Rotary motion mechanism for large rolling cutter

Abstract

A rotary motion mechanism for a large rolling cutter, comprising a bottom plate, a speed reduction mechanism, a gear transmission mechanism, rotary output shafts, a rotary bottom plate, and a cutter load, wherein the speed reduction mechanism is mounted on the bottom plate and is connected to the rotary output shafts by means of the gear transmission mechanism, and the rotary output shafts are connected to the cutter load by means of the rotary bottom plate. A rotary wheel is manually rotated to drive a speed reducer of the speed reduction mechanism to rotate, so as to drive a small gear to rotate, the small gear moves in mesh with a large gear of the gear transmission mechanism, and three rotary output shafts evenly distributed on the large gear drive the rotary bottom plate and the cutter load to achieve rotary motion. According to the mechanism, the problem of poor reliability of a speed reducer directly driving an end load is solved, the load torque is shortened as much as possible, and the load-bearing capacity of a transmission member is improved.

Description

A large rolling tool rotary motion mechanism Technical Field

[0001] The present invention relates to the technical field of large-scale rolling tool replacement and mechanical design, and in particular to a large-scale rolling tool rotary motion mechanism. Background Art

[0002] In order to realize the automatic tool changing function of the robotic arm, a mechanism needs to be designed based on the various positions and postures of the large rolling tool on the original mechanism, which can fully simulate the various positions and postures of the large rolling tool, so that the robotic arm can simulate the tool changing process and verify the feasibility of autonomous tool changing.

[0003] The end load of the large rolling tool in this mechanism is relatively heavy and the volume is large. In order to meet the rotation angle requirements of the large rolling tool, a large rolling tool rotation motion mechanism is designed. This mechanism solves the reliability of the reducer directly driving the end load, shortens the load torque as much as possible, and increases the force strength of the transmission parts.

[0004] Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a large rolling tool rotary motion mechanism for solving the reliability of the reducer directly driving the end load, shortening the load torque as much as possible, and increasing the force strength of the transmission parts.

[0006] In order to solve the above technical problems, the technical solution of the present invention is: a large rolling tool rotation motion mechanism, including a base plate, a reduction mechanism, a gear transmission mechanism, a rotating output shaft, a rotating base plate, a tool load, the reduction mechanism is installed on the base plate and connected to the rotating output shaft through the gear transmission mechanism, and the rotating output shaft is connected to the tool load through the rotating base plate.

[0007] Furthermore, the reduction mechanism includes a reducer, a pinion shaft, a pinion, and a rotating wheel. The reducer is installed on the back of the base plate. The output end of the reducer is connected to the pinion shaft. One end of the pinion shaft passes through the hollow interior of the reducer and is connected to the bearing seat through an angular contact ball bearing A, which increases the bending moment resistance of the pinion shaft and increases the reliability of the reducer. A rotating wheel is installed at the input end of the reducer. The rotating wheel is manually rotated to drive the pinion to rotate through the reducer. The pinion shaft is connected to the large gear in the gear transmission mechanism through the pinion gear.

[0008] Furthermore, the bearing seat is connected to the back side of the base plate through a connecting shaft.

[0009] Furthermore, the gear transmission mechanism includes a large gear, a large gear bearing seat, a thrust bearing seat, and a rotating output shaft. One end of the large gear is connected to the large gear bearing seat through an angular contact ball bearing B, and the large gear bearing seat is installed on the base plate. The other end of the large gear is connected to the thrust bearing seat through a bidirectional thrust ball bearing, and the thrust bearing seat is installed on the base plate. The rotating output shaft is installed on the large gear, and the rotating output shaft is connected to the rotating base plate, and a tool load is installed on the rotating base plate.

[0010] Furthermore, the outer ring of the bidirectional thrust ball bearing is connected to the thrust bearing end cover and installed on the thrust bearing seat, and the inner ring of the bidirectional thrust ball bearing is connected to the shaft end baffle and installed on the large gear. The bidirectional thrust ball bearing is used to withstand the bending moment of the load, and the angular contact ball bearing is used to complete the centering installation of the large gear.

[0011] Furthermore, three evenly distributed rotating output shafts are installed on the large gear, and the three evenly distributed rotating output shafts can increase the rigidity of the output torque.

