CN211904831U

CN211904831U - Forest fruit detects uses sample preprocessing device

Info

Publication number: CN211904831U
Application number: CN202020361643.XU
Authority: CN
Inventors: 李雪
Original assignee: Shandong Jiutian Testing Co ltd
Current assignee: Shandong Jiutian Testing Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-10
Anticipated expiration: 2030-03-20

Abstract

The utility model belongs to the field of auxiliary equipment for forest product detection, and relates to a sample pretreatment device for forest fruit detection, which comprises a container, wherein the lower end of the container is provided with a liquid outlet, a filter cartridge is arranged at the lower end inside the container, a static grinding disc is fixed at the upper end inside the container, the top of the container is in threaded connection with an upper cover, two supporting plates are fixed at the top of the upper cover, a knife frame is fixed between the upper ends of the two supporting plates, a plurality of blades are distributed at the inner side of the knife frame in a staggered manner, a gland is arranged above the knife frame, handles are fixed at both sides of the gland respectively, U-shaped grooves corresponding to the two handles are respectively arranged at the tops of the two supporting plates, a pressing plate is fixed at the bottom of the gland, a plurality of pressing plates are arranged at the bottom of the pressing plate, a material receiving groove is fixed at the bottom of the knife frame, a blanking channel penetrating through, the central shaft is fixed with a movable grinding disc and a stirring blade. The utility model discloses it is more convenient to operate, efficiency is higher, the pesticide draws more fully.

Description

Forest fruit detects uses sample preprocessing device

Technical Field

The utility model relates to a forest fruit detects uses sample preprocessing device belongs to forest product and detects and use the auxiliary assembly field.

Background

In recent years, with the large-scale development of the forest and fruit industry in China, the safety problem of forest and fruit products is more prominent, and the forest and fruit product becomes a restriction factor for further developing the forest and fruit industry in China. The detection of pesticide residues in forest and fruit products is an important means for ensuring the quality safety of forest and fruit products, the pretreatment of samples is an important link for ensuring the accuracy of detection results, the samples are well treated, the interference of impurities can be reduced, the pollution of the impurities to instruments is reduced, and the accuracy of the detection results is improved. The existing sample pretreatment device has an unreasonable structure, a sample needs to be cut into a plurality of small blocks by a knife, and the operation is complicated and the efficiency is low; in addition, the crushing effect is poor, the pesticide extraction is insufficient, and the accuracy of subsequent detection results is influenced.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the sample pretreatment device for forest fruit detection is convenient to operate, high in efficiency and sufficient in pesticide extraction.

The utility model relates to a sample preprocessing device for forest fruit detection, which comprises a container, wherein the lower end of the container is provided with a liquid outlet, the liquid outlet is provided with a liquid outlet valve, a filter cartridge is arranged at the lower end in the container, a static millstone is detachably fixed at the upper end in the container, the top of the container is in threaded connection with an upper cover, the top of the upper cover is fixed with two support plates, a knife frame is fixed between the upper ends of the two support plates, a plurality of blades are distributed in the inner side of the knife frame in a staggered manner, a blanking port is formed between every two adjacent blades, a gland is arranged above the knife frame, handles are fixed at both sides of the gland, U-shaped grooves corresponding to the two handles are respectively arranged at the tops of the two support plates, a pressing plate is fixed at the bottom of the gland, a plurality of pressing blocks corresponding to the blanking port one by one are arranged at the bottom of the, the top of the upper cover is also fixed with a motor which is connected with a central shaft penetrating through the upper cover, the upper end of the central shaft is fixed with a movable grinding disc corresponding to the static grinding disc, and the lower end of the central shaft extends into the bottom of the filter cylinder and is fixed with a stirring blade.

The number of the blanking channels is two, and the two blanking channels are respectively arranged on two sides of the motor.

A group of foot pads is fixed at the bottom of the container.

The top of the movable grinding disc is conical.

The control switch of the motor is arranged on the top of the upper cover.

Compared with the prior art, the utility model beneficial effect who has is:

the sample pretreatment device for forest fruit detection can divide forest fruit samples into a plurality of blocks at one time, so that the operation is more convenient and the efficiency is higher; and, through moving the mill and cooperating with quiet mill to grind the sample, crushing effect is better, makes the pesticide extract more fully, has improved the accuracy of follow-up testing result.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the gland of the present invention;

fig. 4 is a sectional view of the knife holder of the present invention;

fig. 5 is a plan view of the knife holder of the present invention.

