CN112791757B - Device for replacing sample suction gun head of chemiluminescence immunoassay analyzer - Google Patents
Device for replacing sample suction gun head of chemiluminescence immunoassay analyzer Download PDFInfo
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- CN112791757B CN112791757B CN202110317248.0A CN202110317248A CN112791757B CN 112791757 B CN112791757 B CN 112791757B CN 202110317248 A CN202110317248 A CN 202110317248A CN 112791757 B CN112791757 B CN 112791757B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0275—Interchangeable or disposable dispensing tips
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5302—Apparatus specially adapted for immunological test procedures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/021—Adjust spacings in an array of wells, pipettes or holders, format transfer between arrays of different size or geometry
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Abstract
The invention provides a device for replacing a sample suction gun head of a chemiluminescence immunoassay analyzer, which belongs to the technical field of medical instruments and comprises: the device comprises a frame, a first conveying channel and a second conveying channel, wherein a first discharging frame is arranged in the first conveying channel, and a second discharging frame is arranged in the second conveying channel; the first lifting mechanism is arranged on one side of the rack, and a feeding platform is arranged on the first lifting mechanism; and the second lifting mechanism is arranged on the other side of the rack, and a discharging platform is arranged on the second lifting mechanism. The feeding platform is respectively communicated with the first transmission channel or the second transmission channel in a butt joint mode, the corresponding first sample suction gun head and the second sample suction gun head on the first discharging frame and the second discharging frame are timely supplemented, and the discharging platform is respectively communicated with the first transmission channel or the second transmission channel in a butt joint mode, so that the corresponding output of the first sample suction gun head or the second sample suction gun head is achieved, and the purpose of replacing the sample suction gun heads is achieved.
Description
Technical Field
The invention belongs to the technical field of medical instruments, relates to a replacing device, and particularly relates to a sample sucking gun head replacing device of a chemiluminescence immunoassay analyzer.
Background
In the existing analyzer, in order to avoid cross contamination in the sampling process, a disposable sample suction gun head is generally used as a consumable material for sampling. The disposable sample suction gun heads are placed in the consumable box in a concentrated mode in advance, and after the consumable box reaches a preset position through a conveying device of the analyzer, the disposable sample suction gun heads can be loaded to the sample needle to perform subsequent sampling work. During loading, the analyzer generally performs overall positioning on the consumable rack, and then indirectly positions the loading position of each disposable pipette tip.
In order to ensure the accuracy of the sample suction precision, general operators can adopt sample suction gun heads with different capacities to perform sample suction operation. When the content of drawing a sample is less, adopt the less appearance rifle head of inhaling of volume to inhale kind and handle, when the content of inhaling kind is great, adopt the great appearance rifle head of inhaling of volume to inhale kind and handle, however, often adopt artificial mode to change when changing the appearance rifle head of inhaling, efficiency is comparatively low, and the manual work often can produce cross contamination when changing the appearance rifle head of inhaling in addition, or the condition of mistake change takes place, finally influences the reliability of detection data.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a replacing device which can automatically replace a sample suction gun head, improve replacing efficiency and avoid error or cross contamination.
The purpose of the invention can be realized by the following technical scheme: a kind of chemical luminescence immunity analyzer's sample suction rifle head changes the device, includes:
the sample sucking gun comprises a rack, a first conveying channel and a second conveying channel, wherein the first conveying channel is used for conveying a first sample sucking gun head, the second conveying channel is used for conveying a second sample sucking gun head, and the first conveying channel and the second conveying channel are arranged up and down;
the first lifting mechanism is arranged on one side of the rack, and a feeding platform is arranged on the first lifting mechanism, wherein the feeding platform is driven to move up and down through the first lifting mechanism, so that the feeding platform is communicated with the first transmission channel or the second transmission channel respectively;
the second lifting mechanism is arranged on the other side of the rack, and a discharging platform is arranged on the second lifting mechanism, wherein the second lifting mechanism drives the discharging platform to move up and down, so that the discharging platform is communicated with the first transmission channel or the second transmission channel respectively.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, the first transmission channel is provided with a first transmission mechanism for driving the first discharging frame to horizontally move, the second transmission channel is provided with a second transmission mechanism for driving the second discharging frame to horizontally move, and a steering mechanism is arranged between the first transmission mechanism and the second transmission mechanism, wherein two ends of the steering mechanism are respectively connected with the first transmission mechanism and the second transmission mechanism.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, a closed circulation mechanism is formed among the first transmission mechanism, the second lifting mechanism, the second transmission mechanism and the first lifting mechanism.
