Adjustable crankshaft grinding machine positioning structure

Abstract

The utility model discloses an adjustable crankshaft grinding machine positioning structure, comprising a support plate, a support column and a reciprocating screw rod, the bottom surface of the support plate is fixedly connected to the support column on all sides; a reciprocating screw rod is installed inside the support plate; it also includes: a stabilizing plate is fixedly connected to one side of the top surface of the support plate, and a clamping assembly is arranged in the middle of the top surface of the support plate; wherein the clamping assembly comprises a bottom plate fixedly connected to the support plate; wherein the top surface of the first telescopic rod is fixedly connected to the top plate, and the top surface of the cylinder is fixedly connected to the top plate, and by starting the cylinder on the clamping assembly, the cylinder can drive the clamping plate to clamp the crankshaft, so that the crankshaft can be better ground, and at the same time, through the clamping connection between the clamping rod and the clamping groove, the height of the connecting piece can be adjusted, so that crankshafts of different sizes can be ground, thereby improving the grinding efficiency of the crankshaft.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft grinder positioning structures, in particular to an adjustable crankshaft grinder positioning structure. Background Art

[0002] The crankshaft grinder is the main equipment for machining crankshafts. The crankshaft is machined by dragging it through a fixed rack of the crankshaft grinder, and the crankshaft needs to be centered by the spindle tip of the crankshaft grinder to complete the grinding of the crankshaft.

[0003] Publication No. CN208099969U discloses a crankshaft grinder that is convenient for positioning. By adjusting the rising drive mechanism located on the rising rod, the left clamping assembly is aligned with the left end of the crankshaft, and the right clamping assembly is aligned with the right end of the crankshaft. When the left clamping assembly is aligned with the left end of the crankshaft and the right clamping assembly is aligned with the right end of the crankshaft, the left clamping assembly and the right clamping assembly clamp the crankshaft in the horizontal direction, so that crankshafts of different sizes can be positioned and clamped. However, the patent still has the following problems in actual use:

[0004] By adjusting the lifting drive mechanism on the lifting rod, the left clamping assembly is aligned with the left end of the crankshaft, and the right clamping assembly is aligned with the right end of the crankshaft. However, when the crankshaft is polished, the vibration force generated between the crankshaft and the polishing workpiece will affect the clamping of the crankshaft by the clamping plate. At the same time, the clamping assembly is under vibration for a long time, and parts may become loose, which will reduce the service life of the clamping assembly.

[0005] An adjustable crankshaft grinding machine positioning structure is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide an adjustable crankshaft grinder positioning structure to solve the problem proposed in the above background technology that the left clamping assembly is aligned with the left end of the crankshaft and the right clamping assembly is aligned with the right end of the crankshaft by adjusting the lifting drive mechanism located on the lifting rod. However, when the crankshaft is being ground, the vibration force generated between the crankshaft and the grinding piece will affect the clamping of the crankshaft by the clamping plate. At the same time, the clamping assembly is in vibration for a long time, and parts may become loose, thereby reducing the service life of the clamping assembly.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable crankshaft grinder positioning structure, comprising a support plate, a support column and a reciprocating screw, wherein the bottom surface of the support plate is fixedly connected to the support column around;

[0008] A reciprocating screw rod is installed inside the support plate, and a threaded sleeve is provided on the surface of the reciprocating screw rod;

[0009] Also includes:

[0010] A stabilizing plate is fixedly connected to one side of the top surface of the support plate, and a clamping assembly is arranged in the middle of the top surface of the support plate;

[0011] The clamping assembly includes a bottom plate fixedly connected to the support plate, connecting rods are symmetrically installed on both sides of the top surface of the bottom plate, the top surface of the connecting rod is fixedly connected to the connecting plate, first telescopic rods are symmetrically installed on both sides of the top surface of the bottom plate away from the connecting rod, and a cylinder is fixedly installed in the middle of the top surface of the bottom plate;

