CN110834359A - Accurate trompil of eggshell circle of cutting device for chick embryo experiments - Google Patents

Abstract

The invention provides an accurate opening and circle cutting device for an eggshell for chick embryo experiments, wherein a rotating assembly arranged in a rigid shell with a shock absorption foot pad drives a clamping assembly with an adjustable position and a cut eggshell to rotate, a shifting assembly with an elastic drill bit is arranged on a bottom plate of the rigid shell and is used for cutting the cut eggshell, a ball head handle arranged in a shifting screw hole on the right side of the rigid shell drives the shifting assembly and the elastic drill bit to move left and right when screwing in and screwing out so as to open and circle cut the cut eggshell, an absorption assembly with an umbrella-shaped suction port arranged on the left side of the rigid shell can absorb eggshell debris through a negative pressure fan and a filtering box body, a rotation speed knob, a drilling speed knob and a power switch arranged on a control panel on the right side of the rigid shell can adjust the rotation and: the device can accurately and precisely open the opening with the standard round hole and cut the round of the eggshell of the chick embryo experiment without damaging the inner membrane, and stably and safely realize the scientific research and application of the exposure of the allantoic membrane of the egg chick embryo.

Description

Accurate trompil of eggshell circle of cutting device for chick embryo experiments

Technical Field

The invention relates to an accurate opening and circle cutting device for an eggshell for chick embryo experiments.

Background

Since scientific researches such as opening holes, observation and dissection of eggshells of egg test products of birds, reptiles or poultry are required in more and more scientific researches in natural science researches such as medicine, zoology and bioengineering, the eggshells of the egg test products are ensured to be stable and safe in the operations, so as to obtain standardized egg test products for scientific researches and application experiments, for example, inoculation culture researches such as virus and vaccine or drug tests are carried out by using chick embryo allantoic membranes, therefore, the eggshells of egg test products of birds, reptiles or poultry are required to be subjected to precise and accurate opening hole cutting circle operations with standard round holes without damaging the inner membranes, all the openings are required to be consistent with the round holes and the size standard so as to ensure stable and safe realization of standardized egg chick embryo allantoic membrane exposure, the conventional opening experiment operations are all simple for experimenters to hold or place eggshells with one hand The egg test product has smooth appearance and can not be clamped when the eggshell is hard and the inner membrane and embryo tissue are very soft and tender, the eggshell can not be stably and safely clamped, the eggshell inner membrane and embryo tissue can not be controlled and protected well, each step of operation for preventing the eggshell from cracking requires careful and certain technical difficulty, the technical requirement on manual operation is higher, the perfect and consistent scientific and standardized nonstandard damage rate is difficult to achieve, the manual operation consumes great time and manpower, the scientific experimental operation is influenced to a certain extent, the operator is easy to be polluted, particularly, the tasks of the hole opening, observation and dissection operation of a large batch of egg test products can not be finished in a qualified way when a large batch of scientific research experiments are carried out, and the requirements on the quality of the large batch of scientific experiments and the more refined samples can not be met, the quality and safety of scientific experiment operation are influenced to a certain extent, the further development of related research is hindered, in order to overcome the difficulties, the difficult problems that the eggshells of egg test products of large batches of birds, reptiles or poultry in scientific research and experiments are subjected to opening, and the eggshells are not easy to realize standard, consistent, stable and safe opening and circle cutting in observation and dissection operations are solved fundamentally, so that the accurate opening and circle cutting operation with standard round holes is realized on the eggshells of the chick embryo experiment without damaging the inner membranes, the standard scientific research and application of the exposure of the allantoic membranes of the egg chick embryos meet the requirements of large batches of scientific experiments and increasingly refined sample quality, and the research and development of the accurate opening and circle cutting device for the eggshells for the chick embryo experiment are inevitable and urgent.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an accurate opening and rounding device for eggshells used in chick embryo experiments, which performs opening, observation and dissection operations on eggshells of large batches of egg test products of chick embryos during scientific research and experiments, wherein the eggshells used in chick embryo experiments are accurately and precisely opened with standard round holes without damaging inner membranes, so as to ensure the normal progress of experiments and the reliability of experimental data, and complete the scientific research and application of standardized exposure of allantoic membranes of egg chick embryos.

In order to achieve the above object, the technical solution of the present invention is to provide an egg shell precise opening and rounding device for chick embryo experiments, comprising a rotating assembly which is installed between the upper part of a right vertical plate and an upper arc side plate of a left vertical plate of a rigid shell and can adjust the vertical inclination, the rotating assembly connects an egg tray optical axis of a clamping assembly through a rotating optical axis of a rotating motor to adjust the space position of the clamping assembly and a cut egg shell fixed thereon and drive the rotation, a shift assembly and a plurality of shift limit columns are installed at appropriate positions in the middle of the inner part of a bottom plate of the shell, an elastic drill bit is installed on a cutting motor and a motor spindle on the shift assembly for rotationally cutting the cut egg shell positioned in the upper space thereof, the shift assembly and the elastic drill bit move left and right in a shift slot restricted by the shift limit columns and cannot move back and forth, a knob which is locked by a locking nut and screwed out is installed in a shift screw hole on the lower side, just can order about whole aversion subassembly and elastic drill when the knob handle precession screw-out and remove and fix and cut the eggshell when being most suitable position and cut the trompil, the lower level of the left side riser of rigid housing is installed and is absorbed the subassembly, the umbelliform suction inlet of absorption subassembly adsorbs the eggshell piece in the cutting at any time through installing negative-pressure air fan and the filtration box on the shell bottom plate of rigid housing, there is a control panel on rigid housing right side edge, the rotational speed knob of adjustment rotating assembly rotation speed is being installed in proper order on control panel upper portion, the drilling speed knob of adjustment elastic drill rotation speed and the switch of the whole device power switch-on disconnection of control, the lower surface symmetry of the shell bottom plate of rigid housing evenly is provided with shock pad and balances and stabilizes whole device.

