A piston ring trimming machine

Abstract

This utility model discloses a piston ring trimming machine, relating to the field of trimming machine technology. It includes a worktable, the upper surface of which is provided with a debris collection groove, a trimming unit, a limiting unit, a feeding unit, and a loading unit. The beneficial effects are that the first and second electric telescopic mechanisms drive the arc-shaped top plate to simultaneously horizontally clamp the inner and outer sides of piston rings of different sizes, and apply a downward inclined force to the piston rings, effectively improving the stability of the piston ring clamping, preventing piston ring movement during trimming, and ensuring the quality of piston ring trimming. The disc spring assembly and protective pads ensure that the arc-shaped top plate buffers contact with the piston rings. A pressure detection mechanism detects the force exerted by the arc-shaped top plate on the piston rings, thereby stably clamping the piston rings and avoiding damage during clamping, ensuring the processing quality of the piston rings.

Description

Technical Field

[0001] This utility model relates to the field of end-cutting machine technology, and in particular to an end-cutting machine for piston ring processing. Background Technology

[0002] Piston rings are widely used in various power machinery, such as steam engines, diesel engines, gasoline engines, compressors, and hydraulic presses. After the initial machining of the piston ring, the outer wall of the cut is relatively rough and needs to be processed by a finishing machine.

[0003] A search revealed that Chinese patent application CN222741156U discloses a finishing machine for processing automotive piston rings. It mainly uses the cooperation between bevel gear one, bevel gear two, threaded rod, rotating shaft, pressing plate, snap-fit ​​part and snap-fit ​​plate to fix the cut end of piston rings of different sizes, thus preventing the piston ring cut end from shaking.

[0004] Compared with existing technologies in related fields, it can be seen that existing finishing machines mostly use fixed fixtures when finishing piston rings. Different fixtures need to be changed when processing different piston rings, resulting in poor adaptability. At the same time, most existing fixtures are rigid structures, and rigid clamping can easily damage piston rings and affect their quality. Utility Model Content

[0005] The purpose of this invention is to provide a finishing machine for piston ring processing in order to solve the above-mentioned problems.

[0006] This utility model achieves the above objectives through the following technical solutions:

[0007] A piston ring trimming machine includes a worktable. The upper surface of the worktable is provided with a debris collection groove, a trimming unit, a limiting unit, a feeding unit, and a loading unit. The trimming unit is located directly above the debris collection groove. The trimming unit, the limiting unit, the feeding unit, and the loading unit are arranged in sequence.

[0008] The limiting unit includes a first bracket, which is fixedly mounted on a workbench. A first pneumatic telescopic mechanism is fixedly mounted on the first bracket. A first mounting frame is fixedly mounted on the telescopic end of the first pneumatic telescopic mechanism. A first placement frame and a second placement frame are fixedly mounted on the first mounting frame. A first electric telescopic mechanism is fixedly arranged on the first placement frame. The second placement frame is located on both sides of the first placement frame. A second electric telescopic mechanism is fixedly arranged on the second placement frame. A pressure detection mechanism is fixedly mounted on the telescopic ends of both the first and second electric telescopic mechanisms. A disc spring assembly is fixedly mounted on the pressure detection mechanism. An arc-shaped top plate is fixedly mounted on the disc spring assembly. The arc-shaped top plate is wider at the top and narrower at the bottom.

[0009] Furthermore, a protective pad is fixedly installed on the curved top plate.

[0010] Furthermore, the finishing unit includes a second bracket, which is fixedly installed on the upper surface of the workbench. A second pneumatic telescopic mechanism is fixedly installed on the second bracket. A second mounting bracket is fixedly installed on the telescopic end of the second pneumatic telescopic mechanism. A grinding wheel mechanism is fixedly installed on the second mounting bracket.