In the figure: 1. a foot pad; 2. a container; 3. an upper cover; 4. a support plate; 5. a blanking channel; 6. a material receiving groove; 7. a handle; 8. a knife frame; 9. a gland; 10. a motor; 11. a control switch; 12. a liquid outlet valve; 13. a liquid outlet; 14. stirring blades; 15. a central shaft; 16. a static grinding disc; 17. a movable grinding disc; 18. a U-shaped groove; 19. pressing a plate; 20. briquetting; 21. a blade; 22. a filter cartridge; 23. and (6) a blanking port.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings:

as shown in fig. 1 to 5, the sample pretreatment device for forest fruit detection of the present invention comprises a container 2, a liquid outlet 13 is disposed at the lower end of the container 2, a liquid outlet valve 12 is disposed on the liquid outlet 13, a filter cartridge 22 is disposed at the lower end inside the container 2, a stationary millstone 16 is detachably fixed at the upper end inside the container 2, an upper cover 3 is screwed on the top of the container 2, two support plates 4 are fixed at the top of the upper cover 3, a knife frame 8 is fixed between the upper ends of the two support plates 4, a plurality of blades 21 are alternately distributed at the inner side of the knife frame 8, a blanking port 23 is formed between each adjacent blades 21, a gland 9 is disposed above the knife frame 8, handles 7 are fixed at both sides of the gland 9, U-shaped grooves 18 corresponding to the two handles 7 are respectively disposed at the tops of the two support plates 4, a pressing plate 19 is fixed at the bottom of the gland 9, a plurality of pressing blocks 20 corresponding, a receiving trough 6 is fixed at the bottom of the knife frame 8, at least one blanking channel 5 penetrating through the upper cover 3 is arranged at the bottom of the receiving trough 6, a motor 10 is further fixed at the top of the upper cover 3, a central shaft 15 penetrating through the upper cover 3 is connected with the motor 10, a movable grinding disc 17 corresponding to the static grinding disc 16 is fixed at the upper end of the central shaft 15, and a stirring blade 14 is fixed at the lower end of the central shaft 15 extending into the bottom of the filter cartridge 22.

In a preferred embodiment: the number of the blanking channels 5 is two, and the two blanking channels 5 are respectively arranged on two sides of the motor 10; a group of foot pads 1 are fixed at the bottom of the container 2; the top of the movable grinding disc 17 is conical; the control switch 11 of the motor 10 is provided on the top of the upper cover 3.

When the device is used, the two handles 7 are lifted by two hands, the pressing cover 9 is lifted out, then a weighed forest fruit sample is placed in the knife frame 8, then the pressing cover 9 is covered and the handles 7 are pressed downwards, the sample is cut into a plurality of small blocks under the action of the pressing block 20 and the blade 21, then the small blocks of the sample enter the container 2 through the blanking port 23 and the blanking channel 5, the small blocks of the sample are ground under the matching action of the movable grinding disc 17 and the static grinding disc 16, the ground sample enters the filter cylinder 22, then the pressing cover 9 is lifted out again, a buffer solution corresponding to the sample amount is poured into the knife frame 8, the buffer solution sequentially enters the filter cylinder 22 through the blanking port 23, the blanking channel 5, the movable grinding disc 17 and the static grinding disc 16, the sample and the buffer solution are mixed under the stirring action of the stirring blade 14, and after the mixing is finished, the liquid to be detected can be taken out through.

The sample pretreatment device for forest fruit detection can divide forest fruit samples into a plurality of blocks at one time, so that the operation is more convenient and the efficiency is higher; and, through moving mill 17 and quiet mill 16 cooperation to grind the sample, crushing effect is better, makes the pesticide extract more fully, has improved the accuracy of follow-up testing result.

Claims

1. A forest fruit sample preprocessing device for detecting, includes container (2), its characterized in that: a liquid outlet (13) is arranged at the lower end of the container (2), a liquid outlet valve (12) is arranged on the liquid outlet (13), a filter cylinder (22) is arranged at the lower end in the container (2), a static grinding disc (16) is detachably fixed at the upper end in the container (2), an upper cover (3) is in threaded connection with the top of the container (2), two supporting plates (4) are fixed at the top of the upper cover (3), a knife frame (8) is fixed between the upper ends of the two supporting plates (4), a plurality of blades (21) are distributed on the inner side of the knife frame (8) in a staggered manner, a blanking port (23) is formed between every two adjacent blades (21), a gland (9) is arranged above the knife frame (8), handles (7) are fixed on both sides of the gland (9), U-shaped grooves (18) corresponding to the two handles (7) are respectively arranged at the tops of the two supporting plates (4), and a pressing plate, the bottom of clamp plate (19) is equipped with a plurality of briquetting (20) with blanking mouth (23) one-to-one, the bottom of sword frame (8) is fixed with connects silo (6), the bottom that connects silo (6) is equipped with at least one blanking passageway (5) that run through upper cover (3), the top of upper cover (3) still is fixed with motor (10), motor (10) hookup has center pin (15) that run through upper cover (3), the upper end of center pin (15) is fixed with moves mill (17) corresponding with quiet mill (16), the lower extreme of center pin (15) stretches into the bottom of straining a section of thick bamboo (22) and is fixed with stirring leaf (14).

2. The forest fruit detection sample pretreatment device according to claim 1, characterized in that: the two blanking channels (5) are respectively arranged on two sides of the motor (10).

3. The forest fruit detection sample pretreatment apparatus according to claim 1 or 2, characterized in that: a group of foot pads (1) is fixed at the bottom of the container (2).

4. The forest fruit detection sample pretreatment apparatus according to claim 1 or 2, characterized in that: the top of the movable grinding disc (17) is conical.

5. The forest fruit detection sample pretreatment apparatus according to claim 1 or 2, characterized in that: and a control switch (11) of the motor (10) is arranged at the top of the upper cover (3).