Multidirectional swing grinding device for crankshaft polishing

Abstract

The invention relates to the technical field of crankshaft machining, in particular to a multi-directional swing grinding device for crankshaft polishing, which comprises a multi-directional swing grinding device body and a crankshaft, the multi-directional swing grinding device body is provided with a multi-directional self-adaptive swing grinding belt, and positioning plates are symmetrically arranged on two sides of the multi-directional self-adaptive swing grinding belt. A first positioning guide wheel, a movable guide wheel and a second positioning guide wheel are symmetrically installed on the two sides of the position between the positioning plates correspondingly, stabilizing plates are symmetrically fixed to the two sides of the position between the positioning plates, a collecting box is arranged below the multi-directional swing grinding device body, and fixing plates are symmetrically fixed to the upper end of the collecting box. According to the multidirectional swing grinding device for crankshaft polishing, the crankshaft is ground through the liftable multidirectional self-adaptive swing grinding belt, meanwhile, the multidirectional self-adaptive swing grinding belt can conduct multi-angle self-adaptive adjustment relative to the crankshaft, the efficient polishing effect of the crankshaft is ensured, meanwhile, the automation degree is high, manual positioning is reduced, and operation is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of crankshaft processing, in particular to a multi-directional swing grinding device for crankshaft polishing. Background Art

[0002] The crankshaft is a vital component in internal combustion engines, converting the reciprocating motion of the pistons into rotational motion, thereby driving the vehicle or mechanical equipment. Polishing the crankshaft improves its surface quality and reduces the coefficient of friction between the crankshaft and the bearings, thereby enhancing engine performance and durability.

[0003] During the grinding and polishing process of the existing crankshaft, the crankshaft is usually fixed on a rotatable chuck so that the crankshaft is polished at different positions during the rotation process. However, the polishing tool needs to be manually operated, which is inconvenient to position and makes the polishing efficiency low. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-directional oscillating grinding device for crankshaft polishing, so as to solve the problem raised in the above background technology that when crankshafts are currently on the market, they are usually fixed on a rotatable chuck during grinding and polishing, so that the crankshaft is polished at different positions during rotation, but the polishing tool requires manual operation and is inconvenient to position, resulting in low polishing efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a multi-directional swinging grinding device for crankshaft polishing, comprising a multi-directional swinging grinding device body and a crankshaft, the multi-directional swinging grinding device body is provided with a multi-directional adaptive swinging grinding belt, and positioning plates are symmetrically provided on both sides of the multi-directional adaptive swinging grinding belt, a first positioning guide wheel, a movable guide wheel and a second positioning guide wheel are symmetrically installed on both sides between the positioning plates, and a stabilizing plate is symmetrically fixed on both sides between the positioning plates, a collecting box is provided under the multi-directional swinging grinding device body, and a fixed plate is symmetrically fixed on the upper end of the collecting box, and a positioning frame is also connected to the upper end of the fixed plate at intervals, the positioning frames are respectively provided with lifting hydraulic cylinders with the same structure, and the lower ends of the lifting hydraulic cylinders on the same side are commonly connected to a connecting plate, a linear displacement adjustment mechanism is installed above the connecting plate, and the linear displacement adjustment mechanism is connected to an adjustment connecting seat fixed to the stabilizing plate through a screw adjustment structure.

[0006] Preferably, the bottom of the collection box is an arc-shaped structure, and crankshaft polishing positioning chucks are respectively installed on both sides of the short side of the collection box.

[0007] Preferably, the crankshaft is transversely fastened between the crankshaft polishing positioning chucks, and a rotation drive mechanism connected to the crankshaft polishing positioning chuck coupling is installed on one side of the collection box.

[0008] Preferably, the positioning frame is an inverted L-shaped structure, and the lifting hydraulic cylinder is arranged vertically.

[0009] Preferably, the positioning plate is a U-shaped structure as a whole, and the positioning plate is located above the crankshaft.

[0010] Preferably, a limiting hole is longitudinally provided on the positioning plate, and the limiting hole corresponds to the position of the movable guide wheel.

[0011] Preferably, a positioning seat is fixed to the outer side surface of the positioning plate by welding, and the positioning seat is located below the limiting hole.

[0012] Preferably, a limiting column is movable through the positioning seat, and a connecting spring is sleeved on the limiting column.

[0013] Preferably, both ends of the movable guide wheel are rotatably connected to movable seats on the outer side of the positioning plate, and the bottom of the movable seat is welded to the upper end of the limiting column, and the upper and lower ends of the connecting spring are respectively connected to the positioning seat and the movable seat through hooks.

