CN215743634U

CN215743634U - Rice huller is with automatic pressure regulating belt straining device

Info

Publication number: CN215743634U
Application number: CN202121669686.5U
Authority: CN
Inventors: 杨水芳; 寿再兴; 杨小芳; 赵梁; 杨森江
Original assignee: Zhejiang Qili Machinery Co ltd
Current assignee: Zhejiang Qili Machinery Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-02-08
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses an automatic pressure regulating belt tensioning mechanism for a rice huller, which comprises a machine body and a driving motor arranged on the machine body, wherein a main driving belt wheel is arranged on a rotating shaft of the driving motor, a plurality of belts are arranged on the main driving belt wheel, a plurality of belt tensioning mechanisms which can be matched with the belts to tension the belts are arranged on the side wall of the machine body, each belt tensioning mechanism comprises a rocker arm, one end of each rocker arm is rotatably connected with the machine body through a rocker arm rotating shaft, the other end of each rocker arm is provided with a rocker arm belt wheel matched with the belts, and a rocker arm driving mechanism which can drive the rocker arms to rotate around the rocker arm rotating shafts is arranged on the machine body. The belt tensioning device can drive the rocker arm to rotate around the rocker arm rotating shaft by arranging the rocker arm driving mechanism so as to drive the rocker arm belt wheel to move, so that the rocker arm belt wheel is controlled to control the belt tensioning tension, the belt tensioning tension is more conveniently controlled, manual regulation is not needed, and the belt can be regulated and controlled in the running process.

Description

Rice huller is with automatic pressure regulating belt straining device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of rice hulling equipment, in particular to the technical field of an automatic pressure regulating belt tensioning mechanism for a rice huller.

[ background of the utility model ]

The rice huller is a grain processing machine for hulling rice to obtain brown rice. It can remove the hull of the rice, reduce the waist burst and the damage of the epidermis of the rice grains and keep the integrity of the brown rice as much as possible. The rice huller is commonly tensioned by a spring at home and abroad, and refer to the attached figure 1 of the specification. The torsion of the tension spring is controlled by adjusting the length of the adjusting screw rod, and the mechanism has the defects that the torsion of the tension spring is fixed, when the belt is stretched, the tension force is reduced, and the phenomenon that the belt is firstly tightened and then loosened is often generated. In addition, the tension of the belt cannot be accurately controlled, and the problem that the belt is too tight or too loose is easily caused.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides an automatic pressure regulating belt tensioning mechanism for a rice huller, which is more convenient to control and flexible to regulate.

In order to achieve the purpose, the utility model provides an automatic pressure regulating belt tensioning mechanism for a rice huller, which comprises a machine body and a driving motor arranged on the machine body, wherein a main driving belt wheel is arranged on a rotating shaft of the driving motor, a plurality of belts are arranged on the main driving belt wheel, a plurality of belt tensioning mechanisms which can be matched with the belts to tension the belts are arranged on the side wall of the machine body, each belt tensioning mechanism comprises a rocker arm, one end of each rocker arm is rotatably connected with the machine body through a rocker arm rotating shaft, the other end of each rocker arm is provided with a rocker arm belt wheel matched with the belts, and a rocker arm driving mechanism which can drive the rocker arms to rotate around the rocker arm rotating shafts is arranged on the machine body.

Preferably, the rocker arm driving mechanism is a driving cylinder, and two ends of the driving cylinder are respectively hinged to the machine body and one point of the side edge of the rocker arm.

Preferably, at least two rubber rollers capable of being matched with each other are arranged in the machine body, and a plurality of rubber roller belt wheels capable of being matched with the belt are respectively arranged on the rubber rollers.

Preferably, each rubber roller is provided with at least two rubber roller belt wheels with different diameters, the rubber roller belt wheels are fixedly connected with the rubber roller through bearings, a spline housing capable of being matched with the rubber roller belt wheels is slidably arranged between the rubber roller gluing roller belt wheels, the spline housing is slidably but non-rotatably connected with the rubber roller, one end, close to the spline housing, of each rubber roller belt wheel is provided with a key housing hole capable of being matched with the spline housing, and the rubber roller is provided with a clutch capable of driving the spline housing to slide along the rubber roller so that the spline housing can be connected with or separated from the key housing hole close to the spline housing.

