阅读说明：本技术 一种动物组织样品粉碎处理工作台 (Animal tissue sample crushing treatment workstation ) 是由 张振宇 时俊峰 高歌 张琳静 冯琰 武长水 胡翠玲 杨书丽 关婷婷 马超越 张纪 于 2021-10-22 设计创作，主要内容包括：本发明涉及粉碎技术领域,具体涉及一种动物组织样品粉碎处理工作台,包括操作台、粉碎器,粉碎器安装于操作台,包括外筒、筛碗、主轴、驱动组件、料斗、安装盘,主轴竖直延伸,可转动且可上下滑动地安装于外筒内；筛碗可转动地套于主轴；筛碗呈开口朝上的碗状,且内壁上设置有多个筛孔,筛碗的内径从下往上逐渐增加；安装盘固定安装于主轴且与筛碗的内壁留有间隙；料斗位于筛碗下方,且可水平滑动地安装于主轴下端；驱动组件驱动主轴和筛碗沿与相反方向转动,并在主轴向下移动时使主轴的转速增加。随着物料的粉碎,料斗内物料增加带动主轴向下移动,进而带动安装盘向下移动使安装盘与筛碗之间的间隙减小,同时主轴转速增加,进一步提高粉碎效果。(The invention relates to the technical field of crushing, in particular to an animal tissue sample crushing treatment workbench which comprises an operation table and a crusher, wherein the crusher is arranged on the operation table and comprises an outer cylinder, a sieve bowl, a main shaft, a driving assembly, a hopper and a mounting disc, wherein the main shaft extends vertically and can be rotatably and vertically slidably arranged in the outer cylinder; the sieve bowl is rotatably sleeved on the main shaft; the sieve bowl is in a bowl shape with an upward opening, a plurality of sieve holes are formed in the inner wall of the sieve bowl, and the inner diameter of the sieve bowl is gradually increased from bottom to top; the mounting disc is fixedly mounted on the main shaft and a gap is reserved between the mounting disc and the inner wall of the sieve bowl; the hopper is positioned below the sieve bowl and can be horizontally and slidably arranged at the lower end of the main shaft; the drive assembly drives the spindle and the screen bowl to rotate in opposite directions and increases the rotational speed of the spindle as the spindle moves downward. Along with the crushing of material, the material increases in the hopper and drives the main shaft downstream, and then drives the mounting disc downstream and makes the clearance between mounting disc and the sieve bowl reduce, and the main shaft rotational speed increases simultaneously, further improves crushing effect.)

1. The utility model provides an animal tissue sample shredding workstation which characterized in that: comprises an operation table and a crusher, wherein a storage box is arranged below the operation table; the crusher is arranged on the operating platform, the lower part of the crusher is positioned in the storage box, the crusher comprises an outer cylinder, a sieve bowl, a main shaft, a driving assembly, a hopper and an installation disc, the lower part of the outer cylinder is positioned in the storage box, and the upper end of the outer cylinder is positioned above the table top of the operating platform; the main shaft extends vertically and is rotatably and vertically slidably arranged in the outer cylinder; the sieve bowl is rotatably sleeved on the main shaft, and the upper end of the sieve bowl is rotatably supported against the upper end of the outer barrel; the sieve bowl is in a bowl shape with an upward opening, a plurality of sieve holes are formed in the inner wall of the sieve bowl, and the inner diameter of the sieve bowl is gradually increased from bottom to top; the mounting disc is positioned in the sieve bowl and has a gap with the inner wall of the sieve bowl, the mounting disc is fixedly mounted on the main shaft, the outer circumference of the mounting disc is provided with a grinding wall so as to grind materials under the interaction with the sieve bowl when rotating along with the main shaft, and the gap between the mounting disc and the inner wall of the sieve bowl is gradually reduced when the mounting disc moves downwards along with the main shaft; the hopper is positioned below the sieve bowl to receive materials discharged from the sieve bowl, can be horizontally and slidably arranged at the lower end of the main shaft and drives the main shaft to move downwards along with the accumulation of the materials; the driving assembly drives the main shaft to rotate along a first direction, drives the screening bowl to rotate along a second direction opposite to the first direction, and increases the rotating speed of the main shaft when the main shaft moves downwards, wherein the first direction is clockwise or anticlockwise.