[0014] Preferably, the first positioning guide wheel, the movable guide wheel and the second positioning guide wheel respectively form a triangular structure, and the movable guide wheel is located above the first positioning guide wheel, the first positioning guide wheel and the movable guide wheel are located on the inner ring of the multi-directional adaptive swing grinding belt, and the second positioning guide wheel is located outside the multi-directional adaptive swing grinding belt.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the multi-directional oscillating grinding device for crankshaft polishing uses a multi-directional adaptive oscillating grinding belt that can be raised and lowered. The multi-directional adaptive oscillating grinding belt can also be adaptively adjusted relative to the crankshaft at multiple angles, ensuring efficient polishing of the crankshaft. Furthermore, the device has a high degree of automation, reduces manual positioning, and makes operation more convenient. The multi-directional oscillating grinding device for crankshaft polishing uses a U-shaped positioning plate to position the multi-directional adaptive oscillating grinding belt. The multi-directional adaptive oscillating grinding belt is positioned by two sets of fixed positioning guide wheels, and adaptively adjusted by a movable guide wheel that can be raised and lowered. The multi-directional adaptive oscillating grinding belt performs multi-directional oscillating grinding as the crankshaft rotates, resulting in high polishing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a side view of the internal structure of a multi-directional oscillating grinding device for crankshaft polishing according to the present invention; Figure 2 This is a side view of the external structure of a multi-directional oscillating grinding device for crankshaft polishing according to the present invention; Figure 3 The present invention is a multi-directional swing grinding device for crankshaft polishing Figure 2 A in the middle is an enlarged structural diagram; Figure 4 This is a top view of a multi-directional oscillating grinding device for crankshaft polishing according to the present invention; Figure 5 The present invention is a multi-directional swing grinding device for crankshaft polishing Figure 4 Enlarged structural diagram at point B in the middle.

