CN219135300U

CN219135300U - Rotary fork arm connecting mechanism

Info

Publication number: CN219135300U
Application number: CN202223220434.1U
Authority: CN
Inventors: 金卫明; 周昱; 卜留春; 汪成; 谭新; 唐华建; 盛志林
Original assignee: Wuhu Tongchao Precision Machinery Co ltd
Current assignee: Wuhu Tongchao Precision Machinery Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-06
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a rotating fork arm connecting mechanism which comprises a turntable, wherein second motors which are symmetrically distributed are fixed at the bottom of the turntable, a main shaft is fixed on the output shaft of each second motor, a main chain wheel is fixedly sleeved on the main shaft, a lower fork arm is vertically fixed on the main shaft, an upper fork arm is rotatably arranged on the lower fork arm, a driven chain wheel is fixedly sleeved on a rotating shaft of the upper fork arm, a chain is connected between the main chain wheel and the driven chain wheel, and a tensioning adjusting device for simultaneously adjusting tightness from two sides of the chain is arranged on the lower fork arm. According to the connecting mechanism, the tensioning wheels are arranged on the two sides of the chain, the third motor is started to adjust the tightness of the chain from the two sides of the chain, and the adjusting forces are the same, so that the upper fork arm can keep the original position in the adjusting mode, and the upper fork arm is prevented from rotating in the adjusting process; the second motor is synchronously started to control the two main shafts to reversely rotate, so that the two lower fork arms are driven to reversely rotate, and the two upper fork arms are driven to reversely rotate through the chain.

Description

Rotary fork arm connecting mechanism

Technical Field

The utility model belongs to the field of intelligent conveying and warehousing systems in the electronic display industry, and particularly relates to a rotating fork arm connecting mechanism.

Background

The intelligent storage handling system needs to be used for a double synchronous rotating fork arm, a chain wheel is fixed on a rotating shaft of an upper fork arm and a rotating shaft of a lower fork arm in the double synchronous rotating fork arm in general, and the two chain wheels are connected through a chain.

In order to ensure synchronous rotation of the upper fork arm and the lower fork arm, the tightness of the chain is required to be regulated frequently, when the tightness is regulated, the tightness is regulated in a traditional mode, the upper fork arm is easy to rotate in the regulation process, and a maintainer is likely to be injured, so that the problem is solved, and the rotary fork arm connecting mechanism is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a rotating fork arm connecting mechanism, wherein tension wheels are arranged on two sides of a chain, a third motor is started to adjust the tightness of the chain from the two sides of the chain, and the adjusting forces are the same.

The aim of the utility model can be achieved by the following technical scheme:

the rotary fork arm connecting mechanism comprises a turntable, a second motor which is symmetrically distributed is fixed at the bottom of the turntable, a main shaft is fixed on the output shaft of the second motor, a main chain wheel is fixedly sleeved on the main shaft, a lower fork arm is vertically fixed on the main shaft, an upper fork arm is rotatably arranged on the lower fork arm, a secondary chain wheel is fixedly sleeved on a rotating shaft of the upper fork arm, and a chain is connected between the main chain wheel and the secondary chain wheel.

And the lower fork arm is provided with a tensioning adjusting device for simultaneously adjusting the tightness from two sides of the chain.

Further, tensioning adjusting device includes two dwang, rotates on the dwang and is equipped with the take-up pulley, and two take-up pulleys are located the both sides of chain respectively, and the both sides lateral wall of lower yoke all slides and is used for promoting dwang pivoted actuating lever, is fixed with first connecting plate on the actuating lever, and one side lateral wall of lower yoke is fixed with L shape connecting plate, is fixed with the third motor on the L shape connecting plate, is fixed with the double-end lead screw with first connecting plate screw-thread fit on the output shaft of third motor.

Further, the connecting mechanism further comprises a base, and a first motor for driving the turntable to rotate is fixed on the base.

Further, one end of the upper fork arm far away from the rotating shaft is rotatably provided with a gear, and the two gears are meshed with each other.

