Large rolling cutter rotary motion mechanism
By designing a rotary motion mechanism that includes a base plate, a reduction mechanism, and a gear transmission mechanism, the reliability problem of the reducer drive for large rolling cutters was solved, the strength of the transmission components was enhanced, and the rotation angle requirements of large rolling cutters were met.
Patent Information
- Application Number
- CN202311608415.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2043-11-28
AI Technical Summary
In the existing technology, the reducer of large rolling cutter directly drives the end load with insufficient reliability, and the load torque is long, resulting in insufficient strength of the transmission components.
A rotary motion mechanism including a base plate, a reduction mechanism, a gear transmission mechanism and a rotary output shaft was designed. The reliability and stress strength of the transmission components are enhanced by combining a reducer, a pinion, a pinion and a large gear, and by using angular contact ball bearings and double-direction thrust ball bearings.
It improves the reliability of the reducer driving the end load, shortens the load torque, enhances the strength of the transmission components, and meets the rotation angle requirements of large rolling cutters.
Smart Images

Figure CN117817703B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a large rolling tool changer and mechanical design technical field, specifically relates to a kind of large rolling tool rotation mechanism. BACKGROUND
[0002] In order to realize the automatic tool changing function of mechanical arm, according to the various poses of large rolling tool on the original mechanism, a mechanism needs to be designed, which can fully simulate the various positions and attitudes of large rolling tool, so as to simulate the tool changing process of mechanical arm, so as to verify the feasibility of autonomous tool changing.
[0003] The end load of large rolling tool in the mechanism is heavy, and the volume is large, in order to meet the rotation angle requirement of large rolling tool, a large rolling tool rotation mechanism is designed, which solves the reliability of end load directly driven by speed reducer, and shortens the load torque as much as possible, and increases the stress intensity of transmission member. SUMMARY
[0004] The technical problem to be solved by the present application is to provide a large rolling tool rotation mechanism, which solves the reliability of end load directly driven by speed reducer, and shortens the load torque as much as possible, and increases the stress intensity of transmission member.
[0005] In order to solve the above technical problems, the technical scheme of the present application is: a large rolling tool rotation mechanism, comprising a bottom plate, a speed reduction mechanism, a gear transmission mechanism, a rotary output shaft, a rotary bottom plate, a tool load, the speed reduction mechanism is installed on the bottom plate, and is connected with the rotary output shaft through the gear transmission mechanism, the rotary output shaft is connected with the tool load through the rotary bottom plate.
[0006] Further, the speed reduction mechanism includes a speed reducer, a pinion shaft, a pinion gear and a rotating wheel, the speed reducer is installed on the back of the bottom plate, the output end of the speed reducer is connected with the pinion shaft, one end of the pinion shaft passes through the hollow inside of the speed reducer and is connected with the bearing seat through angular contact ball bearing A, which increases the bending moment resistance of the pinion shaft and the reliability of the speed reducer, the input end of the speed reducer is provided with the rotating wheel, the rotating wheel is manually rotated to drive the pinion gear to rotate through the speed reducer, and the pinion shaft is connected with the large gear in the gear transmission mechanism through the pinion gear.
[0007] Further, the bearing seat is connected with the back of the bottom plate through a connecting shaft.
[0008] Further, the gear transmission mechanism comprises a large gear, a large gear bearing seat, a thrust bearing seat, a rotating output shaft, one end of the large gear is connected with the large gear bearing seat through an angular contact ball bearing B, the large gear bearing seat is installed on the bottom plate, the other end of the large gear is connected with the thrust bearing seat through a bidirectional thrust ball bearing, the thrust bearing seat is installed on the bottom plate, the rotating output shaft is installed on the large gear, and the rotating output shaft is connected with a rotating bottom plate, and a tool load is installed on the rotating bottom plate.
[0009] Further, the outer ring of the bidirectional thrust ball bearing is connected with a thrust bearing end cover and is installed on the thrust bearing seat, the inner ring of the bidirectional thrust ball bearing is connected with an axle end baffle and is installed on the large gear, the bending moment of the bidirectional thrust ball bearing is used to bear the load, and the angular contact ball bearing is used to complete the centering installation of the large gear.
[0010] Further, three uniformly distributed rotating output shafts are installed on the large gear, and the three uniformly distributed rotating output shafts can increase the rigidity of the output torque.
