Crankshaft surface polishing device

Abstract

The utility model discloses a crankshaft surface polishing device, which relates to the technical field of crankshaft processing and comprises a base, a motor, a supporting seat and a first bearing seat, and two parallel linear guide rails are arranged on one side of the first bearing seat; a first screw motor component is arranged in the middle of the linear guide rail, and a plurality of sliding blocks are arranged at the top of the linear guide rail; a movable block is arranged at the top of the first screw motor component; a movable seat is arranged at the top of the sliding block; sliding grooves are formed in the two sides of the movable base. A second screw motor component is arranged on the side, close to the first clamping component, of the movable base. A grinding wheel fixing block is arranged in the sliding groove. The grinding wheel fixing block is provided with a groove, and a grinding motor is arranged at the top of the grinding wheel fixing block. And a grinding wheel is arranged in the groove. By means of the structure, the crankshaft neck polishing device can rapidly, accurately and evenly polish and machine crankshaft necks of different crankshafts, the problem that polishing is uneven due to the fact that pressure and grinding materials are not evenly distributed, operators are lack of experience, and the surface quality of workpieces is poor can be effectively solved, and the polishing efficiency is improved. And the working efficiency of the crankshaft surface polishing device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft processing, in particular to a crankshaft surface polishing device. Background Art

[0002] The crankshaft is one of the most important parts in the engine. Its main function is to convert the reciprocating motion of the piston into rotational motion, thereby outputting power. The crankshaft is usually composed of a main journal, a connecting rod journal and a balance weight.

[0003] Crankshaft polishing is an important maintenance work in engine overhaul, and its main purpose is to repair the wear of the crankshaft and improve its surface quality. Crankshaft polishing mainly polishes the journal surface of the crankshaft to ensure the roughness of the finished crankshaft. During the crankshaft polishing process, due to the uneven distribution of pressure and abrasives, the lack of experience of operators, and the poor surface quality of the workpiece, the crankshaft polishing device will polish unevenly, thereby further reducing the surface accuracy of the crankshaft workpiece. Therefore, we propose a crankshaft surface polishing device to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a crankshaft surface polishing device to solve the problem of uneven polishing of the crankshaft surface polishing device due to uneven pressure and abrasive distribution, lack of experience of operators, poor surface quality of workpieces and other problems raised in the above background technology, thereby further reducing the surface accuracy of the crankshaft workpiece.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A crankshaft surface polishing device comprises a base, a motor, a support seat, and a first bearing seat, wherein two mutually parallel linear guide rails are arranged on one side of the first bearing seat, a first screw motor component is arranged in the middle of the linear guide rails, a plurality of sliders are arranged on the top of the linear guide rails, and a movable block is arranged on the top of the first screw motor component;

[0007] A movable seat is arranged on the top of the slider, sliding grooves are arranged on both sides of the movable seat, a second screw motor component is arranged on the side of the movable seat close to the first clamping component, a grinding wheel fixing block is arranged inside the sliding groove, the grinding wheel fixing block is arranged with a groove, a grinding motor is arranged on the top of the grinding wheel fixing block, and a grinding wheel is arranged inside the groove.

[0008] Furthermore, a support seat is provided on one side of the top of the base, a motor is provided on the bottom of the base, a first bearing seat is provided on the side of the support seat close to the center of the base, and two mutually parallel linear guide rails are provided on the side of the first bearing seat away from the support seat. The support seat is fixedly connected to the base by screws, the motor is fixedly connected to the base by screws, the first bearing seat is fixedly connected to the base by screws, the linear guide rail is fixedly connected to the base by screws, and the first screw motor component is fixedly connected to the base by screws.

[0009] Furthermore, a first clamping component is provided inside the first bearing seat, and the first clamping component is rotatably connected to the first bearing seat via a bearing, and the motor transmission shaft passes through the base and the first bearing seat and is fixedly connected to the first clamping component.

[0010] Furthermore, the slider is slidably connected to the linear guide rail, the movable block is rotatably connected to the first screw motor component, the top of the slider is fixedly connected to the bottom of the movable seat by a screw, the top of the movable block is fixedly connected to the bottom of the movable seat by a screw, both ends of the second screw motor component are fixedly connected to the movable seat by screws, the grinding wheel fixing block is slidably connected to the movable seat by a slide groove, and the second screw motor component passes through the grinding wheel fixing block and is rotatably connected to it.

[0011] Furthermore, the grinding motor is fixedly connected to the grinding wheel fixing block via screws, the grinding wheel is rotatably connected to the grinding wheel fixing block inside the groove via a bearing, and the grinding motor drive shaft passes through the grinding wheel fixing block and is fixedly connected to the grinding wheel.