[0012] The top surface of the first telescopic rod is fixedly connected with a top plate, the top surface of the cylinder is fixedly connected to the top plate, sliders are fixedly installed on both sides of the surface of the top plate, the surface of the slider is slidably connected with a movable rod, the surface of the movable rod is provided with a sliding groove, the sliding groove is slidably connected to the slider, slide plates are symmetrically installed on both sides of the top surface of the connecting plate, the surface of the slide plate is rotatably connected with a connecting shaft, the surface of the connecting shaft is fixedly connected to the movable rod, the top surface of the slide plate is slidably connected with a sliding block, the surface of the sliding block is fixedly connected with a fixed shaft, the fixed shaft is slidably connected to the movable rod, a sliding groove is provided on one side of the surface of the movable rod close to the top, the sliding groove is slidably connected to the fixed shaft, the top surface of the sliding block is fixedly connected with a clamping plate, and a groove is provided on one side surface of the clamping plate. A fixing plate is fixedly installed inside the groove, and a blocking plate is symmetrically installed on a side surface of the fixing plate away from the groove, a second telescopic rod is fixedly connected to the top surface of the blocking plate, a first spring is sleeved on the surface of the second telescopic rod, a sliding plate is fixedly connected to the top surface of the first spring, and a bottom surface of the first spring is fixedly connected to the blocking plate, a support rod is fixedly connected to a side surface of the sliding plate, a rotating shaft is fixedly connected to a rotating shaft on a side surface of the rotating shaft away from the support rod, a clamping plate is rotatably connected to a rubber plate on a side surface of the clamping plate away from the rotating shaft, a third telescopic rod is fixedly connected to the middle of a side surface of the fixing plate, a side surface of the third telescopic rod away from the fixing plate is fixedly connected to the clamping plate, and the sliding plate is slidably connected to the fixing plate.

[0013] Preferably, a connecting groove is provided in the middle of the surface of the stabilizing plate, a grinding piece is slidably connected inside the connecting groove, and a plurality of clamping grooves are symmetrically provided on both sides of the connecting groove.

[0014] Preferably, a placement groove is provided in the middle of the surface of the support plate, a bearing seat is fixedly installed inside the placement groove, the bearing seat is rotatably connected to the reciprocating screw, and limiting grooves are symmetrically provided on both sides of the placement groove, and a limiting block is slidably connected inside the limiting groove, and the side surface of the limiting block away from the limiting groove is fixedly connected to the threaded sleeve.

[0015] Preferably, a clamping rod is connected through both sides of the interior of the grinding piece, a second spring is fixedly installed on both sides of the bottom surface of the grinding piece, a limiting plate is fixedly connected to the bottom surface of the second spring, the clamping rod is sleeved and connected with the second spring, the clamping rod is connected through and through with the limiting plate, the clamping rod is engaged with the slot, and the limiting plate is fit-connected with the stabilizing plate.

[0016] Preferably, a plurality of movable grooves are symmetrically provided on both sides of the top surface of the connecting plate, and the movable grooves are slidably connected to the movable rods.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the adjustable crankshaft grinder positioning structure can start the cylinder on the clamping assembly so that the cylinder can drive the clamping plate to clamp the crankshaft, so that the crankshaft can be better ground. At the same time, through the clamping connection between the clamping rod and the clamping groove, the height of the connecting piece can be adjusted, so that crankshafts of different sizes can be ground, thereby improving the grinding efficiency of the crankshaft. The specific contents are as follows:

[0018] 1. By starting the cylinder on the clamping assembly, the cylinder drives the top plate to move, and the movement of the top plate drives the slider to rise, and the rise of the slider drives the movable rod to move, so that the movable rod can rotate with the connecting shaft as the center point, so that the clamping plate can position and clamp the crankshaft. At the same time, through the cooperation between the second telescopic rod, the first spring and the rubber plate, the vibration force generated during the grinding of the crankshaft can be buffered, thereby avoiding damage to the clamping assembly;

[0019] 2. By pulling the clamping rod, the clamping rod is separated from the clamping slot, so that the height of the grinding piece can be adjusted, so that the grinding piece can be adjusted according to the size of the crankshaft, so that the crankshaft can be better ground, thereby improving the grinding efficiency of the crankshaft and the production efficiency of the crankshaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall operation structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the clamping plate in the utility model;

[0023] Figure 4 This is a schematic diagram of the top view structure of the support plate in the utility model;

[0024] Figure 5 This is a schematic diagram of the installation structure of the grinding piece in the utility model;

[0025] Figure 6 It is a schematic diagram of the top view structure of the connecting plate in the utility model.