2. The animal tissue sample comminution treatment station of claim 1, wherein: the pulverizer also comprises an upper cover, the upper cover is positioned above the outer barrel, a horizontally extending partition plate is arranged in the upper cover, and the partition plate is positioned above the main shaft; the driving component comprises a motor, a driving gear, a friction cone, a mounting plate and a planetary gear train, wherein an output shaft of the motor rotates along a first direction, the driving gear is coaxial with the main shaft and is fixedly mounted on the output shaft of the motor, and the driving gear and the motor are both mounted above the partition plate; the friction cones are uniformly distributed along the circumferential direction of the driving gear, each friction cone penetrates through the partition plate, the upper end of each friction cone is provided with a conical transmission gear, and the transmission gears enable the friction cones to rotate along a second direction under the meshing transmission with the driving gear; the outer peripheral surface of each friction cone below the partition plate is a friction surface, and the outer periphery of the upper end of the main shaft is a friction surface so as to rotate along a first direction under the contact transmission with the friction surface of the friction cone; the diameter of the friction cone is gradually increased from top to bottom so as to increase the friction transmission ratio and the rotating speed of the main shaft when the main shaft moves downwards; the axis of each friction cone is obliquely arranged, so that the transmission gear and the side surface of the friction surface close to one side of the driving gear and the main shaft are in a vertical state; the mounting plate is rotatably sleeved on the main shaft and is positioned below the partition plate, and a lower boss is arranged on the main shaft and positioned on the lower side of the mounting plate to axially support the mounting plate; the lower end of the mounting plate is provided with a transmission pin matched with the sieve bowl, and the sieve bowl is driven to rotate by the transmission pin after the upper cover is buckled with the outer barrel; the planet gear train comprises a sun gear, planet gears, a planet carrier and a gear ring, wherein an upper boss is arranged on the mounting plate, the sun gear is supported by the upper boss and can be mounted on the main shaft in a vertically sliding and synchronous rotating mode so as to rotate along with the main shaft in a first direction, the planet carrier is sleeved on the main shaft and is fixed on the partition plate through a vertically extending connecting rod, a plurality of planet gears are rotatably mounted on the planet carrier, are uniformly distributed along the circumferential direction of the sun gear and are meshed with the sun gear, and the gear ring is fixed on the mounting plate, is positioned outside the planet gears and is meshed with the planet gears so as to enable the gear ring to drive the mounting plate to rotate along a second direction under the driving of the sun gear and further drive the sieve bowls to rotate along the second direction; a vertically extending spring is arranged between the upper end of the main shaft and the planet carrier, the upper end of the main shaft is in contact with the upper end part of the conical surface of the friction cone in an initial state through the spring, and the spring is extruded to store force when the weight of the hopper is increased to drive the main shaft to move downwards.

3. The animal tissue sample comminution treatment station of claim 2, wherein: a plurality of push rods uniformly distributed along the circumferential direction of the main shaft are arranged on the inner wall of the sieve bowl, each push rod spirally extends upwards from the inner end of the push rod to the outer end of the push rod along a first direction, and the outer ends of the push rods are positioned on the lower side of the mounting disc; the pulverizer also comprises a cutter assembly, wherein the cutter assembly is positioned in the sieve bowl and is positioned below the mounting disc; the cutter assembly comprises an installation cylinder and a plurality of cutter groups which are uniformly distributed around the circumference of the installation cylinder, the lower end of the installation cylinder is supported against the bottom of the sieve bowl, and the installation cylinder can slide up and down and is installed on the main shaft in a synchronous rotating manner so as to rotate along the first direction along with the main shaft; the cutter group comprises a plurality of horizontally extending crushing cutters and a cutter bar connected with the outer ends of the crushing cutters, the crushing cutters are sequentially distributed at intervals from top to bottom, and the inner ends of the crushing cutters are fixedly arranged on the mounting cylinder so as to shear materials in the sieve bowl when rotating along with the mounting cylinder; the cutter arbor extends downwards along the first direction spiral from its upper end to its lower extreme to with the push rod interact when rotating along with the installation section of thick bamboo and promote the material of sieve bowl bottom to move upwards, and send the material to further smashing between mounting disc and the sieve bowl inner wall.

4. The animal tissue sample comminution treatment station of claim 1, wherein: a plurality of feeding gaps are formed in the outer circumference of the mounting disc, and materials are thrown above the mounting disc from the feeding gaps when the cutter bar and the push rod rotate relatively; a material guide notch is formed in the rear side of each feeding notch in the rotating direction of the mounting disc on the outer circumference of the mounting disc, is communicated with the feeding notches and is gradually reduced in the direction away from the feeding notches, so that materials entering the material guide notches are gradually crushed when the mounting disc rotates; one side of each feeding notch, which is close to the material guide notch, on the mounting disc is provided with a baffle plate so as to guide the material thrown from the feeding notch to enter the material guide notch.

5. The animal tissue sample comminution treatment station of claim 1, wherein: a material guide plate is arranged in the outer barrel and is positioned below the sieve bowl to receive the materials sieved by the sieve bowl and guide the materials to enter the hopper.