Preferably, a pulley fixing shaft for fixing the rocker pulley is detachably arranged on the rocker.

The automatic pressure regulating belt tensioning mechanism for the rice huller has the beneficial effects that: the belt tensioning device can drive the rocker arm to rotate around the rocker arm rotating shaft by arranging the rocker arm driving mechanism so as to drive the rocker arm belt wheel to move, so that the rocker arm belt wheel is controlled to control the belt tensioning tension, the belt tensioning tension is more conveniently controlled, manual regulation is not needed, and the belt can be regulated and controlled in the running process. The spline sleeve is driven by the clutch to be switched to be meshed with rubber roller belt wheels with different diameters, so that the purpose of changing the speed of the rubber rollers is achieved, when the spline sleeve is matched with one of the rubber roller belt wheels to work, the other rubber roller belt wheel is in a follow-up rotation state and does not participate in shelling work, a belt connected with the rubber roller belt wheel in the follow-up rotation state can be loosened a little through the belt tensioning mechanism, the working current of a motor is favorably reduced, and the service life of the belt is prolonged. The structure is simpler, and the belt is replaced more easily.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic diagram of a spring tensioning structure in the prior art.

Fig. 2 is a schematic perspective view of an automatic pressure regulating belt tensioning mechanism for a rice huller according to the present invention.

Fig. 3 is a schematic three-dimensional structure diagram of the belt tensioning mechanism of the automatic pressure regulating belt tensioning mechanism for the rice huller.

Fig. 4 is a schematic structural view of a rubber roll section of the automatic pressure regulating belt tensioning mechanism for the rice huller of the present invention.

In the figure: 1-machine body, 2-driving motor, 3-main driving belt wheel, 4-belt, 5-belt tensioning mechanism, 6-rubber roller, 7-rubber roller belt wheel, 8-bearing, 9-spline housing, 10-clutch, 51-rocker arm, 52-rocker arm rotating shaft, 53-rocker arm, 54-rocker arm driving mechanism, 55-belt wheel fixing shaft, 61-first rubber roller belt wheel and 71-second rubber roller belt wheel.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. . Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

The first embodiment is as follows:

referring to fig. 2, 3 and 4, the automatic pressure regulating belt tensioning mechanism for the rice huller of the present invention comprises a machine body 1 and a driving motor 2 arranged on the machine body 1, wherein a rotation shaft of the driving motor 2 is provided with a main driving belt wheel 3, the main driving belt wheel 3 is provided with a plurality of belts 4, a plurality of belt tensioning mechanisms 5 which can be matched with the belts 4 to tension the belts 4 are arranged on a side wall of the machine body 1, each belt tensioning mechanism 5 comprises a rocker arm 51, one end of the rocker arm 51 is rotatably connected with the machine body 1 through a rocker arm rotation shaft 52, the other end of the rocker arm 51 is provided with a rocker arm belt wheel 53 which can be matched with the belts 4, and the machine body 1 is provided with a rocker arm driving mechanism 54 which can drive the rocker arm 51 to rotate around the rocker arm rotation shaft 52. In the embodiment, the rocker arm 51 can be driven to rotate around the rocker arm rotating shaft 52 by arranging the rocker arm driving mechanism 54, so that the rocker arm belt wheel 53 is driven to move, the tension of the belt 4 is controlled by the rocker arm belt wheel 53, the tension of the belt is controlled more conveniently, manual regulation and control are not needed, and the belt running process can also be regulated and controlled.

Referring to fig. 2, 3 and 4, the rocker arm driving mechanism 54 is a driving cylinder, and two ends of the driving cylinder are respectively hinged to the machine body 1 and one point of the side edge of the rocker arm 51.