[0026] In the figure: 1, support plate; 2, support column; 3, stabilizing plate; 4, clamping assembly; 401, bottom plate; 402, connecting rod; 403, connecting plate; 404, first telescopic rod; 405, cylinder; 406, top plate; 407, slider; 408, movable rod; 409, slide groove; 410, slide plate; 411, connecting shaft; 412, sliding block; 413, fixed shaft; 414, sliding groove; 415, clamping plate; 5, connecting groove; 6, grinding piece ; 7. Slot; 8. Groove; 9. Fixed plate; 10. Blocking plate; 11. Second telescopic rod; 12. First spring; 13. Sliding plate; 14. Support rod; 15. Rotating shaft; 16. Card plate; 17. Rubber plate; 18. Third telescopic rod; 19. Placement groove; 20. Bearing seat; 21. Reciprocating screw; 22. Threaded sleeve; 23. Limiting groove; 24. Limiting block; 25. Card rod; 26. Second spring; 27. Limiting plate; 28. Movable groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6The utility model provides a technical solution: an adjustable crankshaft grinder positioning structure, comprising a support plate 1, a support column 2 and a reciprocating screw 21, the bottom surface of the support plate 1 is fixedly connected to the support column 2 on all sides; a reciprocating screw 21 is installed inside the support plate 1, and a threaded sleeve 22 is provided on the surface of the reciprocating screw 21; it also includes: a stabilizing plate 3 is fixedly connected to one side of the top surface of the support plate 1, and a clamping assembly 4 is arranged in the middle of the top surface of the support plate 1; wherein the clamping assembly 4 comprises a bottom plate 401 fixedly connected to the support plate 1, connecting rods 402 are symmetrically installed on both sides of the top surface of the bottom plate 401, a connecting plate 403 is fixedly connected to the top surface of the connecting rod 402, a first telescopic rod 404 is symmetrically installed on both sides of the top surface of the bottom plate 401 away from the connecting rod 402, and a cylinder 405 is fixedly installed in the middle of the top surface of the bottom plate 401; wherein the top surface of the first telescopic rod 404 is fixedly connected to a top plate 406, and the top surface of the cylinder 405 is fixedly connected to the top plate 406, such as Figure 1 , 2 As shown, through the function of the clamping assembly 4, the crankshafts of different sizes can be clamped, so that the crankshafts can be better polished, thereby improving the grinding efficiency of the crankshafts. At the same time, the cylinder 405 can limit the clamping assembly 4, so as to prevent the crankshaft from deviating during grinding. Slide blocks 407 are fixedly installed on both sides of the surface of the top plate 406. The surface of the slide block 407 is slidably connected to a movable rod 408. The surface of the movable rod 408 is provided with a slide groove 409, and the slide groove 409 is slidably connected to the slide block 407. Slide plates 410 are symmetrically installed on both sides of the top surface of the connecting plate 403. The surface of the slide plate 410 is rotatably connected to a connecting shaft 411. The surface of the connecting shaft 411 is fixedly connected to the movable rod 408. The top surface of the slide plate 410 is slidably connected to a sliding block 412. The surface of the sliding block 412 is fixedly connected to a fixed shaft 413. The fixed shaft 413 is slidably connected to the movable rod 408. A sliding groove 414 is provided on one side of the surface of the movable rod 408 close to the top. The sliding groove 414 is slidably connected to the fixed shaft 413. The top surface of the sliding block 412 is fixedly connected to a clamping plate 415. Figure 2As shown, by starting the cylinder 405, the movable rod 408 rotates with the connecting shaft 411 as the center point. The movable rod 408 can drive the sliding block 412 to move through the rotation of the movable rod 408. The movement of the sliding block 412 can drive the movement of the clamping plate 415, so that the clamping plate 415 can position and clamp the crankshaft. A groove 8 is provided on one side surface of the clamping plate 415. A fixing plate 9 is fixedly installed inside the groove 8. A blocking plate 10 is symmetrically installed on the side surface of the fixing plate 9 away from the groove 8. The top surface of the blocking plate 10 is fixedly connected to the second telescopic rod 11. The surface of the second telescopic rod 11 is sleeved with a first spring. 12, the top surface of the first spring 12 is fixedly connected with a sliding plate 13, the bottom surface of the first spring 12 is fixedly connected with the blocking plate 10, one side surface of the sliding plate 13 is fixedly connected with a support rod 14, the side surface of the support rod 14 away from the sliding plate 13 is fixedly connected with a rotating shaft 15, the side surface of the rotating shaft 15 away from the support rod 14 is rotatably connected with a clamping plate 16, the side surface of the clamping plate 16 away from the rotating shaft 15 is fixedly connected with a rubber plate 17, the middle of one side surface of the fixed plate 9 is fixedly connected with a third telescopic rod 18, the side surface of the third telescopic rod 18 away from the fixed plate 9 is fixedly connected with the clamping plate 16, and the sliding plate 13 is slidably connected to the fixed plate 9, as shown in FIG. Figure 3 As shown, through the cooperation among the second telescopic rod 11, the first spring 12, the sliding plate 13, the support rod 14, the rotating shaft 15 and the rubber plate 17, the vibration force generated during the grinding of the crankshaft can be buffered, thereby playing a protective role for the clamping assembly 4, thereby increasing the service life of the clamping assembly.