[0011] Furthermore, the feeding unit includes a third mounting frame, which is fixedly mounted on the workbench. A lifting mechanism is fixedly mounted on the third mounting frame, a crossbeam is fixedly mounted on the lifting mechanism, a baffle and a third placement frame are fixedly mounted on the crossbeam, an adjustment component is fixedly mounted on the third placement frame, a movable plate is fixedly mounted on the adjustment component, and a guide plate is fixedly mounted on the movable plate. Both the movable plate and the baffle are arc-shaped.

[0012] Furthermore, a third electric telescopic mechanism is fixedly installed on the crossbeam, and a pressure plate is fixedly installed on the telescopic end of the third electric telescopic mechanism. The pressure plate is slidably connected to the baffle.

[0013] Furthermore, the feeding unit includes a vertical plate, which is fixedly installed on the workbench. A third pneumatic telescopic mechanism is fixedly installed on the vertical plate, and a pusher plate is fixedly installed on the telescopic end of the third pneumatic telescopic mechanism. The pusher plate is slidably connected to the lower surface of the baffle and the movable plate.

[0014] Furthermore, a spraying mechanism is fixedly installed on the upper surface of the second placement frame, and the spraying mechanism is located on both sides of the grinding wheel mechanism.

[0015] The advantages compared to existing technologies are as follows:

[0016] 1. The first and second electric telescopic mechanisms drive the arc-shaped top plate to simultaneously clamp the inner and outer sides of piston rings of different sizes horizontally, and apply a downward inclined force to the piston rings, effectively improving the stability of piston ring clamping, preventing piston ring movement during the finishing process, and ensuring the quality of piston ring finishing. The disc spring assembly and protective pads allow the arc-shaped top plate to buffer contact with the piston rings. The pressure detection mechanism detects the force exerted by the arc-shaped top plate on the piston rings, thereby stabilizing the piston ring clamping and avoiding damage to the piston rings during clamping, ensuring the quality of piston ring processing.

[0017] 2. The piston rings are limited and guided by the guide plate, movable plate and baffle, so that the opening direction of the piston rings is always consistent, which facilitates feeding and trimming. The piston rings are pushed and fed by the third pneumatic telescopic mechanism and the pusher plate, thereby realizing automatic feeding of piston rings and improving the efficiency of trimming. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a first isometric structural schematic diagram of a piston ring processing trimming machine according to the present invention;

[0020] Figure 2 This is a schematic diagram of the second isometric structure of a piston ring processing trimming machine according to the present invention;

[0021] Figure 3 This is a schematic diagram of the limiting unit structure of a piston ring trimming machine according to the present invention;

[0022] Figure 4 This utility model describes a piston ring trimming machine. Figure 3 Enlarged structural diagram at point A in the middle;

[0023] Figure 5 This utility model describes a piston ring trimming machine. Figure 3 Enlarged structural diagram at point B;

[0024] Figure 6 This is a schematic diagram of the feeding unit structure of a piston ring trimming machine according to the present invention;

[0025] Figure 7 This is a partial cross-sectional structural diagram of a piston ring trimming machine according to the present invention;

[0026] Figure 8 This utility model describes a piston ring trimming machine. Figure 7 Enlarged structural diagram at point C.

[0027] The annotations in the attached figures are explained as follows:

[0028] 1. Workbench; 2. Collection trough; 301. First support; 302. First pneumatic telescopic mechanism; 303. First mounting frame; 304. First placement frame; 305. First electric telescopic mechanism; 306. Pressure detection mechanism; 307. Disc spring assembly; 308. Arc-shaped top plate; 309. Protective pad; 310. Second placement frame; 311. Second electric telescopic mechanism; 401. Second support; 402. Second pneumatic telescopic mechanism; 403. Second mounting frame; 404. Grinding wheel mechanism; 501. Vertical plate; 502. Third pneumatic telescopic mechanism; 503. Pusher plate; 601. Third mounting frame; 602. Lifting mechanism; 603. Crossbeam; 604. Third electric telescopic mechanism; 605. Pressure plate; 606. Baffle; 607. Third placement frame; 608. Movable plate; 609. Guide plate; 610. Adjustment assembly; 7. Spraying mechanism. Detailed Implementation

