CN215087807U - Centrifugal crusher - Google Patents
Centrifugal crusher Download PDFInfo
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- CN215087807U CN215087807U CN202120450956.7U CN202120450956U CN215087807U CN 215087807 U CN215087807 U CN 215087807U CN 202120450956 U CN202120450956 U CN 202120450956U CN 215087807 U CN215087807 U CN 215087807U
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- rotary cutter
- rotary
- sample
- driving mechanism
- screen
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Abstract
The utility model provides a centrifugal crusher, include: casing, rotary driving mechanism, rotary cutter, screen cloth, catch tray, apron and upper cover, the rotary cutter includes joint portion, rotary cutter disk body and a plurality of rotary cutter arris, the rotary cutter passes through joint portion to be installed in rotary driving mechanism's the output is changeed epaxially. During operation, the rotary driving mechanism drives the rotary cutter to rotate at a high speed, a sample falling on the rotary cutter body moves to the rotary cutter edge under the action of centrifugal force to generate strong impact to perform primary crushing, then the sample continues to move towards the extension of the rotary cutter, and is subjected to extrusion and shearing action of the rotary cutter edge and the screen to perform secondary crushing, and when the sample is smaller than the aperture of the screen, the sample enters the collecting tray, so that the preparation of the sample is completed. The two-stage grinding mode enables the sample preparation process to achieve mild and quick effects, and the sample is short in retention time in the grinding cavity, so that the properties of the sample cannot be changed. The cover plate, the collecting tray, the screen and the rotary cutter can be conveniently taken out from the upper part of the machine shell, and the machine shell is convenient to clean.
Description
Technical Field
The utility model relates to a rubbing crusher technical field specifically is a centrifugal rubbing crusher.
Background
The existing pulverizer generally drives the hammer head to rotate at a high speed in a grinding cavity through a motor, so that the purpose of pulverizing a sample is achieved, the sample can be repeatedly impacted and ground in the grinding cavity, and the sample particles which are pulverized firstly are also retained in the grinding cavity for a long time until all samples reach ideal particle sizes. For some biological detection samples, the sample is easy to denature due to long-time repeated crushing, and the detection result of the subsequent sample is influenced. In addition, in the detection industry, in order to prevent mutual pollution of samples, the samples are smashed at every time and need to be cleaned in time after being taken out, and the traditional pulverizer is inconvenient to disassemble.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a centrifugal crusher.
In order to achieve the above object, the technical solution of the present invention is: a centrifugal crusher comprising:
a housing;
the rotary driving mechanism is arranged in the machine shell, an output rotating shaft of the rotary driving mechanism is vertically and upwards arranged, and a through hole is formed in the machine shell; the output rotating shaft penetrates through the through hole, or the output rotating shaft is positioned right below the through hole;
the rotary cutter is arranged above the shell and comprises a clamping part, a rotary cutter disc body and a plurality of rotary cutter edges, the clamping part is arranged at the central position of the lower surface of the rotary cutter disc body, the plurality of rotary cutter edges are circumferentially distributed on the outer circle edge part of the rotary cutter disc body, and the rotary cutter is arranged on an output rotating shaft of the rotary driving mechanism through the clamping part;
the screen is arranged at the periphery of the rotary cutter, and a gap is formed between a rotary cutter edge of the rotary cutter and the screen;
a collection tray disposed at a periphery of the screen;
the cover plate is arranged on the collecting tray in a covering mode;
and the upper cover is arranged above the machine shell in a covering mode and surrounds the rotary cutter, the screen, the collecting tray and the cover plate.
Adopt the utility model discloses technical scheme, the during operation, rotary driving mechanism drive the high-speed rotation of rotary cutter, and the sample that falls on the rotary cutter disk body is owing to move under centrifugal force and produce strong striking and carry out primary crushing on the rotary cutter arris, then the sample continues to go to rotary cutter epitaxial motion, receives the extrusion of rotary cutter arris and screen cloth and carries out the second grade with shearing action and smashes, when the sample is less than the screen cloth aperture, will get into the collection dish to accomplish the preparation of sample. The two-stage grinding mode enables the sample preparation process to achieve mild and quick effects, and the sample is short in retention time in the grinding cavity, so that the properties of the sample cannot be changed. The cover plate, the collecting tray, the screen and the rotary cutter can be conveniently taken out from the upper part of the machine shell, and the machine shell is convenient to clean.
