Double-adjustment deflection structure

Abstract

The utility model discloses a double-adjustment deflection structure which comprises a driving motor, an eccentric wheel, an eccentric seat, a sliding seat, an eccentric shaft, an adjusting screw rod, an adjusting lead screw, an upper adjusting nut and a lower adjusting nut, the sliding seat is arranged in a radial sliding groove of the eccentric wheel through the adjusting screw rod, one end of the eccentric shaft is arranged on the sliding seat, and the other end of the eccentric shaft is rotationally arranged on the eccentric seat. And the adjusting screw rod is arranged on the eccentric seat. When the up-down reciprocating swing amplitude of the swing movable seat needs to be adjusted, the position of the sliding seat in the radial sliding groove can be adjusted by screwing the adjusting screw so as to adjust the eccentric position of the sliding seat on the eccentric seat, and therefore the up-down reciprocating swing amplitude of the swing movable seat is adjusted. Meanwhile, the working length of the adjusting lead screw can be adjusted by screwing the upper adjusting nut and the lower adjusting nut, the up-down reciprocating swing amplitude of the swing movable seat can be adjusted as well, the double-adjusting structure is achieved, flexibility is high, the application range is wide, operation is easy and convenient, and wide application and popularization are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, and particularly relates to a double-adjustment swing structure applied to grinding equipment. Background Art

[0002] The applicant previously applied for a utility model patent named "Single-station CNC Grinding Machine" with a publication number of "CN208246437U", which discloses a single-station CNC grinding machine including a base, an X-axis movement mechanism, a Y-axis movement mechanism, a Z-axis movement mechanism, a fixed seat, a movable bracket, a swing movable seat, a swing mechanism, a feed movement mechanism, a rotary movement mechanism, a workpiece clamping device, and a polishing device. The swing mechanism includes a swing motor, an eccentric rotating block, and a linkage rod. The center position of one side surface of the eccentric rotating block is arranged on the driving shaft of the swing motor, and a radial assembly groove is provided on the other side surface. An eccentric shaft is arranged on the radial assembly groove. One end of the eccentric shaft is connected to the upper end of the linkage rod through a ball head assembly, and the lower end of the linkage rod is hinged to the swing movable seat. Although it can achieve the purpose of driving the swing movable seat to make reciprocating up-and-down swings, it is difficult to flexibly adjust and control the amplitude of the reciprocating up-and-down swings of the swing movable seat, with poor operability, which brings inconvenience to daily work and use. Summary of the Utility Model

[0003] Aiming at the above deficiencies, the purpose of the utility model is to provide a double-adjustment swing structure with reasonable structural design, high flexibility, simple and convenient operation.

[0004] To achieve the above purpose, the technical solution provided by the utility model is:

[0005] A double-adjustment swing structure includes a driving motor, an eccentric wheel, an eccentric seat, a sliding seat, an eccentric shaft, an adjusting screw, an adjusting lead screw, an upper adjusting nut, and a lower adjusting nut. The eccentric wheel is arranged on the driving shaft of the driving motor. A radial sliding groove is provided on the eccentric wheel. The sliding seat is arranged in the radial sliding groove through the adjusting screw. Rotating the adjusting screw drives the sliding seat to slide in the radial sliding groove. One end of the eccentric shaft is arranged on the sliding seat, and the other end is rotatably arranged on the eccentric seat. A through hole for the adjusting lead screw to pass through is provided on the eccentric seat. The adjusting lead screw sequentially passes through the upper adjusting nut, the through hole, and the lower adjusting nut.

[0006] As a preferred scheme of the utility model, one end of the eccentric wheel is provided with a sleeve adapted to the driving shaft, and the other end is provided with a round seat. The radial sliding groove is arranged on the round seat.

[0007] As a preferred embodiment of the present utility model, a circular sleeve is sleeved on the outer peripheral surface of the circular seat. An installation hole is provided on the circular sleeve corresponding to the position of the radial sliding groove. The adjusting screw is located in the radial sliding groove, and both ends are arranged on the installation hole.