The invention has the beneficial effects that: the device can accurately and precisely open the opening and circle cutting operation with the standard round hole without damaging the inner membrane on the eggshell of the chick embryo experiment, successfully complete the requirements of egg test products with different thicknesses and sizes, different incision sizes and different incision shapes, and stably and safely realize the scientific research and application of the exposure of the standardized egg chick embryo allantoic membrane.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

In the figure:

1. damping foot pad 2, left side vertical plate 3, fan base 4, negative pressure fan 5, exhaust hose 6, filter box 7 and suction port support

8. Stop bolt 9, filter material 10, drill rod flat groove 11, absorption assembly 12, suction hose 13, egg top retainer 14 and retainer cushion

15. Tensioning support rod 16, support rod spring 17, bowl buckling cushion 18, locking thread 19, handle boss 20, inclination adjusting handle 21 and screw hole vertical plate

22. Adjusting slit 23, arc side plate 24, round wide edge 25, flange bolt 26, adjusting screw 27, rotary guard 28 and fixing screw

29. Rotating bracket 30, rotating motor 31, shell top plate 32, rotating main shaft 33, shaft fixing screw 34, rotating optical shaft 35 and rotating bearing

36. Egg tray optical axis 37, inclined bedplate 38, tensioning flange 39, right side vertical plate 40, control panel 41, rotation speed knob 42, hinge support

43. Movable hinge 44, rotating assembly 45, drilling speed knob 46, egg support buckle bowl 47, cut egg shell 48, power switch 49 and clamping assembly

50. Strut hook 51, guard ring support 52, guard ring spring 53, air chamber inner membrane 54, round hole tangent line 55, cutting drill tip 56 and umbrella-shaped suction port

57. Grooved bit 58, drill shank circular hole 59, jacking spring 60, elastic bit 61, cutting drill shank 62, dead axle screw 63, coupling circular hole

64. Shifting assembly 65, ball handle 66, rigid shell 67, locking nut 68, shifting screw hole 69, spherical optical axis 70 and spherical inner groove

71. Shift riser 72, ball groove guard plate 73, cutting shield 74, cutting bracket 75, cutting motor 76, motor spindle 77, cutting bearing

78. The displacement stand 79, displacement limit posts 80, displacement slots 81, housing floor.

Detailed Description

The invention is described with reference to the accompanying drawings and examples.