Furthermore, the sample feeding device further comprises a sample feeding guide mechanism, wherein the sample feeding guide mechanism comprises a discharging funnel and a feeding funnel, the feeding funnel is arranged on the upper cover, the discharging funnel is positioned above the inner side of the conical surface of the feeding funnel, a sample feeding port is arranged on the cover plate, and an outlet of the feeding funnel is matched with the position of the sample feeding port of the cover plate.
Adopt above-mentioned preferred scheme, conveniently add the sample grinding chamber in grades, improve grinding efficiency.
Furthermore, the lower part of the discharging funnel is provided with a conical surface part with an upward cone angle, and a lateral discharging opening is arranged above the periphery of the conical surface part.
Adopt above-mentioned preferred scheme, the sample direction that the conical surface portion can be put into falls on the rotary cutter from the side direction blanking mouth to can block the sample that splashes back and fall on the rotary cutter, prevent that the sample flies the spill grinding chamber.
Further, the upper cover is hinged to the housing by a hinge.
Adopt above-mentioned preferred scheme, make things convenient for the upper cover to open and close.
Further, the upper cover is also provided with a cover plate fixing plate, and when the upper cover is in a closed state, the cover plate fixing plate is pressed against the upper surface of the cover plate.
Adopt above-mentioned preferred scheme, can compress tightly the apron, prevent that the sample from splashing.
The rotary cutter is characterized by further comprising a sealing chassis, the sealing chassis is arranged on the machine shell below the rotary cutter, and an annular bulge and an annular groove which are mutually nested are arranged between the upper surface of the sealing chassis and the lower surface of the rotary cutter.
By adopting the preferable scheme, the sample particles after grinding can be prevented from jumping out from the lower part of the rotary cutter.
Further, the joint portion of rotary cutter includes the U-shaped groove that sets up down along vertical direction opening, be equipped with the pin of embedding in the U-shaped groove in rotary drive mechanism's the output pivot.
Furthermore, the output rotating shaft of the rotary driving mechanism is provided with marbles distributed along the radial direction, the output rotating shaft is internally provided with a spring for jacking the marbles, the clamping part of the rotary cutter is internally provided with an inwards concave arc-shaped positioning groove, and the marbles protrude out of the cylindrical surface of the output rotating shaft under the action of the spring and are embedded into the arc-shaped positioning groove.
Adopt above-mentioned preferred scheme, can ensure that the during operation rotary cutter position remains stable, and the rotary cutter adopts plug-in loading and unloading simultaneously, takes out the washing after convenient work is accomplished.
Furthermore, a jacking mechanism for controlling the opening and closing of the upper cover and a first in-place detection mechanism for detecting whether the upper cover is closed in place are arranged between the upper cover and the machine shell.
Furthermore, a second in-place detection mechanism for detecting whether the cover plate is installed in place is further arranged on the upper cover.
Furthermore, a controller is further arranged in the casing, the controller is in signal connection with the rotary driving mechanism, the first in-place detection mechanism and the second in-place detection mechanism, and the controller receives detection signals of the first in-place detection mechanism and the second in-place detection mechanism and sends out command signals for controlling the rotary driving mechanism to act after processing.
By adopting the preferable scheme, when the components are not installed in place, the rotary cutter is prevented from being started, and the safety performance is ensured.
Furthermore, a liquid crystal control screen is further installed on the machine shell and is in signal connection with the controller.