6. The animal tissue sample comminution treatment station of claim 2, wherein: a handle is arranged outside the upper cover, so that the upper cover, the driving assembly and the main shaft are lifted upwards through the handle, and materials are conveniently added into the sieve bowl; the upper cover is also provided with a buckle so as to be buckled on the outer cylinder after the upper cover and the outer cylinder are assembled; and when the upper cover is buckled with the outer barrel, the transmission pin on the lower side of the mounting plate is inserted into the upper end of the sieve bowl.

7. The animal tissue sample comminution treatment station of claim 6, wherein: the storage cabinet is positioned below the operating platform and supports the operating platform together with the storage box; a plurality of storage lattices are arranged in the storage racks to store the tissue samples to be treated, and the storage racks of the water supply pool are all arranged on the operating table; the operation table is also provided with an auxiliary support used for keeping the upper cover, the driving assembly and the main shaft at lifting height when the upper cover, the driving assembly and the main shaft are lifted, and the upper cover is fixed on the operation table after the upper cover is buckled with the outer barrel.

8. The animal tissue sample comminution treatment station of claim 1, wherein: the storage box is internally provided with a hopper frame, the hopper can be arranged in the hopper frame in an up-down and front-back sliding manner, the hopper is provided with a clamping plate, the clamping plate is clamped on the main shaft to drive the main shaft to move axially, and the clamping plate is separated from the main shaft when the hopper is drawn out, so that the main shaft is allowed to move upwards under the action of the spring to return to the initial position.

Technical Field

The invention relates to the technical field of crushing, in particular to an animal tissue sample crushing treatment workbench.

Background

In the prior art, animal tissue samples are mostly used for animal research, including four kinds of epithelial tissues, connective tissues, muscle tissues and nerve tissues, wherein the animal tissues need to be scrapped after observation, detection and experimental analysis, the animal tissues are easily polluted by medicaments in the research process, the animal tissues need to be disinfected when scrapped, and the tissue samples need to be crushed for ensuring that all the tissue samples are sufficiently disinfected due to different sizes and shapes of the tissue samples, so that the disinfection treatment and subsequent landfill or incineration are convenient, the distance between a cutter disc and the inner wall of the conventional animal tissue crusher is fixed, the rotating resistance of the cutter disc is easily overlarge during starting, the service life of a driving element is shortened, and the gradual crushing of materials is not facilitated, so a device capable of adaptively adjusting the gap between the cutter disc and the inner wall and gradually crushing the materials is needed, thereby extending the drive element life.

Disclosure of Invention

The invention provides an animal tissue sample crushing treatment workbench, which aims to solve the problem that a driving element is easy to damage when a cutter head and an inner wall of an existing crushing device are fixed in a gap.

The invention relates to an animal tissue sample crushing treatment workbench which adopts the following technical scheme:

an animal tissue sample crushing treatment workbench comprises an operation desk and a crusher, wherein a storage box is arranged below the operation desk; the crusher is arranged on the operating platform, the lower part of the crusher is positioned in the storage box, the crusher comprises an outer cylinder, a sieve bowl, a main shaft, a driving assembly, a hopper and an installation disc, the lower part of the outer cylinder is positioned in the storage box, and the upper end of the outer cylinder is positioned above the table top of the operating platform; the main shaft extends vertically and is rotatably and vertically slidably arranged in the outer cylinder; the sieve bowl is rotatably sleeved on the main shaft, and the upper end of the sieve bowl is rotatably supported against the upper end of the outer barrel; the sieve bowl is in a bowl shape with an upward opening, a plurality of sieve holes are formed in the inner wall of the sieve bowl, and the inner diameter of the sieve bowl is gradually increased from bottom to top; the mounting disc is positioned in the sieve bowl and has a gap with the inner wall of the sieve bowl, the mounting disc is fixedly mounted on the main shaft, the outer circumference of the mounting disc is provided with a grinding wall so as to grind materials under the interaction with the sieve bowl when rotating along with the main shaft, and the gap between the mounting disc and the inner wall of the sieve bowl is gradually reduced when the mounting disc moves downwards along with the main shaft; the hopper is positioned below the sieve bowl to receive materials discharged from the sieve bowl, can be horizontally and slidably arranged at the lower end of the main shaft and drives the main shaft to move downwards along with the accumulation of the materials; the driving assembly drives the main shaft to rotate along a first direction, drives the screening bowl to rotate along a second direction opposite to the first direction, and increases the rotating speed of the main shaft when the main shaft moves downwards, wherein the first direction is clockwise or anticlockwise.