As shown in the attached drawings, the invention provides an accurate opening and rounding device for an eggshell for chick embryo experiments, which comprises a rotating component 44 which is arranged between the upper part of a right vertical plate 39 of a rigid shell 66 and an upper arc side plate 23 of a left vertical plate 2 and can adjust the vertical inclination, the rotating component 44 is connected with an egg holder optical axis 36 of a clamping component 49 through a rotating optical axis 34 of a rotating motor 30 to adjust the space position of the clamping component 49 and a cut eggshell 47 fixed on the clamping component 49 and drive the clamping component to rotate, the rotating component 44 is a mechanical device which consists of a plurality of components and can stably incline the angle of the cut eggshell 47, a plane plate-shaped incline bedplate 37 with a movable hinge 43 is movably arranged on the upper plate wall of the right vertical plate 39 of the rigid shell 66 through a hinge bracket 42, a rotating bearing 35 is arranged at an opening in the middle of the incline 37 and is matched with the rotating optical axis 34 and the rotating, the upper end of the rotating optical axis 34 is provided with a blind hole and a shaft fixing screw 33, the blind hole and the shaft fixing screw 33 are sleeved on a rotating main shaft 32 of a rotating motor 30 and firmly fixed, the lower end of the rotating optical axis 34 is provided with a thin shaft with a smooth excircle, the thin shaft is inserted into the blind hole with an adjusting screw 26 arranged on the upper part of an egg holder optical axis 36 of a clamping assembly 49, the inserting depth of the thin shaft of the rotating optical axis 34 is adjusted to adjust the height of the whole clamping assembly 49 and a cut eggshell 47 so as to ensure that an elastic drill bit 60 arranged below the thin shaft can correctly select the cutting depth, the whole clamping assembly 49 and the cut eggshell 47 can drive the rotating optical axis 34 to rotate along with the rotating motor 30 after the adjusting screw 26 on the egg holder optical axis 36 is firmly fixed, the rotating motor 30 is fixedly arranged in the rotating shield 27 on the upper part of the rotating motor 30 of the inclined bedplate 37, the rotating motor 30, the width of the inclined bedplate 37 and the screw hole vertical plate 21 is equal to the inner diameter of the arc side plate 23 positioned at the upper part of the vertical plate 2 at the left side of the rigid shell 66, an inclination adjusting handle 20 with locking threads 18 and a handle boss 19 penetrates through an adjusting slit 22 reserved on the arc side plate 23 and is screwed in the internal threads of the screw hole vertical plate 21, when the position of the opening on the cut eggshell 47 needs to be changed, the inclination adjusting handle 20 is moved up and down to adjust the proper position on the arc side plate 23 and is screwed and fixed, and the inclined bedplate 37, the clamping assembly 49 and the cut eggshell 47 can be driven to adapt to the required angle and the opening position; a shifting assembly 64 and a plurality of shifting limit posts 79 are arranged at proper positions in the middle of the inner part of a bottom plate 81 of the shell, the shifting assembly 64 is a part which is formed by a plurality of elements made of rigid metal materials and can move and support the elastic drill bit 60, a cutting shield 73 with a cutting bearing 77 is arranged on a flat shifting platform 78, a cutting motor 75 and a motor spindle 76 connected with the elastic drill bit 60 are arranged in the cutting shield 73, the cutting motor 75 is fixedly arranged on the inner wall of the cutting shield 73 by a cutting bracket 74 and a fixing screw 28, a suction port bracket 7 and an umbrella-shaped suction port 56 of the absorption assembly 11 are arranged on the upper part of the side wall of the cutting shield 73, the relative positions of the umbrella-shaped suction port 56 and the elastic drill bit 60 are kept unchanged when the shifting assembly 64 moves, the shifting platform 78 is provided with a plurality of shifting slots 80 with transverse long and narrow shapes, the shifting slots 80 are sleeved on the shifting limit posts 79, ensures that the shifting stand 78 can only move moderately left and right but can not move randomly towards other directions, the shifting assembly 64 and the elastic drill 60 move left and right but can not move front and back in the shifting slot 80 restricted by the shifting limit column 79, the right side of the shifting stand 78 is connected with a shifting vertical plate 71 which is vertically arranged and is provided with a through hole, the upper side of the shifting vertical plate 71 is provided with a ball groove guard plate 72 with a spherical inner groove 70, a ball head handle 65 with a spherical optical axis 69 with a threaded head at the root is arranged in a displacement screw hole 68 formed at the corresponding position at the right side of the rigid shell 66, when the ball-end handle 65 is screwed in, screwed out and moves left and right in the displacement screw hole 68, the spherical optical axis 69 can drive the displacement stand 78, the cutting shield 73, the umbrella-shaped suction port 56 and the elastic drill bit 60 to move left and right under the joint constraint of the ball groove guard plate 72 and the displacement vertical plate 71, and the locking nut 67 is screwed to fix the ball-end handle 65 and the displacement assembly 64 after the position is determined; the cutting motor 75 and the motor main shaft 76 on the upper side of the shifting component 64 are provided with an elastic drill bit 60 for rotatably cutting the eggshell 47 to be cut which is positioned in the upper space of the shifting component 64, the elastic drill bit 60 is a special-shaped cutting drill bit which is made of rigid alloy material and is resistant to high-strength abrasion, the lower half part of the elastic drill bit 60 is a shaft-rod-shaped cutting drill handle 61, the circle center of the lower end surface of the cutting drill handle 61 is provided with a coupling round hole 63 with a blind hole and matched with the motor main shaft 76 of the cutting motor 75 which is arranged on the shifting component 64, the cutting drill handle 61 is fixed by a fixed shaft screw 62 and driven to rotate by the cutting motor 75, the circle center of the upper end surface of the cutting drill handle 61 is also provided with a drill handle round hole 58 with a blind hole with depth, the bottom of the drill handle round hole 58 is provided with a jacking spring 59 with proper hardness, and a stop, the upper half part of the elastic drill bit 60 is a specially manufactured grooved drill bit 57, the outer diameter of the grooved drill bit 57 is in sliding fit with the inner diameter of a drill handle round hole 58, a drill rod flat groove 10 is formed in the side edge of the grooved drill bit 57 and is in sliding fit with a stop bolt 8 installed on the side edge of a cutting drill handle 61, so that the grooved drill bit 57 can move up and down along with a jacking spring 59 in the drill handle round hole 58 and cannot rotate independently, a sharp cutting drill point 55 is arranged at the top of the grooved drill bit 57, an opening is cut on a cut eggshell 47 clamped in a clamping assembly 49 during rotation according to required round hole tangent lines 54 without damaging an air chamber inner membrane 53 of the cut eggshell 47, the