Clamping mechanism of crankshaft grinding machine

Abstract

The utility model relates to the technical field of crankshaft machining, and discloses a clamping mechanism of a crankshaft grinding machine, which comprises a bottom plate, the upper side of the bottom plate is fixedly connected with a fixed cover and a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a push block, the upper side of the push block is fixedly connected with a first connecting plate, and the upper side of the first connecting plate is fixedly connected with a second connecting plate. The upper side of the first connecting plate is fixedly connected with a supporting block, the upper side of the supporting block is fixedly connected with a supporting frame, the lower side of the first connecting plate is fixedly connected with a limiting frame, and the first connecting plate is rotationally connected with a second connecting plate through a first connecting shaft; and the second connecting plate is rotationally connected with a third connecting plate through a second connecting shaft. According to the crankshaft machining fixture, adjustment can be conducted according to the structures and sizes of different crankshafts, the machining requirements of various crankshafts are met, the configuration of the fixture can be adjusted according to the machining requirements of the different crankshafts, and the practicability of the crankshaft machining fixture is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft processing technical field especially, it relates to a clamping mechanism of crankshaft grinding machine. BACKGROUND

[0002] Crankshaft is one of the most important components in internal combustion engine, and it bears the function of converting the reciprocating motion of piston into rotary motion. In order to ensure the accuracy and performance of crankshaft, the manufacturing and processing process of crankshaft needs strict precision control, and one of the key steps is grinding. During the grinding process of crankshaft, clamping technology is crucial to the processing quality of crankshaft. In order to ensure the processing accuracy, efficiency and stability of crankshaft, suitable clamping mechanism is crucial.

[0003] Traditional crankshaft grinder clamping mechanism usually adopts fixed or simple clamp design, which can meet the processing needs of some common crankshafts, but for crankshafts with different structures and sizes, there are often problems such as unstable clamping and inflexible adjustment. This not only reduces the processing efficiency, but also easily leads to the error of processing accuracy. With the diversification of crankshaft types and processing requirements, the adaptability and flexibility of traditional clamp gradually show its shortcomings. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a clamping mechanism of crankshaft grinder, which aims at improving the problem of unstable clamping and inflexible adjustment for crankshafts with different structures and sizes in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamping mechanism of crankshaft grinder, comprising a bottom plate, the upper side of the bottom plate is fixedly connected with a fixed cover, the upper side of the bottom plate is fixedly connected with a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a push block, the upper side of the push block is fixedly connected with a first connecting plate, the upper side of the first connecting plate is fixedly connected with a supporting block, the upper side of the supporting block is fixedly connected with a supporting frame, the lower side of the first connecting plate is fixedly connected with a limiting frame, the first connecting plate is rotatably connected with a second connecting plate through a first connecting shaft, the second connecting plate is rotatably connected with a third connecting plate through a second connecting shaft, the rear side of the third connecting plate is fixedly connected with a connecting assembly, and the connecting assembly is used to drive the clamping assembly to move.

[0006] As a further description of the above technical scheme:

[0007] The connecting assembly comprises a rotating shaft, the rotating shaft is fixedly connected at the rear side of the third connecting plate, the rotating shaft is rotatably connected at the upper side of the bottom plate, and the rear side of the rotating shaft is fixedly connected with the third connecting plate.

[0008] As a further description of the above technical scheme:

[0009] The side close to one side of the support frame is fixedly connected with a mounting block, the side close to one side of the mounting block is provided with a plug-in slot, the inside of the plug-in slot is slidably connected with a plug-in block, the side close to one side of the plug-in block is fixedly connected with a clamping plate, and the inside of the plug-in block is fixedly connected with a dismounting assembly on both sides.

[0010] As a further description of the above technical solution:

[0011] The dismounting assembly comprises a telescopic rod, the telescopic rod is fixedly connected inside both sides of the plug-in block, the outside of the telescopic rod is provided with a spring, the output end of the telescopic rod is fixedly connected with a clamping plate, and the clamping plate is slidably connected inside the plug-in slot.

[0012] As a further description of the above technical solution:

[0013] One end of the spring is fixedly connected inside both sides of the plug-in block, and the other end of the spring is fixedly connected to the rear of both sides of the clamping plate.

[0014] As a further description of the above technical solution:

[0015] The side close to one side of the clamping plate is fixedly connected with an antiskid pad.

[0016] As a further description of the above technical solution:

[0017] The upper sides of both sides of the fixed cover are provided with a sliding groove, and the inside of the sliding groove is slidably connected with a supporting block.

[0018] As a further description of the above technical solution:

[0019] The upper sides of both sides of the bottom plate are fixedly connected with a limiting strip, and the upper side of the limiting strip is slidably connected with a limiting frame.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 in the utility model, the push block, the first connecting plate, the supporting block and the clamping plate are driven to move through the starting hydraulic rod, the first connecting plate moves to drive the first connecting shaft, the second connecting plate, the second connecting shaft and the third connecting plate to move, and then drives the rotating shaft to rotate, which realizes the adjustment according to the structure and size of different crankshafts, and adapts to the machining requirement of various crankshafts.