[0029] A connecting groove 5 is provided in the middle of the surface of the stabilizing plate 3, a grinding piece 6 is slidably connected inside the connecting groove 5, and a plurality of clamping grooves 7 are symmetrically provided on both sides of the connecting groove 5, such as Figure 1 As shown, the grinding piece 6 can be height-adjusted according to the size of the crankshaft.

[0030] A placement groove 19 is provided in the middle of the surface of the support plate 1, and a bearing seat 20 is fixedly installed inside the placement groove 19. The bearing seat 20 is rotatably connected to the reciprocating screw 21. Limiting grooves 23 are symmetrically provided on both sides of the placement groove 19. The limiting grooves 23 are internally slidably connected to limiting blocks 24. The surface of the limiting block 24 on one side away from the limiting groove 23 is fixedly connected to the threaded sleeve 22, such as Figure 4 As shown, by rotating the reciprocating screw 21, the threaded sleeve 22 moves, so that the threaded sleeve 22 can drive the movement of the clamping assembly 4, so that different positions of the crankshaft can be polished, thereby improving the polishing efficiency of the crankshaft. The threaded sleeve 22 can be limited by the cooperation between the limit block and the limit groove.

[0031] The inner sides of the grinding member 6 are connected with a clamping rod 25, and the bottom surfaces of the grinding member 6 are fixedly mounted with a second spring 26. The bottom surface of the second spring 26 is fixedly connected with a limiting plate 27. The clamping rod 25 is sleeved with the second spring 26, and the clamping rod 25 is connected with the limiting plate 27. The clamping rod 25 is connected with the clamping slot 7, and the limiting plate 27 is connected with the stabilizing plate. Figure 5 As shown, by pulling 25, the clamping rod 25 can be separated from the clamping slot 7, so that the height of the grinding piece 6 can be adjusted. At the same time, when the grinding piece 6 is installed, the second spring 26 squeezes the limit plate 27 through the characteristics of the second spring 26, so that the limit plate 27 is always in contact with the stabilizing plate 3, thereby stabilizing the grinding piece 6.

[0032] A plurality of movable grooves 28 are symmetrically formed on both sides of the top surface of the connecting plate 403, and the movable grooves 28 are slidably connected to the movable rods 408. Figure 6 As shown, when the movable rod 408 moves upward through the top plate 406, the movable rod 408 slides in the movable groove 28, so that the clamping plate 415 can better clamp the crankshaft.

[0033] Working principle: Before using this adjustable crankshaft grinder positioning structure, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 6 As shown, first, the cylinder 405 on the clamping assembly 4 is started, so that the cylinder 405 drives the movement of the top plate 406, and the movement of the top plate 406 drives the rise of the slider 407, and the rise of the slider 407 can drive the movement of the movable rod 408, so that the movable rod 408 can rotate with the connecting shaft 411 as the center point, and the rotation of the movable rod 408 can drive the movement of the sliding block 412, and the movement of the sliding block 412 can drive the movement of the clamping plate 415, so that the clamping plate 415 can position and clamp the crankshaft, and at the same time, through the cooperation between the second telescopic rod 11, the first spring 12, the sliding plate 13, the support rod 14, the rotating shaft 15 and the rubber plate 17, the vibration force generated during the grinding of the crankshaft can be buffered.