cutting drill point 55 can be made into different fine diameters and heights according to different cutting seams and different egg thickness requirements, and the structure can ensure that a hard shell part of the eggshell can be cut rapidly when the eggshell of the, the requirements of egg test products with different thicknesses and sizes, different cutting seam sizes and different notch shapes can be fully met; the clamping component 49 is a mechanical device which consists of a plurality of components and is used for stably clamping and safely protecting a cut eggshell 47, the upper part of the clamping component 49 is provided with an egg support optical axis 36 with a smooth outer surface, the lower end of the egg support optical axis 36 is firmly connected with an egg support buckling bowl 46 in a pit-shaped downward manner, the inner side of the egg support buckling bowl 46 is covered with a thin and soft buckling bowl cushion 17 so as to stably place the cut eggshell 47, the shapes and the sizes of the egg support buckling bowl 46 and the buckling bowl cushion 17 can be different according to the shapes and the sizes of different egg types, a tensioning flange 38 with a flange bolt 25 is arranged on the egg support optical axis 36 in a sliding fit manner, the tensioning flange 38 is provided with a round wide edge 24 with small holes, an egg top protecting ring 13 with a protecting ring bracket 51 at one side edge is sleeved on the lower side of the placed cut eggshell 47, the egg top protecting ring 13 is made of a round ring which is made of a thin external sheet material and a soft lining material and is sleeved on the lower part of the cut eggshell, the liner of the egg top guard ring 13 is a soft guard ring cushion 14 for protecting the cut eggshell 47, an upper guard ring spring 52 is disconnected and installed in the middle of the shell of the egg top guard ring 13, so that the shell of the egg top guard ring 13 has elasticity for proper expansion and tightening, a plurality of guard ring brackets 51 which are outwards branched are installed on the shell of the egg top guard ring 13 at equal intervals, each guard ring bracket 51 is provided with a small hole for hooking a support rod hook 50 at the lower end of a tensioning support rod 15, a support rod hook 50 at the upper end of the tensioning support rod 15 is hooked in a small hole of a round wide edge 24 of a tensioning flange 38, a support rod spring 16 is arranged in the middle of the tensioning support rod 15, after the tensioning flange 38 is fixed by a flange bolt 25, the tensioning guard ring bracket 51 keeps the egg top guard ring 13 to be safely, stably, firmly and reliably fixed in the whole clamping assembly 49, a deep blind hole is arranged in the top end of the egg support optical axis 36 to, the adjusting screw 26 on the egg holder optical axis 36 is used for adjusting the thin axis insertion depth of the rotating optical axis 34, so that the heights of the whole clamping component 49 and the cut eggshell 47 can be adjusted to ensure that the elastic drill 60 below the whole clamping component 49 and the cut eggshell 47 can be correctly selected for cutting depth, and after the adjusting screw 26 on the egg holder optical axis 36 is firmly fixed, the whole clamping component 49 and the cut eggshell 47 can rotate along with the rotating optical axis 34 driven by the rotating motor 30, so that the opening operation and scientific research of the fine cut of the eggshell of the egg type test product without damaging the inner membrane can be conveniently carried out; an absorption component 11 is arranged below a left side vertical plate 2 of a rigid shell 66, the absorption component 11 is a special device which is composed of a plurality of components and used for absorbing eggshell debris when eggshells are accurately opened and cut round and safely exhausting after filtration, the main component is an umbrella-shaped suction port 56 which is communicated with a suction hose 12 and is provided with a horn-shaped air inlet, the umbrella-shaped suction port 56 is fixed through a suction port bracket 7 arranged on the side wall of a displacement stand 78 of a displacement component 64 and keeps the opening of the umbrella-shaped suction port 56 close to the elastic drill bit 60 and the position of a round hole tangent line 54 of a cut eggshell 47, the suction hose 12 is connected to a filtration box body 6 which is arranged at the lower part of the left side vertical plate 2 of the rigid shell 66 and is filled with filtration materials 9, an exhaust hose 5 at the lower part of the filtration box body 6 is connected to a negative pressure fan 4 arranged on a negative pressure fan base 3 fixed on the rigid shell 66 Eggshell debris generated by the holes is filtered and then is safely discharged; the rigid shell 66 is a protective cover body which is made of firm corrosion-resistant rigid material and can support functional components, the rigid shell is a special-shaped box body structure with a certain thickness and a circular arc-shaped upper part at the lower part and a square, the right side of the rigid shell 66 is provided with a flat right vertical plate 39, the inner plate wall at the upper side of the right vertical plate 39 is movably provided with an inclined bedplate 37 of a rotating assembly 44 through a hinge support 42, the lower part at the left side of the rigid shell 66 is provided with a flat left vertical plate 2, the upper side of the left vertical plate 2 is connected with a circular arc side plate 23 in a seamless way, the radian of the circular arc side plate 23 is a rigid semicircular plate which is provided with an up-down vertical adjusting slit 22 and takes the width of the inclined bedplate 37 and the upper screw hole vertical plate 21 on the rotating assembly 44 as the radius by taking the hinge support 42 at the inner side of the right vertical plate 39 as the center, the inner part of, the negative pressure fan 4 at the lower end of the absorption assembly 11 is fixedly arranged on the inner edge of the side, close to the left vertical plate 2, of the shell bottom plate 81 of the rigid shell 66 through the fan base 3, the lower edge of the rigid shell 66 is a flat shell bottom plate 81, the lower edge of the right vertical plate 39 of the rigid shell 66 is provided with a displacement screw hole 68, a ball handle 65 which can be locked and screwed in and out through a locking nut 67 is arranged in the rigid shell, the right edge of the rigid shell 66 is provided with a control panel 40, the top of the rigid shell is a flat shell top plate 31, the right side is fixedly connected with the right vertical plate 39, the left side is fixedly connected with the arc side plate 23, the right edge of the rigid shell 66 is provided with the control panel 40, the upper part of the control panel 40 is sequentially provided with a rotation speed knob 41 for adjusting the rotation speed of the rotating assembly 44, a drilling speed knob 45 for, the damping foot pads 1 are symmetrically and uniformly arranged on the lower surface of the shell bottom plate 81 of the rigid shell 66, so that the whole device can be balanced and stabilized, and the embryo allantois membrane of the egg test product for the egg embryo experiment, which is standardized and can be stably and safely obtained in the process of opening the fine cut without damaging the inner membrane of the eggshell of the egg test product, is subjected to exposure research and application.