[0022] 2、 in the utility model, the clamping plate is separated from the plug-in slot by manually pushing, the telescopic rod and the spring are extruded by the movement of the clamping plate, and then the plug-in block is separated from the plug-in slot by manually moving the clamping plate, which realizes the adjustment of the fixture configuration according to different crankshaft machining requirements, and improves the practicability. DRAWINGS

[0023] Figure 1 A perspective view of a clamping mechanism of a crankshaft grinding machine is provided for the utility model;

[0024] Figure 2 A driving assembly structure diagram of a clamping mechanism of a crankshaft grinding machine is provided for the utility model;

[0025] Figure 3 A partial structure split diagram of a clamping mechanism of a crankshaft grinding machine is provided for the utility model;

[0026] Figure 4 A cross-sectional view of a plug-in block of a clamping mechanism of a crankshaft grinding machine is provided for the utility model.

[0027] Legend:

[0028] 1, bottom plate; 2, fixed cover; 3, hydraulic rod; 4, push block; 5, first connecting plate; 6, first connecting shaft; 7, clamping plate; 8, support block; 9, support frame; 10, limiting frame; 11, limiting strip; 12, second connecting plate; 13, second connecting shaft; 14, third connecting plate; 15, rotating shaft; 16, sliding slot; 17, mounting block; 18, plug-in slot; 19, plug-in block; 20, clamping plate; 21, non-slip pad; 22, telescopic rod; 23, spring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Refer to Figure 1 , Figure 2This utility model provides an embodiment of a crankshaft grinding machine clamping mechanism, including a base plate 1, a fixed cover 2 fixedly connected to the upper side of the base plate 1, a hydraulic rod 3 fixedly connected to the upper side of the base plate 1, a push block 4 fixedly connected to the output end of the hydraulic rod 3, a first connecting plate 5 fixedly connected to the upper side of the push block 4, a support block 8 fixedly connected to the upper side of the first connecting plate 5, a support frame 9 fixedly connected to the upper side of the support block 8, a limit frame 10 fixedly connected to the lower side of the first connecting plate 5, a second connecting plate 12 rotatably connected to the first connecting plate 5 via a first connecting shaft 6, a third connecting plate 14 rotatably connected to the second connecting plate 12 via a second connecting shaft 13, and a connecting assembly fixedly connected to the rear side of the third connecting plate 14. The connecting assembly is used to drive the clamping assembly to move. The connecting assembly includes a rotating shaft 15, which is fixedly connected to the rear side of the third connecting plate 14 and rotatably connected to the upper side of the base plate 1. The rear side of the rotating shaft 15 is fixedly connected to the third connecting plate 14.

[0031] By activating the hydraulic rod 3, the push block 4, the first connecting plate 5, the support block 8 and the clamping plate 20 are moved. At the same time, the movement of the first connecting plate 5 drives the first connecting shaft 6, the second connecting plate 12, the second connecting shaft 13 and the third connecting plate 14 to move, which in turn drives the rotating shaft 15 to rotate, thus enabling adjustment according to the structure and size of different crankshafts.

[0032] Reference Figure 1 - Figure 4 A mounting block 17 is fixedly connected to the adjacent side of the support frame 9. A plug-in groove 18 is opened on the adjacent side of the mounting block 17. A plug-in block 19 is slidably connected inside the plug-in groove 18. A clamping plate 20 is fixedly connected to the adjacent side of the plug-in block 19. Disassembly and assembly components are fixedly connected to both sides of the inside of the plug-in block 19. The disassembly and assembly components are used to disassemble and assemble the clamping plate 20. The disassembly and assembly components include a telescopic rod 22. The telescopic rod 22 is fixedly connected to both sides of the inside of the plug-in block 19. A spring 23 is sleeved on the outside of the telescopic rod 22. A locking plate 7 is fixedly connected to the output end of the telescopic rod 22. The locking plate 7 is slidably connected inside the plug-in groove 18.

[0033] By manually pushing the clamping plate 7 out of the insertion slot 18, the clamping plate 7 moves to squeeze the telescopic rod 22 and the spring 23. Then, by manually moving the clamping plate 20, the insertion block 19 is driven out of the insertion slot 18, which can adjust the fixture configuration according to different crankshaft processing requirements.

[0034] Reference Figure 1 , Figure 2 , Figure 4One end of the spring 23 is fixedly connected to the inside of the plug-in block 19, and the other end of the spring 23 is fixedly connected to the rear of the clamping plate 7; the side of the clamping plate 20 close to each other is fixedly connected with the anti-skid pad 21; the upper part of the fixed cover 2 is provided with the sliding groove 16, and the sliding groove 16 is slidably connected with the supporting block 8; the upper part of the bottom plate 1 is fixedly connected with the limiting strip 11, and the upper side of the limiting strip 11 is slidably connected with the limiting frame 10.

