CN210571676U

CN210571676U - Fruit falling damage experiment table

Info

Publication number: CN210571676U
Application number: CN201920255916.XU
Authority: CN
Inventors: 刘扬; 张永成; 兰海鹏; 安静; 曹钦洲; 陈高攀; 李硕; 杨志磊; 李安; 夏中臣; 田勇浩; 谢卫红; 李登方
Original assignee: Tarim University
Current assignee: Tarim University
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-05-19
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to a fruit falls damage laboratory bench belongs to agricultural product check out test set technical field. Comprises a lifting device and an adsorption device. The lifting device comprises a screw rod, a linear guide rail, a pneumatic motor and an extension arm, wherein two ends of the screw rod are fixed on the experiment table through bearings, one end of the screw rod is connected with the pneumatic motor through a coupler, one third of the extension arm extends out to be matched and connected with the screw rod, one end of the extension arm is matched with the linear guide rail through a sliding block, the other end of the extension arm is fixed with a sucking disc, and the linear guide rail is positioned on one side of the experiment table; the adsorption device comprises a vacuum generator, an air compressor and a sucker. The utility model discloses can carry out not co-altitude fruit drop damage test, have simple structure, easily operation and realize advantages such as a large amount of experiments, solve manual control height precision difference, wayward scheduling problem, suitable popularization and application.

Description

Fruit falling damage experiment table

Technical Field

The utility model relates to a fruit falls damage laboratory bench belongs to agricultural product check out test set technical field.

Background

The fruit is easy to damage the peel during the transportation and mechanical processing operation, thereby causing the pulp to deteriorate and spoil. The degree of mechanical damage to the fruit is generally evaluated empirically as the area, volume, depth, etc. of the browned portion of the flesh. The damage area visible on the surface of the fruit is easier to judge the damage degree, and is also an important index for grading the appearance quality of the fruit. Determining the relationship between area of damage to the fruit and damage is important for the assessment of damage to the fruit.

In domestic research, a hand twisting method is often adopted for a fruit falling experiment, and the direction and the position of the fruit falling are difficult to accurately grasp. The trimming method is simple, but has certain damage to the fruit and is not easy to grasp the direction. The pendulum method also has these problems. By combining the defects of the experimental methods, various uncertain factors in the fruit falling process are comprehensively considered, and the fruit falling damage testing experiment table is designed.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a fruit and fall damage laboratory bench, this laboratory bench simple structure, convenient operation, labour saving and time saving can carry out a large amount of experiments, and the experiment accuracy is high.

The utility model adopts the technical scheme that: the utility model provides a damage laboratory bench is fallen to fruit which characterized in that: comprises a lifting device and an adsorption device. The lifting device comprises a screw rod, a linear guide rail, a pneumatic motor and an extension arm, wherein two ends of the screw rod are fixed on the experiment table through bearings, one end of the screw rod is connected with the pneumatic motor through a coupler, one third of the extension arm extends out to be matched and connected with the screw rod, one end of the extension arm is matched with the linear guide rail through a sliding block, the other end of the extension arm is fixed with a sucking disc, and the linear guide rail is positioned on one side of the experiment table; the adsorption device comprises a vacuum generator, an air compressor and a sucker.

The air compressor air outlet has two shunts, connects two air valves respectively, and wherein connect pneumatic motor all the way, and pneumatic motor fixes at the laboratory bench lower extreme, connects vacuum generator all the way in addition.

The fruit tray is installed on the experimental table top at the lower end of the screw rod, can rotate and is used for fixing fruits to be tested.

The extending arm is provided with an infrared distance meter for measuring the height of the fruit from the table top at each moment.

The sucking disc passes through the trachea and links to each other with the gas escape, and the gas escape links to each other with vacuum generator through the pipeline, and vacuum generator connects the air valve, and the air valve is connected with air compressor.

The vacuum generator can generate suction to adsorb fruits, the opening and closing of the system are controlled through the air valve, the fruits are released and fall, and air flow distribution is achieved through the air exhaust.

The pneumatic motor rotates under the action of air flow to drive the screw rod to rotate together, so that the extension arm matched with the screw rod is driven to move up and down in the linear guide rail in a sliding mode, the air inflow is controlled through the air valve, and the rising speed of the extension arm is further controlled.

The fruit quality instrument is arranged on the experiment table board and used for measuring the quality of the fruits to be measured.

The utility model discloses a working process is: when the fruit tray is in work, fruits are placed in the fruit tray and rotated to be right below the sucking disc. An air valve leading to the vacuum generator is opened, the air flow generates negative pressure through the vacuum generator, and the fruit is adsorbed on the sucking disc in a vacuum mode, so that the fruit is adsorbed. The air valve leading to the direction of the pneumatic motor is opened, the air flow drives the motor to rotate, the extension arm rises, the fruit tray is rotated to the initial position when the fruit tray rises to a certain height, the reading of the infrared distance measuring instrument is recorded, the air valve leading to the direction of the vacuum generator is closed, the fruit falls downwards, the fruit falling test with a specific height is completed, the air inlet direction of the pneumatic motor is changed, and the pneumatic motor rotates reversely to realize the falling of the sucker.

The utility model has the advantages that: the novel not co-altitude fruit that can carry out of this experiment falls to damage test has advantages such as simple structure, easily operation, easily realize a large amount of experiments, has solved the shortcoming that manual control height precision is poor, not easy control, prior art's fruit falls the orbit and can not confirm, has simple structure, the operation of being convenient for, the accuracy is high.

Drawings

FIG. 1 is a schematic side view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a partial schematic view of the slider of the present invention.