In the sample suction gun head replacing device of the chemiluminescence immunoassay analyzer, the rack is provided with the transmission motor, and the output end of the transmission motor is connected with the first transmission mechanism, or the output end of the transmission motor is connected with the second transmission mechanism.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, the first transmission mechanism comprises first transmission belt wheel components which are respectively arranged at two ends of the first transmission channel, and the two first transmission belt wheel components are connected through a first belt; the second transmission mechanism comprises second transmission belt wheel assemblies respectively arranged at two ends of the second transmission channel, and the two second transmission belt wheel assemblies are connected through a second belt; the steering mechanism comprises two steering wheels which are arranged on the rack and distributed up and down, and the two steering wheels are connected through a third belt, wherein the third belt is arranged in an 8 shape, the output end of the transmission motor is connected with an output wheel, and the output wheel is connected onto the first belt or the second belt.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, the first transmission channel and the second transmission channel are respectively provided with the tensioning assembly which is the first tensioning assembly and the second tensioning assembly, wherein the first tensioning assembly comprises a first adjusting plate connected to the frame, the first adjusting plate is connected with a first tensioning wheel capable of moving along the length direction of the first adjusting plate, and the surface of the first tensioning wheel is attached to the first belt; the second tensioning assembly comprises a second adjusting plate connected to the frame, and a second tensioning wheel capable of moving along the length direction of the second adjusting plate is connected to the second adjusting plate, wherein the surface of the second tensioning wheel is attached to the second belt.
In the sample suction gun head replacement device for the chemiluminescence immunoassay analyzer, the first lifting mechanism comprises a first lifting motor arranged on the frame, and the output end of the first lifting motor is connected with a first lifting belt pulley component, wherein the first lifting belt pulley component is connected with a first lifting assembly, and the feeding platform is positioned on the first lifting assembly; the second lifting mechanism comprises a second lifting motor arranged on the rack, the output end of the second lifting motor is connected with a second lifting belt pulley component, a second lifting assembly is connected onto the second lifting belt pulley component, and the discharging platform is located on the second lifting assembly.
In the sample suction gun head replacing device of the chemiluminescence immunoassay analyzer, one end of a first lifting belt pulley component is connected with the output end of a first lifting motor, and the other end of the first lifting belt pulley component is connected with one of the first transmission belt pulley components; one end of the second lifting belt pulley component is connected with the output end of the second lifting motor, and the other end of the second lifting belt pulley component is connected with the other first transmission belt pulley component.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, the first lifting assembly comprises a first lifting support, and the first lifting support is arranged in a U-shaped structure, wherein the feeding platform is positioned at the opening end of the U-shaped first lifting support; the first translation motor is arranged on one side of the opening end of the U-shaped first lifting support, the output end of the first translation motor is connected with a first driving gear, and two sides of the first driving gear are respectively meshed with first driven gears; the second lifting assembly comprises a second lifting support, the second lifting support is arranged in a U-shaped structure, and the discharging platform is positioned at the opening end of the U-shaped second lifting support; and the second translation motor is arranged on one side of the opening end of the U-shaped second lifting support, the output end of the second translation motor is connected with a second driving gear, and two sides of the second driving gear are respectively meshed with a second driven gear.
