Balance adjusting type grinding device

Abstract

The utility model provides a balance adjusting type grinding device, which relates to the field of workpiece grinding processing and comprises a bottom table, a shell and a first power component are respectively fixed at the top of the bottom table, a grinding wheel body is arranged in the shell, a rotating shaft is rotatably connected to one side wall of the shell through a bearing, the grinding wheel body is fixedly sleeved on the rotating shaft, and the first power component is arranged on the rotating shaft. One end of the rotating shaft is fixedly connected with an output shaft of the first power assembly, and a grinding wheel dynamic balancing instrument is installed at the other end of the rotating shaft. By means of the grinding wheel dynamic balancing instrument installed on the main shaft of the grinding wheel body, the unbalance amount of the grinding wheel body can be detected in real time in the working process of the grinding wheel body, automatic adjustment and correction are conducted, the grinding wheel body can be kept in a balanced state all the time, manual intervention is not needed, and the workpiece machining precision and quality of the grinding device can be improved; and therefore, the automation degree of shaft workpiece production is improved, and the production and machining efficiency of the shaft workpieces is improved.

Description

Technical Field

[0001] The utility model relates to the field of workpiece grinding and processing, in particular to a balance-adjustable grinding device. Background Art

[0002] A grinding device is a device or tool used to grind, polish or grind the surface of a workpiece. They are usually composed of a main grinding device and corresponding grinding tools to improve the surface quality, dimensional accuracy and shape of the workpiece. There are many types of grinding devices, such as shaft cylindrical grinding machines used to grind the outer cylindrical surface of the workpiece, which are usually used to grind outer cylindrical workpieces such as shaft parts and bearing outer rings.

[0003] At present, when the grinding wheel of the external cylindrical grinder is fine-grinding the surface of the shaft workpiece, due to the unevenness of the workpiece surface, the high-speed rotating grinding wheel will vibrate and the grinding effect will be unstable, which will affect the grinding effect and easily produce defective products. In addition, the existing external cylindrical grinders usually use conical feeler rods to clamp and rotate the shaft workpieces. This method can only meet the needs of clamping small-sized and light-weight shaft workpieces. Once the product has a larger diameter and heavier weight, the workpiece will easily shift. The application scope of the grinding device is limited, it cannot be flexibly adjusted, and it does not have the function of adjusting the balance of the grinding wheel in real time. Utility Model Content

[0004] The utility model aims to solve the problems that the existing grinding device has limited application range, cannot be adjusted flexibly and has no function of real-time adjustment of grinding wheel balance.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a balanced and adjustable grinding device, including a base, a shell and a first power component are fixed on the top of the base, a grinding wheel body is arranged in the shell, a side wall of the shell is rotatably connected with a rotating shaft through a bearing, the grinding wheel body is sleeved and fixed on the rotating shaft, one end of the rotating shaft is fixedly connected to the output shaft of the first power component, and a grinding wheel dynamic balancing instrument is installed on the other end of the rotating shaft, and two three-jaw chuck assemblies are arranged opposite to each other above the base.

[0006] Preferably, a second power assembly is fixed to the top of the base, and one of the three-jaw chuck assemblies is fixedly connected to the output shaft of the second power assembly.

[0007] Preferably, an electric slide is fixed on the top of the base, a movable plate is slidably connected to the electric slide, another three-jaw chuck assembly is rotatably connected to the movable plate through a bearing, and the centers of the two three-jaw chuck assemblies are on the same axis.

[0008] Preferably, the three-jaw chuck assembly comprises a chuck body, on which three moving bars are slidably connected in a circular array, and clamping jaws are fixed on each of the three moving bars.

[0009] Preferably, the clamping jaws are respectively provided with a primary clamping end, a secondary clamping end and a tertiary clamping end, and the primary clamping end, the secondary clamping end and the tertiary clamping end gradually move away from the center of the chuck body.

[0010] Preferably, two mounting holes are provided on one surface of the clamping jaw, and an extension clamping block is mounted on one surface of the clamping jaw in cooperation with the mounting holes using fastening screws.

[0011] Preferably, a through hole is opened on one side wall of the housing, the grinding wheel dynamic balancing instrument is installed in the through hole, and the grinding wheel dynamic balancing instrument is provided with a wiring terminal.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by installing a grinding wheel dynamic balancing instrument on the main shaft of the grinding wheel body, the imbalance of the grinding wheel body can be detected in real time during the working process of the grinding wheel body, and automatic adjustment and correction can be performed to keep the grinding wheel body in a balanced state. Without manual intervention, the processing accuracy and quality of the workpiece by the grinding device can be improved, thereby improving the degree of automation in the production of shaft workpieces, and further facilitating the improvement of the production and processing efficiency of shaft workpieces.

