CN217167737U

CN217167737U - Synchronous slewing mechanism

Info

Publication number: CN217167737U
Application number: CN202220762951.2U
Authority: CN
Inventors: 于久宝; 王飞; 李瑞扬; 陈铖; 谢阳阳
Original assignee: Danyang Sunan High End Equipment Manufacturing Research Institute; Jiangsu Gongda Jinkai High Value Manufacturing Ltd
Current assignee: Danyang Sunan High End Equipment Manufacturing Research Institute; Jiangsu Gongda Jinkai High Value Manufacturing Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-12
Anticipated expiration: 2032-04-02

Abstract

The utility model belongs to the technical field of the machining technique and specifically relates to a synchronous rotation mechanism. The utility model provides a synchronous rotation mechanism, includes the base, has driving shaft subassembly and driven shaft subassembly through screw fixed mounting on the base, has the driving shaft swing arm through the mounting screw on the driving shaft subassembly, has the driven shaft swing arm through the mounting screw on the driven shaft subassembly, adopts link mechanism to be connected between driving shaft swing arm and the driven shaft swing arm. The synchronous slewing mechanism is communicated with the driving shaft swing arm and the driven shaft swing arm through the connecting rod mechanism, is driven through the driving shaft assembly, can complete synchronous slewing operation by adopting a group of driving mechanisms, is simple in structure and good in synchronous effect, can provide higher supporting rigidity, and is wide in application field and flexible and applicable in structure.

Description

Synchronous slewing mechanism

Technical Field

The utility model belongs to the technical field of the machining technique and specifically relates to a synchronous rotation mechanism.

Background

The conventional design structure of the synchronous rotating shaft at present adopts two groups of driving motors, so that the synchronism between two swing arms cannot be completely guaranteed, deviation is easy to occur if the driving speeds of the driving motors are different, the structure is complex, and the production cost of the device is high.

In view of the above-mentioned drawbacks, the designer actively makes research and innovation to create a synchronous revolving mechanism, so that the synchronous revolving mechanism has industrial value.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a synchronous rotation mechanism.

The utility model discloses a synchronous rotation mechanism, including the base, there are driving shaft subassembly and driven shaft subassembly through screw fixed mounting on the base, have the driving shaft swing arm through the mounting screw on the driving shaft subassembly, have the driven shaft swing arm through the mounting screw on the driven shaft subassembly, adopt link mechanism to be connected between driving shaft swing arm and the driven shaft swing arm.

Furthermore, the driving shaft assembly comprises a rotating shaft seat fixed on the base, the mounting seat on the outer side of the harmonic speed reducer is fixed on the through hole outer ring of the rotating shaft seat through screws, a rotary motor is installed at the tail end of the harmonic speed reducer, and the driving shaft swing arm is installed at the front end of the harmonic speed reducer through a plurality of screws.

Furthermore, a driving shaft pin and a driven shaft pin are respectively arranged on the driving shaft swing arm and the driven shaft swing arm, a driving joint bearing and a driven joint bearing are respectively arranged at two ends of the connecting rod, the driving joint bearing and the driven joint bearing are respectively sleeved on the driving shaft pin and the driven shaft pin, and a nut II and a nut I are respectively screwed in the outer ends of the driving shaft pin and the driven shaft pin.

Furthermore, the driven shaft assembly is internally provided with a bearing seat fixed on the base, a driven shaft is movably arranged in the bearing seat through a deep groove ball bearing and a cross roller bearing, and the tail end of the driven shaft is fixedly connected with a driven shaft swing arm through a second screw.

Furthermore, the end of the bearing seat is fixedly provided with a hard limit through a screw, the middle of the hard limit is hollow, the end of the driven shaft is fixedly provided with a hard limit baffle through a screw, the end of the hard limit baffle is a convex stop, and a groove for the stop to move is arranged below the hard limit.

Further, there is soft limit switch mounting panel the top of bearing frame through fix with screw mounting, the tip of soft limit switch mounting panel is buckled perpendicularly downwards, there is zero position switch at the tip intermediate position of soft limit switch mounting panel through lock nut fixed mounting, the tip of soft limit switch mounting panel has curved limit switch mounting groove, left limit switch and right limit switch are installed through lock nut respectively to the both ends end of limit switch mounting groove, there is soft spacing separation blade through fix with screw on the hard limit baffle, it has the arc wall to open one side of soft spacing separation blade.