Optionally, the pulverizer further comprises an upper cover, the upper cover is positioned above the outer barrel, a horizontally extending partition plate is arranged in the upper cover, and the partition plate is positioned above the main shaft; the driving component comprises a motor, a driving gear, a friction cone, a mounting plate and a planetary gear train, wherein an output shaft of the motor rotates along a first direction, the driving gear is coaxial with the main shaft and is fixedly mounted on the output shaft of the motor, and the driving gear and the motor are both mounted above the partition plate; the friction cones are uniformly distributed along the circumferential direction of the driving gear, each friction cone penetrates through the partition plate, the upper end of each friction cone is provided with a conical transmission gear, and the transmission gears enable the friction cones to rotate along a second direction under the meshing transmission with the driving gear; the outer peripheral surface of each friction cone below the partition plate is a friction surface, and the outer periphery of the upper end of the main shaft is a friction surface so as to rotate along a first direction under the contact transmission with the friction surface of the friction cone; the diameter of the friction cone is gradually increased from top to bottom so as to increase the friction transmission ratio and the rotating speed of the main shaft when the main shaft moves downwards; the axis of each friction cone is obliquely arranged, so that the transmission gear and the side surface of the friction surface close to one side of the driving gear and the main shaft are in a vertical state; the mounting plate is rotatably sleeved on the main shaft and is positioned below the partition plate, and a lower boss is arranged on the main shaft and positioned on the lower side of the mounting plate to axially support the mounting plate; the lower end of the mounting plate is provided with a transmission pin matched with the sieve bowl, and the sieve bowl is driven to rotate by the transmission pin after the upper cover is buckled with the outer barrel; the planet gear train comprises a sun gear, planet gears, a planet carrier and a gear ring, wherein an upper boss is arranged on the mounting plate, the sun gear is supported by the upper boss and can be mounted on the main shaft in a vertically sliding and synchronous rotating mode so as to rotate along with the main shaft in a first direction, the planet carrier is sleeved on the main shaft and is fixed on the partition plate through a vertically extending connecting rod, a plurality of planet gears are rotatably mounted on the planet carrier, are uniformly distributed along the circumferential direction of the sun gear and are meshed with the sun gear, and the gear ring is fixed on the mounting plate, is positioned outside the planet gears and is meshed with the planet gears so as to enable the gear ring to drive the mounting plate to rotate along a second direction under the driving of the sun gear and further drive the sieve bowls to rotate along the second direction; a vertically extending spring is arranged between the upper end of the main shaft and the planet carrier, the upper end of the main shaft is in contact with the upper end part of the conical surface of the friction cone in an initial state through the spring, and the spring is extruded to store force when the weight of the hopper is increased to drive the main shaft to move downwards.

Optionally, the inner wall of the sieve bowl is provided with a plurality of push rods uniformly distributed along the circumferential direction of the main shaft, each push rod spirally extends upwards from the inner end of the push rod to the outer end of the push rod along the first direction, and the outer end of the push rod is positioned at the lower side of the mounting disc; the pulverizer also comprises a cutter assembly, wherein the cutter assembly is positioned in the sieve bowl and is positioned below the mounting disc; the cutter assembly comprises an installation cylinder and a plurality of cutter groups which are uniformly distributed around the circumference of the installation cylinder, the lower end of the installation cylinder is supported against the bottom of the sieve bowl, and the installation cylinder can slide up and down and is installed on the main shaft in a synchronous rotating manner so as to rotate along the first direction along with the main shaft; the cutter group comprises a plurality of horizontally extending crushing cutters and a cutter bar connected with the outer ends of the crushing cutters, the crushing cutters are sequentially distributed at intervals from top to bottom, and the inner ends of the crushing cutters are fixedly arranged on the mounting cylinder so as to shear materials in the sieve bowl when rotating along with the mounting cylinder; the cutter arbor extends downwards along the first direction spiral from its upper end to its lower extreme to with the push rod interact when rotating along with the installation section of thick bamboo and promote the material of sieve bowl bottom to move upwards, and send the material to further smashing between mounting disc and the sieve bowl inner wall.

Optionally, a plurality of feeding gaps are formed in the outer circumference of the mounting disc, and when the cutter bar and the push rod rotate relatively, the material is thrown to the upper portion of the mounting disc from the feeding gaps; a material guide notch is formed in the rear side of each feeding notch in the rotating direction of the mounting disc on the outer circumference of the mounting disc, is communicated with the feeding notches and is gradually reduced in the direction away from the feeding notches, so that materials entering the material guide notches are gradually crushed when the mounting disc rotates; one side of each feeding notch, which is close to the material guide notch, on the mounting disc is provided with a baffle plate so as to guide the material thrown from the feeding notch to enter the material guide notch.

Optionally, a material guide plate is arranged in the outer barrel and located below the sieve bowl to receive the material sieved by the sieve bowl and guide the material to enter the hopper.

Optionally, a handle is arranged outside the upper cover, so that the upper cover, the driving assembly and the main shaft are lifted upwards through the handle, and therefore materials can be added into the sieve bowl conveniently; the upper cover is also provided with a buckle so as to be buckled on the outer cylinder after the upper cover and the outer cylinder are assembled; and when the upper cover is buckled with the outer barrel, the transmission pin on the lower side of the mounting plate is inserted into the upper end of the sieve bowl.