[0011] The present application has the following beneficial effects:
[0012] The present application provides a large rolling type tool rotating movement mechanism, which solves the reliability of the end load directly driven by the speed reducer, and can shorten the load moment and increase the stress intensity of the transmission member. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 、 Figure 2 It is a schematic diagram of a tool rotating movement mechanism;
[0014] Figure 3 It is a schematic diagram of a speed reducer installation;
[0015] Figure 4 It is a schematic diagram of a large gear output;
[0016] The reference signs are as follows: 1 - bottom plate; 2 - speed reducer; 3 - pinion shaft; 4 - angular contact ball bearing A; 5 - bearing seat; 6 - connecting shaft; 7 - runner; 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 - axle end baffle; 15 - thrust bearing seat; 16 - rotating output shaft; 17 - rotating bottom plate; 18 - tool load; 19 - rotating movement mechanism. DETAILED DESCRIPTION
[0017] The present application will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present application and are not used to limit the scope of the present application. In addition, it should be understood that those skilled in the art can make various modifications or changes to the present application after reading the content taught by the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0018] The purpose of the present application is to provide a large rolling cutter rotary motion mechanism which solves the reliability of the reduction gear directly driving the end load and as much as possible shortens the load torque, increases the stress intensity of the transmission member.
[0019] In combination Figure 1 , Figure 2 and Figure 3 It can be seen that the bottom plate 1 of the rotary motion mechanism 19 is provided with a reduction gear 2, the output end of the reduction gear 2 is connected with a pinion shaft 3, one end of the pinion shaft 3 passes through the hollow interior of the reduction gear 2 and is connected with a bearing seat 5 through an angular contact ball bearing A4, the bearing seat 5 is connected with the back surface of the bottom plate 1 through a connecting shaft 6, the pinion shaft 3 is provided with a pinion 8, and the input end of the reduction gear 2 is provided with a runner 7.
[0020] In combination Figure 1 , Figure 2 and Figure 4 It can be seen that the pinion 8 is engaged with a large gear 9, one end of the large gear 9 is connected with a large gear bearing seat 10 through an angular contact ball bearing B11, the large gear bearing seat 10 is installed on the bottom plate 1, the other end of the large gear 9 is connected with a thrust bearing seat 15 through a bidirectional thrust ball bearing 12, the thrust bearing seat 15 is installed on the bottom plate 1, the outer ring of the bidirectional thrust ball bearing 12 is connected with a thrust bearing end cover 13 and is installed on the thrust bearing seat 15, the inner ring of the bidirectional thrust ball bearing 12 is connected with a shaft end baffle 14 and is installed on the large gear 9, the large gear 9 is provided with three evenly distributed rotary output shafts 16, the rotary output shafts 16 are connected with a rotary bottom plate 17, and the rotary bottom plate 17 is provided with a cutter load 18.
[0021] In the specification, specific examples are applied to the principles and implementation modes of the present application, and the above examples are only used to help understand the method of the present application and its core concept; at the same time, for those skilled in the art, according to the concept of the present application, the specific implementation mode and application range will be changed. In view of the above, the content of the specification should not be understood as a limitation of the present application.
Claims
1. A large-scale rolling-type cutter rotary motion mechanism characterized by: The utility model discloses a rotary tool, including bottom plate, speed reducer, gear transmission mechanism, rotary output shaft, rotary bottom plate, cutter load, speed reducer is installed on the bottom plate, and is connected rotary output shaft through gear transmission mechanism, and rotary output shaft is connected cutter load through rotary bottom plate, the speed reducer includes speed reducer, pinion shaft, pinion, runner, and speed reducer is installed on the back of bottom plate, and the output end of speed reducer is connected with pinion shaft, and one end of pinion shaft passes through the hollow inside of speed reducer and is connected with bearing seat through angular contact ball bearing A, and the bending moment capacity of pinion shaft is increased, and the reliability of speed reducer is increased, and the input end of speed reducer is installed with runner, and utilizes manual rotation runner to drive pinion rotation through speed reducer, and pinion shaft is connected the big gear of gear transmission mechanism through pinion, gear transmission mechanism includes big gear, big gear bearing seat, thrust bearing seat, rotary output shaft, and one end of big gear is connected with big gear bearing seat through angular contact ball bearing B, and big gear bearing seat is installed on the bottom plate, and the other end of big gear is connected with thrust bearing seat through bidirectional thrust ball bearing, and thrust bearing seat is installed on the bottom plate, and rotary output shaft is installed on big gear, and rotary output shaft is connected with rotary bottom plate, and cutter load is installed on rotary bottom plate, and three even rotary output shafts are installed on big gear, and three even rotary output shafts can increase the rigidity of output torque.
2. A large-scale rolling cutter rotary motion mechanism according to claim 1, characterized by: The bearing seat is connected with the back of the bottom plate through a connecting shaft.
3. A large-scale rolling cutter rotary motion mechanism according to claim 1, characterized by: The outer ring of the bidirectional thrust ball bearing is connected with the thrust bearing end cover and is installed on the thrust bearing seat, and the inner ring of the bidirectional thrust ball bearing is connected with the shaft end baffle and is installed on the big gear, the bending moment of the load is borne by the bidirectional thrust ball bearing, and the angular contact ball bearing is used for completing the centering installation of the big gear.
Citation Information
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