Example (b):

when in use, firstly, egg test products for chick embryo experiments are prepared, the filtering materials 9 of the filtering box body 6 are checked and replaced, circular hole tangent lines 54 needing hole opening operation are drawn on the egg test products, proper egg support buckle bowls 46 and egg top protective rings 13 are selected according to the variety and the shape and the size of the used egg test products and are arranged on the holding assembly, thin and soft buckle bowl cushions 17 are covered on the inner sides of the egg support buckle bowls 46 to firmly place the cut eggshells 47, the prepared cut eggshells 47 are not placed in the egg support buckle bowls 46, protective ring springs 52 of the egg top protective rings 13 are pulled open, the lower parts of the cut eggshells 47 are placed in the egg top protective rings 13, small holes on each protective ring bracket 51 on the shells of the egg top protective rings 13 are sleeved on supporting rod hooks 50 at the lower ends of the tensioning supporting rods 15, the supporting rod hooks 50 at the upper ends of the tensioning supporting rods 15 are hooked in small holes of the circular wide edges 24 of the tensioning flanges 38, the supporting rod spring 16 in the middle of the supporting rod 15 is tensioned, and after the tensioning flange 38 is fixed by the flange bolt 25, the retainer ring bracket 51 is tensioned to keep the egg top retainer ring 13 to be safely, stably, firmly and reliably fixed in the whole clamping assembly 49 by the cut egg shell 47; the rotating assembly 44 is connected with the egg tray optical axis 36 of the clamping assembly 49 through the rotating optical axis 34 of the rotating motor 30 to adjust the spatial position of the clamping assembly 49 and the cut eggshell 47 fixed thereon, a rotary bearing 35 is arranged at an opening in the middle of a plane plate-shaped movable inclined bedplate 37 with a movable hinge 43 movably arranged on the upper plate wall of a right vertical plate 39 of a rigid shell 66 through a hinge bracket 42, a rotary optical shaft 34 and a rotary motor 30 are connected in a matching way, the lower end of the rotary optical shaft 34 is a thin shaft inserted into an egg tray optical shaft 36 of a clamping assembly 49, the fine axis insertion depth of the rotating optical axis 34 is adjusted according to the experimental requirements, the height of the whole clamping assembly 49 and the shell 47 to be cut is determined to ensure that the elastic drill 60 below the clamping assembly can accurately determine the cutting depth, then the adjusting screw 26 on the egg support optical axis 36 is fixed, and the whole clamping assembly 49 and the cut eggshell 47 can drive the rotating optical axis 34 to rotate along with the rotating motor 30; then the inclined adjusting handle 20 is adjusted to move up and down according to the position of the circular hole tangent line 54 of the cut eggshell 47, and the inclined adjusting handle is screwed and fixed at the proper position on the arc side plate 23, so that the inclined bedplate 37, the clamping assembly 49 and the cut eggshell 47 can be driven to just adapt to the angle and the opening position required by the circular hole tangent line 54; when the ball-end handle 65 on the right side of the rigid shell 66 is screwed in, screwed out and moves left and right in the displacement screw hole 68, the spherical optical axis 69 drives the displacement stand 78, the cutting shield 73, the umbrella-shaped suction port 56 and the elastic drill bit 60 to move left and right under the joint constraint of the ball groove guard plate 72 and the displacement vertical plate 71, the locking nut 67 is screwed after the position is determined to fix the ball-end handle 65 and the displacement assembly 64, so that the cutting motor 75 on the displacement assembly 64 and the cutting drill point 55 of the elastic drill bit 60 arranged on the motor spindle 76 are right at the position of the tangent line 54 of the circular hole to rotationally cut the cut eggshell 47 in the upper space, and the position of the opening of the umbrella-shaped suction port 56 of the absorption assembly 11 close to the elastic drill bit 60 and the tangent line 54 of; the power switch 48 of the control panel 40 is opened, the power of the whole device is switched on, the rotation speed knob 41 and the drilling speed knob 45 are adjusted according to the experiment requirement to adjust the rotation speed of the rotating component 44 and the rotation speed of the elastic drill bit 60 respectively, the rotating component 44 is connected with the egg holder optical axis 36 of the clamping component 49 through the rotating optical axis 34 of the rotating motor 30 to adjust the space position of the clamping component 49 and the cut eggshell 47 fixed thereon and drive the clamping component 49 and the cut eggshell 47 to rotate, the elastic drill bit 60 is used for rotatably cutting the cut eggshell 47 positioned in the upper space of the elastic drill bit, the whole shifting component 64 and the elastic drill bit 60 are driven to move left and right at the most suitable position when the ball head handle 65 of the shifting component 64 is screwed in and out, the umbrella-shaped suction port 56 of the absorption component 11 sucks eggshell debris in the hole cutting at any time through the fan 4 and the filter box, after the operation is finished, the guard ring spring 52 of the egg top guard ring 13 is pulled open, the lower part of the cut egg shell 47 which has finished the hole opening operation is taken out of the egg top guard ring 13, the upper part is also withdrawn from the egg supporting buckle bowl 46, the hole opening operation can be continuously carried out by repeating the operation, and the power supply of the device is closed after all the hole opening operation is finished; the device can carry out accurate and precise opening and circle cutting operation with standard round holes on large batches of egg test products for chick embryo experiments without damaging the inner membranes, fully meets the requirements of egg test products with different thicknesses and sizes, different incision sizes and different incision shapes, and stably and safely realizes the scientific research and application of exposure of standardized egg chick embryo allantoic membranes.

