CN108058996B - Fixed carousel suction head device - Google Patents
Fixed carousel suction head device Download PDFInfo
- Publication number
- CN108058996B CN108058996B CN201711477638.4A CN201711477638A CN108058996B CN 108058996 B CN108058996 B CN 108058996B CN 201711477638 A CN201711477638 A CN 201711477638A CN 108058996 B CN108058996 B CN 108058996B
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- hole
- turntable
- chassis
- base
- suction
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 239000010902 straw Substances 0.000 claims description 36
- 238000007710 freezing Methods 0.000 claims description 23
- 230000008014 freezing Effects 0.000 claims description 23
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241001170716 Garra gotyla Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000012472 biological sample Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
- B65G47/06—Devices for feeding articles or materials to conveyors for feeding articles from a single group of articles arranged in orderly pattern, e.g. workpieces in magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Specific Conveyance Elements (AREA)
Abstract
A stationary turret suction head assembly, comprising: the base comprises a body, a top cover and a chassis; the top cover is provided with a central through hole and an extraction through hole; a notch is arranged on one side of the chassis, and a fixed counter bore is arranged in the center of the upper end face of the notch; the holding turntable is provided with a central through hole, the outer ring of the holding turntable is provided with a plurality of inserting through holes along the circumferential direction, and the outer edge of the upper port of each inserting through hole is provided with an annular limiting groove; the containing turntable is arranged in the base body, and the inserting through hole corresponds to the top cover extracting through hole; the rotating shaft is inserted into the central through hole of the containing turntable, the lower end of the rotating shaft is fixed on the chassis, and the upper end of the rotating shaft extends out of the top cover; the upper part and the lower part of the rotating shaft are connected with the containing turntable so as to drive the containing turntable to rotate; the output shaft of the motor is connected with the upper end of the rotating shaft; the turntable clutch mechanism is arranged at the extraction through hole of the top cover of the base; the suction pipe assembly is arranged at the notch of the base chassis and is positioned below the through hole for inserting the containing turntable; the scanning mechanism is arranged at the notch of the base chassis; and the motor and the scanning mechanism are electrically connected with the controller.
Description
Technical Field
The invention belongs to the technical field of code scanning of frozen storage pipes, and particularly relates to a fixed rotary table suction head device.
Background
At present, the automatic operation of the access of the biological sample freezing tube is realized, and the vacuum suction is a mode which is frequently adopted when the tube is taken. Because each batch needs to take a plurality of freezing storage pipes, and the quantity is variable, if the freezing storage pipes are singly sucked, the efficiency is lower; if a plurality of straws are required to be sucked at one time, the commonly used straws with fixed length can only suck a fixed number of frozen storage tubes at one time, and cannot meet the requirement of variable number of the frozen storage tubes for each batch. Meanwhile, in order to ensure activity, biological samples are often stored in a deep low temperature environment; when taking the tube, the sample is exposed to room temperature environment, and the biological sample is damaged by the severe change of the temperature.
The above common operation method for accessing the freezing storage tube cannot realize accessing the freezing storage tube according to the requirement of a user, has inconvenience, and has lower access efficiency of the freezing storage tube and potential safety hazard.
Disclosure of Invention
The invention aims to design a fixed rotary table suction head device, solves the problem of automatic integrated storage and retrieval of frozen storage pipes, and simultaneously realizes the cold insulation of the frozen storage pipes in the transfer process, thereby not only improving the storage and retrieval quantity of the frozen storage pipes, but also reducing the risk of exposing the frozen storage pipes in the room temperature environment, improving the storage and retrieval efficiency of the frozen storage pipes and reducing the potential safety hazard.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
a stationary turret suction head assembly, comprising: the base is circular and comprises a body with a cavity, a top cover and a chassis on the body; the top cover is provided with a central through hole, and one side of the top cover is provided with an extraction through hole for extracting the freezing storage tube; an annular groove is formed in the outer ring of the upper end face of the chassis, and a notch communicated with the annular groove is formed in one side of the chassis; a fixed counter bore is arranged in the center of the upper end surface of the chassis; the storage turntable is used for storing the frozen storage pipes, a central through hole is formed in the storage turntable, a plurality of through holes which penetrate up and down are formed in the outer ring of the storage turntable along the circumferential direction and are used for inserting the frozen storage pipes, and a circle of stop parts are convexly arranged on the inner wall of an upper port of each through hole; an annular limiting groove is formed in the upper end face of the containing turntable and corresponds to the outer edge of the upper port of each inserting through hole; the containing turntable is arranged in the base body, and the inserting through hole corresponds to the annular groove of the base chassis; an annular cavity is arranged between the central through hole and the inserting through hole in the accommodating turntable, and a cooling medium filling port is arranged on the base top cover corresponding to the cavity; the through holes in which the accommodating turntables are inserted correspond to the top cover extraction through holes; the rotating shaft is inserted into the central through hole of the containing turntable, the lower end of the rotating shaft is fixed on a fixed counter bore in the center of the upper end face of the chassis through a bearing, and the upper end of the rotating shaft extends out of the central through hole of the containing turntable and the central through hole of the top cover and is sleeved with a bearing; the upper part and the lower part of the rotating shaft are connected with the containing turntable so as to drive the containing turntable to rotate; the output shaft of the motor is connected with the upper end of the rotating shaft; the turntable clutch mechanism is arranged at the extraction through hole of the base top cover; the suction pipe assembly is arranged at the notch of the base chassis and is positioned below the through hole for inserting the containing turntable; the scanning mechanism is arranged at the base chassis notch; and the motor and the scanning mechanism are electrically connected with the controller.