In the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer, the end surfaces of two sides of the opening end of the U-shaped first lifting support are respectively provided with a first strip-shaped groove, wherein the first strip-shaped grooves are in inserted fit with the side walls of the first discharging frame or the second discharging frame, and the first strip-shaped grooves are communicated with the first driven gear; and second strip-shaped grooves are respectively arranged on the end surfaces of two sides of the opening end of the U-shaped second lifting support, wherein the second strip-shaped grooves are in plug fit with the side walls of the first discharging frame or the second discharging frame, and the second strip-shaped grooves are communicated with the second driven gear.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the sample suction gun head replacing device of the chemiluminescence immunoassay analyzer, the feeding platform on the first lifting mechanism is respectively in butt joint communication with the first transmission channel or the second transmission channel, corresponding first sample suction gun heads and second sample suction gun heads on the first discharging frame and the second discharging frame are supplemented in time, and the discharging platform on the second lifting mechanism is respectively in butt joint communication with the first transmission channel or the second transmission channel, so that corresponding output of the first sample suction gun heads or the second sample suction gun heads is realized, the purpose of automatically replacing the sample suction gun heads is further achieved, the replacing efficiency is high, and the condition of error or cross contamination is avoided;
(2) the first transmission mechanism, the second transmission mechanism and the steering mechanism are connected to form linkage when the first discharging frame and the second discharging frame move along the first transmission channel and the second transmission channel respectively, so that the structure of the sample suction gun head replacing device is simplified, and the smoothness of discharging of the first sample suction gun head or the second sample suction gun head is ensured;
(3) the first feeding frame and the second feeding frame synchronously move along the corresponding first transmission channel and the second transmission channel in different directions through the single transmission motor and the first transmission mechanism, the second transmission mechanism and the steering mechanism respectively, so that the simplification of the device is realized, and meanwhile, the smoothness of the first feeding frame and the second feeding frame in the moving process is ensured;
(4) the first lifting belt pulley assembly and the second lifting belt pulley assembly are respectively connected with the two first transmission belt pulley assemblies, so that the lifting of the feeding platform and the lifting of the discharging platform are realized, and the horizontal movement of the first discharging frame along the first transmission channel and the horizontal movement of the second discharging frame along the second transmission channel form a closed-loop type circulating mechanism, so that the reliability of the replacement of the sample suction gun head is improved, and in addition, the structure of the whole device for replacing the sample suction gun head is more compact;
(5) the driving gear and the driven gear are arranged in a staggered mode, so that the rotating directions of the two driven gears are consistent, the discharging frame can smoothly enter or exit from the lifting support, in addition, the two driven gears are adopted, the stability of the discharging frame when the discharging frame enters or exits from the lifting support is improved, and the discharging frame is prevented from inclining to damage the sample sucking gun head.
Drawings
FIG. 1 is a schematic structural diagram of a sample suction gun head replacing device of a chemiluminescence immunoassay analyzer.
FIG. 2 is a schematic structural diagram of another view angle of the sample suction gun head replacement device of the chemiluminescence immunoassay analyzer.
In the figure, 100, a rack; 110. a first transmission channel; 120. a second transmission channel; 130. a first discharging frame; 131. a first pipette tip; 140. a second discharging frame; 141. a second sample suction gun head; 150. a first transmission mechanism; 151. a first pulley; 152. a first belt; 153. a first tensioning assembly; 1531. a first adjusting plate; 1532. a first tensioning wheel; 160. a second transmission mechanism; 161. a second pulley; 162. a second belt; 163. a second tensioning assembly; 1631. a second adjusting plate; 1632. a second tensioning wheel; 170. a steering mechanism; 171. a steering wheel; 172. a third belt; 180. a drive motor; 181. an output wheel;
200. a first lifting mechanism; 210. a first lift motor; 220. a first lifting pulley assembly; 221. a third belt pulley; 222. a fourth pulley; 223. a fourth belt; 230. a first lifting assembly; 231. a first lifting support; 2311. a first bar-shaped groove; 2312. a feeding platform; 232. a first translation motor; 233. a first drive gear; 234. a first driven gear; 240. a first guide bar;
300. a second lifting mechanism; 310. a second lift motor; 320. a second lifting pulley assembly; 321. a fifth belt pulley; 322. a sixth pulley; 323. a fifth belt; 330. a second lifting assembly; 331. a second lifting support; 3311. a second strip-shaped groove; 3312. a discharge platform; 332. a second translation motor; 333. a second driving gear; 334. a second driven gear; 340. a second guide bar.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 and fig. 2, the present invention provides a device for replacing a pipette tip of a chemiluminescence immunoassay analyzer, comprising:
the sample processing device comprises a frame 100, a first transmission channel 110 and a second transmission channel 120, wherein the first transmission channel 110 is used for transmitting first sample suction gun heads 131, the second transmission channel 120 is used for transmitting second sample suction gun heads 141, the first transmission channel 110 and the second transmission channel 120 are arranged up and down, a first discharging rack 130 is arranged in the first transmission channel 110 and used for placing the first sample suction gun heads 131, and a second discharging rack 140 is arranged in the second transmission channel 120 and used for placing the second sample suction gun heads 141;
the first lifting mechanism 200 is installed at one side of the rack 100, and the feeding platform 2312 is arranged on the first lifting mechanism 200, wherein the feeding platform 2312 is driven by the first lifting mechanism 200 to move up and down, so that the feeding platform 2312 is respectively communicated with the first transmission channel 110 or the second transmission channel 120;
the second lifting mechanism 300 is installed at the other side of the frame 100, and the discharging platform 3312 is disposed on the second lifting mechanism 300, wherein the discharging platform 3312 is driven by the second lifting mechanism 300 to move up and down, so that the discharging platform 3312 is respectively communicated with the first transmission channel 110 or the second transmission channel 120.