By adopting the preferable scheme, the adjustment and control of a user are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a state diagram of the cover plate being opened and the cover plate being opened according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of an embodiment of the present invention;
FIG. 5 is a cross-sectional view corresponding to FIG. 4;
FIG. 6 is a schematic view showing a state in which the rotary cutter is engaged with the output rotary shaft;
FIG. 7 is a schematic structural view of a rotary cutter;
FIG. 8 is a schematic view of the back structure of the rotary cutter;
FIG. 9 is a schematic structural view of a seal carrier;
fig. 10 is a schematic structural view of a discharge funnel.
Names of corresponding parts represented by numerals and letters in the drawings:
10-a housing; 20-a rotary drive mechanism; 201-output shaft; 2011-hoodle; 2012-a spring; 2013-dowel; 30-rotating a cutter; 301-a snap-in part; 3011-a U-shaped slot; 3012-an arc-shaped positioning groove; 302-rotary cutter head body; 303-rotating a cutter edge; 40-a screen mesh; 50-a collection tray; 60-cover plate; 70-upper cover; 801-a discharging funnel; 8011-conical surface part; 8012-side blanking port; 802-a feed hopper; 803-cover plate fixing plate; 90-sealing the chassis; 901-annular protrusions; 902-annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 8, a centrifugal crusher comprises:
a housing 10;
the rotary driving mechanism 20 is arranged in the machine shell 10, an output rotating shaft 201 of the rotary driving mechanism 20 is vertically upwards arranged, and a through hole is formed in the machine shell 10; the output rotating shaft 201 penetrates through the through hole;
the rotary cutter 30 is arranged above the machine shell 10, the rotary cutter 30 comprises a clamping portion 301, a rotary cutter head 302 and a plurality of rotary cutter edges 303, the clamping portion 301 is arranged at the center of the lower surface of the rotary cutter head 302, the plurality of rotary cutter edges 303 are circumferentially distributed on the outer circle edge portion of the rotary cutter head 302, and the rotary cutter 30 is arranged on the output rotating shaft 201 of the rotary driving mechanism 20 through the clamping portion 301;
a screen 40 disposed on the periphery of the rotary cutter 30, with a gap between the rotary cutter edge 303 of the rotary cutter and the screen 40;
a collection tray 50 disposed at the periphery of the screen 40;
a cover plate 60 covering the collection tray 50;
and an upper cover 70 which is disposed above the cabinet 10 and surrounds the rotary blade 30, the screen 40, the collection tray 50 and the cover plate 60.
The beneficial effect of adopting above-mentioned technical scheme is: the during operation, the rotary driving mechanism drives the rotary cutter and rotates at a high speed, and the sample that falls on the rotary cutter disk body is subjected to secondary crushing under the action of centrifugal force due to strong impact generated when moving to the rotary cutter edge, then the sample continues to move towards the rotary cutter in an extending manner, and is subjected to extrusion and shearing action of the rotary cutter edge and the screen mesh, and when the sample is smaller than the aperture of the screen mesh, the sample enters the collecting disk, so that the preparation of the sample is completed. The two-stage grinding mode enables the sample preparation process to achieve mild and quick effects, and the sample is short in retention time in the grinding cavity, so that the properties of the sample cannot be changed. The cover plate, the collecting tray, the screen and the rotary cutter can be conveniently taken out from the upper part of the machine shell, and the machine shell is convenient to clean.
As shown in fig. 2, the present invention further includes a sample loading guide mechanism, the sample loading guide mechanism includes a discharging funnel 801 and a feeding funnel 802, the feeding funnel 802 is installed on the upper cover 70, the discharging funnel 801 is located above the inner side of the conical surface of the feeding funnel 802, a sample loading port is provided on the cover plate 60, and the outlet of the feeding funnel 802 is matched with the position of the sample loading port of the cover plate 60. The beneficial effect of adopting above-mentioned technical scheme is: the sample is conveniently added into the grinding cavity in a grading manner, and the grinding efficiency is improved.