Furthermore, the inner side of the arc-shaped groove and the zero position switch are positioned on the same circle center under the centering state of the soft limiting baffle, and the arc-shaped diameter of the inner opening of the arc-shaped groove is consistent with the diameter of the zero position limiting switch.

By the scheme, the invention at least has the following advantages: the synchronous slewing mechanism is communicated with the driving shaft swing arm and the driven shaft swing arm through the connecting rod mechanism, then is driven through the driving shaft assembly, can complete synchronous slewing operation by adopting a group of driving mechanisms, is simple in structure and good in synchronous effect, can provide higher supporting rigidity, and is wide in application field and flexible and applicable in structure.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the main drive shaft assembly of the present invention;

fig. 3 is a schematic cross-sectional view of the main drive shaft assembly of the present invention;

fig. 4 is a schematic structural diagram of the link mechanism of the present invention;

fig. 5 is a schematic sectional view of the link mechanism of the present invention;

fig. 6 is a schematic structural view of the driven shaft assembly of the present invention;

fig. 7 is a schematic cross-sectional view of the driven shaft assembly of the present invention;

fig. 8 is a schematic front view of the driven shaft assembly of the present invention;

in the figure: 100. the device comprises a base 200, a driving shaft assembly 300, driving shaft swing arms 400, a connecting rod mechanism 500, driven shaft swing arms 600 and a driven shaft assembly;

201. a rotary motor 202, a harmonic speed reducer 203, a rotating shaft seat 204 and a screw I;

401. driven joint bearing 402, driven shaft pin 403, nut I404, connecting rod 405, driving joint bearing 406, nut II 407 and driving shaft pin;

601. the device comprises a bearing seat, 602, a deep groove ball bearing, 603, a driven shaft, 604, a crossed roller bearing, 605, a screw II, 606, a soft limit switch mounting plate, 607, a hard limit block, 608, a soft limit baffle, 609, a zero position switch, 610, an expansion nut, 611, a hard limit stop, 612, a right limit switch, 613, a left limit switch, 614, a limit switch mounting groove, 615 and an arc-shaped groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, a synchronous rotation mechanism according to a preferred embodiment of the present invention, including the base 100, there are a driving shaft assembly 200 and a driven shaft assembly 600 installed on the base 100 through screws, a driving shaft swing arm 300 installed on the driving shaft assembly 200 through screws, a driven shaft swing arm 500 installed on the driven shaft assembly 600 through screws, and a link mechanism 400 is used between the driving shaft swing arm 300 and the driven shaft swing arm 500 for connection.

The synchronous slewing mechanism is provided with a slewing motor 201 on a driving shaft assembly 200, which provides driving force for the synchronous slewing mechanism, when the slewing motor 201 rotates, the driving shaft swing arm 300 is driven to swing along the slewing center of the driving shaft assembly 200, and when the driving shaft swing arm 300 moves, the connecting rod mechanism 400 drives the driven shaft swing arm 500 to rotate along the slewing center of the driven shaft assembly 600. Wherein the driving shaft assembly 200 plays supporting and driving roles, the driven shaft assembly 600 plays supporting and limiting roles, and the driving shaft swing arm 300 and the driven shaft swing arm 500 are connected through the link mechanism 400, so that the driving shaft swing arm 300 and the driven shaft swing arm 500 perform synchronous swinging back motion.

Further, the driving shaft assembly 200 includes a rotating shaft seat 203 fixed on the base 100, a mounting seat outside the harmonic reducer 202 is fixed on a through hole outer ring of the rotating shaft seat 203 through screws, a rotary motor 201 is installed at the tail end of the harmonic reducer 202, and the driving shaft swing arm 300 is installed at the front end of the harmonic reducer 202 through a plurality of screws one 204.

As shown in fig. 2 and 3, the rotating shaft seat 203 is fixed on the base 100 by screws, the rotating shaft seat 203 is provided with a harmonic speed reducer 202, the rear end of the rotating shaft seat is provided with a rotary motor 201, the driving shaft swing arm 300 is fixed at the front end of the harmonic speed reducer 202 by a plurality of screws 204, and the driving shaft swing arm 300 is driven by the rotary motor 201 and the harmonic speed reducer 202 to do rotary motion along the axis of the driving shaft assembly 200. Wherein, rotary motor 201 provides drive power for driving shaft subassembly 200, and harmonic speed reducer machine 202 plays the effect of improving the moment of torsion and axial and radial support in driving shaft subassembly 200.