Optionally, the animal tissue sample crushing treatment workbench further comprises a storage rack, a water feeding pool and a storage cabinet, wherein the storage cabinet is positioned below the operation platform and supports the operation platform together with the storage box; a plurality of storage lattices are arranged in the storage racks to store the tissue samples to be treated, and the storage racks of the water supply pool are all arranged on the operating table; the operation table is also provided with an auxiliary support used for keeping the upper cover, the driving assembly and the main shaft at lifting height when the upper cover, the driving assembly and the main shaft are lifted, and the upper cover is fixed on the operation table after the upper cover is buckled with the outer barrel.

Optionally, be provided with the hopper frame in the storage box, the hopper can be installed in the hopper frame about and in the front and back slidable, is provided with the cardboard on the hopper, and the cardboard card is in the main shaft to drive main axial displacement, and break away from with the main shaft when the hopper is taken out, allow the main shaft upwards to move back to initial position under the spring action.

The invention discloses a using method of an animal tissue sample crushing treatment workbench, which comprises the following steps:

s1: observing, detecting or analyzing the animal tissue sample on an operation table, and collecting the used sample into a storage rack;

s2: when the sample needs to be processed and scrapped, the buckles on the two sides of the upper cover of the pulverizer are opened, the upper cover, the driving assembly and the main shaft are lifted upwards through the handle, and the material to be processed in the storage rack is added into the sieve bowl;

s3: then the upper cover is closed, the main shaft sequentially penetrates through the mounting cylinder and the sieve bowl downwards, and a transmission pin on the lower side of the mounting plate is inserted into the upper end of the sieve bowl;

s4: starting a motor, enabling a cutter rest assembly and a sieve bowl to rotate in opposite directions so as to enable a plurality of crushing cutters to preliminarily shear and crush materials when the crushing cutters rotate, enabling a cutter bar and a push rod to interact with each other to push the materials from bottom to top and send the materials to a position between a mounting disc and the sieve bowl, enabling a grinding wall outside the mounting disc to interact with the inner wall of the sieve bowl to further crush the materials, discharging the crushed materials from sieve holes in the sieve bowl, and enabling the crushed materials to enter a hopper along a guide plate;

s5: and (4) when the materials in the sieve bowl are completely crushed, closing the motor, and pumping out the hopper to pour out the crushed materials for further treatment.

The invention has the beneficial effects that: the screen bowl of the crusher of the animal tissue sample crushing treatment workbench is bowl-shaped, and a large gap is reserved between the mounting plate and the inner wall of the screen bowl in an initial state, so that a driving element is prevented from being damaged during starting; along with the crushing of the materials, the materials in the hopper are increased to drive the main shaft to move downwards, so that the mounting disc is driven to move downwards, the gap between the mounting disc and the sieve bowl is reduced, and meanwhile, the rotating speed of the main shaft is increased, so that the crushing effect is further improved;

furthermore, the crushing cutter of the cutter rest assembly shears and crushes materials when rotating along with the main shaft, a pretreatment procedure is added, the grinding resistance of the inner wall of the mounting disc and the sieve bowl is reduced, the cutter bar and the push rod interact to push the materials upwards, the flowing of the materials in the sieve bowl is accelerated, and the materials are prevented from being accumulated at the bottom of the sieve bowl to influence the crushing and sieving effects.

Further, along with the crushing of material, the main shaft rotational speed increases, and the rotational speed of sieve bowl and knife rest assembly all increases for the height increase of throwing out the material when cutter arbor and push rod upwards push the material, further flow in the sieve bowl is accelerated, and then the screening of accelerating the material.

Further, sieve bowl and knife rest assembly, sieve bowl and mounting disc all rotate along opposite direction, and relative speed is higher, further improves crushing effect.

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, and 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 view of the overall structure of an animal tissue sample crushing treatment table according to the present invention;

FIG. 2 is a schematic view of a shredder in an embodiment of the animal tissue sample shredding station of the present invention;

FIG. 3 is a cross-sectional view of a morcellator configuration in an embodiment of an animal tissue sample comminution process station in accordance with the invention;

FIG. 4 is a schematic half-sectional view of a shredder configured in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of the upper cover and drive assembly of the morcellator in an embodiment of the animal tissue sample comminution process station of the present invention;

FIG. 6 is a sectional view taken along line B-B of FIG. 3;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 3;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 3;

FIG. 9 is a sectional view taken along line E-E in FIG. 3;

