CN218901962U

CN218901962U - Solid sample grinding device

Info

Publication number: CN218901962U
Application number: CN202223515949.4U
Authority: CN
Inventors: 李二鹏; 曹晓钢; 王君; 文艺; 王晓龙
Original assignee: Lhasa Customs Technology Center
Current assignee: Lhasa Customs Technology Center
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-25
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a solid sample grinding device, which comprises a supporting mechanism, wherein the supporting mechanism is provided with a grinding mechanism for grinding and screening solid samples, the supporting mechanism comprises a box body, the lower end of the box body is provided with a supporting frame, the side wall of the box body is provided with a feed hopper, and the lower end of the box body is provided with a discharge hopper; the grinding mechanism comprises a screening component arranged on the inner side of the box body, and a grinding component used for grinding the solid sample is arranged in the screening component; the grinding assembly comprises a grinding roller which is provided with two parts at the front and the back, two ends of the grinding roller are connected with sliding seats, and a frame is arranged at the outer sides of the sliding seats. According to the utility model, through the arrangement of the grinding component and the screening component of the grinding mechanism, the rolled raw materials are brought up under the rotation of the spiral blades on the inner wall of the rotating screening cylinder and fall into the space between the rotating grinding rollers again for grinding, and meanwhile, qualified granular materials are discharged from the discharge hopper through the rotation screening of the screening cylinder, so that the quality of grinding the raw materials is improved.

Description

Solid sample grinding device

Technical Field

The utility model relates to the technical field of analysis and detection, in particular to a solid sample grinding device.

Background

The food detection content is quite rich, and comprises food nutrient component analysis, food pollutant analysis, food auxiliary material and food additive analysis, food sensory identification and the like. A sample crushing device for food detection of the prior publication No. CN216094143U comprises a supporting mechanism for supporting the above equipment, a collecting mechanism for collecting food particles, a crushing mechanism for crushing the bulk food into particles, the collecting mechanism being disposed above the supporting mechanism, and the crushing mechanism being disposed above the collecting mechanism. According to the utility model, the crushing mechanism is arranged, the ram is used for primarily crushing food, and the grinding roller is used for secondarily crushing food, so that the crushing effect of the food is effectively improved. However, the above device does not screen the crushed sample, which may result in insufficient crushed particle size of the crushed food material, which may affect the quality of the detection.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a solid sample crushing device.

The utility model realizes the above purpose through the following technical scheme:

the solid sample grinding device comprises a supporting mechanism, wherein a grinding mechanism for grinding and screening solid samples is arranged on the supporting mechanism, the supporting mechanism comprises a box body, a supporting frame is arranged at the lower end of the box body, a feeding hopper is arranged on the side wall of the box body, and a discharging hopper is arranged at the lower end of the box body;

the grinding mechanism comprises a screening component arranged on the inner side of the box body, and a grinding component used for grinding the solid sample is arranged in the screening component; the grinding assembly comprises a grinding roller, two sliding seats are respectively arranged at the front and rear of the grinding roller, a frame is arranged at the outer side of the sliding seats, air cylinders connected with the sliding seats are arranged at the front and rear sides of the frame, one end of the grinding roller is respectively connected with a first gear, and the other end of one grinding roller is connected with a first motor; the screening assembly comprises a screening cylinder, a spiral blade is arranged on the inner wall of the screening cylinder, a gear ring is arranged on the outer ring of the screening cylinder, a second gear is arranged on the upper side of the gear ring, and a second motor is arranged at one end of the second gear.

Further set up: the screening device is characterized in that inclined plates are arranged on the inner wall of the box body and positioned at the lower side of the screening cylinder, the inclined plates are arranged in a front-back symmetrical mode, and the lower side of the inclined plates corresponds to the discharging hopper.

Further set up: the rolling roller is rotationally connected with the sliding seat, and first gears at one end of the rolling roller are meshed with each other.

Further set up: the sliding seat is in sliding connection with the frame, and the frame is welded with the box body.

Further set up: the screening cylinder is rotationally connected with the box body, and the spiral blade is welded with the screening cylinder.

Further set up: the second gear is welded with the screening cylinder, and the gear ring is meshed with the second gear for rotation.

Compared with the prior art, the utility model has the following beneficial effects:

through the setting of grinding subassembly, the screening subassembly of grinding mechanism, make raw materials take up under the helical blade rotation on the pivoted screening section of thick bamboo inner wall after rolling, fall into the pivoted again and grind between the roller that rolls, the rotatory screening through the screening section of thick bamboo discharges qualified granule material from the discharge hopper simultaneously, has improved the quality to the raw materials grinding.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a first construction of a solid sample crushing device according to the present utility model;

FIG. 2 is a schematic diagram showing a second construction of a solid sample crushing device according to the present utility model;

FIG. 3 is a schematic view of the grinding mechanism of a solid sample grinding device according to the present utility model;

FIG. 4 is a schematic right-cut-away view of a solid sample crushing device according to the present utility model;

fig. 5 is a schematic partial structure of a screening assembly of a solid sample crushing device according to the present utility model.

The reference numerals are explained as follows:

1. a support mechanism; 11. a case; 12. a support frame; 2. a grinding mechanism; 21. a grinding assembly; 211. a roller; 212. a slide; 213. a frame; 214. a cylinder; 215. a first gear; 216. a first motor; 22. a screening component; 221. a screening cylinder; 222. a gear ring; 223. a second gear; 224. a second motor; 225. a helical blade; 226. a sloping plate; 3. a feed hopper; 4. and (5) discharging the hopper.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 5, a solid sample grinding device comprises a support mechanism 1, wherein the support mechanism 1 is provided with a grinding mechanism 2 for grinding and screening solid samples,

in this embodiment: the supporting mechanism 1 comprises a box body 11, a supporting frame 12 is arranged at the lower end of the box body 11, a feeding hopper 3 is arranged on the side wall of the box body 11, and a discharging hopper 4 is arranged at the lower end of the box body 11; the inner wall of the box 11 is provided with inclined plates 226 positioned at the lower side of the screening cylinder 221, the inclined plates 226 are arranged in a front-back symmetrical mode, and the lower side of the inclined plates 226 corresponds to the discharge hopper 4.