[0029] like Figures 1-8 As shown, a piston ring trimming machine includes a worktable 1. The upper surface of the worktable 1 is provided with a debris collection groove 2, a trimming unit, a limiting unit, a feeding unit, and a loading unit. The trimming unit is located directly above the debris collection groove 2. The trimming unit, the limiting unit, the feeding unit, and the loading unit are arranged in sequence. The lower end of the debris collection groove 2 is connected to an external recycling device to facilitate the collection and processing of debris during the trimming process. The feeding unit feeds the piston rings, and the loading unit loads the piston rings to move them to the processing position. The limiting unit limits and clamps the piston rings to improve their stability. The trimming unit corrects the opening of the piston rings. When the loading unit loads the piston rings, it can unload the trimmed piston rings, effectively improving production efficiency.

[0030] like Figures 1-5 , Figure 7As shown, the limiting unit includes a first bracket 301, which is fixedly mounted on the workbench 1. A first pneumatic telescopic mechanism 302 is fixedly mounted on the first bracket 301. A first mounting frame 303 is fixedly mounted on the telescopic end of the first pneumatic telescopic mechanism 302. A first placement frame 304 and a second placement frame 310 are fixedly mounted on the first mounting frame 303. A first electric telescopic mechanism 305 is fixedly arranged on the first placement frame 304. The second placement frame 310 is located on both sides of the first placement frame 304. A second electric telescopic mechanism 311 is fixedly arranged on the second placement frame 310. Both the telescopic ends of the first electric telescopic mechanism 305 and the second electric telescopic mechanism 311 are... A pressure detection mechanism 306 is fixedly installed, and a disc spring assembly 307 is fixedly installed on the pressure detection mechanism 306. An arc-shaped top plate 308 is fixedly installed on the disc spring assembly 307. The arc-shaped top plate 308 is wider at the top and narrower at the bottom. The first pneumatic telescopic mechanism 302, the first electric telescopic mechanism 305, the second electric telescopic mechanism 311, and the pressure detection mechanism 306 operate using existing technology. The piston ring is fed to the processing position by the feeding unit. The piston ring is located directly below the first placement frame 304. The first pneumatic telescopic mechanism 302 drives the first mounting frame 303 to move and descend. The first mounting frame 303 drives the first placement frame 304 and the second placement frame 310 to move and descend. The lowering mechanism causes the lower ends of the first placement bracket 304 and the second placement bracket 310 to move to the end face of the worktable 1. At this time, the first placement bracket 304 and the second placement bracket 310 are located on the outer and inner sides of the piston ring, respectively. The first electric telescopic mechanism 305 and the second electric telescopic mechanism 311 drive the arc-shaped top plate 308 to move through the pressure detection mechanism 306 and the disc spring assembly 307, respectively, so that the arc-shaped top plate 308 moves to the piston ring, which can clamp and fix piston rings of different sizes. Since the arc-shaped top plate 308 is wide at the top and narrow at the bottom, while horizontally clamping the piston ring, the arc-shaped top plate 308 can apply a downward inclined force to the piston ring. The arc-shaped top plates 308 on the movable telescopic mechanism 305 and the second electric telescopic mechanism 311 provide internal and external support for the piston rings, effectively improving the stability of the piston ring clamping, preventing the piston rings from moving during the finishing process, and ensuring the quality of the piston ring finishing process. During the clamping process of the piston rings, the arc-shaped top plate 308 buffers the contact with the piston rings through the disc spring assembly 307, avoiding damage to the piston rings caused by hard contact. At the same time, the pressure detection mechanism 306 detects the force exerted by the arc-shaped top plate 308 on the piston rings, thereby stably clamping the piston rings, avoiding damage to the piston rings during clamping, and ensuring the processing quality of the piston rings.