Claims (7)

1. The utility model provides an accurate trompil of eggshell circle of cutting device for chick embryo experiments, characterized by: comprises a rotating component (44) which is arranged between the upper part of a right vertical plate (39) of a rigid shell (66) and an upper arc side plate (23) of a left vertical plate (2) and can adjust the vertical inclination, the rotating component (44) is connected with an egg tray optical axis (36) of a clamping component (49) through a rotating optical axis (34) of a rotating motor (30) to adjust the space position of the clamping component (49) and a cut eggshell (47) fixed on the clamping component (49) and drive the clamping component to rotate, a shifting component (64) and a plurality of shifting limit columns (79) are arranged at a proper position in the middle of the inner part of a shell bottom plate (81), an elastic drill bit (60) is arranged on a cutting motor (75) and a motor main shaft (76) above the shifting component (64) and is used for rotatably cutting the cut eggshell (47) positioned in the upper space of the shifting component, the shifting component (64) and the elastic drill bit (60) move left and right and can not move, a ball head handle (65) which is locked and screwed in and out through a locking nut (67) is arranged in a displacement screw hole (68) below a right vertical plate (39) of a rigid shell (66), when the ball head handle (65) is screwed in and out, the whole displacement component (64) and an elastic drill bit (60) can be driven to move left and right and are fixed on the most suitable position for cutting and opening the cut eggshell (47), an absorption component (11) is arranged below a left vertical plate (2) of the rigid shell (66), an umbrella-shaped suction port (56) of the absorption component (11) adsorbs eggshell scraps in cutting at any time through a negative pressure fan (4) and a filtering box body (6) which are arranged on a shell bottom plate (81) of the rigid shell (66), a control panel (40) is arranged on the right side of the rigid shell (66), and a rotation speed knob (41) for adjusting the rotation speed of a rotating component (44) and a rotation speed knob (41) are sequentially arranged on the upper part of, A drilling speed knob (45) for adjusting the rotating speed of the elastic drill bit (60) and a power switch (48) for controlling the on-off of the power supply of the whole device, and shock absorption foot pads (1) are symmetrically and uniformly arranged on the lower surface of a shell bottom plate (81) of the rigid shell (66) to balance and stabilize the whole device.

2. The precise opening and rounding device for the eggshell of the chick embryo according to the claim 1, which is characterized in that: the rotary component (44) is a mechanical device which consists of a plurality of components and is used for stably inclining the angle of the cut eggshell (47), a plane plate-shaped movable inclined bedplate (37) with a movable hinge (43) is movably arranged on the upper plate wall of a right vertical plate (39) of the rigid shell (66) through a hinge bracket (42), a rotary bearing (35) is arranged at an opening in the middle of the inclined bedplate (37) and is connected with a rotary optical shaft (34) and a rotary motor (30) in a matching way, a blind hole and a shaft fixing screw (33) are arranged at the upper end of the rotary optical shaft (34), the rotary optical shaft (34) is sleeved on a rotary main shaft (32) of the rotary motor (30) and is firmly fixed, a thin shaft with a smooth outer circle is arranged at the lower end of the rotary optical shaft (34), the thin shaft is inserted into the blind hole which is arranged at the upper part of an egg support optical shaft (36) of the clamping component (49) and is provided with an adjusting screw (26), and the insertion depth of the (47) The height of the inclined table plate (37) is ensured to ensure that an elastic drill bit (60) below the inclined table plate can correctly select cutting depth, after an adjusting screw (26) on an egg holder optical axis (36) is firmly fixed, the whole clamping assembly (49) and a cut egg shell (47) can drive a rotating optical axis (34) to rotate along with a rotating motor (30), the upper part of the rotating motor (30) fixed on the inclined table plate (37) is provided with a rotating shield (27), the rotating motor (30) is fixedly arranged in the rotating shield (27) through a rotating bracket (29) and a fixing screw (28), the other end of the inclined table plate (37) is provided with a vertical screw hole vertical plate (21) with an internal thread hole, the width of the inclined table plate (37) and the screw hole vertical plate (21) is equal to the internal diameter of an arc side plate (23) positioned on the upper part of a left side vertical plate (2) of a rigid shell (66), and an inclined adjusting handle (20) with a locking thread (18) (22) The inclined bedplate (37) and the clamping assembly (49) can be driven to adapt to the required angle and the required hole opening position by screwing the inclined bedplate (37) and the clamping assembly (49) and the cut eggshell (47) when the hole opening position on the cut eggshell (47) needs to be changed and moving up and down to adjust the proper position of the inclined handle (20) on the arc side plate (23) and screwing and fixing the inclined handle.