In this embodiment: the grinding mechanism 2 comprises a screening assembly 22 arranged on the inner side of the box body 11, and a grinding assembly 21 for grinding the solid sample is arranged in the screening assembly 22; the grinding assembly 21 comprises a grinding roller 211 which is provided with two parts at the front and the back, two ends of the grinding roller 211 are connected with a sliding seat 212, a frame 213 is arranged at the outer side of the sliding seat 212, an air cylinder 214 connected with the sliding seat 212 is arranged at the front and the back sides of the frame 213, one end of the grinding roller 211 is connected with a first gear 215, and the other end of one part of the grinding roller 211 is connected with a first motor 216; the roller 211 is rotatably connected with the slide seat 212, and a first gear 215 at one end of the roller 211 is meshed with each other; the slide seat 212 is in sliding connection with the frame 213, and the frame 213 is welded with the box 11; the air cylinder 214 pushes the sliding seat 212 to move relatively, so that the distance between the rolling rollers 211 is changed, and the first gear 215 is meshed to enable the rolling rollers 211 to rotate relatively, so that rolling of different particles is convenient to adapt; the screening assembly 22 comprises a screening cylinder 221, a spiral blade 225 is arranged on the inner wall of the screening cylinder 221, a gear ring 222 is arranged on the outer ring of the screening cylinder 221, a second gear 223 is arranged on the upper side of the gear ring 222, and a second motor 224 is arranged at one end of the second gear 223; the screening cylinder 221 is rotatably connected with the box 11, and the spiral blade 225 is welded with the screening cylinder 221; the second gear 223 is welded with the screening cylinder 221, the gear ring 222 is meshed with the second gear 223 to rotate, the second gear 223 is driven by the second motor 224 to be meshed with the gear ring 222 to rotate, the rolled raw materials are brought up under the rotation of the spiral blade 225 and fall into the space between the rolling rollers 211 again to be crushed, and the granular materials passing through the screening cylinder 221 are discharged from the discharge hopper 4.

The working principle and the use flow of the utility model are as follows: solid raw materials are added into the feed hopper 3, the first motor 216 of the grinding assembly 21 drives the grinding roller 211 to relatively rotate under the transmission of the first gear 215 to grind the solid raw materials, the second motor 224 drives the second gear 223 to be meshed with the gear ring 222 to rotate, the screening cylinder 221 is made to rotate, the ground raw materials are screened, the screened raw materials are concentrated from the discharge hopper 4 through the inclined plate 226 and discharged, simultaneously the spiral blades 225 on the inner wall of the screening cylinder 221 drive larger particles to be thrown upwards and fall between the grinding rollers 211 again, the sliding seat 212 is pushed to relatively move through the air cylinder 214, the distance between the grinding rollers 211 is reduced, and the grinding granularity of the grinding materials is reduced.

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. A solid sample crushing device, characterized by: the device comprises a supporting mechanism (1), wherein a grinding mechanism (2) for grinding and screening solid samples is arranged on the supporting mechanism (1), the supporting mechanism (1) comprises a box body (11), a supporting frame (12) is arranged at the lower end of the box body (11), a feed hopper (3) is arranged on the side wall of the box body (11), and a discharge hopper (4) is arranged at the lower end of the box body (11);

the grinding mechanism (2) comprises a screening component (22) arranged on the inner side of the box body (11), and a grinding component (21) for grinding the solid sample is arranged in the screening component (22); the grinding assembly (21) comprises a grinding roller (211) which is arranged at two positions in front of and behind, two ends of the grinding roller (211) are connected with a sliding seat (212), a frame (213) is arranged on the outer side of the sliding seat (212), an air cylinder (214) connected with the sliding seat (212) is arranged on the front side and the rear side of the frame (213), one end of the grinding roller (211) is connected with a first gear (215), and one end of the grinding roller (211) is connected with a first motor (216); the screening assembly (22) comprises a screening cylinder (221), a spiral blade (225) is arranged on the inner wall of the screening cylinder (221), a gear ring (222) is arranged on the outer ring of the screening cylinder (221), a second gear (223) is arranged on the upper side of the gear ring (222), and a second motor (224) is arranged at one end of the second gear (223).

2. A solid state sample crushing device according to claim 1, wherein: the screening device is characterized in that an inclined plate (226) is arranged on the inner wall of the box body (11) and positioned at the lower side of the screening cylinder (221), the inclined plate (226) is arranged in a front-back symmetrical mode, and the lower side of the inclined plate (226) corresponds to the discharging hopper (4).

3. A solid state sample crushing device according to claim 1, wherein: the rolling roller (211) is rotatably connected with the sliding seat (212), and a first gear (215) at one end of the rolling roller (211) is meshed with each other.

4. A solid state sample crushing device according to claim 1, wherein: the slide (212) is in sliding connection with the frame (213), and the frame (213) is welded with the box body (11).

5. A solid state sample crushing device according to claim 1, wherein: the screening cylinder (221) is rotatably connected with the box body (11), and the spiral blade (225) is welded with the screening cylinder (221).

6. A solid state sample crushing device according to claim 1, wherein: the second gear (223) is welded with the screening cylinder (221), and the gear ring (222) is meshed with the second gear (223) for rotation.