion of the operating table. According to the device, the grinding mechanism is moved to the position above the piston ring body through rotation of the servo motor, then the first electric-hydraulic push rod is extended to push the grinding motor and the grinding piece to move downwards, the grinding piece is moved to the surface of the piston ring body, and the grinding motor is started to drive the grinding piece to conduct grinding and opening repairing on the piston ring body; and in the polishing process of the piston ring body, the whole piston ring body is limited through a third limiting groove, deformation of the piston ring body is limited, and therefore the polishing quality of the piston ring body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston processing, in particular to a piston ring trimming machine. Background Art

[0002] The piston ring is a metal ring embedded in the piston groove. It is usually used in engines such as automobiles and internal combustion engines to seal the gap between the piston and the cylinder to ensure that the gas does not leak. The function of the piston ring trimming machine is to trim the piston ring to ensure the installation and sealing performance of the piston ring.

[0003] In the prior art, for example, Chinese patent CN209273146U discloses "a trimming machine for piston ring processing", which includes a support frame, a first support plate is provided at the upper end of the support frame, a bearing in the middle of the first support plate is connected to a first rotating plate, a first slide groove is provided on the first rotating plate, and a first limiting structure is provided on the first rotating plate, which is slidably connected to the first slide groove, and an electric telescopic plate is provided on one side of the first limiting structure, and a grinding structure and a shearing plate structure are symmetrically provided on both sides of the first rotating plate, and a dial is correspondingly provided on the first rotating plate, a second support plate is provided on one side of the first support plate, and a second limiting structure is provided on the second support plate, and the second limiting structure is extruded and connected to the first limiting structure.

[0004] However, in the prior art, during the process of grinding and trimming the piston ring, the continuous friction of the grinding disc on the surface of the piston ring will cause thermal expansion of the piston ring. When the piston ring undergoes thermal expansion and deformation, the existing trimming machine cannot control the deformation of the piston ring by the limiting mechanism of the piston ring, causing the piston ring to easily move on the surface of the limiting mechanism during the grinding process, or even detach from the surface of the limiting mechanism, resulting in reduced quality of the grinding and trimming of the piston ring. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that, during the grinding and trimming process of the piston ring, the continuous friction of the grinding sheet on the surface of the piston ring will cause the piston ring to experience thermal expansion. When the piston ring undergoes thermal expansion and deformation, the existing trimming machine cannot control the deformation of the piston ring by the limiting mechanism of the piston ring, which causes the piston ring to easily move on the surface of the limiting mechanism during the grinding process, or even to separate from the surface of the limiting mechanism, resulting in reduced grinding and trimming quality of the piston ring. A piston ring trimming machine is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a piston ring trimming machine, comprising an adjusting mechanism, a grinding mechanism is installed on the surface of the adjusting mechanism, a feeding mechanism is arranged on one side of the grinding mechanism, the adjusting mechanism comprises an operating table, a No. 1 fixing frame is fixedly connected to the upper part of the operating table, a slide rail is fixedly connected to the surface of the No. 1 fixing frame, a No. 1 slider is slidably connected inside the slide rail, and a No. 2 slider is slidably connected inside the slide rail;

[0007] The feeding mechanism includes a No. 2 electro-hydraulic push rod and a limit plate, the No. 2 electro-hydraulic push rod is fixedly connected to the bottom of the No. 2 slider, and one end of the No. 2 electro-hydraulic push rod is fixedly connected to the fixed plate, the limit plate is fixedly connected to the surface of the operating table, and a No. 3 limit groove is arranged on the surface of the limit plate, the lower part of the fixed plate is fixedly connected to the mounting frame, the lower part of the mounting frame is rotatably connected to the adjusting plate, the surface of the adjusting plate is rotatably connected to a connecting rod, one end of the connecting rod is rotatably connected to the swing plate, one end of the swing plate is rotatably connected to the mounting frame, and the surface of the swing plate is fixedly connected to the No. 2 fixing frame, one end of the No. 2 fixing frame is fixedly connected to a clamping plate, the side of the clamping plate is fixedly connected to an anti-skid rubber pad, and the surface of the anti-skid rubber pad is fitted with a piston ring body.

[0008] Preferably, one end of the slide rail is fixedly connected to a servo motor, an output end of the servo motor is fixedly connected to a lead screw, the lead screw is threadedly connected to the first slider, and the lead screw is threadedly connected to the first slider.

[0009] Preferably, the grinding mechanism includes an electro-hydraulic push rod No. 1, which is fixedly connected to the bottom of the slider No. 1, and one end of the electro-hydraulic push rod No. 1 is fixedly connected to a grinding motor, and an output end of the grinding motor is fixedly connected to a grinding plate.