[0012] Furthermore, a lifting component is provided on the top of the support seat, and a second bearing seat is provided at the bottom of the lifting component. One end of the lifting component passes through the support seat and is movably connected with the support seat. The second bearing seat is fixedly connected to the bottom of the lifting component by screws. A second clamping component is provided inside the second bearing seat, and the second clamping component is rotatably connected to the second bearing seat through a bearing.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges a movable seat, a linear guide rail and a first screw motor component are arranged at the bottom of the movable seat, a second screw motor component is arranged on one side of the movable seat close to the first clamping component, slide grooves are arranged on both sides of the movable seat, a grinding wheel fixing block is arranged inside the slide groove, the grinding wheel fixing block is arranged with a groove, a grinding motor is arranged on the top of the grinding wheel fixing block, and a grinding wheel is arranged inside the groove. During this process, the position and grinding depth of the grinding wheel during the polishing process can be accurately and quickly adjusted by adjusting the first screw motor component and the second screw motor component, and it will not be affected by factors such as personnel experience and workpiece quality, thereby further improving the working efficiency of the crankshaft surface polishing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top installation structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the side installation structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the partial installation structure of the utility model;

[0019] Figure numerals: 1. base; 2. motor; 3. support seat; 4. first bearing seat; 5. linear guide; 6. first screw motor component; 7. first clamping component; 8. slider; 9. movable block; 10. movable seat; 1001. slide groove; 11. second screw motor component; 12. grinding wheel fixing block; 1201. groove; 13. grinding motor; 14. grinding wheel; 15. lifting component; 16. second bearing seat; 17. second clamping component. DETAILED DESCRIPTION

[0020] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figure 1-Figure 4The utility model provides a technical solution: a crankshaft surface polishing device, comprising a base 1, a motor 2, a support seat 3, and a first bearing seat 4, wherein two mutually parallel linear guide rails 5 are arranged on one side of the first bearing seat 4, a first screw motor component 6 is arranged in the middle of the linear guide rail 5, a plurality of sliders 8 are arranged on the top of the linear guide rail 5, and a movable block 9 is arranged on the top of the first screw motor component 6;

[0022] A movable seat 10 is arranged on the top of the slider 8, and slide grooves 1001 are arranged on both sides of the movable seat 10. A second screw motor component 11 is arranged on the side of the movable seat 10 close to the first clamping component 7. A grinding wheel fixing block 12 is arranged inside the slide groove 1001, and the grinding wheel fixing block 12 is provided with a groove 1201. A grinding motor 13 is arranged on the top of the grinding wheel fixing block 12, and a grinding wheel 14 is arranged inside the groove 1201.

[0023] A support seat 3 is provided on one side of the top of the base 1, a motor 2 is provided on the bottom of the base 1, a first bearing seat 4 is provided on the side of the support seat 3 close to the center of the base 1, and two mutually parallel linear guide rails 5 are provided on the side of the first bearing seat 4 away from the support seat 3. The support seat 3 is fixedly connected to the base 1 by screws, the motor 2 is fixedly connected to the base 1 by screws, the first bearing seat 4 is fixedly connected to the base 1 by screws, the linear guide rail 5 is fixedly connected to the base 1 by screws, and the first screw motor component 6 is fixedly connected to the base 1 by screws.

[0024] A first clamping component 7 is disposed inside the first bearing seat 4, and the first clamping component 7 is rotatably connected to the first bearing seat 4 through a bearing, and the transmission shaft of the motor 2 passes through the base 1 and the first bearing seat 4 and is fixedly connected to the first clamping component 7. In this example, the motor 2 is provided to drive the first clamping component 7 to rotate, and further drive the crankshaft to rotate.

[0025] The slider 8 is slidably connected to the linear guide 5, the movable block 9 is rotatably connected to the first screw motor component 6, the top of the slider 8 is fixedly connected to the bottom of the movable seat 10 by screws, the top of the movable block 9 is fixedly connected to the bottom of the movable seat 10 by screws, both ends of the second screw motor component 11 are fixedly connected to the movable seat 10 by screws, the grinding wheel fixing block 12 is slidably connected to the movable seat 10 by a slide groove 1001, and the second screw motor component 11 passes through the grinding wheel fixing block 12 and is rotatably connected thereto.

[0026] The grinding motor 13 is fixedly connected to the grinding wheel fixing block 12 via screws, the grinding wheel 14 is rotatably connected to the grinding wheel fixing block 12 via a bearing inside the groove 1201, and the transmission shaft of the grinding motor 13 passes through the grinding wheel fixing block 12 and is fixedly connected to the grinding wheel 14.