Preferably, the turntable clutch suction pipe mechanism comprises a fixed pipe, wherein the lower end of the fixed pipe is provided with an opening, and the fixed pipe is vertically arranged at the position of the extraction through hole of the top cover of the base; the sleeve is arranged at the upper part in the fixed pipe, and the upper end of the sleeve is connected to the inner top of the fixed pipe; the electromagnet is in a column structure and is arranged in the sleeve; the telescopic suction pipe is arranged in the fixed pipe and is positioned below the electromagnet; the upper part of the telescopic straw is provided with a step along the circumferential direction, and is sleeved with a spring, and the upper end and the lower end of the spring respectively lean against the electromagnet and the telescopic straw step; the side wall of the upper part of the telescopic straw is provided with a through hole, and an air pipe joint for air inflation or air suction is inserted in the through hole; the outer diameter of the lower end of the telescopic straw is matched with the annular limiting groove of the upper end face of the containing turntable, which corresponds to the outer edge of the upper port of each inserting through hole, and a sealing ring is arranged in the lower port of the telescopic straw.
Preferably, a limiting sliding pin is convexly arranged in the middle of the outer wall of the telescopic suction pipe, and a strip-shaped limiting hole for inserting the limiting sliding pin is correspondingly arranged on the side wall of the fixed pipe.
Preferably, a sealing ring is further arranged below the through hole in the inner side wall of the telescopic straw.
Preferably, the straw assembly comprises: the chute seat, the U-shaped body is arranged at the notch of the base chassis and is positioned below the through hole for inserting the containing turntable; the opening of the U-shaped body corresponds to the diameter of the freezing storage tube, and sliding grooves are formed in the inner walls of the two sides of the opening of the U-shaped body along the length direction; the sleeve fixing seat is arranged on the bottom surface of the chute seat and comprises a bottom plate with a through hole and a pipe body arranged on the bottom plate; the upper part of the straw sleeve is inserted into the sleeve fixing seat, and a strip-shaped guide hole is arranged in the height direction of the side wall of the middle part of the straw sleeve; the end cap consists of a tube body with different inner diameters, and the inner wall of the upper part of the end cap is sleeved with a circle of steps; the upper part of the end cap is sleeved at the bottom end of the straw sleeve; a pipette head, the upper part of which is inserted into the lower part of the end cap; the suction pipe is arranged in the suction pipe sleeve, the outer wall of the suction pipe sleeve is convexly provided with a limiting pin, and the limiting pin is inserted into the strip-shaped guide hole of the suction pipe sleeve; the upper oil-free bushing and the lower oil-free bushing are respectively sleeved at the upper part and the lower part of the suction pipe, and correspondingly, a circle of grooves for fixing the upper oil-free bushing and the lower oil-free bushing are formed at the upper part and the lower part of the inner wall of the suction pipe sleeve; the spring is sleeved below the lower part of the suction pipe and the lower oil-free bushing; the upper end of the spring is propped against the lower part of the end cap step, and the lower end of the spring is propped against the upper end face of the straw head; the sliding baffle closing mechanism comprises an upper suction pipe head sleeved at the upper end part of the suction pipe, and a circle of boss is arranged in the middle of the inner wall of the upper suction pipe head; two ear blocks are symmetrically and convexly arranged on the outer wall of the upper straw head; the buffer suction head is arranged above the upper suction pipe head, and a circle of boss is arranged on the outer wall of the upper end; the buffer spring is sleeved outside the buffer suction head, the upper end of the buffer spring is propped against the boss on the outer wall of the buffer suction head, and the lower end of the buffer spring is propped against the boss on the inner wall of the upper suction head; the two sliding baffles are horizontally arranged on two sides above the buffer suction head, the outer sides of the lower end surfaces of the two sliding baffles are respectively and movably connected with a connecting rod, and the other ends of the connecting rods are movably connected with two lug blocks on the outer wall of the upper suction head; two sides of the two sliding baffles are respectively provided with a pulley, and the pulleys are arranged on the sliding grooves of the sliding groove seat in a sliding way.