FIG. 10 is an enlarged view of FIG. 3 at F;

in the figure: 1. a storage rack; 2. a water supply pool; 3. a storage cabinet; 4. a storage box; 5. a pulverizer; 6. an auxiliary support; 10. an operation table; 51. an upper cover; 52. a handle; 53. buckling; 54. an outer cylinder; 61. a motor; 62. a motor base; 63. a drive gear; 71. mounting a plate; 72. a ring gear; 73. a planet wheel; 74. a planet carrier; 75. a sun gear; 76. a friction cone; 77. a main shaft; 78. a connecting rod; 81. screening a bowl; 82. grinding the wall; 83. mounting a disc; 84. a cutter bar; 85. a crushing knife; 86. a baffle plate; 87. a push rod; 91. a hopper; 92. a hopper frame; 93. clamping a plate; 94. a material guide plate; 95. a lower boss; 96. and (4) an upper boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of an animal tissue sample comminution treatment station of the invention, as shown in figures 1 to 10, comprises a station 10, a comminuter 5,

a storage box 4 is arranged below the operating table 10;

the crusher 5 is arranged on the operation table 10, the lower part of the crusher is positioned in the storage box 4, the crusher 5 comprises an outer cylinder 54, a sieve bowl 81, a main shaft 77, a driving component, a hopper 91 and a mounting plate 83,

the lower part of the outer cylinder 54 is positioned in the storage box 4, and the upper end is positioned above the table top of the operation table 10;

the main shaft 77 extends vertically and is rotatably and slidably mounted in the outer cylinder 54 up and down;

the sieve bowl 81 can be rotatably sleeved on the main shaft 77, and the upper end of the sieve bowl 81 can be rotatably supported against the upper end of the outer cylinder 54; the sieve bowl 81 is in a bowl shape with an upward opening, a plurality of sieve holes are formed in the inner wall of the sieve bowl, and the inner diameter of the sieve bowl 81 is gradually increased from bottom to top;

the mounting disc 83 is positioned in the sieve bowl 81 and has a gap with the inner wall of the sieve bowl 81, the mounting disc 83 is fixedly mounted on the main shaft 77, and the outer circumference is provided with a grinding wall 82 so as to interact with the sieve bowl 81 to grind materials when rotating along with the main shaft 77, and the gap between the mounting disc 83 and the inner wall of the sieve bowl 81 is gradually reduced when moving downwards along with the main shaft 77;

the hopper 91 is positioned below the sieve bowl 81 to receive materials discharged from the sieve bowl 81, and the hopper 91 is horizontally slidably mounted at the lower end of the main shaft 77 and drives the main shaft 77 to move downwards along with the accumulation of the materials;

the drive assembly drives the spindle 77 to rotate in a first direction and drives the screening bowl 81 to rotate in a second direction opposite the first direction, and increases the rotational speed of the spindle 77 as the spindle 77 moves downward, the first direction being either clockwise or counterclockwise.

In this embodiment, the shredder 5 further comprises an upper cover 51, the upper cover 51 is positioned above the outer cylinder 54, and a horizontally extending partition is arranged in the upper cover 51 and positioned above the main shaft 77; the driving component comprises a motor 61, a driving gear 63, a friction cone 76, a mounting plate 71 and a planetary gear train, wherein the motor 61 is fixedly mounted on the partition plate through a motor base 62, an output shaft of the motor 61 rotates along a first direction, and the driving gear 63 is coaxial with a main shaft 77, is fixedly mounted on the output shaft of the motor 61 and is mounted above the partition plate together with the motor 61; a plurality of friction cones 76 are uniformly distributed along the circumferential direction of the driving gear 63, each friction cone 76 penetrates through the partition plate, the upper end of each friction cone 76 is provided with a conical transmission gear, and the transmission gears enable the friction cones 76 to rotate along the second direction under the meshing transmission with the driving gear 63; the outer peripheral surface of each friction cone 76 below the partition is a friction surface, and the outer periphery of the upper end of the main shaft 77 is a friction surface so as to rotate along a first direction under the contact transmission with the friction surface of the friction cone 76; the diameter of the friction cone 76 gradually increases from top to bottom so that the friction transmission ratio increases and the rotation speed of the main shaft 77 increases when the main shaft 77 moves downward; the axis of each friction cone 76 is obliquely arranged, so that the side surfaces of the transmission gear and the friction surface close to one side of the driving gear 63 and the main shaft 77 are in a vertical state; the mounting plate 71 is rotatably sleeved on the main shaft 77 and is positioned below the partition plate, and a lower boss 95 is arranged on the main shaft 77 and positioned below the mounting plate 71 to axially support the mounting plate 71; the lower end of the mounting plate 71 is provided with a transmission pin matched with the sieve bowl 81, and the sieve bowl 81 is driven to rotate by the transmission pin after the upper cover 51 is buckled with the outer cylinder 54; the planetary gear train comprises a sun gear 75, planet gears 73, a planet carrier 74 and a gear ring 72, wherein an upper boss 96 is arranged on the mounting plate 71, the sun gear 75 is supported on the upper boss 96, can slide up and down and is synchronously and rotatably mounted on the main shaft 77 so as to rotate along with the main shaft 77 along a first direction, the planet carrier 74 is sleeved on the main shaft 77 and is fixed on the partition plate through a connecting rod 78 extending vertically, a plurality of planet gears 73 are rotatably mounted on the planet carrier 74, are uniformly distributed along the circumferential direction of the sun gear 75 and are meshed with the sun gear 75, the gear ring 72 is fixed on the mounting plate 71 and is positioned outside the planet gears 73 and is meshed with the planet gears 73, so that the gear ring 72 drives the mounting plate 71 to rotate along a second direction under the driving of the sun gear 75, and further drives the sieve bowl 81 to rotate along the second direction; a vertically extending spring is provided between the upper end of the main shaft 77 and the carrier 74, and the spring causes the upper end of the main shaft 77 to contact the upper end of the tapered surface of the friction cone 76 in an initial state and to be compressed and accumulated when the weight of the hopper 91 increases to move the main shaft 77 downward.