Referring to fig. 2, 3 and 4, two rubber rollers 6 capable of being matched with each other are arranged in the machine body 1, and a plurality of rubber roller belt wheels 7 capable of being matched with the belt 4 are respectively arranged on the rubber rollers 6. Each rubber roller 6 is provided with two rubber roller belt wheels 7 with different diameters, the rubber roller belt wheels 7 are fixedly connected with the rubber roller through bearings 8, a spline housing 9 which can be matched with the rubber roller belt wheels 7 is slidably arranged between the rubber roller 6 and the rubber roller belt wheels 7, the spline housing 9 is slidably but non-rotatably connected with the rubber roller 6, a key housing hole 71 which can be matched with the spline housing 9 is formed in one end, close to the spline housing 9, of the rubber roller belt wheels 7, and a clutch 10 which can drive the spline housing 9 to slide along the rubber roller 6 so that the spline housing 9 can be connected with or separated from the key housing hole 71 close to the spline housing 9 is arranged on the rubber roller 6. The spline housing 9 is driven by the clutch 10 to be switched to be meshed with the rubber roller belt wheels 7 with different diameters, so that the purpose of changing the speed of the rubber roller is achieved. When the spline housing 9 is matched with one of the rubber roller belt wheels 7 to work, the other rubber roller belt wheel 7 is in a follow-up rotation state and does not participate in shelling work, and at the moment, the belt 4 connected with the rubber roller belt wheel 7 in the follow-up rotation state can be loosened a little through the belt tensioning mechanism 5, so that the working current of the motor can be reduced, and the service life of the belt can be prolonged. The structure is simpler, and the belt is replaced more easily.

Referring to fig. 2, 3 and 4, a pulley fixing shaft 55 for fixing the rocker pulley 53 is detachably provided on the rocker arm 51.

The working process of the utility model is as follows:

in the working process of the automatic pressure regulating belt tensioning mechanism for the rice huller, the rocker arm driving mechanism 54 can drive the rocker arm 51 to rotate around the rocker arm rotating shaft 52, so that the rocker arm belt wheel 53 is driven to move, and the rocker arm belt wheel 53 is controlled to control the tensioning tension of the belt 4.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an automatic pressure regulating belt straining device for rice huller, includes organism (1) and locates driving motor (2) on organism (1), be equipped with primary drive band pulley (3) on driving motor (2) rotation axis, be equipped with a plurality of belts (4) on primary drive band pulley (3), its characterized in that: organism (1) lateral wall is equipped with a plurality of can belt (4) cooperation is with belt straining device (5) of tensioning this belt (4), belt straining device (5) are including rocking arm (51), rocking arm (51) one end pass through rocking arm pivot (52) with organism (1) rotatable coupling, the other end be equipped with can with belt (4) complex rocking arm band pulley (53), be equipped with on organism (1) and drive rocking arm (51) wind rocking arm pivot (52) rotatory rocking arm actuating mechanism (54).

2. The automatic pressure regulating belt tensioning mechanism for the rice huller as claimed in claim 1, characterized in that: the rocker arm driving mechanism (54) is a driving cylinder, and two ends of the driving cylinder are respectively hinged with the machine body (1) and one point of the side edge of the rocker arm (51).

3. The automatic pressure regulating belt tensioning mechanism for the rice huller as claimed in claim 1, characterized in that: the belt conveyor is characterized in that at least two rubber rollers (6) which can be matched with each other are arranged in the machine body (1), and a plurality of rubber roller belt wheels (7) which can be matched with the belt (4) are respectively arranged on the rubber rollers (6).

4. The automatic pressure regulating belt tensioning mechanism for the rice huller as claimed in claim 3, characterized in that: each rubber roller (6) is at least provided with two rubber roller belt wheels (7) with different diameters, the rubber roller belt wheels (7) are fixedly connected with the rubber roller through bearings (8), spline sleeves (9) matched with the rubber roller belt wheels (7) are slidably arranged between the rubber roller (6) and the rubber roller belt wheels (7), the spline sleeves (9) are slidably but non-rotatably connected with the rubber roller (6), one ends, close to the spline sleeves (9), of the rubber roller belt wheels (7) are provided with key sleeve holes (71) matched with the spline sleeves (9), and clutches (10) capable of driving the spline sleeves (9) to slide along the rubber roller (6) so that the spline sleeves (9) can be connected with or separated from the key sleeve holes (71) close to the spline sleeves are arranged on the rubber roller (6).

5. The automatic pressure regulating belt tensioning mechanism for the rice huller as claimed in claim 1, characterized in that: the rocker arm (51) is detachably provided with a belt wheel fixing shaft (55) used for fixing the rocker arm belt wheel (53).