Preferably, the scanning mechanism comprises a mounting base and a strip-shaped body, wherein an inverted trapezoid groove is formed in the upper end face of the strip-shaped body along the length direction, and inclined planes on two sides of the groove form 45 degrees; one end of the mounting base is arranged at the notch of the base chassis, and the inclined plane on one side corresponds to the lower part of the through hole for inserting the containing turntable; the first reflecting mirror and the second reflecting mirror are respectively arranged on inclined planes at two sides of the inverted trapezoid groove of the mounting base; the first reflecting mirror is positioned below the insertion through hole; the code scanner is arranged above the second reflecting mirror.
Preferably, the base chassis is further provided with at least one universal ball which is in rolling contact with the containing turntable.
Preferably, the invention further comprises a wear-resistant ring which is arranged in the annular groove of the base chassis and is provided with an opening corresponding to a notch on one side of the chassis; an annular limiting groove is formed in the upper end face of the wear-resistant ring along the circumferential direction.
Preferably, the code scanner is connected to the base through a bracket.
Preferably, a cold insulation material is arranged in the cavity between the containing turntable and the rotating shaft, and the cold insulation material is preferably a foaming material.
Preferably, the motor is arranged above the central through hole of the top cover through a mounting bracket, and the motor output shaft is connected with the upper end of the rotating shaft through a coupler.
When the buffer suction head is in an initial state, the external mechanical arm is used for operating, the main controller is used for controlling the motor, the electromagnet and external pressure container air extraction or blowing equipment, the pressure container air extraction and blowing mechanism is externally connected with the air pipe joint, and the two sliding baffles of the sliding baffle closing mechanism above the buffer suction head are in a closed state.
When the suction pipe head presses down the sample storage area, the suction pipe head moves upwards due to the elasticity of the upper spring to drive the suction pipe to move upwards on the buffer suction head, so that the upper suction pipe head is pushed to move upwards, and the two sliding baffles are opened due to the action of the connecting rods at two sides; the air pipe joint is externally connected with an air inlet and suction tank body and is used for exhausting or blowing air from the air pipe joint to realize the function of sucking or storing the frozen storage pipe, when the two sliding baffles are opened, the external air inlet and suction tank body exhausts air to the air pipe joint, the frozen storage pipe entering the inside of the air pipe joint enters the through hole of the containing turntable through the suction pipe and is blocked by the stop part of the upper port of the through hole, then the air pipe joint is pulled upwards, so that the two sliding baffles are closed, at the moment, the air pipe joint is disconnected, the electromagnet is electrified, suction force is generated to enable the telescopic suction pipe to move upwards, the annular limiting grooves corresponding to the outer edge of the upper port of each through hole are separated from the upper end face of the containing turntable, the motor is started to enable the containing turntable to start rotating, the containing turntable rotates the through hole where the frozen storage pipe is not placed to be right above the closing mechanism of the sliding baffles, then the electromagnet is powered off, the telescopic suction pipe moves downwards and compresses the annular limiting groove on the outer edge of the upper port of the through hole, the containing turntable cannot rotate, and then the next frozen storage pipe is sucked.
The invention has the beneficial effects that:
the invention realizes automatic integrated storing and taking of the freezing storage pipes, simultaneously keeps the preservation temperature of the freezing storage pipes between 130 ℃ below zero and 196 ℃ below zero in the transfer process, improves the storing and taking quantity of the freezing storage pipes, reduces the risk of exposing the freezing storage pipes in the room temperature environment, improves the storing and taking efficiency of the freezing storage pipes, and reduces the potential safety hazard.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is an exploded perspective view of an embodiment of the present invention.
Fig. 5 is a perspective view of a base according to an embodiment of the present invention.
Fig. 6 is an exploded perspective view of the base of the embodiment of the present invention in fig. 1.