[0035] The spring 23 is fixedly connected to the inside of the plug-in block 19, and the other end of the spring 23 is fixedly connected to the rear of the clamping plate 7, which plays a supporting and limiting role on the clamping plate 7; the side of the clamping plate 20 close to each other is fixedly connected with the anti-skid pad 21, which plays a role in preventing slipping during clamping; the upper part of the fixed cover 2 is provided with the sliding groove 16, and the sliding groove 16 is slidably connected with the supporting block 8, which plays a supporting and limiting role on the supporting block 8; the upper part of the bottom plate 1 is fixedly connected with the limiting strip 11, and the upper side of the limiting strip 11 is slidably connected with the limiting frame 10, which plays a supporting and limiting role on the first connecting plate 5.

[0036] Working principle: when using the device, the hydraulic rod 3 is started to drive the push block 4 to move, the push block 4 drives the first connecting plate 5 to move, the first connecting plate 5 drives the supporting block 8 to move, so that the supporting block 8 slides in the sliding groove 16, the supporting block 8 drives the supporting frame 9 to move, and then drives the clamping plate 20 to move, at the same time, the first connecting plate 5 drives the second connecting plate 12 connected with the first connecting shaft 6 to move, the second connecting plate 12 drives the third connecting plate 14 connected with the second connecting shaft 13 to move, and then drives the rotating shaft 15 to rotate, which realizes the adjustment according to the structure and size of different crankshafts, and adapts to the machining requirements of various crankshafts; the clamping plate 7 is manually pushed to separate from the plug-in slot 18, and at the same time, the clamping plate 7 is moved to extrude the telescopic rod 22 and the spring 23, and then the clamping plate 20 is manually moved, the clamping plate 20 drives the plug-in block 19 to move, so that the plug-in block 19 is separated from the plug-in slot 18, which realizes the adjustment of the fixture configuration according to different crankshaft machining requirements, and improves the practicability.

[0037] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A clamping mechanism of a crankshaft grinding machine comprising a base plate (1), characterized in that: The upper side of the bottom plate (1) is fixedly connected with a fixed cover (2), the upper side of the bottom plate (1) is fixedly connected with a hydraulic rod (3), the output end of the hydraulic rod (3) is fixedly connected with a push block (4), the upper side of the push block (4) is fixedly connected with a first connecting plate (5), the upper side of the first connecting plate (5) is fixedly connected with a supporting block (8), the upper side of the supporting block (8) is fixedly connected with a supporting frame (9), the lower side of the first connecting plate (5) is fixedly connected with a limiting frame (10), the first connecting plate (5) is rotatably connected with a second connecting plate (12) through a first connecting shaft (6), the second connecting plate (12) is rotatably connected with a third connecting plate (14) through a second connecting shaft (13), the rear side of the third connecting plate (14) is fixedly connected with a connecting assembly, and the connecting assembly is used to drive the clamping assembly to move.

2. A chucking mechanism for a crankshaft grinding machine according to claim 1, characterized in that: The connecting assembly comprises a rotating shaft (15), the rotating shaft (15) is fixedly connected to the rear side of the third connecting plate (14), the rotating shaft (15) is rotatably connected to the upper side of the bottom plate (1), and the rear side of the rotating shaft (15) is fixedly connected with the third connecting plate (14).

3. The chucking mechanism of a crankshaft grinding machine according to claim 1, wherein: The side close to one side of the supporting frame (9) is fixedly connected with a mounting block (17), the side close to one side of the mounting block (17) is provided with a plug-in groove (18), the plug-in groove (18) is slidably connected with a plug-in block (19) in the inside, the side close to one side of the plug-in block (19) is fixedly connected with a clamping plate (20), and both sides of the inside of the plug-in block (19) are fixedly connected with a dismounting assembly.

4. A chucking mechanism for a crankshaft grinding machine according to claim 3, wherein: The dismounting assembly comprises a telescopic rod (22), the telescopic rod (22) is fixedly connected to both sides of the inside of the plug-in block (19), the outside of the telescopic rod (22) is sleeved with a spring (23), the output end of the telescopic rod (22) is fixedly connected with a clamping plate (7), and the clamping plate (7) is slidably connected in the inside of the plug-in groove (18).

5. A chucking mechanism for a crankshaft grinding machine according to claim 4, wherein: One end of the spring (23) is fixedly connected to both sides of the inside of the plug-in block (19), and the other end of the spring (23) is fixedly connected to both sides of the rear of the clamping plate (7).

6. A chucking mechanism for a crankshaft grinding machine according to claim 3, wherein: The side close to one side of the clamping plate (20) is fixedly connected with an antiskid pad (21).

7. The chucking mechanism of a crankshaft grinding machine according to claim 1, wherein: The upper sides of both sides of the fixed cover (2) are provided with a sliding groove (16), and the sliding groove (16) is slidably connected with a supporting block (8) in the inside.

8. The chucking mechanism of a crankshaft grinding machine according to claim 1, wherein: The upper sides of both sides of the bottom plate (1) are fixedly connected with a limiting strip (11), and the limiting strip (11) is slidably connected with a limiting frame (10) on the upper side.

Images