[0010] Preferably, a limiting rod is fixedly connected to the surface of the mounting frame, a second limiting groove is provided on the surface of the adjustment plate, and the limiting rod is located inside the second limiting groove.

[0011] Preferably, a No. 3 electro-hydraulic push rod is rotatably connected to the surface of the fixed plate, one end of the No. 3 electro-hydraulic push rod is rotatably connected to a connecting shaft, and the connecting shaft is fixedly connected to one side of the adjustment plate.

[0012] Preferably, a first limiting groove is provided on the surface of the fixing plate, and the connecting shaft is located inside the first limiting groove.

[0013] Preferably, a cylinder is fixedly connected to the lower portion of the fixed plate, and a push plate is fixedly connected to one end of the cylinder.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, the grinding mechanism is moved to the top of the piston ring body by rotating the servo motor, and then the No. 1 electro-hydraulic push rod is extended to push the grinding motor and the grinding sheet downward, and the grinding sheet is moved to the surface of the piston ring body. The grinding motor is turned on to drive the grinding sheet to grind and trim the piston ring body. In the process of grinding the piston ring body, the piston ring body is limited as a whole by the No. 3 limiting groove, and the deformation of the piston ring body is limited, thereby improving the quality of grinding the piston ring body.

[0016] 2. In the utility model, the piston ring body is supported and fastened from the inside by the clamping plate and the anti-skid rubber pad, which is convenient for taking the material from the piston ring body. Then, the servo motor is rotated to move the piston ring body above the No. 3 limit groove, and then the cylinder is extended to push the push plate to push the piston ring body into the No. 3 limit groove, which is convenient for loading the piston ring body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of a piston ring trimming machine is proposed for the utility model;

[0018] Figure 2 The utility model provides a front view structural schematic diagram of a piston ring trimming machine;

[0019] Figure 3 The utility model provides a schematic diagram of the cross-sectional three-dimensional structure of a slide rail in a piston ring trimming machine;

[0020] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a fixed plate in a piston ring trimming machine;

[0021] Figure 5 The utility model provides a three-dimensional structural schematic diagram of a mounting frame in a piston ring trimming machine;

[0022] Figure 6 The utility model provides a three-dimensional structural schematic diagram of a second fixing frame in a piston ring trimming machine.

[0023] Legend: 1. Adjustment mechanism; 11. Operating table; 12. No. 1 fixed frame; 13. Slide rail; 14. Servo motor; 15. No. 1 slider; 16. No. 2 slider; 17. Screw; 2. Grinding mechanism; 21. No. 1 electro-hydraulic push rod; 22. Grinding motor; 23. Grinding sheet; 3. Feeding mechanism; 31. Limit plate; 32. No. 2 electro-hydraulic push rod; 33. Fixed plate; 34. No. 3 electro-hydraulic push rod; 35. Connecting shaft; 36. No. 1 limit groove; 37. Cylinder; 38. Push plate; 39. No. 3 limit groove; 310. Mounting frame; 311. Adjustment plate; 312. Limit rod; 313. No. 2 limit groove; 314. Connecting rod; 315. Swing plate; 316. No. 2 fixed frame; 317. Clamp; 318. Anti-skid rubber pad; 4. Piston ring body. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] like Figure 1-6 As shown, the utility model provides a piston ring trimming machine, including an adjusting mechanism 1, a grinding mechanism 2 is installed on the surface of the adjusting mechanism 1, a feeding mechanism 3 is arranged on one side of the grinding mechanism 2, the adjusting mechanism 1 includes an operating table 11, a No. 1 fixing frame 12 is fixedly connected to the upper part of the operating table 11, a slide rail 13 is fixedly connected to the surface of the No. 1 fixing frame 12, a No. 1 slider 15 is slidably connected inside the slide rail 13, and a No. 2 slider 16 is slidably connected inside the slide rail 13, a servo motor 14 is fixedly connected to one end of the slide rail 13, a screw rod 17 is fixedly connected to the output end of the servo motor 14, the screw rod 17 is threadedly connected to the No. 1 slider 15, and the screw rod 17 is threadedly connected to the No. 1 slider 15;

[0027] The feeding mechanism 3 includes a No. 2 electro-hydraulic push rod 32 and a limit plate 31. The No. 2 electro-hydraulic push rod 32 is fixedly connected to the bottom of the No. 2 slider 16, and one end of the No. 2 electro-hydraulic push rod 32 is fixedly connected to a fixed plate 33. The limit plate 31 is fixedly connected to the surface of the operating table 11, and a No. 3 limit groove 39 is provided on the surface of the limit plate 31. The lower part of the fixed plate 33 is fixedly connected to a mounting frame 310, and the lower part of the mounting frame 310 is rotatably connected to an adjusting plate 311. The surface of the adjusting plate 311 is rotatably connected to a connecting rod 314, one end of the connecting rod 314 is rotatably connected to a swing plate 315, one end of the swing plate 315 is rotatably connected to the mounting frame 310, and the surface of the swing plate 315 is fixedly connected to a No. 2 fixing frame 316, one end of the No. 2 fixing frame 316 is fixedly connected to a clamping plate 317, and a non-slip rubber pad 318 is fixedly connected to the side of the clamping plate 317, and the surface of the non-slip rubber pad 318 is bonded to the piston ring body 4.