Fig. 7 is an exploded perspective view of the base in accordance with an embodiment of the present invention.
Fig. 8 is a cross-sectional view of a base in an embodiment of the invention.
Fig. 9 is a perspective view of a scanning mechanism in an embodiment of the invention.
FIG. 10 is an exploded perspective view of a rotor clutch mechanism and straw assembly according to an embodiment of the present invention.
FIG. 11 is a perspective view of a sliding closure mechanism in accordance with an embodiment of the present invention.
Fig. 12 is an exploded perspective view of a sliding closure mechanism in accordance with an embodiment of the present invention.
Figure 13 is an exploded perspective view of a straw assembly in accordance with an embodiment of the present invention.
Fig. 14 to 16 are schematic diagrams of a process of sucking a freezing tube according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 16, a stationary turntable suction head device of the present invention includes:
the base 1 is circular and comprises a body 101 with a cavity, a top cover 102 and a bottom plate 103; the top cover 102 is provided with a central through hole 1021, and one side of the top cover is provided with an extraction through hole 1022 for extracting the frozen storage tube; an annular groove 1031 is arranged on the outer ring of the upper end surface of the chassis 103, and a notch 1032 communicated with the annular groove 1031 is arranged on one side of the chassis 103; a fixed counter bore 1033 is arranged in the center of the upper end surface of the chassis 103;
a containing turntable 2 for containing the freezing and storing tube 100, a central through hole 201 is arranged on the containing turntable 2, a plurality of through holes 202 which are communicated up and down and are used for inserting the freezing and storing tube are arranged on the outer ring of the containing turntable 2 along the circumferential direction, and a circle of stop parts 2021 are convexly arranged on the inner wall of the upper port of the through holes 202; an annular limit groove 2022 is formed in the upper end face of the containing turntable 2 corresponding to the outer edge of the upper port of each insertion through hole 202; the containing turntable 2 is arranged in the base 1 body 101, and the inserting through hole 202 corresponds to the base chassis annular groove 1031; an annular cavity 200 is arranged between a central through hole 201 and an inserting through hole 202 in the accommodating turntable 2, and a cooling medium filling port 1023 is arranged on the base top cover 102 corresponding to the cavity 200; the accommodating turntable insertion through holes 202 correspond to the top cover extraction through holes 1022;
a rotating shaft 3 inserted in the central through hole 201 of the containing turntable 2, the lower end of which is fixed on the fixed counter bore 1033 in the center of the upper end surface of the chassis 103 through a bearing, the upper end of which extends out of the central through hole 301 of the containing turntable and the central through hole 1021 of the top cover, and is sleeved with a bearing; the upper and lower parts of the rotating shaft 3 are connected with the containing turntable 2 so as to drive the containing turntable 2 to rotate;
the output shaft of the motor 4 is connected with the upper end of the rotating shaft 3;
the turntable clutch mechanism 5 is arranged at the extraction through hole 1022 of the top cover 102 of the base 1;
the suction pipe assembly 6 is arranged at the notch 1032 of the chassis 103 of the base 1 and is positioned below the through hole 202 where the accommodating turntable 2 is inserted;
the scanning mechanism 7 is arranged at a notch 1032 of the chassis 103 of the base 1;
and the motor 4 and the scanning mechanism 7 are electrically connected with the controller.
Preferably, the turntable clutch suction pipe mechanism 5 comprises,
a fixed pipe 51 with an opening at the lower end thereof, which is vertically arranged at the extraction through hole 1022 of the top cover 102 of the base 1;
a sleeve 52 disposed at an upper portion of the inside of the fixed pipe 51, and having an upper end connected to the top 511 of the inside of the fixed pipe 51;
an electromagnet 53, a cylinder structure, disposed in the sleeve 52;
a telescopic suction pipe 54 arranged in the fixed pipe 51 and positioned below the electromagnet 53; the upper part of the telescopic suction pipe 54 is provided with a step 541 along the circumferential direction, and a spring 59 is sleeved, and the upper end and the lower end of the spring 59 respectively lean against the electromagnet 53 and the step 541 of the telescopic suction pipe 54; the upper side wall of the telescopic straw 54 is provided with a through hole 542, and an air pipe joint 55 for air inflation or air suction is inserted in the through hole; the outer diameter of the lower end of the telescopic straw 54 is matched with an annular limiting groove 2022 on the upper end face of the containing turntable 2 corresponding to the outer edge of the upper port of each inserting through hole 202, and a sealing ring 56 is arranged in the lower port of the telescopic straw 54.
