CN220120508U - Sample grinder - Google Patents

Abstract

The utility model relates to the technical field of agricultural seed analysis, in particular to a sample pulverizer, which comprises a pulverizing box body, wherein a pulverizing assembly and a first driving mechanism in driving connection with the pulverizing assembly are arranged in the pulverizing box body; the feeding port and the discharging port of the crushing box body are respectively provided with a feeding hopper and a discharging hopper; the crushing box body is also provided with a feeding hopper, and a quantitative stirring assembly is arranged in the feeding hopper. After the seed sample to be crushed is injected into the feeding hopper once, under the action of the quantitative stirring assembly, the seed sample can be orderly discharged to the feeding hopper along the feeding pipe, the constant quantity of the seed sample fed into the crushing box body is ensured, the crushing speed and the uniform effect of the crushing assembly on the sample are ensured, and the uneven crushing condition is avoided.

Description

Sample grinder

Technical Field

The utility model relates to the technical field of agricultural seed analysis, in particular to a sample pulverizer.

Background

Seed sample comminution chamber a process of comminuting a bulk seed sample or fine particles to facilitate subsequent analysis, extraction or processing. Seeds typically consist of an outer shell and an inner endosperm, with the nutritional components of the seed being primarily concentrated in the endosperm. By comminuting the seed, the endosperm can be exposed to the environment, facilitating subsequent extraction and analysis processes. The crushing of the seed sample can improve the extraction efficiency and sample uniformity, promote the reaction rate, and has important application value in the fields of seed research, plant breeding, agricultural science and the like.

At present, the method for crushing the seed samples mainly adopts a pot grinding or stirring crushing mode, the pot grinding is mainly used for satisfying the crushing work after sampling a small amount of seed samples, the crushing amount is small each time, and the efficiency is relatively low by a manual grinding mode. And adopt stirring kibbling mode, can satisfy the crushing of a large amount of seed samples, realize crushing and refining to the sample through the continuous rotation of stirring sword, but when the seed was smashed, still need artifical initiative material loading, the feed rate is uncontrollable, because sample feed rate does not have rational control and can appear following defect:

1) Non-uniform comminution, some samples are excessively comminuted, while other samples may be insufficiently comminuted, resulting in non-uniformity in sample particle size and distribution.

2) Excessive crushing, if the feeding speed is too high, may cause the sample to be extruded and excessively crushed, so that particles in the sample are too fine or too few and exceed the analysis range, thereby affecting the accuracy of the experimental result.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a sample crusher to solve the problems that the sample feeding speed cannot be controlled and uneven crushing is easy to occur.

The technical scheme for solving the technical problems is as follows: the sample pulverizer comprises a pulverizing box body, wherein a pulverizing assembly and a first driving mechanism in driving connection with the pulverizing assembly are arranged in the pulverizing box body; the feeding port and the discharging port of the crushing box body are respectively provided with a feeding hopper and a discharging hopper; a feeding hopper is also erected on the crushing box body, and a quantitative stirring assembly and a second driving mechanism in driving connection with the quantitative stirring assembly are arranged in the feeding hopper; and a feeding pipe extending to the feeding hopper is arranged at the discharge opening of the feeding hopper.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the crushing assembly comprises a rotary table rotationally connected with the inner side wall of the crushing box body, and a plurality of uniformly encircling rotary cutters are arranged on the surface of the rotary table; a plurality of fixed cutters which are uniformly distributed in a surrounding manner are also arranged along the circumference of the turntable.

Further, the first driving mechanism comprises a first motor and a first driving shaft connected with the turntable; the output end of the first motor and the input end of the first driving shaft are respectively provided with a belt pulley, and the two groups of belt pulleys are in transmission connection through a transmission belt.

Further, the quantitative stirring assembly comprises a second driving shaft extending along the axis of the feeding hopper, and a spiral feeding blade is arranged on the second driving shaft.

Further, the second driving mechanism comprises a second motor and a speed reducer; the output end of the second motor is connected with a speed reducer, and the output end of the speed reducer is in driving connection with the second driving shaft.