3. The precise opening and rounding device for the eggshell of the chick embryo according to the claim 1, which is characterized in that: the egg holder is characterized in that the holding component (49) is a mechanical device which consists of a plurality of components and is used for stably holding and safely protecting a cut eggshell (47), an egg holder optical axis (36) with a smooth outer surface is arranged at the upper part of the holding component (49), a nest-shaped downward egg holder buckling bowl (46) is firmly connected with the lower end of the egg holder optical axis (36), a thin and soft buckling bowl cushion (17) is covered at the inner side of the egg holder buckling bowl (46) to stably place the cut eggshell (47), the shapes and the sizes of the egg holder buckling bowl (46) and the buckling bowl cushion (17) can be different according to the shapes and the sizes of different egg types, a tensioning flange (38) with a flange bolt (25) is arranged on the egg holder optical axis (36) in a sliding fit mode, the tensioning flange (38) is provided with a round wide edge (24) with a small hole, an egg top (13) with a side edge support (51) is sleeved at the lower side of the well placed cut eggshell (47), the egg top protective ring (13) is a circular sleeve belt which is made by compounding an external flaky rigid material and an inner lining soft material and has a large upper part and a small lower part and a circular shape and can be sleeved at the lower part of a cut eggshell (47), the inner lining of the egg top protective ring (13) is a soft protective ring cushion (14) for protecting the cut eggshell (47), an upper protective ring spring (52) is disconnected and installed in the middle of the outer shell of the egg top protective ring (13) to ensure that the outer shell of the egg top protective ring (13) has proper expansion and tightening elasticity, a plurality of protective ring brackets (51) which are outwards paid out are installed on the outer shell of the egg top protective ring (13) at equal intervals, each protective ring bracket (51) is provided with a small hole for sleeving and hooking a supporting rod hook (50) at the lower end of a tensioning supporting rod (15), the supporting rod hook (50) at the upper end of the tensioning supporting rod (15) is sleeved and hooked in the small, after the tensioning flange (38) is fixed by the flange bolt (25), the retainer support (51) is tensioned to keep the egg top retainer (13) to be safely, stably, firmly and reliably fixed in the whole clamping assembly (49), a deep blind hole is arranged inside the top end of the egg holder optical axis (36) to be matched with a thin shaft on a rotating optical axis (34) on an inclined bedplate (37) of the rotating assembly (44) to be inserted and installed, an adjusting screw (26) is arranged on the egg holder optical axis (36) to adjust the thin shaft insertion depth of the rotating optical axis (34), the heights of the whole clamping assembly (49) and the cut egg shell (47) can be adjusted to ensure that an elastic drill bit (60) below the clamping assembly can correctly select the cutting depth, and the whole clamping assembly (49) and the cut egg shell (47) can rotate along with the rotating optical axis (34) driven by the rotating motor (30) after the adjusting screw (26) on the egg holder optical axis (36) is fixed firmly, so as to carry out the opening operation and scientific research on the eggshell of the egg test product without damaging the micro incision of the inner membrane.

4. The precise opening and rounding device for the eggshell of the chick embryo according to the claim 1, which is characterized in that: the absorption assembly (11) is a special device which is composed of a plurality of components and used for absorbing eggshell debris when eggshells are accurately punched and cut round and safely exhausting air after filtration, the main component is an umbrella-shaped suction port (56) which is communicated with a suction hose (12) and is provided with a horn-shaped air inlet, the umbrella-shaped suction port (56) is fixed through a suction port bracket (7) arranged on the side wall of a displacement stand (78) of a displacement assembly (64) and keeps the opening of the umbrella-shaped suction port (56) close to the positions of an elastic drill bit (60) and a round hole tangent line (54) of a cut eggshell (47), the suction hose (12) is connected to a filtration box body (6) which is arranged at the lower part of a left vertical plate (2) of a rigid shell (66) and is filled with filtration materials (9), an exhaust hose (5) at the lower part of the filtration box body (6) is connected to a negative pressure fan (4) arranged, the eggshell debris generated by drilling can be sucked at any time and safely discharged after being filtered.