Preferably, a limiting sliding pin 57 is protruding in the middle of the outer wall of the telescopic straw 54, and correspondingly, a bar-shaped limiting hole 512 for inserting the limiting sliding pin 57 is provided on the side wall of the fixed tube 51.
Preferably, a sealing ring 58 is further disposed below the through hole 542 on the inner side wall of the telescopic straw 54.
Preferably, the straw assembly 6 comprises:
the chute seat 61 and the U-shaped body are arranged at the notch 1032 of the chassis 103 of the base 1 and positioned below the through hole 202 for inserting the containing turntable 2; the opening of the U-shaped body corresponds to the diameter of the freezing storage tube 100, and sliding grooves 611 are formed in the inner walls of the two sides of the opening of the U-shaped body along the length direction;
the sleeve fixing seat 62 is arranged on the bottom surface of the chute seat 61 and comprises a bottom plate 621 with a through hole and a pipe body 622 thereon;
a suction tube sleeve 63, the upper part of which is inserted into the sleeve fixing seat 62, and the side wall of the middle part of which is provided with a bar-shaped guide hole 631 in the height direction;
the end cap 64 is composed of tube bodies with different inner diameters, and the inner wall of the upper part of the end cap is sleeved with a circle of steps 641; the upper part of the end cap 64 is sleeved at the bottom end of the straw sleeve 63;
a pipette head 65, the upper part of which is inserted into the lower part of the end cap 64;
the suction pipe 66 is arranged in the suction pipe sleeve 63, the outer wall of the suction pipe sleeve 63 is convexly provided with a limiting pin 67, and the limiting pin 67 is inserted into the strip-shaped guide hole 631 of the suction pipe sleeve 63;
upper and lower oilless bushings 68, 68 'are respectively sleeved on the upper and lower parts of the suction pipe 66, and a circle of grooves 632, 633 for fixing the upper and lower oilless bushings 68, 68' are respectively arranged on the upper and lower parts of the inner wall of the suction pipe sleeve 63;
a spring 69 sleeved under the lower part of the suction pipe 66 and the lower oilless bushing 68'; the upper end of the spring 69 is propped against the lower part of the end cap step 641, and the lower end is propped against the upper end face of the straw head 65;
the sliding closure mechanism 8, which includes,
an upper straw head 81 sleeved on the upper end part of the straw 66, and a circle of boss 811 is arranged in the middle of the inner wall of the upper straw head; two ear blocks 812, 812' are symmetrically and convexly arranged on the outer wall of the upper suction pipe head 81;
a buffer suction head 82 arranged above the upper suction pipe head 81, and a circle of boss 821 arranged on the outer wall of the upper end;
a buffer spring 83 sleeved outside the buffer suction head 82, the upper end of the buffer spring is propped against the boss 821 on the outer wall of the buffer suction head, and the lower end of the buffer spring is propped against the boss 811 on the inner wall of the upper suction head 81;
two sliding baffles 84, 84 'horizontally arranged on two sides above the buffer suction head 82, wherein the outer sides of the lower end surfaces of the two sliding baffles 84, 84' are respectively and movably connected with a connecting rod 85, 85', and the other ends of the connecting rods 85, 85' are movably connected with two lug blocks 812, 813 on the outer wall of the upper suction pipe head 81; pulleys 86, 86' are respectively arranged on both sides of the two sliding baffles 84, 84', and the pulleys 86, 86' are slidably arranged on the sliding groove 611 of the sliding groove seat 61.
Preferably, the scanning mechanism 7 comprises,
the mounting base 71, the strip-shaped body, its upper end face along the length direction sets up the inverted trapezoid groove 711, the inclined plane 7111, 7112 of both sides of the groove 711 is 45 °; one end of the mounting base 71 is arranged at a notch 1032 of the chassis of the base 1, wherein one side inclined surface 7111 corresponds to the position of the accommodating turntable 2 below the through hole 202;
a first reflecting mirror 72 and a second reflecting mirror 73 respectively arranged on two side inclined surfaces 7111 and 7112 of the inverted trapezoid groove of the mounting base 71; the first reflecting mirror 72 is positioned below the insertion through hole;
the code scanner 74 is disposed above the second reflecting mirror 73.
Preferably, the chassis 103 of the base 1 is further provided with at least one universal ball 104, which is in rolling contact with the containing turntable 2.