As shown in fig. 10, in other embodiments of the present invention, a tapered surface portion 8011 having an upward taper angle is disposed at a lower portion of the discharging funnel 801, and a lateral discharging opening 8012 is disposed above an outer periphery of the tapered surface portion 8011. The beneficial effect of adopting above-mentioned technical scheme is: conical surface portion can fall on the rotary cutter from the side direction blanking mouth with the sample direction of putting into to can block the sample that splashes back to the rotary cutter on, prevent that the sample flies the spill and grind the chamber.
In other embodiments of the present invention, as shown in fig. 3, the upper cover 70 is hingedly mounted on the housing 10 by a hinge. The beneficial effect of adopting above-mentioned technical scheme is: the upper cover is convenient to open and close.
As shown in fig. 2, in other embodiments of the present invention, a cover plate fixing plate 803 is further disposed on the upper cover 70, and when the upper cover 70 is in the closed state, the cover plate fixing plate 803 is pressed against the upper surface of the cover plate 60. The beneficial effect of adopting above-mentioned technical scheme is: the cover plate can be pressed to prevent the sample from splashing.
As shown in fig. 5 and 9, in other embodiments of the present invention, the present invention further includes a sealing chassis 90, the sealing chassis 90 is disposed on the housing below the rotary cutter 30, and an annular protrusion 901 and an annular groove 902 are disposed between the upper surface of the sealing chassis 90 and the lower surface of the rotary cutter 30, which are nested with each other. The beneficial effect of adopting above-mentioned technical scheme is: can prevent the sample particles after grinding from jumping out from the lower part of the rotary cutter.
As shown in fig. 6, in another embodiment of the present invention, the clamping portion 301 of the rotary cutter 30 includes a U-shaped groove 3011 with a downward opening along the vertical direction, and a pin 2013 embedded in the U-shaped groove 3011 is disposed on the output shaft 201 of the rotary driving mechanism. The output rotating shaft 201 of the rotary driving mechanism is provided with marbles 2011 which are distributed along the radial direction, the output rotating shaft 201 is internally provided with a spring 2012 which jacks up the marbles, the clamping part 301 of the rotary cutter is internally provided with an inwards concave arc-shaped positioning groove 3012, and the marbles 2011 protrude out of the cylindrical surface of the output rotating shaft under the action of the spring 2012 and are embedded into the arc-shaped positioning groove 3012. The beneficial effect of adopting above-mentioned technical scheme is: the position of the rotary cutter can be kept stable during working, and meanwhile, the rotary cutter is assembled and disassembled in a plug-in mode, so that the rotary cutter can be conveniently taken out and cleaned after work is finished.
In other embodiments of the present invention, the upper cover and the casing are further provided with a control unit for controlling the jacking mechanism of the upper cover to open and close and detecting whether the upper cover is closed in place by the first on-site detection mechanism. The upper cover is also provided with a second in-place detection mechanism for detecting whether the cover plate is installed in place. The shell is internally provided with a controller, the controller is in signal connection with the rotary driving mechanism, the first in-place detection mechanism and the second in-place detection mechanism, and the controller receives detection signals of the first in-place detection mechanism and the second in-place detection mechanism and sends out instruction signals for controlling the rotary driving mechanism to act after processing. The beneficial effect of adopting above-mentioned technical scheme is: when the components are not installed in place, the rotary cutter is prevented from being started, and the safety performance is ensured.
In other embodiments of the present invention, a liquid crystal control screen is further installed on the housing, and the liquid crystal control screen is connected to the controller via a signal. The beneficial effect of adopting above-mentioned technical scheme is: the user can adjust and control conveniently.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A centrifugal crusher, comprising:
a housing;
the rotary driving mechanism is arranged in the machine shell, an output rotating shaft of the rotary driving mechanism is vertically and upwards arranged, and a through hole is formed in the machine shell; the output rotating shaft penetrates through the through hole, or the output rotating shaft is positioned right below the through hole;
the rotary cutter is arranged above the shell and comprises a clamping part, a rotary cutter disc body and a plurality of rotary cutter edges, the clamping part is arranged at the central position of the lower surface of the rotary cutter disc body, the plurality of rotary cutter edges are circumferentially distributed on the outer circle edge part of the rotary cutter disc body, and the rotary cutter is arranged on an output rotating shaft of the rotary driving mechanism through the clamping part;
the screen is arranged at the periphery of the rotary cutter, and a gap is formed between a rotary cutter edge of the rotary cutter and the screen;
a collection tray disposed at a periphery of the screen;
the cover plate is arranged on the collecting tray in a covering mode;
and the upper cover is arranged above the machine shell in a covering mode and surrounds the rotary cutter, the screen, the collecting tray and the cover plate.