[0028] The following is a detailed description of the specific settings and functions of this embodiment. The servo motor 14 drives the screw rod 17 to rotate, and the screw rod 17 is driven to move under the rotation of the screw rod 17, thereby driving the feeding mechanism 3 to move. After the clamping plate 317 is moved to the material taking position, the clamping plate 317 is lowered to a suitable height by extending the second electro-hydraulic push rod 32. At this time, the third electro-hydraulic push rod 34 is extended to push the connecting shaft 35 to slide along the first limit groove 36. Under the driving action of the connecting shaft 35, the adjusting plate 311 is swung, thereby driving the connecting rod 314. Pull the swing plate 315 to unfold along the surface of the mounting frame 310, and under the driving action of the swing plate 315, the second fixing frame 316 and the clamping plate 317 are lowered to open, and the piston ring body 4 is supported and fastened from the inside by the clamping plate 317 and the anti-skid rubber pad 318, so as to facilitate the material taking of the piston ring body 4, and then the servo motor 14 is rotated to move the piston ring body 4 to the top of the third limiting groove 39, and then the cylinder 37 is extended to push the push plate 38 to push the piston ring body 4 into the third limiting groove 39, so as to facilitate the loading of the piston ring body 4;

[0029] Then, the servo motor 14 is rotated to move the grinding mechanism 2 to above the piston ring body 4, and then the No. 1 electro-hydraulic push rod 21 is extended to push the grinding motor 22 and the grinding plate 23 to move downward, and the grinding plate 23 is moved to the surface of the piston ring body 4. The grinding motor 22 is turned on to drive the grinding plate 23 to grind and trim the piston ring body 4. In the process of grinding the piston ring body 4, the piston ring body 4 is limited as a whole by the No. 3 limiting groove 39, and the deformation of the piston ring body 4 is limited, thereby improving the quality of grinding the piston ring body 4.

[0030] like Figure 4As shown, the grinding mechanism 2 includes an electro-hydraulic push rod 21, which is fixedly connected to the bottom of the slider 15, and one end of the electro-hydraulic push rod 21 is fixedly connected to a grinding motor 22, and an output end of the grinding motor 22 is fixedly connected to a grinding plate 23, so that the height of the grinding plate 23 can be adjusted conveniently through the electro-hydraulic push rod 21.

[0031] like Figure 5 As shown, a limiting rod 312 is fixedly connected to the surface of the mounting frame 310, a second limiting groove 313 is provided on the surface of the adjusting plate 311, and the limiting rod 312 is located inside the second limiting groove 313. The rotation of the adjusting plate 311 is limited by the second limiting groove 313 and the limiting rod 312, thereby improving the stability of the adjusting plate 311 during rotation.

[0032] like Figure 5 As shown, the surface of the fixed plate 33 is rotatably connected to a No. 3 electro-hydraulic push rod 34, one end of the No. 3 electro-hydraulic push rod 34 is rotatably connected to a connecting shaft 35, and the connecting shaft 35 is fixedly connected to one side of the adjustment plate 311. The No. 3 electro-hydraulic push rod 34 pushes the connecting shaft 35 to move, so as to facilitate the adjustment of the adjustment plate 311.

[0033] like Figure 5 As shown, a first limiting groove 36 is provided on the surface of the fixing plate 33, and the connecting shaft 35 is located inside the first limiting groove 36. The first limiting groove 36 can limit the moving trajectory of the connecting shaft 35 to improve the stability of the movement of the connecting shaft 35.

[0034] like Figure 5 As shown, a cylinder 37 is fixedly connected to the lower part of the fixed plate 33 , and a push plate 38 is fixedly connected to one end of the cylinder 37 , so that the push plate 38 can be pushed by the cylinder 37 .