5. The precise opening and rounding device for the eggshell of the chick embryo according to the claim 1, which is characterized in that: the elastic drill bit (60) is a special-shaped cutting drill bit which is made of rigid alloy materials and resists high-strength abrasion, the lower half part of the elastic drill bit (60) is a shaft-shaped cutting drill handle (61), a shaft coupling round hole (63) with a blind hole is formed in the circle center of the lower end face of the cutting drill handle (61) and is matched with a motor spindle (76) of a cutting motor (75) arranged on a shifting assembly (64), the cutting drill handle (61) is fixed by a fixed shaft screw (62) and is driven to rotate by the cutting motor (75), a drill handle round hole (58) with a deep blind hole is also formed in the circle center of the upper end face of the cutting drill handle (61), a jacking spring (59) with proper hardness is arranged at the bottom of the drill handle round hole (58), a stop bolt (8) capable of adjusting the length penetrating into the drill handle round hole (58) is arranged in a threaded hole in the upper side edge of the drill handle round hole (58), the upper half part of the elastic drill bit (60, the outer diameter of the grooved drill bit (57) is in sliding fit with the inner diameter of the drill handle round hole (58), the side edge of the grooved drill bit (57) is provided with a drill rod flat groove (10) which is in sliding fit with a stop bolt (8) arranged on the side edge of the cutting drill handle (61) to ensure that the grooved drill bit (57) can not independently rotate along with the vertical movement of a jacking spring (59) in the drill handle round hole (58), the top of the grooved drill bit (57) is provided with a sharp cutting drill point (55), when the grooved drill bit rotates, an opening is cut on a cut eggshell (47) clamped in the clamping assembly (49) according to a required round hole tangent line (54) without damaging an air chamber inner membrane (53) of the cut eggshell (47), and the cutting drill point (55) can have different diameters and heights according to the thickness requirements of different cuts and different eggs.

6. The precise opening and circle-cutting device for the eggshell of the chick embryo experiment as claimed in claim 1, which is characterized in that: the displacement assembly (64) is a component which is formed by a plurality of elements made of rigid metal materials and can move and support the elastic drill bit (60), a cutting shield (73) with a cutting bearing (77) is arranged on a flat displacement stand (78), a cutting motor (75) and a motor spindle (76) connected with the elastic drill bit (60) are arranged in the cutting shield (73), the cutting motor (75) is fixedly arranged on the inner wall of the cutting shield (73) by a cutting bracket (74) and a fixing screw (28), a suction port bracket (7) and an umbrella-shaped suction port (56) of an absorption assembly (11) are arranged on the upper part of the side wall of the cutting shield (73), the relative positions of the umbrella-shaped suction port (56) and the elastic drill bit (60) are kept unchanged when the displacement assembly (64) moves, the displacement stand (78) is provided with a plurality of transverse long and narrow displacement slots (80), the shifting slot (80) is sleeved on a shifting limit column (79) fixed on the rigid shell (66) to ensure that the shifting stand (78) can only move moderately left and right but can not move randomly in other directions, the right side of the shifting stand (78) is connected with a vertically arranged shifting vertical plate (71) with a through hole, a ball groove guard plate (72) with a spherical inner groove (70) is arranged on the shifting vertical plate (71), a ball head handle (65) with a spherical optical axis (69) with a threaded head at the root is arranged in a shifting screw hole (68) formed in the corresponding position on the right side of the rigid shell (66), when the ball head handle (65) is screwed in the shifting screw hole (68) to move left and right, the spherical optical axis (69) can drive the shifting stand (78), the cutting shield (73), the umbrella-shaped drill bit (56) and the elastic drill bit (60) to move left and right under the joint constraint of the ball groove guard plate (72) and the shifting vertical plate (71, after the position is determined, a locking nut (67) is screwed down to fix the ball handle (65) and the displacement assembly (64).

7. The precise opening and rounding device for the eggshell of the chick embryo according to the claim 1, which is characterized in that: the rigid shell (66) is a protective cover body which is made of firm corrosion-resistant rigid material and can support functional components, the rigid shell is a special-shaped box body structure with a certain thickness and a circular arc-shaped upper part at the lower part, the right side of the rigid shell (66) is provided with a flat right vertical plate (39), an inclined bedplate (37) of a rotating assembly (44) is movably arranged on the inner wall of the upper edge of the right vertical plate (39) through a hinge bracket (42), the lower part of the left side of the rigid shell (66) is provided with a flat left vertical plate (2), the upper edge of the left vertical plate (2) is connected with an arc side plate (23) in a seamless way, the radian of the arc side plate (23) is a rigid semicircular plate which is provided with an up-down vertical adjusting slit (22) and takes the hinge bracket (42) inside the upper edge of the right vertical plate (39) as the circle center, the inclined bedplate (37), the inner part of the circular arc side plate (23) is close to the screw hole vertical plate (21) of the rotating component (44), the inner side wall of the lower part of the left side vertical plate (2) of the rigid shell (66) is provided with an absorbing component (11), a negative pressure fan (4) at the lower end of the absorbing component (11) is fixedly arranged on the inner edge of one side of the shell bottom plate (81) of the rigid shell (66) close to the left side vertical plate (2) through a fan base (3), the lower part of the rigid shell (66) is provided with a flat shell bottom plate (81), the lower part of the right side vertical plate (39) of the rigid shell (66) is provided with a displacement screw hole (68), the inner part is provided with a ball handle (65) which can be locked and screwed out through a locking nut (67), the right side edge of the rigid shell (66) is provided with a control panel (40), the top of the rigid shell is provided with a flat, the left side is fixedly connected with the arc-shaped side plate (23), the damping foot pads (1) are symmetrically and uniformly arranged on the lower surface of the shell bottom plate (81) of the rigid shell (66), the whole device can be balanced and stabilized, and the embryo allantois membrane exposure scientific research and application of the standardized egg embryo experimental product for the chicken embryo experiment can be stably and safely obtained in the process of opening the fine cut which does not damage the inner membrane of the eggshell of the egg experimental product.

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