The reference numbers in the figures: the device comprises a linear guide rail 1, a lead screw 2, an air pipe 3, an infrared distance meter 4, a sucker 5, an air valve 6, a fruit tray 7, a fruit quality meter 8, a coupler 9, an air motor 10, an air compressor 11, a vacuum generator 12, a linear guide rail sliding block 13, an air exhaust 14, an extension arm 15 and an experiment table 16.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: the utility model provides a damage laboratory bench is fallen to fruit which characterized in that: comprises a lifting device and an adsorption device. The lifting device comprises a screw rod 2, a linear guide rail 1, a pneumatic motor 10 and an extension arm 15, wherein two ends of the screw rod 2 are fixed on the experiment table through bearings, one end of the screw rod is connected with the pneumatic motor 10 through a coupler 9, one third of the extension arm 15 extends out and is connected with the screw rod 2 in a matched mode, one end of the extension arm is matched with the linear guide rail 1 through a sliding block 13, a sucking disc 5 is fixed at the other end of the extension arm, and the linear guide rail 1 is located on one side of the experiment table; the adsorption device comprises a vacuum generator 12, an air compressor 11 and a suction cup 5.

The air outlet of the air compressor 11 is provided with two branches which are respectively connected with two air valves 6, wherein one branch is connected with the pneumatic motor 10, the pneumatic motor 10 is fixed at the lower end of the experiment table, and the other branch is connected with the vacuum generator.

Install fruit bowl 7 on the 2 lower extreme experiment mesas of lead screw, fruit bowl 7 can realize rotating for fixed treat experimental fruit.

The extending arm 15 is provided with an infrared distance measuring instrument 4 for measuring the height of the fruit from the table top at each moment.

The suction cup 5 is connected with an air exhaust 14 through an air pipe 3, the air exhaust 14 is connected with a vacuum generator 12 through a pipeline, the vacuum generator 12 is connected with an air valve 6, and the air valve 6 is connected with an air compressor 11.

The vacuum generator 12 can generate suction to adsorb fruit, the air valve 6 controls the opening and closing of the system, the fruit is released and falls, and the air exhaust 14 distributes air flow.

The pneumatic motor 10 rotates under the action of air flow to drive the screw rod 2 to rotate together, so as to drive the extension arm 15 matched with the screw rod 2 to move up and down in the linear guide rail in a sliding manner, and the air inlet amount is controlled through the air valve 6, so that the rising speed of the extension arm 15 is controlled.

The fruit quality instrument 8 is arranged on the experiment table surface and used for measuring the quality of the fruit to be measured.

When the fruit tray is in work, fruits are placed in the fruit tray and rotated to be right below the sucking disc. An air valve leading to the vacuum generator is opened, the air flow generates negative pressure through the vacuum generator, and the fruit is adsorbed on the sucking disc in a vacuum mode, so that the fruit is adsorbed. And opening an air valve leading to the direction of the pneumatic motor, driving the motor to rotate by air flow, enabling the extension arm to rise, rotating the fruit tray to an initial position when the extension arm rises to a certain height, recording the reading of the infrared range finder, closing the air valve leading to the direction of the vacuum generator, and enabling the fruit to fall downwards to finish a fruit falling test at a specific height. The air inlet direction of the pneumatic motor is changed, the pneumatic motor rotates reversely, and the sucker can descend.

While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a damage laboratory bench is fallen to fruit which characterized in that: the device comprises a lifting device and an adsorption device, wherein the lifting device comprises a lead screw (2), a linear guide rail (1), a pneumatic motor (10) and an extension arm (15), two ends of the lead screw (2) are fixed on an experiment table through bearings, one end of the lead screw is connected with the pneumatic motor (10) through a coupler (9), the extension arm (15) extends out of one third and is connected with the lead screw (2) in a matched manner, one end of the extension arm is matched with the linear guide rail (1) through a sliding block (13), the other end of the extension arm is fixed with a sucker (5), and the linear guide rail (1) is positioned on one side; the adsorption device comprises a vacuum generator (12), an air compressor (11) and a sucker (5).

2. The fruit drop injury laboratory bench of claim 1, wherein: the air outlet of the air compressor (11) is provided with two branches which are respectively connected with two air valves (6), wherein one branch is connected with a pneumatic motor (10), the pneumatic motor (10) is fixed at the lower end of the experiment table, and the other branch is connected with a vacuum generator (12).

3. The fruit drop injury laboratory bench of claim 1, wherein: install fruit bowl (7) on lead screw (2) lower extreme experiment mesa, fruit bowl (7) can realize rotating for fixed treat experimental fruit.

4. The fruit drop injury laboratory bench of claim 1, wherein: the extending arm (15) is provided with an infrared distance meter (4) for measuring the height of the fruit from the table top at each moment.

5. The fruit drop injury laboratory bench of claim 1, wherein: the sucker (5) is connected with the air exhaust (14) through the air pipe (3), the air exhaust (14) is connected with the vacuum generator (12) through a pipeline, the vacuum generator (12) is connected with the air valve (6), and the air valve (6) is connected with the air compressor (11).

6. The fruit drop injury laboratory bench of claim 1, wherein: the vacuum generator (12) can generate suction to adsorb fruits, the opening and closing of the system are controlled through the air valve (6), the release falling of the fruits is realized, and the distribution of air flow is realized through the air exhaust (14).

7. The fruit drop injury laboratory bench of claim 1, wherein: the pneumatic motor (10) rotates under the action of air flow to drive the screw rod (2) to rotate together, so that the extension arm (15) matched with the screw rod (2) is driven to move up and down in a linear guide rail slide way, the air inflow is controlled through the air valve (6), and the rising speed of the extension arm (15) is further controlled.

8. The fruit drop injury laboratory bench of claim 1, wherein: the fruit quality instrument (8) is arranged on the experiment table surface and used for measuring the quality of the fruit to be measured.