According to the sample suction gun head replacing device for the chemiluminescence immunoassay analyzer, the feeding platform 2312 on the first lifting mechanism 200 is in butt joint communication with the first transmission channel 110 or the second transmission channel 120 respectively, the corresponding first sample suction gun head 131 and the second sample suction gun head 141 on the first discharging frame 130 and the second discharging frame 140 are supplemented in time, and the discharging platform 3312 on the second lifting mechanism 300 is in butt joint communication with the first transmission channel 110 or the second transmission channel 120 respectively, so that the corresponding output of the first sample suction gun head 131 or the second sample suction gun head 141 is realized, the purpose of automatically replacing the sample suction gun heads is achieved, the replacing efficiency is high, and the condition of error or cross contamination is avoided.
Preferably, a first transmission mechanism 150 for driving the first discharging frame 130 to move horizontally is disposed on the first transmission channel 110, a second transmission mechanism 160 for driving the second discharging frame 140 to move horizontally is disposed on the second transmission channel 120, and a steering mechanism 170 is disposed between the first transmission mechanism 150 and the second transmission mechanism 160, wherein two ends of the steering mechanism 170 are respectively connected to the first transmission mechanism 150 and the second transmission mechanism 160, and by cooperation between the first transmission mechanism 150, the second transmission mechanism 160 and the steering mechanism 170, the counter-directional movement between the first discharging frame 130 and the second discharging frame 140 is achieved.
In this embodiment, the movement of the first material placing frame 130 and the second material placing frame 140 in different directions means that when the first material placing frame 130 moves along the first transmission channel 110 toward the first lifting mechanism 200, the second material placing frame 140 synchronously moves along the second transmission channel 120 toward the second lifting mechanism 300, in other words, when the first material placing frame 130 moves along the first transmission channel 110 toward the second lifting mechanism 300, the second material placing frame 140 synchronously moves along the second transmission channel 120 toward the first lifting mechanism 200.
In this embodiment, through the connection among the first transmission mechanism 150, the second transmission mechanism 160 and the steering mechanism 170, linkage is formed when the first discharging frame 130 and the second discharging frame 140 move along the first transmission channel 110 and the second transmission channel 120, so as to simplify the structure of the device for replacing the pipette tips and ensure the smoothness of discharging of the first pipette tip 131 or the second pipette tip 141.
Preferably, in order to further simplify the structure of the sample pipette head changer, make the structure of the sample pipette head changer more compact, and reduce the manufacturing cost of the sample pipette head changer, the first transmission mechanism 150, the second transmission mechanism 160, and the steering mechanism 170 share one transmission motor 180, that is, the transmission motor 180 is mounted on the frame 100, and the output end of the transmission motor 180 is connected to the first transmission mechanism 150, or the output end of the transmission motor 180 is connected to the second transmission mechanism 160.