[0008] As a preferred embodiment of the present utility model, the cross-section of the radial sliding groove is T-shaped, which has a good matching effect with the sliding seat and can prevent the sliding seat from moving in the axial direction.

[0009] As a preferred embodiment of the present utility model, a threaded hole adapted to the adjusting screw is provided at the connection between the eccentric shaft and the sliding seat. The matching effect is good. By turning the adjusting screw, the position of the sliding seat in the radial sliding groove can be adjusted.

[0010] As a preferred embodiment of the present utility model, a bearing adapted to the eccentric shaft is provided on the eccentric seat, which is beneficial to reducing the frictional resistance and improving the operating efficiency.

[0011] As a preferred embodiment of the present utility model, the number of the bearings is two, which can further improve the overall stability and load-bearing capacity.

[0012] As a preferred embodiment of the present utility model, a rod end spherical bearing is provided at one end of the adjusting screw rod, which is convenient for connecting with the swing movable seat.

[0013] The beneficial effects of the present utility model are as follows: The structure of the present utility model is reasonably designed. When it is necessary to adjust the amplitude of the up-and-down reciprocating swing of the swing movable seat, the position of the sliding seat in the radial sliding groove can be adjusted by turning the adjusting screw, so as to adjust the eccentric position of the sliding seat on the eccentric seat, thereby realizing the adjustment of the amplitude of the up-and-down reciprocating swing of the swing movable seat; at the same time, the working length of the adjusting screw rod can also be adjusted by turning the upper and lower adjusting nuts, and the amplitude of the up-and-down reciprocating swing of the swing movable seat can also be realized. It has a double-adjustment structure, high flexibility, wide application range, and simple and convenient operation, which is conducive to wide popularization and application.

[0014] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments. Description of the Drawings

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0016] Figure 2 It is a side view structural schematic diagram of the present utility model.

[0017] Figure 3 It is a structural schematic diagram of the eccentric seat in the present utility model.

[0018] Figure 4 It is an exploded structural schematic diagram of the present utility model.

[0019] Figure 5 It is a schematic structural diagram of the application of the present utility model on a grinding device. Specific embodiments

[0020] Embodiment, refer to Figures 1 to 5 , a double-adjustment yaw structure provided in this embodiment includes a driving motor 1, an eccentric wheel 2, an eccentric seat 3, a sliding seat 4, an eccentric shaft 5, an adjusting screw 6, an adjusting lead screw 7, an upper adjusting nut 8, and a lower adjusting nut 9.

[0021] The eccentric wheel 2 is arranged on the driving shaft of the driving motor 1, and a radial sliding groove 21 is provided on the eccentric wheel 2. Specifically, one end of the eccentric wheel 2 is provided with a sleeve 22 adapted to the driving shaft, and the other end is provided with a round seat 23, and the radial sliding groove 21 is arranged on the round seat 23.

[0022] The sliding seat 4 is arranged in the radial sliding groove 21 through the adjusting screw 6. Specifically, a round sleeve 10 is sleeved on the outer peripheral surface of the round seat 23, an installation hole is provided at a position corresponding to the radial sliding groove 21 on the round sleeve 10, the adjusting screw 6 is located in the radial sliding groove 21, and both ends are arranged on the installation hole 11.

[0023] One end of the eccentric shaft 5 is arranged on the sliding seat 4, and the other end is rotatably arranged on the eccentric seat 3. Preferably, a bearing 12 adapted to the eccentric shaft 5 is provided on the eccentric seat 3, which is beneficial to reducing the frictional resistance and improving the operating efficiency. In this embodiment, the number of the bearings 12 is preferably two, which can further improve the overall stability and load-bearing capacity. A screw hole adapted to the adjusting screw 6 is provided at the connection between the eccentric shaft 5 and the sliding seat 4, and the matching effect is good. By screwing the adjusting screw 6, the sliding of the sliding seat 4 in the radial sliding groove 21 can be adjusted. Preferably, the cross-section of the radial sliding groove 21 is T-shaped, which has a good matching effect with the sliding seat 4 and can prevent the sliding seat 4 from moving in the axial direction and can only slide radially.