[0031] like Figure 4 , Figure 5As shown, a protective pad 309 is fixedly installed on the arc-shaped top plate 308. The protective pad 309 improves the anti-slip properties of the arc-shaped top plate 308, allowing the arc-shaped top plate 308 to better support and limit the piston rings, preventing the piston rings from sliding during processing. At the same time, the protective pad 309 protects the piston rings.

[0032] like Figure 1 , Figure 2 , Figure 7 As shown, the finishing unit includes a second bracket 401, which is fixedly installed on the upper surface of the workbench 1. A second pneumatic telescopic mechanism 402 is fixedly installed on the second bracket 401. A second mounting bracket 403 is fixedly installed on the telescopic end of the second pneumatic telescopic mechanism 402. A grinding wheel mechanism 404 is fixedly installed on the second mounting bracket 403. The second pneumatic telescopic mechanism 402 and the grinding wheel mechanism 404 operate using existing technology. The second pneumatic telescopic mechanism 402 drives the grinding wheel mechanism 404 to move up and down through the second mounting bracket 403. The grinding wheel mechanism 404 performs finishing processing on the opening of the piston ring to ensure the processing quality of the piston ring.

[0033] like Figure 1 , Figure 2 , Figures 6-8As shown, the feeding unit includes a third mounting frame 601, which is fixedly mounted on the workbench 1. A lifting mechanism 602 is fixedly mounted on the third mounting frame 601. A crossbeam 603 is fixedly mounted on the lifting mechanism 602. A baffle 606 and a third placement frame 607 are fixedly mounted on the crossbeam 603. An adjusting component 610 is fixedly mounted on the third placement frame 607. A movable plate 608 is fixedly mounted on the adjusting component 610. A guide plate 609 is fixedly mounted on the movable plate 608. Both the movable plate 608 and the baffle 606 are arc-shaped. The lifting mechanism 602 and the adjusting component 610 operate using existing technology. Based on the thickness of the piston rings, the lifting mechanism 602 drives the crossbeam 603 to move up and down, and the crossbeam 603 drives the baffle 606 and the third placement frame 607 to move up and down, thereby adjusting the movable plate 608 and the baffle 609. The height of plate 606 from worktable 1 allows the piston ring to move within the gap between movable plate 608, baffle 606 and worktable 1, facilitating the feeding of piston rings of different sizes. Based on the piston ring size, the distance of movable plate 608 is adjusted via adjusting component 610, placing the piston ring requiring end trimming between movable plate 608 and baffle 606. The opening of the piston ring slides and engages with guide plate 609. Guide plate 609, movable plate 608 and baffle 606 work together to limit and guide the piston ring. The piston ring slides out through the lower ends of movable plate 608 and baffle 606. Guide plate 609 ensures the opening direction of the piston ring remains consistent, facilitating end trimming. The feeding unit pushes the slid-out piston ring for feeding, thus achieving automatic piston ring feeding and improving the efficiency of end trimming.

[0034] like Figure 1 , Figure 2 , Figures 6-8 A third electric telescopic mechanism 604 is fixedly installed on the crossbeam 603. A pressure plate 605 is fixedly installed on the telescopic end of the third electric telescopic mechanism 604. The pressure plate 605 is slidably connected to the baffle 606. The third electric telescopic mechanism 604 operates using existing technology. During the piston ring trimming process, the pressure plate 605 is moved by the third electric telescopic mechanism 604 to adjust the height of the pressure plate 605 on the baffle 606. The pressure plate 605 pushes the piston ring inside the baffle 606 to prevent the piston ring from getting stuck on the baffle 606 and affecting the feeding, thus ensuring the efficiency of piston ring feeding.