In this embodiment, through the single transmission motor 180, the first transmission mechanism 150, the second transmission mechanism 160 and the steering mechanism 170, the first discharging frame 130 and the second discharging frame 140 respectively and synchronously move along the corresponding first transmission channel 110 and the second transmission channel 120 in different directions, so that the simplification of the device is realized, and meanwhile, the smoothness of the first discharging frame 130 and the second discharging frame 140 in the moving process is ensured.
Preferably, the first transmission mechanism 150 includes first transmission pulley assemblies respectively disposed at two ends of the first transmission channel 110, and the two first transmission pulley assemblies are connected by a first belt 152; the second transmission mechanism 160 includes second transmission pulley assemblies respectively disposed at two ends of the second transmission channel 120, and the two second transmission pulley assemblies are connected by a second belt 162; the steering mechanism 170 includes two steering wheels 171 which are mounted on the frame 100 and vertically distributed, and the two steering wheels 171 are connected through a third belt 172, wherein the third belt 172 is disposed in a shape like an "8", and the rotation directions of the two steering wheels 171 are opposite through the third belt 172, and the output end of the transmission motor 180 is connected with an output wheel 181, and the output wheel 181 is connected to the first belt 152 or connected to the second belt 162.
In the present embodiment, when the output wheel 181 is connected to the first belt 152, a "three-point positioning" is formed between the two sets of first driving pulley assemblies and the output wheel 181, which not only realizes the output of power, but also realizes the tensioning of the first belt 152; when the output wheel 181 is connected to the second belt 162, a "three-point positioning" is formed between the two sets of second driving pulley assemblies and the output wheel 181, and similarly, not only the output of power but also the tensioning of the second belt 162 is realized.
Further preferably, the first driving pulley assembly comprises two oppositely arranged first pulleys 151; the second drive pulley assembly comprises two oppositely disposed second pulleys 161.
Preferably, in order to further realize the tensioning adjustment of the first belt 152 and the second belt 162, tensioning assemblies, namely a first tensioning assembly 153 and a second tensioning assembly 163, are respectively installed on the first conveying channel 110 and the second conveying channel 120, wherein the first tensioning assembly 153 comprises a first adjusting plate 1531 connected to the frame 100, and a first tensioning wheel 1532 capable of moving along the length direction of the first adjusting plate 1531 is connected to the first adjusting plate 1531, and the surface of the first tensioning wheel 1532 is attached to the first belt 152; the second tensioning assembly 163 includes a second adjusting plate 1631 connected to the frame 100, and a second tensioning wheel 1632 connected to the second adjusting plate 1631 and capable of moving along the length direction of the second adjusting plate 1631, wherein the surface of the second tensioning wheel 1632 is attached to the second belt 162.
Further preferably, the first tensioning assembly 153 and the second tensioning assembly 163 are vertically distributed and located on the same side of the frame 100, and are located on two sides of the frame 100 respectively with the output wheel 181.
Preferably, the first lifting mechanism 200 comprises a first lifting motor 210 mounted on the frame 100, and an output end of the first lifting motor 210 is connected with a first lifting pulley assembly 220, wherein a first lifting assembly 230 is connected to the first lifting pulley assembly 220, and the feeding platform 2312 is located on the first lifting assembly 230; the second lifting mechanism 300 includes a second lifting motor 310 installed on the frame 100, and an output end of the second lifting motor 310 is connected with a second lifting pulley assembly 320, wherein a second lifting assembly 330 is connected to the second lifting pulley assembly 320, and the discharging platform 3312 is located on the second lifting assembly 330.
Further preferably, one end of the first elevating pulley assembly 220 is connected to the output end of the first elevating motor 210, and the other end of the first elevating pulley assembly 220 is connected to one of the first driving pulley assemblies; one end of the second elevating pulley assembly 320 is connected to an output end of the second elevating motor 310, and the other end of the second elevating pulley assembly 320 is connected to another first driving pulley assembly.
In this embodiment, the first elevating pulley assembly 220 and the second elevating pulley assembly 320 are respectively connected to two first driving pulley assemblies, so as to realize the elevation of the feeding platform 2312, the elevation of the discharging platform 3312, the horizontal movement of the first discharging rack 130 along the first conveying channel 110 and the horizontal movement of the second discharging rack 140 along the second conveying channel 120, thereby forming a "closed loop" circulating mechanism, so as to improve the reliability of the replacement of the pipette tips, and in addition, the structure of the whole apparatus for replacing the pipette tips becomes more compact.