[0035] The use method and working principle of the device are as follows: the servo motor 14 drives the screw rod 17 to rotate, and the screw rod 17 drives the screw rod 17 to move under the rotation of the screw rod 17, thereby driving the feeding mechanism 3 to move. After the clamping plate 317 is moved to the material taking position, the clamping plate 317 is lowered to a suitable height by extending the second electro-hydraulic push rod 32. At this time, the third electro-hydraulic push rod 34 is extended to push the connecting shaft 35 to slide along the first limit groove 36. Under the driving action of the connecting shaft 35, the adjusting plate 311 is swung, thereby driving the connecting shaft 35 to move the adjusting plate 31 ... The rod 314 pulls the swing plate 315 to expand along the surface of the mounting frame 310, and the second fixing frame 316 and the clamping plate 317 are lowered and stretched under the driving effect of the swing plate 315. The piston ring body 4 is supported and tightened from the inside by the clamping plate 317 and the anti-skid rubber pad 318, which is convenient for taking the piston ring body 4. Then, the servo motor 14 rotates to move the piston ring body 4 to the top of the third limiting groove 39, and then the cylinder 37 is extended to push the push plate 38 to push the piston ring body 4 into the third limiting groove 39.

[0036] Then, the servo motor 14 is rotated to move the grinding mechanism 2 to above the piston ring body 4, and then the No. 1 electro-hydraulic push rod 21 is extended to push the grinding motor 22 and the grinding plate 23 to move downward, and the grinding plate 23 is moved to the surface of the piston ring body 4. The grinding motor 22 is turned on to drive the grinding plate 23 to grind and trim the piston ring body 4. In the process of grinding the piston ring body 4, the piston ring body 4 is limited as a whole by the No. 3 limiting groove 39, and the deformation of the piston ring body 4 is limited.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A piston ring trimming machine, comprising an adjusting mechanism (1), a grinding mechanism (2) being mounted on the surface of the adjusting mechanism (1), a feeding mechanism (3) being arranged on one side of the grinding mechanism (2), characterized in that: The adjustment mechanism (1) comprises an operating table (11), a first fixing frame (12) being fixedly connected to the upper portion of the operating table (11), a slide rail (13) being fixedly connected to the surface of the first fixing frame (12), a first sliding block (15) being slidably connected inside the slide rail (13), and a second sliding block (16) being slidably connected inside the slide rail (13); The feeding mechanism (3) comprises a No. 2 electro-hydraulic push rod (32) and a limit plate (31), wherein the No. 2 electro-hydraulic push rod (32) is fixedly connected to the bottom of the No. 2 sliding block (16), and one end of the No. 2 electro-hydraulic push rod (32) is fixedly connected to a fixed plate (33), the limit plate (31) is fixedly connected to the surface of the operating table (11), and a No. 3 limit groove (39) is provided on the surface of the limit plate (31), the lower part of the fixed plate (33) is fixedly connected to a mounting frame (310), and the lower part of the mounting frame (310) is rotatably connected to an adjustment plate (311), The adjusting plate (311) is rotatably connected to a connecting rod (314), one end of which is rotatably connected to a swing plate (315), one end of which is rotatably connected to a mounting frame (310), and a second fixing frame (316) is fixedly connected to the surface of the swing plate (315), one end of which is fixedly connected to a clamping plate (317), and a side surface of the clamping plate (317) is fixedly connected to an anti-skid rubber pad (318), and a piston ring body (4) is bonded to the surface of the anti-skid rubber pad (318).

2. A piston ring trimming machine according to claim 1, characterized in that: One end of the slide rail (13) is fixedly connected to a servo motor (14), an output end of the servo motor (14) is fixedly connected to a lead screw (17), the lead screw (17) is threadedly connected to the first slider (15), and the lead screw (17) is threadedly connected to the first slider (15).

3. The piston ring trimming machine according to claim 1, characterized in that: The grinding mechanism (2) comprises a No. 1 electro-hydraulic push rod (21), the No. 1 electro-hydraulic push rod (21) being fixedly connected to the bottom of the No. 1 slider (15), and one end of the No. 1 electro-hydraulic push rod (21) being fixedly connected to a grinding motor (22), and an output end of the grinding motor (22) being fixedly connected to a grinding plate (23).

4. The piston ring trimming machine according to claim 1, characterized in that: A limiting rod (312) is fixedly connected to the surface of the mounting frame (310), a second limiting groove (313) is provided on the surface of the adjustment plate (311), and the limiting rod (312) is located inside the second limiting groove (313).

5. The piston ring trimming machine according to claim 1, characterized in that: A third electro-hydraulic push rod (34) is rotatably connected to the surface of the fixed plate (33), one end of the third electro-hydraulic push rod (34) is rotatably connected to a connecting shaft (35), and the connecting shaft (35) is fixedly connected to one side of the adjustment plate (311).

6. A piston ring trimming machine according to claim 5, characterized in that: A first limiting groove (36) is provided on the surface of the fixing plate (33), and the connecting shaft (35) is located inside the first limiting groove (36).

7. The piston ring trimming machine according to claim 1, characterized in that: The lower part of the fixed plate (33) is fixedly connected to a cylinder (37), and one end of the cylinder (37) is fixedly connected to a push plate (38).

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