Further, a driving shaft pin 407 and a driven shaft pin 402 are respectively mounted on the driving shaft swing arm 300 and the driven shaft swing arm 500, a driving knuckle bearing 405 and a driven knuckle bearing 401 are respectively mounted at two ends of the connecting rod 404, the driving knuckle bearing 405 and the driven knuckle bearing 401 are respectively sleeved on the driving shaft pin 407 and the driven shaft pin 402, and a nut two 406 and a nut one 403 are respectively screwed into the outer ends of the driving shaft pin 407 and the driven shaft pin 402.

As shown in fig. 4 and 5, a driving shaft pin 407 is fixed on the driving shaft swing arm 300, a driving knuckle bearing 405 is sleeved on the driving shaft pin 407, a nut II 406 is screwed on the driving shaft pin 407 to fix the driving knuckle bearing 405, and the driving knuckle bearing 405 is fixed on the connecting rod 404 through threaded connection; a driven shaft pin 402 is fixed on the driven shaft swing arm 500, a driven shaft pin 402 is sleeved with a driven knuckle bearing 401, a nut I403 is screwed on the driven shaft pin 402 to fix the driven knuckle bearing 401, and the driven knuckle bearing 401 is fixed on a connecting rod 404 through threaded connection; the link mechanism 400 drives the driving shaft swing arm 300 and the driven shaft swing arm 500 to synchronously rotate.

Further, the driven shaft assembly 600 is enclosed in a bearing seat 601 fixed on the base 100, a driven shaft 603 is movably installed in the bearing seat 601 through a deep groove ball bearing 602 and a cross roller bearing 604, and the tail end of the driven shaft 603 is fixedly connected with the driven shaft swing arm 500 through a second screw 605.

As shown in fig. 6-8, the bearing seat 601 is fixed on the base 100 by screws, the deep groove ball bearing 602 and the cross roller bearing 604 are installed inside the bearing seat 601, the driven shaft 603 is installed between the deep groove ball bearing 602 and the cross roller bearing 604, the tail of the driven shaft 603 is provided with threads, and the expansion nut 610 is locked at the tail of the driven shaft 603 by the threads to prevent the driven shaft 603 from axially moving. The two ends of the driven shaft 603 are limited and supported through the deep groove ball bearing 602 and the crossed roller bearing 604, so that the driven shaft 603 can rotate conveniently, and when the driven shaft 603 starts to rotate, the driven shaft assembly 600 can rotate, and synchronous rotation operation is realized.

Further, the end of the bearing seat 601 is fixedly provided with a hard limit 607 through a screw, the middle of the hard limit 607 is hollow, the end of the driven shaft 603 is fixedly provided with a hard limit baffle 611 through a screw, the end of the hard limit baffle 611 is a convex stop, and a groove for moving the stop is arranged below the hard limit 607.

The lower part of a hard limit 607 arranged at the end part of the bearing seat 601 is a larger limit groove, the hard limit baffle 611 is arranged on the driven shaft 603 through a screw, the driven shaft 603 drives the hard limit baffle 611 to rotate when rotating, the convex part at the lower end of the hard limit baffle 611 is clamped in the limit groove at the lower part, the lowest point of the limit groove is the central point of the groove, the strokes at the two sides are consistent, thus the maximum stroke of the convex part at the lower end of the hard limit baffle 611 swinging left and right is limited, and the limit purpose is achieved.

Further, a soft limit switch mounting plate 606 is fixedly mounted above the bearing seat 601 through a screw, the end of the soft limit switch mounting plate 606 is bent downwards and vertically, a zero position switch 609 is fixedly mounted in the middle of the end of the soft limit switch mounting plate 606 through a locking nut, an arc-shaped limit switch mounting groove 614 is formed in the end of the soft limit switch mounting plate 606, a left limit switch 613 and a right limit switch 612 are mounted at the tail ends of two ends of the limit switch mounting groove 614 respectively through locking nuts, a soft limit baffle 608 is fixed on the hard limit baffle 611 through a screw, and an arc-shaped groove 615 is formed in one side of the soft limit baffle 608.

As shown in fig. 8, the zero switch 609, the left limit switch 613 and the right limit switch 612 are fixedly installed by a lock nut, the soft limit switch installation plate 606 is fixedly installed with the bearing seat 601, the soft limit baffle 611 installed at the end of the driven shaft 603 rotates along with the driven shaft 603, when the soft limit baffle 611 rotates, the soft limit baffle 611 is in an initial state of completely shielding the left limit switch 613 and the right limit switch 612, the left limit switch 613 and the right limit switch 612 are photoelectric sensing switches, when the left limit switch 613 and the right limit switch 612 sense that the position exceeding 3/4 is shielded by the soft limit baffle 611, the left limit switch 613 and the right limit switch 612 are in a safe swing range, when the left limit switch 613 and the right limit switch 612 sense that the position exceeding 3/4 is not shielded by the soft limit baffle 611, the left limit switch 613 and the right limit switch 612 send a control command, the rotary motor 201 is rotated in the reverse direction, and the purpose of soft limiting is achieved.