[0034] Secondly, by pulling the clamping rod 25, the clamping rod 25 can be separated from the clamping slot 7, so that the height of the grinding piece 6 can be adjusted, so that the grinding piece 6 can be adjusted according to the size of the crankshaft, so as to better grind the crankshaft.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adjustable crankshaft grinding machine positioning structure, comprising a support plate (1), a support column (2) and a reciprocating screw (21), wherein the bottom surface of the support plate (1) is fixedly connected to the support column (2) on all sides; A reciprocating screw rod (21) is installed inside the support plate (1), and a threaded sleeve (22) is provided on the surface of the reciprocating screw rod (21); It is characterized in that Also includes: A stabilizing plate (3) is fixedly connected to one side of the top surface of the support plate (1), and a clamping assembly (4) is arranged in the middle of the top surface of the support plate (1); The clamping assembly (4) comprises a bottom plate (401) fixedly connected to the support plate (1), connecting rods (402) are symmetrically mounted on both sides of the top surface of the bottom plate (401), a connecting plate (403) is fixedly connected to the top surface of the connecting rod (402), first telescopic rods (404) are symmetrically mounted on both sides of the top surface of the bottom plate (401) away from the connecting rod (402), and a cylinder (405) is fixedly mounted in the middle of the top surface of the bottom plate (401); The top surface of the first telescopic rod (404) is fixedly connected to a top plate (406), the top surface of the cylinder (405) is fixedly connected to the top plate (406), sliders (407) are fixedly installed on both sides of the surface of the top plate (406), the surface of the slider (407) is slidably connected to a movable rod (408), the surface of the movable rod (408) is provided with a slide groove (409), the slide groove (409) is slidably connected to the slider (407), the top surface of the connecting plate (403) is symmetrically installed with slide plates (410), the surface of the slide plate (410) is rotatably connected to A connecting shaft (411) is provided, the surface of the connecting shaft (411) is fixedly connected to the movable rod (408), the top surface of the slide plate (410) is slidably connected to a sliding block (412), the surface of the sliding block (412) is fixedly connected to a fixed shaft (413), the fixed shaft (413) is slidably connected to the movable rod (408), a sliding groove (414) is provided on one side of the surface of the movable rod (408) close to the top, the sliding groove (414) is slidably connected to the fixed shaft (413), the top surface of the sliding block (412) is fixedly connected to a clamping plate (415), the clamping plate (415) is fixedly connected to the top surface of the sliding block (412), and the clamping plate (415) is fixedly connected to the top surface of the sliding block (412). A groove (8) is provided on one side surface of the plate (415), a fixing plate (9) is fixedly installed inside the groove (8), a blocking plate (10) is symmetrically installed on the side surface of the fixing plate (9) away from the groove (8), a second telescopic rod (11) is fixedly connected to the top surface of the blocking plate (10), a first spring (12) is sleeved on the surface of the second telescopic rod (11), a sliding plate (13) is fixedly connected to the top surface of the first spring (12), a bottom surface of the first spring (12) is fixedly connected to the blocking plate (10), and a side surface of the sliding plate (13) is fixedly connected to the second telescopic rod (11). A support rod (14) is connected, a side surface of the support rod (14) away from the sliding plate (13) is fixedly connected to a rotating shaft (15), a side surface of the rotating shaft (15) away from the support rod (14) is rotatably connected to a clamping plate (16), a side surface of the clamping plate (16) away from the rotating shaft (15) is fixedly connected to a rubber plate (17), a side surface of the fixed plate (9) is fixedly connected to a third telescopic rod (18) in the middle, a side surface of the third telescopic rod (18) away from the fixed plate (9) is fixedly connected to the clamping plate (16), and the sliding plate (13) is slidably connected to the fixed plate (9).

2. The adjustable crankshaft grinding machine positioning structure according to claim 1, characterized in that: A connecting groove (5) is provided in the middle of the surface of the stabilizing plate (3), a grinding piece (6) is slidably connected inside the connecting groove (5), and a plurality of clamping grooves (7) are symmetrically provided on both sides of the connecting groove (5).

3. The adjustable crankshaft grinding machine positioning structure according to claim 1, characterized in that: A placement groove (19) is provided in the middle of the surface of the support plate (1), a bearing seat (20) is fixedly installed inside the placement groove (19), the bearing seat (20) is rotatably connected to the reciprocating screw (21), and limiting grooves (23) are symmetrically provided on both sides of the placement groove (19), the limiting grooves (23) are slidably connected inside to limiting blocks (24), and a side surface of the limiting block (24) away from the limiting groove (23) is fixedly connected to the threaded sleeve (22).

4. The adjustable crankshaft grinder positioning structure according to claim 2, characterized in that: A clamping rod (25) is connected through both sides of the interior of the grinding piece (6), a second spring (26) is fixedly installed on both sides of the bottom surface of the grinding piece (6), a limiting plate (27) is fixedly connected to the bottom surface of the second spring (26), the clamping rod (25) and the second spring (26) are sleeved and connected, the clamping rod (25) and the limiting plate (27) are connected through, the clamping rod (25) and the clamping slot (7) are snap-fitted and connected, and the limiting plate (27) is snap-fitted and connected to the stabilizing plate.

5. The adjustable crankshaft grinding machine positioning structure according to claim 1, characterized in that: A plurality of movable grooves (28) are symmetrically provided on both sides of the top surface of the connecting plate (403), and the movable grooves (28) are slidably connected to the movable rods (408).

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