2. The centrifugal crusher according to claim 1, further comprising a sample application guide mechanism, wherein the sample application guide mechanism comprises an emptying funnel and a feeding funnel, the feeding funnel is mounted on the upper cover, the emptying funnel is located above the inner side of the conical surface of the feeding funnel, a sample application port is arranged on the cover plate, and an outlet of the feeding funnel is matched with the sample application port of the cover plate.
3. A centrifugal crusher as claimed in claim 2, wherein the lower part of said discharge hopper is provided with a conical surface portion with an upward cone angle, and a lateral discharge opening is provided above the periphery of said conical surface portion.
4. A centrifugal crusher as claimed in claim 3, wherein said upper cover is hingedly mounted to said housing by a hinge.
5. A centrifugal crusher as claimed in claim 4, wherein said upper lid is further provided with a lid plate fixing plate which is pressed against said lid plate upper surface when said upper lid is in a closed state.
6. The centrifugal crusher of claim 1 further comprising a sealing pan disposed on the housing below the rotary cutter, wherein an annular protrusion and an annular groove are nested with each other between an upper surface of the sealing pan and a lower surface of the rotary cutter.
7. The centrifugal crusher according to claim 1, wherein the catching portion of the rotary cutter includes a U-shaped groove opened downward in a vertical direction, and a pin inserted into the U-shaped groove is provided on the output rotary shaft of the rotary drive mechanism.
8. The centrifugal crusher according to claim 7 wherein the output shaft of the rotary driving mechanism has radially arranged balls, the output shaft has a spring therein for lifting the balls, the engagement portion of the rotary cutter has a concave arc-shaped positioning groove therein, and the balls are protruded from the cylindrical surface of the output shaft by the spring and are inserted into the arc-shaped positioning groove.
9. The centrifugal crusher as claimed in claim 1, wherein a lifting mechanism for controlling the opening and closing of the upper cover and a first in-place detection mechanism for detecting whether the upper cover is closed in place are further provided between the upper cover and the casing.
10. The centrifugal crusher as claimed in claim 9, wherein the upper cover further has a second in-place detection mechanism for detecting whether the cover plate is in place, the casing further has a controller connected to the rotation driving mechanism, the first in-place detection mechanism and the second in-place detection mechanism, and the controller receives the detection signals from the first in-place detection mechanism and the second in-place detection mechanism and sends out a command signal for controlling the rotation driving mechanism to operate after processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450956.7U CN215087807U (en) | 2021-03-02 | 2021-03-02 | Centrifugal crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450956.7U CN215087807U (en) | 2021-03-02 | 2021-03-02 | Centrifugal crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215087807U true CN215087807U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120450956.7U Active CN215087807U (en) | 2021-03-02 | 2021-03-02 | Centrifugal crusher |
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| CN (1) | CN215087807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115993419A (en) * | 2023-03-02 | 2023-04-21 | 山东惠分仪器有限公司 | Method for detecting toluene content in solid dye powder |
-
2021
- 2021-03-02 CN CN202120450956.7U patent/CN215087807U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115993419A (en) * | 2023-03-02 | 2023-04-21 | 山东惠分仪器有限公司 | Method for detecting toluene content in solid dye powder |
| CN115993419B (en) * | 2023-03-02 | 2024-05-14 | 山东惠分仪器有限公司 | Method for detecting toluene content in solid dye powder |
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