[0017] In the figure: 1. Multi-directional swing grinding device body; 2. Collection box; 201. Fixed plate; 3. Positioning frame; 4. Lifting hydraulic cylinder; 401. Connecting plate; 5. Linear displacement adjustment mechanism; 501. Adjusting connecting seat; 6. Positioning plate; 601. Limiting hole; 602. Connecting spring; 603. Limiting column; 604. Positioning seat; 605. Stabilizing plate; 7. First positioning guide wheel; 8. Crankshaft; 9. Movable guide wheel; 901. Movable seat; 10. Second positioning guide wheel; 11. Multi-directional adaptive swing grinding belt; 12. Rotation drive mechanism; 13. Crankshaft polishing positioning chuck. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-5The present invention provides a technical solution: a multi-directional oscillating grinding device for crankshaft polishing, comprising a multi-directional oscillating grinding device body 1 and a crankshaft 8, a multi-directional oscillating grinding device body 1 is provided with a multi-directional adaptive oscillating grinding belt 11, and positioning plates 6 are symmetrically provided on both sides of the multi-directional adaptive oscillating grinding belt 11, the positioning plate 6 is a U-shaped structure as a whole, and the positioning plate 6 is located above the crankshaft 8, this structure can prevent the positioning plate 6 from contacting the crankshaft 8 through the U-shaped structure of the positioning plate 6, and the multi-directional adaptive oscillating grinding belt 11 can contact the crankshaft 8 to varying degrees, and at the same time, the adaptive adjustment of the multi-directional adaptive oscillating grinding belt 11 ensures that all parts of the crankshaft 8 can be evenly polished, and a first positioning guide wheel 7 and a movable guide wheel 8 are symmetrically installed on both sides between the positioning plates 6. The guide wheel 9 and the second positioning guide wheel 10, a limiting hole 601 is longitudinally provided on the positioning plate 6, and the limiting hole 601 corresponds to the position of the movable guide wheel 9. This structure allows the movable guide wheel 9 to be longitudinally displaced by the limiting hole 601 to adapt to the adaptive adjustment of the multi-directional adaptive swinging grinding belt 11, and the stabilizing plates 605 are symmetrically fixed on both sides between the positioning plates 6, and the outer side of the positioning plate 6 is fixed with a positioning seat 604 by welding, and the positioning seat 604 is located below the limiting hole 601. This structure makes the positioning seat 604 stable relative to the positioning plate 6, and a collecting box 2 is provided below the main body 1 of the multi-directional swinging grinding device. The bottom of the collecting box 2 is an arc-shaped structure, and crankshaft polishing positioning chucks 13 are respectively installed on both sides of the short side of the collecting box 2. The structure can collect and process polishing liquid and debris through the collection box 2. At the same time, the collection box 2 can play a positioning role in the installation of the multi-directional swing grinding device body 1, and the upper end of the collection box 2 is symmetrically fixed with a fixed plate 201, and the upper end of the fixed plate 201 is also spaced apart with a positioning frame 3. The crankshaft 8 is transversely fastened between the crankshaft polishing positioning chuck 13, and one side of the collection box 2 is equipped with a rotating drive mechanism 12 connected to the crankshaft polishing positioning chuck 13 coupling. This structure positions the crankshaft 8 through the crankshaft polishing positioning chuck 13 and rotates the crankshaft 8 through the rotating drive mechanism 12, which can make the multi-directional adaptive swing grinding belt 11 contact with the part of the crankshaft 8 that needs to be ground and polished, thereby realizing the polishing of the crankshaft 8. The positioning frame 3 The upper and lower ends of the lifting hydraulic cylinders 4 on the same side are respectively provided with a lifting hydraulic cylinder 4 of the same structure, the positioning frame 3 is an inverted L-shaped structure, and the lifting hydraulic cylinder 4 is vertically arranged. This structure enables the positioning frame 3 to install and stabilize the lifting hydraulic cylinder 4, ensuring that the lifting hydraulic cylinder 4 drives the connecting plate 401 to rise and fall synchronously, thereby realizing the adjustable height of the multi-directional swing grinding device body 1, and at the same time, it is convenient to fix the crankshaft 8, and the lower ends of the lifting hydraulic cylinders 4 on the same side are commonly connected with the connecting plate 401, and a linear displacement adjustment mechanism 5 is installed above the connecting plate 401, and the linear displacement adjustment mechanism 5 is connected to an adjustment connecting seat 501 fixed to the stabilizing plate 605 through a screw adjustment structure, and the positioning seat 604 is movable through a limiting column 603, and the limiting column 603 is sleeved with a connecting spring 602,This structure allows the limiting column 603 to be movable under the limit of the positioning seat 604. The two ends of the movable guide wheel 9 are rotatably connected to the movable seat 901 on the outside of the positioning plate 6, and the bottom of the movable seat 901 is welded to the upper end of the limiting column 603. The upper and lower ends of the connecting spring 602 are respectively connected to the positioning seat 604 and the movable seat 901 through hooks. This structure allows the movable seat 901 to be movable and limited through the cooperation of the limiting column 603 and the positioning seat 604. At the same time, the connecting spring 602 relatively connects the positioning seat 604 and the movable seat 901 to ensure that the movable guide wheel 9 can automatically adjust its position. A triangular structure is formed between the first positioning guide wheel 7, the movable guide wheel 9 and the second positioning guide wheel 10, and the movable guide wheel 9 is located at the first positioning guide wheel 7. Above the positioning guide wheel 7, the first positioning guide wheel 7 and the movable guide wheel 9 are located on the inner ring of the multi-directional adaptive oscillating grinding belt 11, and the second positioning guide wheel 10 is located outside the multi-directional adaptive oscillating grinding belt 11. In this structure, the first positioning guide wheel 7, the movable guide wheel 9 and the second positioning guide wheel 10 have the same structure, all of which are concave wheel structures, ensuring the precise positioning of the multi-directional adaptive oscillating grinding belt 11. The first positioning guide wheel 7 together positions the bottom of the multi-directional adaptive oscillating grinding belt 11 firmly. As the bottom of the multi-directional adaptive oscillating grinding belt 11 contacts the crankshaft 8 to varying degrees, the movable guide wheel 9 adaptively adjusts its position according to the changes in the multi-directional adaptive oscillating grinding belt 11, ensuring that the multi-directional adaptive oscillating grinding belt 11 is always in close contact with the crankshaft 8.