Further, a deflector rod extending to the inner wall of the feeding hopper is arranged on the second driving shaft, and a deflector sheet matched with the inner wall of the feeding hopper is arranged on the deflector rod.

Further, an access hole is reserved in the crushing box body, and a detachable access plate is arranged at the access hole.

In addition, the sample grinder provided by the utility model has at least the following compared with the prior art

The beneficial effects are that:

1) After the seed sample to be crushed is injected into the feeding hopper once, under the action of the quantitative stirring assembly, the seed sample can be orderly discharged to the feeding hopper along the feeding pipe, the constant quantity of the seed sample fed into the crushing box body is ensured, the crushing speed and the uniform effect of the crushing assembly on the sample are ensured, and the uneven crushing condition is avoided.

2) By controlling the discharging speed of the seed sample, the situation that the seeds are excessively crushed or insufficiently crushed can be avoided, the crushed sample is ensured to accord with the analysis range, and the accuracy of experimental results is improved.

3) The poking plate is driven by the poking rod to circularly crank along the inner wall of the feeding hopper so as to clean and drop the seed sample attached to the inner wall of the feeding hopper, thereby avoiding omission.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the pulverizing box of the present utility model;

fig. 4 is a schematic cross-sectional view of a hopper according to the utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. crushing box, 2, access panel, 3, feeder hopper, 4, lower hopper, 5, feed hopper, 6, feed pipe, 7, carousel, 7.1, rotary cutter, 7.2, stationary cutter, 8, motor one, 9, drive shaft one, 10, drive shaft two, 11, spiral feeding blade, 12, motor two, 13, speed reducer, 14, driving lever, 15, plectrum.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

It should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, unless otherwise specifically indicated and defined. The specific meaning of such terms in this patent will be understood by those of ordinary skill in the art as the case may be.

As shown in fig. 1 and 2, the sample pulverizer of the present utility model includes a pulverizing box 1, wherein a pulverizing assembly and a first driving mechanism in driving connection with the pulverizing assembly are disposed in the pulverizing box 1; a feeding hopper 3 and a discharging hopper 4 are respectively arranged at a feeding opening and a discharging opening of the crushing box body 1; a feeding hopper 5 is also erected on the crushing box body 1, and a quantitative stirring assembly and a driving mechanism II which is in driving connection with the quantitative stirring assembly are arranged in the feeding hopper 5; a feed pipe 6 extending to the feed hopper 3 is arranged at the discharge opening of the feed hopper 5. After the seed sample to be crushed is injected into the feeding hopper 5 for one time, under the action of the quantitative stirring component, the seed sample can be orderly discharged to the feeding hopper 3 along the feeding pipe 6, the constant quantity of the seed sample fed into the crushing box body 1 is ensured, the crushing rate and the effect of the crushing component on the sample are ensured to be consistent, and the uneven crushing condition is avoided. In addition, through the unloading speed of control seed sample, can avoid the seed to appear excessively broken or the circumstances of breakage inadequately, guarantee that the sample through smashing accords with the analysis scope, improved the accuracy of experimental result.

As an embodiment, as shown in fig. 3, the crushing assembly comprises a rotary table 7 rotatably connected with the inner side wall of the crushing box body 1, and a plurality of uniformly encircling rotary cutters 7.1 are arranged on the surface of the rotary table 7; a plurality of fixed cutters 7.2 which are uniformly distributed in a surrounding manner are also arranged along the circumference of the rotary disc 7. After the seed sample enters the crushing box body 1, the seed sample can stay in the gaps between the rotary cutters 7.1 and the fixed cutters 7.2, the rotary cutters 7.1 are driven to rotate through the rotary disc 7 so as to crush the seed sample, and after the sample is crushed to a standard size, the sample naturally falls down from the gaps between the fixed cutters 7.2 and is collected through the blanking hopper 4.

Specifically, the first driving mechanism comprises a first motor 8 and a first driving shaft 9 connected with the turntable 7; the output end of the motor I8 and the input end of the driving shaft I9 are respectively provided with a belt pulley, the two groups of belt pulleys are in transmission connection through a transmission belt, the belt pulleys are driven by the motor I8, and the driving shaft I9 is driven to stably rotate under the transmission of the transmission belt so as to drive the turntable 7 to rotate.