Further, the inner side of the arc-shaped groove 615 and the zero position switch 609 are positioned on the same circle center in the centering state of the soft limit stop sheet 608, and the arc diameter of the inner opening of the arc-shaped groove 615 is consistent with the diameter of the zero position limit switch 609.

As shown in FIG. 8, an arc-shaped groove 615 is formed in one side of the soft limiting blocking piece 608, and the zero position switch 609 is not shielded in the initial position, and the positioning of the zero position of the device is realized through the zero position switch 609.

Under the double limiting of the soft limiting and the hard limiting, the swing mechanism is ensured to swing left and right in a certain range, and the fault of the swing mechanism caused by too large swing amplitude is avoided.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A synchronous slewing mechanism, comprising a base (100), characterized in that: a driving shaft assembly (200) and a driven shaft assembly (600) are fixedly mounted on a base (100) through screws, a driving shaft swing arm (300) is mounted on the driving shaft assembly (200) through screws, a driven shaft swing arm (500) is mounted on the driven shaft assembly (600) through screws, and a connecting rod mechanism (400) is adopted to connect the driving shaft swing arm (300) and the driven shaft swing arm (500).

2. A synchronous slewing mechanism according to claim 1, further comprising: the driving shaft assembly (200) comprises a rotating shaft seat (203) fixed on the base (100), a mounting seat on the outer side of the harmonic speed reducer (202) is fixed on a through hole outer ring of the rotating shaft seat (203) through screws, a rotary motor (201) is installed at the tail end of the harmonic speed reducer (202), and a driving shaft swing arm (300) is installed at the front end of the harmonic speed reducer (202) through a plurality of screws I (204).

3. A synchronous slewing gear according to claim 1 or 2, characterized in that: a driving shaft pin (407) and a driven shaft pin (402) are respectively installed on the driving shaft swing arm (300) and the driven shaft swing arm (500), a driving joint bearing (405) and a driven joint bearing (401) are respectively arranged at two ends of the connecting rod (404), the driving joint bearing (405) and the driven joint bearing (401) are respectively sleeved on the driving shaft pin (407) and the driven shaft pin (402), and a nut II (406) and a nut I (403) are respectively screwed into the outer ends of the driving shaft pin (407) and the driven shaft pin (402).

4. A synchronous slewing mechanism according to claim 1, characterized in that: a driven shaft (603) is movably mounted in the bearing block (601) through a deep groove ball bearing (602) and a cross roller bearing (604), and the tail end of the driven shaft (603) is fixedly connected with a driven shaft swing arm (500) through a second screw (605).

5. A synchronous slewing mechanism according to claim 4, further comprising: the end part of the bearing seat (601) is fixedly provided with a hard limit (607) through a screw, the middle part of the hard limit (607) is hollow, the end part of the driven shaft (603) is fixedly provided with a hard limit baffle (611) through a screw, the end part of the hard limit baffle (611) is a convex stop block, and a groove for the stop block to move is arranged below the hard limit (607).

6. A synchronous slewing mechanism according to claim 5, further comprising: there are soft limit switch mounting panel (606) top of bearing frame (601) through screw fixed mounting, the tip of soft limit switch mounting panel (606) is buckled perpendicularly downwards, there are zero-position switch (609) at the tip intermediate position of soft limit switch mounting panel (606) through lock nut fixed mounting, the tip of soft limit switch mounting panel (606) has curved limit switch mounting groove (614), left limit switch (613) and right limit switch (612) are installed respectively through lock nut to the both ends end of limit switch mounting groove (614), there are soft spacing separation blade (608) through the fix with screw on hard spacing baffle (611), open one side of soft spacing separation blade (608) has arc wall (615).

7. A synchronous slewing mechanism according to claim 6, further comprising: the inner side of the arc-shaped groove (615) and the zero position switch (609) are positioned on the same circle center in the centering state of the soft limiting baffle (608), and the arc diameter of the inner opening of the arc-shaped groove (615) is consistent with the diameter of the zero position switch (609).