Preferably, the invention further comprises a wear-resistant ring 9 disposed in the annular groove 1031 of the chassis 103 of the base 1, and having an opening 91 corresponding to a notch on one side of the chassis; an annular limiting groove 92 is formed on the upper end face of the wear-resistant ring 9 along the circumferential direction.
Preferably, the scanner 74 is connected to the base 1 by a bracket 75.
Preferably, the cavity 200 between the rotary table 2 and the rotary shaft 3 is provided with a cold insulation material 18, and the cold insulation material 18 is preferably a foaming material.
Preferably, the motor 4 is disposed above the central through hole 1021 of the top cover 102 through a mounting bracket 41, and an output shaft of the motor 4 is connected to the upper end of the rotating shaft 3 through a coupling 42.
Referring to fig. 14, pipette head 65 is pressed against the upper end of sample storage area 500 and continues to be pressed down a distance such that pipette head 65 slides upward within end cap 64, driving pipette 66 to slide upward within pipette sleeve 63; simultaneously, the connecting rods 85 and 85 'fixed on the upper end part of the suction pipe 66 and on the suction pipe head 81 are driven to slide upwards, the two sliding baffles 84 and 84' are pushed away to two sides, the buffer suction head 82 is driven to slide upwards through the buffer spring 83, and finally the buffer suction head 82 is pressed at the bottom of the insertion through hole 202 of the containing turntable 2; the telescopic suction tube 54 is pressed in the limit groove 2022 of the insertion through hole 202 of the containing turntable 2 by the spring 59 and the gravity of the telescopic suction tube; the telescopic suction pipe 54, the buffer suction head 82 and the suction pipe head 65 are connected end to form a sealed air flow channel, a vacuum source is started, and the freezing pipe 100 is sucked into the through hole 202 of the containing turntable 2.
Referring to fig. 15, the telescopic pipette 54, the buffer pipette tip 82 and the pipette tip 65 are connected end to form a sealed air flow channel; at this time, the vacuum source is turned on, and the freezing tube 100 is sucked into the holding turntable 2.
Referring to fig. 16, the freezing tube 100 is temporarily stored in the storage carousel 2; the whole sucking mechanism is lifted, the sucker head 65 is separated from the end face of the sample storing and taking area 500, the sucker head 65 is reset by a spring and gravity, the sucker 66 and the upper sucker head 81 on the sucker are slid downwards under the action of the buffer spring 83 and gravity, and the two sliding baffles 84 and 84 'are closed by connecting rods 85 and 85'; the electromagnet 53 is electrified to suck the telescopic suction pipe 54; at this time, the holding turntable 2 can be rotated arbitrarily, and the freezing tube 100 does not fall down.
Examples:
when the buffer suction head is in an initial state, the external mechanical arm is used for operating, the main controller is used for controlling the motor, the electromagnet and external pressure container air extraction or blowing equipment, the pressure container air extraction and blowing mechanism is externally connected with the air pipe joint, and the two sliding baffles of the sliding baffle closing mechanism above the buffer suction head are in a closed state.
When the suction pipe head presses down the sample storage area, the suction pipe head moves upwards due to the elasticity of the upper spring to drive the suction pipe to move upwards on the buffer suction head, so that the upper suction pipe head is pushed to move upwards, and the two sliding baffles are opened due to the action of the connecting rods at two sides; the air pipe joint is externally connected with an air inlet and suction tank body and is used for exhausting or blowing air from the air pipe joint to realize the function of sucking or storing the frozen storage pipe, when the two sliding baffles are opened, the externally connected air inlet and suction tank body exhausts air to the air pipe joint, the frozen storage pipe entering the inside of the air pipe joint enters the through hole of the containing turntable through the suction pipe and is blocked by the stop part of the upper port of the through hole, then the air pipe joint is closed by the upward pulling of the air pipe joint, at the moment, the air pipe joint is disconnected, the electromagnet is electrified, suction force is generated to enable the telescopic suction pipe to move upward, the telescopic suction pipe is separated from the annular limiting groove of the upper end face of the containing turntable corresponding to the outer edge of the upper port of each through hole, the motor is started to enable the containing turntable to start rotating, then the electromagnet is deenergized, the telescopic suction pipe moves downward and compresses the annular limiting groove of the outer edge of the upper port of the through hole, and then the next frozen storage pipe is sucked.