[0014] 2. In the utility model, a three-jaw chuck assembly is provided to clamp and limit the two ends of the shaft workpiece, so that the shaft workpiece can be installed on the second power assembly more stably, so that the second power assembly can smoothly drive shaft workpieces of different sizes to rotate at high speed, and the installation effect of the shaft workpiece is better, and the axis will not be offset, so that the processing effect of the grinding device is consistent, and the production quality is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of the overall structure of a balanced and adjustable grinding device proposed by the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the separation structure of the outer shell and the grinding wheel body in a balance adjustment type grinding device proposed by the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the structure of a three-claw chuck assembly in a balanced and adjustable grinding device proposed by the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the separation structure of the epitaxial clamping block and the clamping claw in a balanced and adjustable grinding device proposed by the utility model.

[0019] Legend: 1. Base; 2. Housing; 3. First power assembly; 4. Grinding wheel body; 5. Rotating shaft; 6. Grinding wheel dynamic balancing instrument; 7. Three-jaw chuck assembly; 701. Chuck body; 702. Moving bar; 703. Clamping jaw; 704. Primary clamping end; 705. Secondary clamping end; 706. Tertiary clamping end; 707. Mounting hole; 708. Extension clamping block; 8. Second power assembly; 9. Electric slide; 10. Moving plate; 11. Through hole. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a balance-adjustable grinding device, including a base 1, a shell 2 and a first power assembly 3 are fixed on the top of the base 1, a grinding wheel body 4 is arranged in the shell 2, a side wall of the shell 2 is rotatably connected with a rotating shaft 5 through a bearing, the grinding wheel body 4 is sleeved and fixed on the rotating shaft 5, one end of the rotating shaft 5 is fixedly connected to the output shaft of the first power assembly 3, and a grinding wheel dynamic balancing instrument 6 is installed on the other end of the rotating shaft 5, and two three-jaw chuck assemblies 7 are relatively arranged above the base 1.

[0023] The effect achieved by the entire embodiment 1 is that the grinding wheel dynamic balancing instrument 6 can detect the imbalance of the grinding wheel body 4 in real time during the operation of the grinding wheel body 4, and perform automatic adjustment and correction, so that the grinding wheel body 4 can always maintain a balanced state without manual intervention. The three-jaw chuck assembly 7 can clamp and limit the two ends of the shaft workpiece, and the shaft workpiece can be installed on the second power assembly 8 more stably, so that the second power assembly 8 can smoothly drive shaft workpieces of different sizes to rotate at high speed without any offset.

[0024] Embodiment 2, as Figure 1-Figure 4As shown, a second power assembly 8 is fixed on the top of the base 1, wherein one three-jaw chuck assembly 7 is fixedly connected to the output shaft of the second power assembly 8; an electric slide 9 is fixed on the top of the base 1, a moving plate 10 is slidably connected to the electric slide 9, another three-jaw chuck assembly 7 is rotatably connected to the moving plate 10 through a bearing, and the centers of the two three-jaw chuck assemblies 7 are on the same axis; the three-jaw chuck assembly 7 includes a chuck body 701, three moving bars 702 are slidably connected to the chuck body 701 in a circular array, and clamping claws 703 are fixed to the three moving bars 702 ; The clamping jaw 703 is respectively provided with a primary clamping end 704, a secondary clamping end 705 and a tertiary clamping end 706, which gradually move away from the center of the chuck body 701; two mounting holes 707 are provided on one surface of the clamping jaw 703, and an extension clamping block 708 is installed on one surface of the clamping jaw 703 in cooperation with the mounting holes 707 using fastening screws; a through hole 11 is provided on one side wall of the housing 2, and the grinding wheel dynamic balancing instrument 6 is installed in the through hole 11, and a wiring terminal is provided on the grinding wheel dynamic balancing instrument 6.

[0025] The effect achieved by the entire embodiment 2 is that the first-level clamping end 704, the second-level clamping end 705, the third-level clamping end 706 and the detachable extension clamping block 708 can respectively clamp shaft workpieces of different diameter ranges. By combining them together, the processing range of the grinding device can be expanded, the clamping effect is better, and the flexibility of use is high.