[0027] A lifting component 15 is disposed on the top of the support seat 3, and a second bearing seat 16 is disposed on the bottom of the lifting component 15. One end of the lifting component 15 passes through the support seat 3 and is movably connected thereto. The second bearing seat 16 is fixedly connected to the bottom of the lifting component 15 by screws. A second clamping component 17 is disposed inside the second bearing seat 16, and the second clamping component 17 is rotatably connected to the second bearing seat 16 by a bearing. In this example, by disposing the lifting component 15, crankshafts of different lengths can be clamped and processed.

[0028] Working principle: By adjusting the lifting component 15, the first clamping component 7 and the second clamping component 17 can better clamp different crankshafts. By adjusting the first screw motor component 6, the position of the movable seat 10 is adjusted. By adjusting the second screw motor component 11, the position of the grinding wheel fixing block 12 is adjusted, thereby adjusting the position of the grinding wheel 14 and accurately grinding the crankshaft neck.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crankshaft surface polishing device, characterized in that: The invention comprises a base (1), a motor (2), a support seat (3), and a first bearing seat (4); two mutually parallel linear guide rails (5) are arranged on one side of the first bearing seat (4); a first screw motor component (6) is arranged in the middle of the linear guide rail (5); a plurality of sliding blocks (8) are arranged on the top of the linear guide rail (5); and a movable block (9) is arranged on the top of the first screw motor component (6); A movable seat (10) is arranged at the top of the slider (8), and slide grooves (1001) are arranged on both sides of the movable seat (10). A second screw motor component (11) is arranged on the side of the movable seat (10) close to the first clamping component (7), and a grinding wheel fixing block (12) is arranged inside the slide groove (1001), and the grinding wheel fixing block (12) is provided with a groove (1201). A grinding motor (13) is arranged on the top of the grinding wheel fixing block (12), and a grinding wheel (14) is arranged inside the groove (1201).

2. A crankshaft surface polishing device according to claim 1, characterized in that: A support seat (3) is arranged on one side of the top of the base (1), a motor (2) is arranged on the bottom of the base (1), a first bearing seat (4) is arranged on one side of the support seat (3) close to the center of the base (1), two mutually parallel linear guide rails (5) are arranged on the side of the first bearing seat (4) away from the support seat (3), the support seat (3) is fixedly connected to the base (1) by screws, the motor (2) is fixedly connected to the base (1) by screws, the first bearing seat (4) is fixedly connected to the base (1) by screws, the linear guide rail (5) is fixedly connected to the base (1) by screws, and the first screw motor component (6) is fixedly connected to the base (1) by screws.

3. A crankshaft surface polishing device according to claim 2, characterized in that: A first clamping component (7) is arranged inside the first bearing seat (4), and the first clamping component (7) is rotatably connected to the first bearing seat (4) via a bearing, and the transmission shaft of the motor (2) passes through the base (1) and the first bearing seat (4) and is fixedly connected to the first clamping component (7).

4. A crankshaft surface polishing device according to claim 1, characterized in that: The slider (8) is slidably connected to the linear guide rail (5), the movable block (9) is rotationally connected to the first screw motor component (6), the top of the slider (8) is fixedly connected to the bottom of the movable seat (10) by screws, the top of the movable block (9) is fixedly connected to the bottom of the movable seat (10) by screws, both ends of the second screw motor component (11) are fixedly connected to the movable seat (10) by screws, the grinding wheel fixing block (12) is slidably connected to the movable seat (10) by a slide groove (1001), and the second screw motor component (11) passes through the grinding wheel fixing block (12) and is rotationally connected thereto.

5. The crankshaft surface polishing device according to claim 1, characterized in that: The grinding motor (13) is fixedly connected to the grinding wheel fixing block (12) via screws, the grinding wheel (14) is rotatably connected to the grinding wheel fixing block (12) inside the groove (1201) via a bearing, and the driving shaft of the grinding motor (13) passes through the grinding wheel fixing block (12) and is fixedly connected to the grinding wheel (14).

6. A crankshaft surface polishing device according to claim 1, characterized in that: A lifting component (15) is arranged on the top of the support seat (3), and a second bearing seat (16) is arranged on the bottom of the lifting component (15); one end of the lifting component (15) passes through the support seat (3) and is movably connected thereto; the second bearing seat (16) is fixedly connected to the bottom of the lifting component (15) by means of screws; a second clamping component (17) is arranged inside the second bearing seat (16); and the second clamping component (17) is rotatably connected to the second bearing seat (16) by means of a bearing.

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