Preferably, the first elevating pulley assembly 220 includes a third pulley 221 connected to an output end of the first elevating motor 210, and a fourth pulley 222 coaxially disposed with one of the first pulleys 151, wherein the third pulley 221 and the fourth pulley 222 are connected by a fourth belt 223; the second elevating pulley assembly 320 includes a fifth pulley 321 connected to an output end of the second elevating motor 310, and a sixth pulley 322 coaxially disposed with the other first pulley 151, wherein the fifth pulley 321 and the sixth pulley 322 are connected by a fifth belt 323.
Preferably, the first lifting assembly 230 comprises a first lifting bracket 231, and the first lifting bracket 231 is disposed in a U-shaped structure, wherein the feeding platform 2312 is located at an open end of the U-shaped first lifting bracket 231; the first translation motor 232 is installed at one side of an open end of the U-shaped first lifting bracket 231, an output end of the first translation motor 232 is connected with a first driving gear 233, and two sides of the first driving gear 233 are respectively engaged with a first driven gear 234, wherein when the first lifting bracket 231 is aligned with the first transmission channel 110 (or the second transmission channel 120), the first rack 130 (or the second rack 140) is moved to the first lifting bracket 231 through the transmission motor 180, and when the first rack 130 (or the second rack 140) enters the first lifting bracket 231, the first driving gear 233 and the first driven gear 234 are driven to rotate by the first translation motor 232, so that the first rack 130 (or the second rack 140) completely enters the feeding platform 2312.
Further preferably, two side end faces of the open end of the U-shaped first lifting support 231 are respectively provided with a first strip-shaped groove 2311, wherein each first strip-shaped groove 2311 is respectively in insertion fit with a side wall of a corresponding side of the first rack 130 (or the second rack 140).
In this embodiment, by providing the first strip-shaped groove 2311, after the first rack 130 (or the second rack 140) completely enters the feeding platform 2312, the degree of freedom of the first rack 130 (or the second rack 140) on the feeding platform 2312 along the direction perpendicular to the moving direction of the first rack 130 (or the second rack 140) is limited, so that the first pipette tip 131 (or the second pipette tip 141) placed on the first rack 130 (or the second rack 140) is prevented from shaking during the up-and-down movement of the first rack 130 (or the second rack 140) under the action of the first lifting motor 210, and the conveying reliability of the first pipette tip 131 (or the second pipette tip 141) is improved.
Further preferably, the first driving gear 233 is disposed to be offset from the first driven gear 234 on both sides thereof, wherein the first bar groove 2311 is communicated with the first driven gear 234.
In this embodiment, the first driving gear 233 and the first driven gear 234 are disposed in a staggered manner, so that when the first driving gear 233 drives the first driven gears 234 at two sides to rotate, the rotation directions of the two first driven gears 234 are the same, and the first discharging frame 130 (or the second discharging frame 140) smoothly enters the first lifting support 231 or smoothly exits the first lifting support 231, in addition, the two first driven gears 234 are adopted, so that the stability of the first discharging frame 130 (or the second discharging frame 140) in the process of entering or exiting the first lifting support 231 is ensured, and the damage to the sample sucking gun head caused by the inclination of the first discharging frame 130 (or the second discharging frame 140) is avoided.
Preferably, in order to ensure the verticality of the first lifting bracket 231 during the ascending or descending process, a first guide rod 240 is installed on the frame 100, and the first lifting bracket 231 is nested with the first guide rod 240 by a first connecting member.
Preferably, the second lifting assembly 330 includes a second lifting bracket 331, and the second lifting bracket 331 is disposed in a U-shaped structure, wherein the discharging platform 3312 is located at an open end of the U-shaped second lifting bracket 331; the second translation motor 332 is installed at one side of an opening end of the U-shaped second lifting bracket 331, an output end of the second translation motor 332 is connected with a second driving gear 333, and second driven gears 334 are respectively engaged at two sides of the second driving gear 333, wherein when the second lifting bracket 331 is aligned with the first transmission channel 110 (or the second transmission channel 120), the first discharging rack 130 (or the second discharging rack 140) is moved to the second lifting bracket 331 through the transmission motor 180, and when the first discharging rack 130 (or the second discharging rack 140) enters the second lifting bracket 331, the second driving gear 333 and the second driven gear 334 are driven to rotate by the second translation motor 332, so that the first discharging rack 130 (or the second discharging rack 140) completely enters the discharging platform 3312.