[0026] Working principle: When in use, the personnel first installs one end of the shaft workpiece on the three-jaw chuck assembly 7 fixed to the second power assembly 8, and places the end at the center of the chuck body 701. Then the chuck body 701 works, which can drive the three moving bars 702 to retract inward together until the three clamping jaws 703 clamp one end of the workpiece. At this time, the end of the workpiece is clamped by the adapted first-level clamping end 704, the second-level clamping end 705 or the third-level clamping end 706. Then, with the cooperation of the electric slide 9, the moving plate 10 and the three-jaw chuck assembly 7 thereon are moved to the appropriate position. At this time, the above operation is repeated, and the three-jaw chuck assembly 7 can clamp the other end of the limited shaft workpiece. Finally, the first power assembly 3 is started, which can drive the grinding wheel body 4 to rotate at high speed and move toward the direction of the shaft workpiece, so that the grinding wheel body 4 contacts the surface of the shaft workpiece, and fine grinding and other operations can be performed. While the grinding wheel body 4 rotates, the grinding wheel dynamic balancing instrument 6 also starts to work, so as to detect the balance state of the grinding wheel body 4 in real time. state, and feeds back the detected data to the control terminal. Under the analysis and processing of the terminal computer algorithm, when the imbalance value exceeds the standard range, the control terminal can send a balance adjustment instruction and an adjustment plan to the grinding wheel dynamic balancing instrument 6. The grinding wheel dynamic balancing instrument 6 can adjust the grinding wheel body 4 according to the instruction, so that the balance of the grinding wheel body 4 can be maintained within the standard range. It should be noted here that the working principle of the grinding wheel dynamic balancing instrument 6 is a publicly available technology, so the principle of how the grinding wheel dynamic balancing instrument 6 adjusts the balance of the grinding wheel body 4 is not elaborated in the text. On the three-jaw chuck assembly 7, the diameter of the shaft workpiece that can be clamped by the three primary clamping ends 704 is smaller than the diameter of the shaft workpiece that can be clamped by the three secondary clamping ends 705, the diameter of the shaft workpiece that can be clamped by the three secondary clamping ends 705 is smaller than the diameter of the shaft workpiece that can be clamped by the three tertiary clamping ends 706, and the diameter of the shaft workpiece that can be clamped by the three tertiary clamping ends 706 is smaller than the diameter of the shaft workpiece that can be clamped by the three extension clamping blocks 708;

[0027] The wiring diagram of the first power component 3, the grinding wheel dynamic balancing instrument 6, the second power component 8 and the electric slide 9 and the peripheral control device in the utility model belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the first power component 3, the grinding wheel dynamic balancing instrument 6, the second power component 8 and the electric slide 9 are no longer explained in detail. In summary, the problems raised in the above background are solved.

[0028] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A balanced and adjustable grinding device, characterized in that: The invention comprises a base (1), a housing (2) and a first power assembly (3) are fixed on the top of the base (1), a grinding wheel body (4) is arranged in the housing (2), a rotating shaft (5) is rotatably connected to a side wall of the housing (2) via a bearing, the grinding wheel body (4) is sleeved and fixed on the rotating shaft (5), one end of the rotating shaft (5) is fixedly connected to the output shaft of the first power assembly (3), and a grinding wheel dynamic balancing instrument (6) is installed on the other end of the rotating shaft (5), and two three-jaw chuck assemblies (7) are arranged opposite to each other above the base (1).

2. A balanced and adjustable grinding device according to claim 1, characterized in that: A second power assembly (8) is fixed on the top of the base (1), and one of the three-jaw chuck assemblies (7) is fixedly connected to the output shaft of the second power assembly (8).

3. A balanced and adjustable grinding device according to claim 2, characterized in that: An electric slide (9) is fixed on the top of the base (1), a movable plate (10) is slidably connected to the electric slide (9), another three-jaw chuck assembly (7) is rotatably connected to the movable plate (10) via a bearing, and the centers of the two three-jaw chuck assemblies (7) are on the same axis.

4. A balanced and adjustable grinding device according to claim 1, characterized in that: The three-jaw chuck assembly (7) comprises a chuck body (701), on which three moving bars (702) are slidably connected in a circular array, and clamping jaws (703) are fixed on each of the three moving bars (702).

5. A balanced and adjustable grinding device according to claim 4, characterized in that: The clamping jaws (703) are respectively provided with a primary clamping end (704), a secondary clamping end (705) and a tertiary clamping end (706), and the primary clamping end (704), the secondary clamping end (705) and the tertiary clamping end (706) gradually move away from the center of the chuck body (701).

6. A balanced and adjustable grinding device according to claim 5, characterized in that: Two mounting holes (707) are provided on one surface of the clamping jaw (703), and an extension clamping block (708) is installed on one surface of the clamping jaw (703) by using fastening screws to match the mounting holes (707).

7. A balanced and adjustable grinding device according to claim 1, characterized in that: A through hole (11) is provided on one side wall of the housing (2), the grinding wheel dynamic balancing instrument (6) is installed in the through hole (11), and a wiring terminal is provided on the grinding wheel dynamic balancing instrument (6).

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