[0035] like Figure 1 , Figure 2 , Figure 7As shown, the feeding unit includes a vertical plate 501, which is fixedly installed on the workbench 1. A third pneumatic telescopic mechanism 502 is fixedly installed on the vertical plate 501. A pusher plate 503 is fixedly installed on the telescopic end of the third pneumatic telescopic mechanism 502. The pusher plate 503 is slidably connected to the lower surface of the baffle 606 and the movable plate 608. The third pneumatic telescopic mechanism 502 operates using existing technology. The pusher plate 503 is moved by the third pneumatic telescopic mechanism 502, and the pusher plate 503 pushes the piston rings at the lower end of the baffle 606 and the movable plate 608, so that the piston rings move to the limiting unit and can unload the piston rings after the trimming is completed, thereby completing the automatic loading and unloading of piston rings and improving the efficiency of trimming.

[0036] like Figure 3 , Figure 5 As shown, a spraying mechanism 7 is fixedly installed on the upper surface of the second placement frame 310. The spraying mechanism 7 is located on both sides of the grinding wheel mechanism 404. The spraying mechanism 7 operates using existing technology. The spraying mechanism 7 is connected to an external coolant delivery device. When repairing the opening of the piston ring, the external coolant delivery device delivers coolant to the spraying mechanism 7 and sprays it onto the contact position between the grinding wheel mechanism 404 and the piston ring, thereby cooling the piston ring and the grinding wheel mechanism 404 and preventing the temperature rise from affecting the quality of the grinding wheel mechanism 404 and the piston ring. At the same time, the sprayed coolant flushes out the debris during repair, ensuring the quality of the repair.

[0037] Working principle: such as Figure 1 , Figure 2 , Figures 6-8 As shown, based on the thickness of the piston ring, the lifting mechanism 602 drives the crossbeam 603 to move up and down, and the crossbeam 603 drives the baffle 606 and the third placement frame 607 to move up and down, thereby adjusting the height of the movable plate 608 and the baffle 606 from the worktable 1. Based on the size of the piston ring, the distance of the movable plate 608 is adjusted by the adjusting component 610, and the piston ring that needs to be trimmed is placed between the movable plate 608 and the baffle 606, so that the opening of the piston ring slides and engages with the guide plate 609. The third electric telescopic mechanism 604 drives the pressure plate 605 to move, and the pressure plate 605 pushes the piston ring in the baffle 606, so that the piston ring at the lower end of the movable plate 608 and the baffle 606 moves to the worktable 1.

[0038] like Figure 1 , Figure 2 , Figure 7 As shown, the third pneumatic telescopic mechanism 502 drives the pusher plate 503 to move, and the pusher plate 503 pushes the piston ring at the lower end of the baffle 606 and the movable plate 608, so that the piston ring moves to the trimming position.

[0039] like Figures 1-5 , Figure 7 As shown, the first pneumatic telescopic mechanism 302 drives the first mounting frame 303 to move and descend. The first mounting frame 303 drives the first placement frame 304 and the second placement frame 310 to move and descend, so that the lower ends of the first placement frame 304 and the second placement frame 310 move to the end face of the worktable 1. The first electric telescopic mechanism 305 and the second electric telescopic mechanism 311 drive the arc-shaped top plate 308 to move through the pressure detection mechanism 306 and the disc spring assembly 307, respectively, so that the arc-shaped top plate 308 moves to the piston ring. The arc-shaped top plate 308 clamps and fixes the piston ring through the protective pad 309. During the process of the arc-shaped top plate 308 clamping the piston ring, the disc spring assembly 307 makes the arc-shaped top plate 308 buffer the contact with the piston ring. At the same time, the pressure detection mechanism 306 detects the force of the arc-shaped top plate 308 clamping the piston ring.

[0040] like Figures 1-3 , Figure 5 , Figure 7 As shown, the second pneumatic telescopic mechanism 402 drives the grinding wheel mechanism 404 to move up and down through the second mounting bracket 403. The grinding wheel mechanism 404 performs finishing processing on the opening of the piston ring. During the processing, the external coolant delivery device delivers coolant to the spraying mechanism 7 and sprays it onto the contact position between the grinding wheel mechanism 404 and the piston ring, thereby cooling the piston ring and the grinding wheel mechanism 404. The sprayed coolant also flushes out the debris during processing. The sprayed coolant is then discharged into the external recovery device through the debris collection tank 2.