In the embodiment, the inner wall of the sieve bowl 81 is provided with a plurality of push rods 87 uniformly distributed along the circumferential direction of the main shaft 77, each push rod 87 spirally extends upwards from the inner end to the outer end thereof along the first direction, and the outer end of each push rod 87 is positioned at the lower side of the mounting disc 83; the pulverizer 5 further comprises a cutter assembly which is positioned in the sieve bowl 81 and below the mounting disc 83; the cutter component comprises an installation cylinder and a plurality of cutter groups which are uniformly distributed around the circumference of the installation cylinder, the lower end of the installation cylinder is supported against the bottom of the sieve bowl 81, and the installation cylinder can slide up and down and is installed on the main shaft 77 in a synchronous rotating manner so as to rotate along the first direction along with the main shaft 77; the cutter group comprises a plurality of horizontally extending crushing cutters 85 and a cutter bar 84 connected with the outer ends of the crushing cutters 85, the crushing cutters 85 are sequentially distributed at intervals from top to bottom, and the inner ends of the crushing cutters 85 are fixedly arranged on the mounting cylinder so as to shear materials in the sieve bowl 81 when rotating along with the mounting cylinder; the knife bar 84 extends from its upper end in a first direction helically downward to its lower end to interact with the push rod 87 when rotating with the mounting cylinder to push the material at the bottom of the screen bowl 81 upward and to feed the material between the mounting plate 83 and the inner wall of the screen bowl 81 for further crushing.

In this embodiment, a plurality of feeding gaps are arranged on the outer circumference of the mounting disc 83, and when the cutter bar 84 and the push rod 87 rotate relatively, the material is thrown above the mounting disc 83 from the feeding gaps; a material guiding notch is formed in the rear side of each feeding notch in the outer circumference of the mounting disc 83 along the rotation direction of the mounting disc 83, the material guiding notches are communicated with the feeding notches and gradually reduced along the direction far away from the feeding notches, so that materials entering the material guiding notches are gradually crushed when the mounting disc 83 rotates; a baffle 86 is arranged on one side of each feeding notch on the mounting plate 83, which is close to the material guiding notch, so as to guide the material thrown from the feeding notch to enter the material guiding notch.

In this embodiment, a material guide plate 94 is disposed in the outer barrel 54, and the material guide plate 94 is located below the sieve bowl 81 to receive the material sieved by the sieve bowl 81 and guide the material into the hopper 91.

In this embodiment, a handle 52 is provided outside the upper cover 51 to lift the upper cover 51, the drive assembly and the main shaft 77 upwardly by the handle 52 to facilitate the addition of material into the sieve bowl 81; the upper cover 51 is also provided with a buckle 53 outside, so that the upper cover 51 is buckled with the outer cylinder 54 after being assembled with the outer cylinder 54; when the upper cover 51 is engaged with the outer cylinder 54, the drive pin on the lower side of the mounting plate 71 is inserted into the upper end of the sieve bowl 81.

In the embodiment, the animal tissue sample crushing treatment workbench further comprises a storage rack 1, a water supply pool 2 and a storage cabinet 3, wherein the storage cabinet 3 is positioned below the operation platform 10 and supports the operation platform 10 together with the storage box 4; a plurality of storage grids are arranged in the storage rack 1 to store tissue samples to be treated, and the water feeding pool 2 storage racks 1 are all arranged on the operating table 10; the operation table 10 is further provided with an auxiliary stand 6 for holding the upper cover 51, the driving assembly and the main shaft 77 at a lifted height when the upper cover 51, the driving assembly and the main shaft 77 are lifted, and fixing the upper cover 51 to the operation table 10 after the upper cover 51 is engaged with the outer cylinder 54.