[0012] The beneficial effects of the present invention are:

[0013] The present invention provides a large rolling tool rotary motion mechanism, which solves the reliability problem of a reducer directly driving a terminal load, can effectively shorten the load moment, and increases the force strength of a transmission part. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figures 1 and 2 are schematic diagrams of the tool rotation mechanism;

[0015] Figure 3 is a schematic diagram of the speed reducer installation;

[0016] Figure 4 is a schematic diagram of the large gear output;

[0017] Explanation of the accompanying drawings: 1-base plate; 2-reducer; 3-pinion shaft; 4-angular contact ball bearing A; 5-bearing seat; 6-connecting shaft; 7-rotor; 8-pinion; 9-large gear; 10-large gear bearing seat; 11-angular contact ball bearing B; 12-bidirectional thrust ball bearing; 13-thrust bearing end cover; 14-shaft end baffle; 15-thrust bearing seat; 16-rotating output shaft; 17-rotating base plate; 18-tool load; 19-rotating motion mechanism. DETAILED DESCRIPTION

[0018] Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments are only used to illustrate the present invention and are not used in limiting the scope of the present invention.In addition, should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall equally within the scope limited by the appended claims of the application.

[0019] The purpose of the present invention is to provide a large rolling tool rotary motion mechanism, which solves the reliability of the reducer directly driving the end load, shortens the load torque as much as possible, and increases the force strength of the transmission part.

[0020] In combination with Figures 1, 2 and 3, it can be seen that a reducer 2 is installed on the back of the base plate 1 of the rotary motion mechanism 19, the output end of the reducer 2 is connected to the pinion shaft 3, one end of the pinion shaft 3 passes through the hollow interior of the reducer 2 and is connected to the bearing seat 5 through an angular contact ball bearing A4, the bearing seat 5 is connected to the back of the base plate 1 through a connecting shaft 6, a pinion 8 is installed on the pinion shaft 3, and a runner 7 is installed at the input end of the reducer 2.

[0021] In combination with Figures 1, 2 and 4, it can be seen that the pinion 8 is meshed with the large gear 9, one end of the large gear 9 is connected to the large gear bearing seat 10 through an angular contact ball bearing B11, and the large gear bearing seat 10 is mounted on the base plate 1. The other end of the large gear 9 is connected to the thrust bearing seat 15 through a bidirectional thrust ball bearing 12, and the thrust bearing seat 15 is mounted on the base plate 1. The outer ring of the bidirectional thrust ball bearing 12 is connected to the thrust bearing end cover 13 and is mounted on the thrust bearing seat 15. The inner ring of the bidirectional thrust ball bearing 12 is connected to the shaft end baffle 14 and is mounted on the large gear 9. Three evenly distributed rotary output shafts 16 are installed on the large gear 9. The rotary output shaft 16 is connected to the rotating base plate 17, and the rotating base plate 17 is mounted with a tool load 18.

[0022] This specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A large rolling tool rotary motion mechanism, characterized in that; It includes a base plate, a reduction mechanism, a gear transmission mechanism, a rotating output shaft, a rotating base plate, and a tool load. The reduction mechanism is installed on the base plate and connected to the rotating output shaft through the gear transmission mechanism. The rotating output shaft is connected to the tool load through the rotating base plate.

2. A large rolling tool rotary motion mechanism according to claim 1, characterized in that: The reduction mechanism includes a reducer, a small gear shaft, a small gear, and a rotating wheel. The reducer is installed on the back of the base plate. The output end of the reducer is connected to the small gear shaft. One end of the small gear shaft passes through the hollow interior of the reducer and is connected to the bearing seat through an angular contact ball bearing A, which increases the bending moment resistance of the small gear shaft and increases the reliability of the reducer. A rotating wheel is installed at the input end of the reducer. The small gear is driven to rotate through the reducer by manually rotating the rotating wheel. The small gear shaft is connected to the large gear in the gear transmission mechanism through the small gear.

3. A large rolling tool rotary motion mechanism according to claim 2, characterized in that: The bearing seat is connected to the back side of the base plate through a connecting shaft.

4. A large rolling tool rotary motion mechanism according to claim 1, characterized in that: The gear transmission mechanism includes a large gear, a large gear bearing seat, a thrust bearing seat, and a rotating output shaft. One end of the large gear is connected to the large gear bearing seat through an angular contact ball bearing B, and the large gear bearing seat is installed on the base plate. The other end of the large gear is connected to the thrust bearing seat through a bidirectional thrust ball bearing, and the thrust bearing seat is installed on the base plate. The rotating output shaft is installed on the large gear, and the rotating output shaft is connected to the rotating base plate, and a tool load is installed on the rotating base plate.

5. A large rolling tool rotary motion mechanism according to claim 4, characterized in that: The outer ring of the bidirectional thrust ball bearing is connected to the thrust bearing end cover and installed on the thrust bearing seat. The inner ring of the bidirectional thrust ball bearing is connected to the shaft end baffle and installed on the large gear. The bidirectional thrust ball bearing is used to bear the bending moment of the load, and the angular contact ball bearing is used to complete the centering installation of the large gear.

6. A large rolling tool rotary motion mechanism according to claim 4, characterized in that: The large gear is provided with three equally distributed rotating output shafts, which can increase the rigidity of the output torque.

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