Claims (8)
1. A stationary turret suction head assembly, comprising:
the base is circular and comprises a body with a cavity, a top cover and a chassis on the body; the top cover is provided with a central through hole, and one side of the top cover is provided with an extraction through hole for extracting the freezing storage tube; an annular groove is formed in the outer ring of the upper end face of the chassis, and a notch communicated with the annular groove is formed in one side of the chassis; a fixed counter bore is arranged in the center of the upper end surface of the chassis;
the storage turntable is used for storing the frozen storage pipes, a central through hole is formed in the storage turntable, a plurality of through holes which penetrate up and down are formed in the outer ring of the storage turntable along the circumferential direction and are used for inserting the frozen storage pipes, and a circle of stop parts are convexly arranged on the inner wall of an upper port of each through hole; an annular limiting groove is formed in the upper end face of the containing turntable and corresponds to the outer edge of the upper port of each inserting through hole; the containing turntable is arranged in the body of the base, and the inserting through hole corresponds to the chassis annular groove of the base; an annular cavity is arranged between the central through hole in the accommodating turntable and the inserting through hole, and a cooling medium filling port is arranged on the top cover of the base corresponding to the cavity; the through holes in which the accommodating turntables are inserted correspond to the top cover extraction through holes;
the rotating shaft is inserted into the central through hole of the containing turntable, the lower end of the rotating shaft is fixed on a fixed counter bore in the center of the upper end face of the chassis through a bearing, and the upper end of the rotating shaft extends out of the central through hole of the containing turntable and the central through hole of the top cover and is sleeved with a bearing; the upper part and the lower part of the rotating shaft are connected with the containing turntable so as to drive the containing turntable to rotate;
the output shaft of the motor is connected with the upper end of the rotating shaft;
the turntable clutch mechanism is arranged at the top cover extraction through hole of the base; the turntable clutch mechanism comprises a turntable clutch mechanism body,
the lower end of the fixed pipe is provided with an opening, and the fixed pipe is vertically arranged at the top cover extraction through hole of the base;
the sleeve is arranged at the upper part in the fixed pipe, and the upper end of the sleeve is connected to the inner top of the fixed pipe;
the electromagnet is in a column structure and is arranged in the sleeve;
the telescopic suction pipe is arranged in the fixed pipe and is positioned below the electromagnet; the upper part of the telescopic straw is provided with a step along the circumferential direction, and is sleeved with a spring, and the upper end and the lower end of the spring respectively lean against the electromagnet and the telescopic straw step; the side wall of the upper part of the telescopic straw is provided with a through hole, and an air pipe joint for air inflation or air suction is inserted in the through hole; the outer diameter of the lower end of the telescopic suction pipe is matched with an annular limiting groove of the upper end face of the containing turntable, which corresponds to the outer edge of the upper port of each inserting through hole, and a sealing ring is arranged in the lower port of the telescopic suction pipe;
the suction pipe assembly is arranged at the chassis notch of the base and is positioned below the through hole for inserting the accommodating turntable; the straw assembly includes:
the chute seat, the U-shaped body, locate at chassis notch of the said base, locate at and hold the below of the through hole of insertion of the rotary table; the opening of the U-shaped body corresponds to the diameter of the freezing storage tube, and sliding grooves are formed in the inner walls of the two sides of the opening of the U-shaped body along the length direction;
the sleeve fixing seat is arranged on the bottom surface of the chute seat and comprises a bottom plate with a through hole and a pipe body arranged on the bottom plate;
the upper part of the straw sleeve is inserted into the sleeve fixing seat, and a strip-shaped guide hole is arranged in the height direction of the side wall of the middle part of the straw sleeve;
the end cap consists of a tube body with different inner diameters, and the inner wall of the upper part of the end cap is sleeved with a circle of steps; the upper part of the end cap is sleeved at the bottom end of the straw sleeve;
a pipette head, the upper part of which is inserted into the lower part of the end cap;
the suction pipe is arranged in the suction pipe sleeve, the outer wall of the suction pipe sleeve is convexly provided with a limiting pin, and the limiting pin is inserted into the strip-shaped guide hole of the suction pipe sleeve;
the upper oil-free bushing and the lower oil-free bushing are respectively sleeved at the upper part and the lower part of the suction pipe, and correspondingly, a circle of grooves for fixing the upper oil-free bushing and the lower oil-free bushing are formed at the upper part and the lower part of the inner wall of the suction pipe sleeve;