In this embodiment, a hopper frame 92 is disposed in the storage box 4, the hopper 91 is slidably mounted in the hopper frame 92 up and down and back and forth, a catch plate 93 is disposed on the hopper 91, the catch plate 93 is caught by the main shaft 77 to drive the main shaft 77 to move downward and separate from the main shaft 77 when the hopper 91 is drawn out, allowing the main shaft 77 to move upward and return to the initial position under the action of a spring.

When the animal tissue sample crushing treatment workbench is used, an animal tissue sample can be observed, detected or analyzed on the operation table 10, the used sample is collected into the storage rack 1, when the sample needs to be discarded, the buckles 53 on two sides of the upper cover 51 of the crusher 5 are opened, the upper cover 51, the driving assembly and the main shaft 77 are lifted upwards through the handle 52, and materials to be treated in the storage rack 1 are added into the sieve bowl 81; then the upper cover 51 is closed, the main shaft 77 sequentially penetrates through the mounting cylinder and the sieve bowl 81 downwards, and the transmission pin at the lower side of the mounting plate 71 is inserted into the upper end of the sieve bowl 81; the motor 61 is started, the motor 61 drives the driving gear 63 to rotate along a first direction, the driving gear 63 drives the friction cone 76 to rotate along a second direction through gear transmission, the friction cone 76 drives the main shaft 77 to rotate along the first direction through friction transmission, the main shaft 77 drives the sun gear 75, the mounting disc 83 and the cutter assembly to rotate along the first direction, the planet gear 73 drives the gear ring 72 and the mounting plate 71 to rotate along the second direction under the transmission of the sun gear 75, and the mounting plate 71 drives the sieve bowl 81 to rotate along the second direction. The cutter rest component and the sieve bowl 81 rotate in opposite directions to enable a plurality of crushing cutters 85 to primarily shear and crush materials when rotating, the cutter bar 84 interacts with the push rod 87 to push the materials from bottom to top and throw the materials from a feeding gap on the mounting disc 83, the baffle 86 guides the materials thrown from the feeding gap to enter a material guiding gap, the grinding wall 82 outside the mounting disc 83 interacts with the inner wall of the sieve bowl 81 when the mounting disc 83 rotates to further crush the materials, the crushed materials are discharged from sieve holes on the sieve bowl 81 and enter the hopper 91 along the material guiding plate 94, along with the increase of the materials in the hopper 91, the weight of the hopper 91 is increased to drive the main shaft 77 to move downwards, the main shaft 77 drives the mounting disc 83 to move downwards to enable the distance between the mounting disc 83 and the sieve bowl 81 to be reduced, and the contact position of the upper end of the main shaft 77 and the friction cone 76 is shifted downwards when the main shaft 77 descends, and the diameter of the friction cone 76 is increased downwards, so that the rotation speed of the main shaft 77 is increased by the frictional transmission of the friction cone 76, thereby improving the pulverizing efficiency of the remaining materials. When the materials in the sieve bowl 81 are completely crushed, the motor 61 is turned off, the material hopper 91 is drawn out to pour out the crushed materials for further processing, the main shaft 77 moves upwards to return to the initial position under the action of the spring and drives the mounting disc 83 to move upwards to return to the initial position.

The invention discloses a using method of an animal tissue sample crushing treatment workbench, which comprises the following steps:

s1: observing, detecting or analyzing the animal tissue sample on the operation table 10, and collecting the used sample into the storage rack 1;

s2: when the sample needs to be processed and scrapped, the buckles 53 on the two sides of the upper cover 51 of the pulverizer 5 are opened, the upper cover 51, the driving assembly and the main shaft 77 are lifted upwards through the handle 52, and the material to be processed in the storage rack 1 is added into the sieve bowl 81;

s3: then the upper cover 51 is closed, the main shaft 77 sequentially penetrates through the mounting cylinder and the sieve bowl 81 downwards, and the transmission pin at the lower side of the mounting plate 71 is inserted into the upper end of the sieve bowl 81;

s4: starting the motor 61, so that the tool rest assembly and the sieve bowl 81 rotate in opposite directions, and further the crushing knives 85 primarily shear and crush the materials when rotating, the knife bar 84 interacts with the push rod 87 to push the materials from bottom to top and send the materials to a position between the mounting disc 83 and the sieve bowl 81, the grinding wall 82 outside the mounting disc 83 interacts with the inner wall of the sieve bowl 81 to further crush the materials, and the crushed materials are discharged from sieve holes on the sieve bowl 81 and enter the hopper 91 along the material guide plate 94;

s5: and (3) when the materials in the sieve bowl 81 are completely crushed, closing the motor 61, and drawing out the hopper 91 to pour out the crushed materials for further treatment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.