The utility model has the beneficial effects that:

1. according to the connecting mechanism, the tensioning wheels are arranged on the two sides of the chain, the third motor is started to adjust the tightness of the chain from the two sides of the chain, and the adjusting forces are the same, so that the upper fork arm can keep the original position in the adjusting mode, and the upper fork arm is prevented from rotating in the adjusting process;

2. according to the connecting mechanism, the second motor is synchronously started to control the two main shafts to reversely rotate, so that the two lower fork arms are driven to reversely rotate, and the two upper fork arms are driven to reversely rotate through the chain, so that the two upper fork arms and the two lower fork arms are always kept in a parallelogram shape.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view of the internal structure of the connecting mechanism of the present utility model;

FIG. 2 is a schematic bottom view of the coupling mechanism of the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a rotatory yoke coupling mechanism, coupling mechanism includes base 1, as shown in fig. 1, fig. 2, the rotation is equipped with carousel 2 on the base 1, be fixed with on the base 1 and be used for driving carousel 2 pivoted first motor 3, the bottom of carousel 2 is fixed with symmetrical distribution's second motor 5, the output shaft of second motor 5 runs through carousel 2 and is fixed with main shaft 4, fixed cover is equipped with the main sprocket on the main shaft 4, vertically fixed has down yoke 7 on the main shaft 4, rotate on the lower yoke 7 and be equipped with on the yoke 8, two upper yoke 8 and two lower yoke 7 make up and form the parallelogram, the cover is fixed with from sprocket 11 in the pivot of upper yoke 8, be connected with chain 6 between main chain and the follow sprocket 11, the one end rotation that keeps away from its pivot on the upper yoke 8 is equipped with gear 9, intermesh between two gears 9.

The lower fork arm 7 is provided with a tensioning adjustment device 10 for simultaneously adjusting the tightness from both sides of the chain 6.

The tensioning adjustment device 10 comprises two rotating rods 101, as shown in fig. 3, tensioning wheels 15 are rotatably arranged on the rotating rods 101, the two tensioning wheels 15 are respectively located on two sides of a chain 6, side walls on two sides of a lower fork arm 7 are respectively used for sliding a driving rod 103 used for pushing the rotating rods 101 to rotate, a first connecting plate 105 is fixed on the driving rod 103, an L-shaped connecting plate 106 is fixed on one side wall of the lower fork arm 7, a third motor 107 is fixed on the L-shaped connecting plate 106, a double-headed screw 108 in threaded fit with the first connecting plate 105 is fixed on an output shaft of the third motor 107, and the two first connecting plates 105 can be controlled to reversely move by starting the third motor 107.

During the use, can control two main shafts 4 reverse rotation through synchronous start second motor 5, and then drive two lower yoke 7 reverse rotation to drive two upper yoke 8 reverse rotation through chain 6, make two upper yoke 8 and two lower yoke 7 remain parallelogram all the time, through all setting up take-up pulley 15 in the both sides of chain 6, start third motor 107 can follow the both sides of chain 6 and adjust its elasticity, and the dynamics of regulation is the same, and this kind of regulation mode can make upper yoke 8 keep original position, avoids the in-process of regulation upper yoke 8 to take place the rotation.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The rotary fork arm connecting mechanism comprises a rotary table (2) and is characterized in that a second motor (5) which is symmetrically distributed is fixed at the bottom of the rotary table (2), a main shaft (4) is fixed on an output shaft of the second motor (5) penetrating through the rotary table (2), a main chain wheel is fixedly sleeved on the main shaft (4), a lower fork arm (7) is vertically fixed on the main shaft (4), an upper fork arm (8) is rotatably arranged on the lower fork arm (7), a driven chain wheel (11) is fixedly sleeved on a rotating shaft of the upper fork arm (8), and a chain (6) is connected between the main chain wheel and the driven chain wheel (11);

the lower fork arm (7) is provided with a tensioning adjusting device (10) for simultaneously adjusting tightness from two sides of the chain (6).

2. The rotating fork arm connecting mechanism according to claim 1, wherein the tensioning adjusting device (10) comprises two rotating rods (101), tensioning wheels (15) are rotatably arranged on the rotating rods (101), the two tensioning wheels (15) are respectively located on two sides of a chain (6), two side walls of the lower fork arm (7) are respectively used for sliding a driving rod (103) for pushing the rotating rods (101) to rotate, a first connecting plate (105) is fixed on the driving rod (103), an L-shaped connecting plate (106) is fixed on one side wall of the lower fork arm (7), a third motor (107) is fixed on the L-shaped connecting plate (106), and a double-end screw rod (108) in threaded fit with the first connecting plate (105) is fixed on an output shaft of the third motor (107).

3. A rotating yoke coupling mechanism according to claim 2, characterized in that the coupling mechanism further comprises a base (1), the base (1) being fixed with a first motor (3) for driving the turntable (2) to rotate.

4. A rotating yoke coupling mechanism according to claim 3, wherein the upper yoke (8) is rotatably provided with a gear (9) at an end thereof remote from the rotation axis thereof, the gears (9) being engaged with each other.