the spring is sleeved below the lower part of the suction pipe and the lower oil-free bushing; the upper end of the spring is propped against the lower part of the end cap step, and the lower end of the spring is propped against the upper end face of the straw head;
a sliding closure mechanism, comprising,
the upper suction pipe head is sleeved at the upper end part of the suction pipe, and a circle of boss is arranged in the middle of the inner wall of the upper suction pipe head; two ear blocks are symmetrically and convexly arranged on the outer wall of the upper straw head;
the buffer suction head is arranged above the upper suction pipe head, and a circle of boss is arranged on the outer wall of the upper end;
the buffer spring is sleeved outside the buffer suction head, the upper end of the buffer spring is propped against the boss on the outer wall of the buffer suction head, and the lower end of the buffer spring is propped against the boss on the inner wall of the upper suction head;
the two sliding baffles are horizontally arranged on two sides above the buffer suction head, the outer sides of the lower end surfaces of the two sliding baffles are respectively and movably connected with a connecting rod, and the other ends of the connecting rods are movably connected with two lug blocks on the outer wall of the upper suction head; pulleys are respectively arranged on two sides of the two sliding baffles, and the pulleys are arranged on the sliding grooves of the sliding groove seat in a sliding manner;
the scanning mechanism is arranged at the chassis notch of the base; the scanning mechanism may comprise a scanning mechanism that is configured to scan the object,
the mounting base is a strip-shaped body, an inverted trapezoid groove is formed in the upper end face of the strip-shaped body along the length direction, and inclined planes on two sides of the groove form 45 degrees; one end of the mounting base is arranged at the chassis notch of the base, and the inclined plane on one side corresponds to the lower part of the through hole for inserting the containing turntable;
the first reflecting mirror and the second reflecting mirror are respectively arranged on inclined planes at two sides of the inverted trapezoid groove of the mounting base; the first reflecting mirror is positioned below the insertion through hole;
the code scanner is arranged above the second reflecting mirror;
and the motor and the scanning mechanism are electrically connected with the controller.
2. The fixed rotary disc suction head device according to claim 1, wherein a limit sliding pin is convexly arranged in the middle of the outer wall of the telescopic suction tube, and a strip-shaped limit hole for inserting the limit sliding pin is correspondingly arranged on the side wall of the fixed tube.
3. The fixed rotary disc suction head device according to claim 1 or 2, wherein a sealing ring is further arranged below the through hole on the inner side wall of the telescopic suction tube.
4. The stationary turntable suction head device as claimed in claim 1, wherein the chassis of the base is further provided with at least one universal ball in rolling contact with the holding turntable.
5. The stationary turntable suction head device as claimed in claim 1, further comprising a wear ring disposed in the chassis annular groove of the base, and having an opening corresponding to a notch on one side of the chassis; an annular limiting groove is formed in the upper end face of the wear-resistant ring along the circumferential direction.
6. The stationary turntable suction head assembly of claim 1, wherein said code scanner is attached to said base by a bracket.
7. The stationary turntable suction head device according to claim 1, wherein a cavity between the holding turntable and the rotating shaft is provided with a cold insulation material, and the cold insulation material is a foaming material.
8. The stationary turntable suction head device as claimed in claim 1, wherein the motor is disposed above the central through hole of the top cover through a mounting bracket, and an output shaft of the motor is coupled to an upper end of the rotating shaft through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477638.4A CN108058996B (en) | 2017-12-29 | 2017-12-29 | Fixed carousel suction head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477638.4A CN108058996B (en) | 2017-12-29 | 2017-12-29 | Fixed carousel suction head device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108058996A CN108058996A (en) | 2018-05-22 |
| CN108058996B true CN108058996B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477638.4A Active CN108058996B (en) | 2017-12-29 | 2017-12-29 | Fixed carousel suction head device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108507848A (en) * | 2018-07-05 | 2018-09-07 | 嘉兴凯实生物科技有限公司 | A kind of incubation module |
| CN114199631B (en) * | 2021-12-13 | 2022-08-12 | 杭州莱和生物技术有限公司 | Amplification method for immunochromatography monitoring signal |
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| CN207726333U (en) * | 2017-12-29 | 2018-08-14 | 上海原能细胞生物低温设备有限公司 | A kind of fixed turntable suction head apparatus |
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| CN101792105A (en) * | 2009-02-04 | 2010-08-04 | 刘伟耀 | Quantitative liquid getting device |
| JP2016098079A (en) * | 2014-11-21 | 2016-05-30 | 北海道システム・サイエンス株式会社 | Device for automatically storing pipette tip |
| CN105151734A (en) * | 2015-09-06 | 2015-12-16 | 泉州市汉威机械制造有限公司 | 90-degree arrangement conveying device |
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| CN108058996A (en) | 2018-05-22 |
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