[0041] like Figure 1 , Figure 2 , Figure 7 As shown, the third pneumatic telescopic mechanism 502 pushes the piston ring to be processed to the processing position through the pusher plate 503 for finishing processing, and can also unload the piston ring after finishing processing, thus completing the automatic loading and unloading of piston rings.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A piston ring trimming machine, characterized in that, Includes a workbench (1), the upper surface of which is provided with a collection trough (2), a trimming unit, a limiting unit, a feeding unit and a loading unit. The trimming unit is located directly above the collection trough (2), and the trimming unit, the limiting unit, the feeding unit and the loading unit are arranged in sequence. The limiting unit includes a first bracket (301), which is fixedly mounted on the workbench (1). A first pneumatic telescopic mechanism (302) is fixedly mounted on the first bracket (301). A first mounting frame (303) is fixedly mounted on the telescopic end of the first pneumatic telescopic mechanism (302). A first placement frame (304) and a second placement frame (310) are fixedly mounted on the first mounting frame (303). A first electric telescopic mechanism (305) is fixedly arranged on the first placement frame (304). Two placement racks (310) are located on both sides of the first placement rack (304). A second electric telescopic mechanism (311) is fixedly arranged on the second placement rack (310). A pressure detection mechanism (306) is fixedly installed on the telescopic ends of the first electric telescopic mechanism (305) and the second electric telescopic mechanism (311). A disc spring assembly (307) is fixedly installed on the pressure detection mechanism (306). An arc-shaped top plate (308) is fixedly installed on the disc spring assembly (307). The arc-shaped top plate (308) is wider at the top and narrower at the bottom.

2. The piston ring trimming machine according to claim 1, characterized in that: A protective pad (309) is fixedly installed on the arc-shaped top plate (308).

3. A piston ring trimming machine according to claim 1, characterized in that: The finishing unit includes a second bracket (401), which is fixedly installed on the upper surface of the workbench (1). A second pneumatic telescopic mechanism (402) is fixedly installed on the second bracket (401). A second mounting bracket (403) is fixedly installed on the telescopic end of the second pneumatic telescopic mechanism (402). A grinding wheel mechanism (404) is fixedly installed on the second mounting bracket (403).

4. A piston ring trimming machine according to claim 1, characterized in that: The feeding unit includes a third mounting frame (601), which is fixedly mounted on the workbench (1). A lifting mechanism (602) is fixedly mounted on the third mounting frame (601). A crossbeam (603) is fixedly mounted on the lifting mechanism (602). A baffle (606) and a third placement frame (607) are fixedly mounted on the crossbeam (603). An adjusting component (610) is fixedly mounted on the third placement frame (607). A movable plate (608) is fixedly mounted on the adjusting component (610). A guide plate (609) is fixedly mounted on the movable plate (608). Both the movable plate (608) and the baffle (606) are arc-shaped.

5. A piston ring trimming machine according to claim 4, characterized in that: A third electric telescopic mechanism (604) is fixedly installed on the crossbeam (603), and a pressure plate (605) is fixedly installed on the telescopic end of the third electric telescopic mechanism (604). The pressure plate (605) is slidably connected to the baffle (606).

6. A piston ring trimming machine according to claim 4, characterized in that: The feeding unit includes a vertical plate (501), which is fixedly installed on the workbench (1). A third pneumatic telescopic mechanism (502) is fixedly installed on the vertical plate (501). A pusher plate (503) is fixedly installed on the telescopic end of the third pneumatic telescopic mechanism (502). The pusher plate (503) is slidably connected to the lower surface of the baffle (606) and the movable plate (608).

7. A piston ring trimming machine according to claim 3, characterized in that: A spraying mechanism (7) is fixedly installed on the upper surface of the second placement frame (310), and the spraying mechanism (7) is located on both sides of the grinding wheel mechanism (404).

Images