As an implementation manner, as shown in fig. 4, the quantitative material stirring assembly includes a second driving shaft 10 extending along the axis of the feeding hopper 5, a spiral feeding blade 11 is installed on the second driving shaft 10, after the seed sample is placed by the feeding hopper 5, the spiral feeding blade 11 is driven to rotate under the rotation of the second driving shaft 10, so that quantitative and stable conveying of the seed sample can be realized, and the feeding stability is ensured, so as to control the feeding speed.

Specifically, the second driving mechanism comprises a second motor 12 and a speed reducer 13; the output end of the second motor 12 is connected with a speed reducer 13, the output end of the speed reducer 13 is in driving connection with a second driving shaft 10, and the second driving shaft 10 is driven by the second motor 12 and the speed reducer 13 to drive the movable spiral feeding blade 11 to rotate.

In addition, a deflector rod 14 extending towards the inner wall of the feeding hopper 5 is arranged on the second driving shaft 10, a deflector plate 15 matched with the inner wall of the feeding hopper 5 is arranged on the deflector rod 14, and the deflector plate 15 is driven to circularly crank along the inner wall of the feeding hopper 5 by the deflector rod 14 in the rotation process of the second driving shaft 10 so as to clean and drop the seed sample attached to the inner wall of the feeding hopper 5, thereby avoiding omission. The pulling piece 15 can be made of rubber or silica gel.

As an implementation mode, the smashing box body 1 is further reserved with an overhaul port, a detachable overhaul plate 2 is arranged at the overhaul port, and the overhaul plate 2 is opposite to the smashing component, so that subsequent maintenance and overhaul are facilitated.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to the specific circumstances.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. The sample pulverizer is characterized by comprising a pulverizing box body (1), wherein a pulverizing assembly and a first driving mechanism in driving connection with the pulverizing assembly are arranged in the pulverizing box body (1); a feeding hopper (3) and a discharging hopper (4) are respectively arranged at a feeding opening and a discharging opening of the crushing box body (1); a feeding hopper (5) is also erected on the crushing box body (1), and a quantitative stirring assembly and a second driving mechanism in driving connection with the quantitative stirring assembly are arranged in the feeding hopper (5); a feeding pipe (6) extending to the feeding hopper (3) is arranged at the discharge opening of the feeding hopper (5).

2. The sample pulverizer of claim 1, wherein the pulverizing assembly comprises a turntable (7) rotatably connected with the inner side wall of the pulverizing box (1), and a plurality of uniformly encircling rotary cutters (7.1) are arranged on the surface of the turntable (7); a plurality of fixed cutters (7.2) which are uniformly distributed in a surrounding way are also arranged along the circumference of the rotary disc (7).

3. A sample pulverizer as claimed in claim 2, wherein the first drive mechanism comprises a first motor (8) and a first drive shaft (9) connected to the turntable (7); the output end of the motor I (8) and the input end of the driving shaft I (9) are respectively provided with a belt pulley, and the two groups of belt pulleys are in transmission connection through a transmission belt.

4. The sample pulverizer of claim 1, wherein the dosing assembly comprises a second drive shaft (10) extending along the axis of the hopper (5), the second drive shaft (10) being provided with a screw feed blade (11).

5. The sample crusher according to claim 4, characterized in that the second driving mechanism comprises a second motor (12) and a speed reducer (13); the output end of the motor II (12) is connected with a speed reducer (13), and the output end of the speed reducer (13) is in driving connection with the driving shaft II (10).

6. The sample crusher according to claim 4, characterized in that a deflector rod (14) extending towards the inner wall of the feeding hopper (5) is arranged on the second driving shaft (10), and a deflector sheet (15) matched with the inner wall of the feeding hopper (5) is arranged on the deflector rod (14).

7. The sample crusher according to claim 1, characterized in that an access opening is reserved on the crushing box body (1), and a detachable access panel (2) is arranged at the access opening.