[0020] Working principle: When using the multi-directional swing grinding device for crankshaft polishing, first the lifting hydraulic cylinder 4 lifts the connecting plate 401 under the positioning of the positioning frame 3, and the fixing plate 201 positions and stabilizes the positioning frame 3, and then the multi-directional swing grinding device body 1 is driven to move upward by the linear displacement adjustment mechanism 5, and then the crankshaft 8 is smoothly fastened between the crankshaft polishing positioning chucks 13, and then the linear displacement adjustment mechanism 5 drives the multi-directional swing grinding device body 1 to move as a whole by adjusting the connecting seat 501 under the action of the screw drive, ensuring that the multi-directional adaptive swing grinding belt 11 moves to the position where the crankshaft 8 needs to be ground and polished, and then the multi-directional swing grinding device body 1 is lowered again, so that the bottom of the multi-directional adaptive swing grinding belt 11 contacts the crankshaft 8, and then the rotation drive mechanism 1 is used. 2. The crankshaft 8 is driven to rotate. Since the position of the crankshaft 8 that needs to be polished is in an eccentric position, the multi-directional adaptive swinging grinding belt 11 will float to varying degrees. Since the first positioning guide wheel 7 and the second positioning guide wheel 10 fix the multi-directional adaptive swinging grinding belt 11, the movable guide wheel 9 is adaptively moved by the limiting hole 601. The movable seat 901 is movable limited by the limiting column 603. At the same time, the connecting spring 602 is used for tightening the movable guide wheel 9 to ensure the tension of the multi-directional adaptive swinging grinding belt 11. The positioning seat 604 is used for limiting the limiting column 603. The positioning plate 6 is installed and stabilized by the stabilizing plate 605. The collection box 2 is used to collect and process the polishing liquid and debris during the polishing process, thereby completing a series of tasks.

[0021] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 should be included in the scope of protection of the present invention.

Claims

1. A multi-directional oscillating grinding device for crankshaft polishing, comprising a multi-directional oscillating grinding device body (1) and a crankshaft (8), characterized in that: The multi-directional swing grinding device body (1) is provided with a multi-directional adaptive swing grinding belt (11), and positioning plates (6) are symmetrically provided on both sides of the multi-directional adaptive swing grinding belt (11), and a first positioning guide wheel (7), a movable guide wheel (9) and a second positioning guide wheel (10) are symmetrically installed on both sides between the positioning plates (6), and a stabilizing plate (605) is symmetrically fixed on both sides between the positioning plates (6). A collection box (2) is provided below the multi-directional swing grinding device body (1), and a fixing plate (201) is symmetrically fixed on the upper end of the collection box (2), and a positioning frame (3) is also connected to the upper end of the fixing plate (201) at intervals, and a lifting hydraulic cylinder (4) with the same structure is respectively provided on the positioning frame (3), and the lower ends of the lifting hydraulic cylinders (4) on the same side are commonly connected to a connecting plate (401), and a linear displacement adjustment mechanism (5) is installed above the connecting plate (401), and the linear displacement adjustment mechanism (5) is connected to an adjustment connecting seat (501) fixed to the stabilizing plate (605) through a screw adjustment structure.

2. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: The bottom of the collecting box (2) is an arc-shaped structure, and crankshaft polishing positioning chucks (13) are respectively installed on both sides of the short side of the collecting box (2).

3. The multi-directional oscillating grinding device for crankshaft polishing according to claim 2, characterized in that: The crankshaft (8) is transversely fastened between the crankshaft polishing positioning chucks (13), and a rotary drive mechanism (12) connected to a coupling of the crankshaft polishing positioning chucks (13) is installed on one side of the collection box (2).

4. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: The positioning frame (3) is an inverted L-shaped structure, and the lifting hydraulic cylinder (4) is arranged vertically.

5. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: The positioning plate (6) is a U-shaped structure as a whole, and the positioning plate (6) is located above the crankshaft (8).

6. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: A limiting hole (601) is longitudinally provided on the positioning plate (6), and the limiting hole (601) corresponds to the position of the movable guide wheel (9).

7. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: A positioning seat (604) is fixed to the outer side surface of the positioning plate (6) by welding, and the positioning seat (604) is located below the limiting hole (601).

8. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: The positioning seat (604) movably passes through the limiting column (603), and the limiting column (603) is sleeved with a connecting spring (602).

9. The multi-directional oscillating grinding device for crankshaft polishing according to claim 8, characterized in that: The two ends of the movable guide wheel (9) are rotatably connected to the outer side of the positioning plate (6) with a movable seat (901), and the bottom of the movable seat (901) is welded to the upper end of the limiting column (603), and the upper and lower ends of the connecting spring (602) are respectively connected to the positioning seat (604) and the movable seat (901) through hooks.

10. The multi-directional oscillating grinding device for crankshaft polishing according to claim 1, characterized in that: The first positioning guide wheel (7), the movable guide wheel (9) and the second positioning guide wheel (10) respectively form a triangular structure, and the movable guide wheel (9) is located above the first positioning guide wheel (7), the first positioning guide wheel (7) and the movable guide wheel (9) are located on the inner ring of the multi-directional adaptive swing grinding belt (11), and the second positioning guide wheel (10) is located outside the multi-directional adaptive swing grinding belt (11).

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