[0024] A through hole 31 for the adjusting lead screw 7 to pass through is provided on the eccentric seat 3. The adjusting lead screw 7 sequentially passes through the upper adjusting nut 8, the through hole 31, and the lower adjusting nut 9. One end of the adjusting lead screw 7 is provided with a rod end spherical bearing 13, which is convenient for connecting with the swinging movable seat 14. By correspondingly loosening and tightening the upper adjusting nut 8 and the lower adjusting nut 9, the amplitude of the up-and-down reciprocating swing of the swinging movable seat 14 can be adjusted.

[0025] During operation, if it is necessary to adjust the amplitude of the up-and-down reciprocating swing of the swing movable seat 14, the position of the sliding seat 4 in the radial sliding groove 21 can be adjusted by turning the adjusting screw rod 6, so as to adjust the eccentric position of the sliding seat 4 on the eccentric seat 3, thereby realizing the adjustment of the amplitude of the up-and-down reciprocating swing of the swing movable seat 14. At the same time, the working length of the adjusting screw rod 7 can also be adjusted by turning the upper and lower adjusting nuts 9, and the amplitude of the up-and-down reciprocating swing of the swing movable seat 14 can also be realized. It has a double-adjustment structure, is easy and convenient to operate, and saves time and effort.

[0026] According to the disclosure and teachings of the above specification, those skilled in the art to which the present invention pertains can also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention. Structures identical or similar to it are all within the protection scope of the present invention.

Claims

1. A double-adjustment yaw structure, which includes a driving motor, characterized in that, It further includes an eccentric wheel, an eccentric seat, a sliding seat, an eccentric shaft, an adjusting screw rod, an adjusting lead screw, an upper adjusting nut and a lower adjusting nut. The eccentric wheel is arranged on the driving shaft of the driving motor. A radial sliding groove is provided on the eccentric wheel. The sliding seat is arranged in the radial sliding groove through the adjusting screw rod. Rotating the adjusting screw rod drives the sliding seat to slide in the radial sliding groove. One end of the eccentric shaft is arranged on the sliding seat, and the other end is rotatably arranged on the eccentric seat. A through hole for the adjusting lead screw to pass through is provided on the eccentric seat. The adjusting lead screw sequentially passes through the upper adjusting nut, the through hole and the lower adjusting nut.

2. The double-adjustment yaw structure according to claim 1, wherein: One end of the eccentric wheel is provided with a sleeve adapted to the driving shaft, and the other end is provided with a round seat. The radial sliding groove is arranged on the round seat.

3. The double-adjustment yaw structure according to claim 2, characterized in that: A round sleeve is sleeved on the outer peripheral surface of the round seat. An installation hole is provided on the round sleeve corresponding to the position of the radial sliding groove. The adjusting screw rod is located in the radial sliding groove, and both ends are arranged on the installation hole.

4. The double-adjustment yaw structure according to claim 1, wherein: The cross section of the radial sliding groove is T-shaped.

5. The double-adjustment yaw structure according to claim 1, wherein: A screw hole adapted to the adjusting screw rod is provided at the connection between the eccentric shaft and the sliding seat.

6. The double-adjustment yaw structure according to claim 1 or 5, characterized in that: A bearing adapted to the eccentric shaft is provided on the eccentric seat.

7. The dual-adjustment yaw structure according to claim 6, wherein: The number of the bearings is two.

8. The double-adjustment yaw structure according to claim 1, wherein: A rod end spherical bearing is provided at one end of the adjusting lead screw.

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