Further preferably, two second strip-shaped grooves 3311 are respectively disposed on two side end surfaces of an opening end of the U-shaped second lifting support 331, wherein each second strip-shaped groove 3311 is respectively in insertion fit with a side wall of a corresponding side of the first discharging frame 130 (or the second discharging frame 140).
In this embodiment, by providing the second strip-shaped groove 3311, after the first rack 130 (or the second rack 140) completely enters the discharging platform 3312, the degree of freedom of the first rack 130 (or the second rack 140) on the discharging platform 3312 along the direction perpendicular to the moving direction of the first rack 130 (or the second rack 140) is limited, so as to avoid the shaking of the first and second pipette heads 131 (or 141) placed on the first rack 130 (or the second rack 140) during the up-and-down movement of the first and second lift motors 310, and improve the conveying reliability of the first and second pipette heads 131 (or 141).
Further preferably, the second driving gear 333 is disposed to be offset from the second driven gear 334 at both sides thereof, wherein the second strip-shaped groove 3311 is communicated with the second driven gear 334.
In this embodiment, the second driving gear 333 and the second driven gear 334 are disposed in a staggered manner, so that when the second driving gear 333 drives the second driven gears 334 on two sides to rotate, the rotation directions of the two second driven gears 334 are the same, so that the first discharging frame 130 (or the second discharging frame 140) smoothly enters the second lifting support 331, or smoothly exits the second lifting support 331, in addition, the two second driven gears 334 are adopted, so that the stability of the first discharging frame 130 (or the second discharging frame 140) in the process of entering or exiting the second lifting support 331 is ensured, and the damage to the sample suction gun head due to the inclination of the first discharging frame 130 (or the second discharging frame 140) is avoided.
Preferably, in order to ensure the verticality of the second lifting bracket 331 during the lifting or lowering process, a second guide rod 340 is installed on the frame 100, and the second lifting bracket 331 is nested with the second guide rod 340 by a second connecting member.
The working principle of the sample suction gun head replacing device of the chemiluminescence immunoassay analyzer provided by the invention is as follows: when the first pipette tip 131 is needed, the first lifting bracket 231 descends, the second lifting bracket 331 ascends, so that the first lifting bracket 231 is flush with the second transmission channel 120, and the second lifting bracket 331 is flush with the first transmission channel 110, then the first discharging rack 130 loaded with the first pipette tip 131 enters the second lifting bracket 331 along the first transmission channel 110, the second discharging rack 140 loaded with the second pipette tip 141 enters the first lifting bracket 231 along the second transmission channel 120, and at this time, the pipette needle can extract the first pipette tip 131 from the first discharging rack 130 of the second lifting bracket 331; when the second pipette tip 141 is needed, the first lifting/lowering frame 231 is lifted, the second lifting/lowering frame 331 is lowered, so that the first elevating bracket 231 is flush with the first transferring path 110, and the second elevating bracket 331 is flush with the second transferring path 120, the first rack 130 loaded with the first pipette tips 131 then passes along the first transfer channel 110 into the first lifting carriage 231, the second blowing frame 140 loaded with the second pipette tips 141 enters the second lifting bracket 331 along the second transfer path 120, then, the first lifting frame 231 carrying the first material rack 130 descends, and the second lifting frame 331 carrying the second material rack 140 ascends, so that finally the first lifting frame 231 carrying the first material rack 130 is aligned with the second transmission channel 120, and the second lifting frame 331 carrying the second material rack 140 is aligned with the first transmission channel 110, at this time, the needle is capable of extracting a second pipette tip 141 from the second rack 140 of the second lifting and lowering support 331.
It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a device is changed to chemiluminescence immunoassay appearance's appearance rifle head of inhaling, its characterized in that includes:
the sample sucking gun comprises a rack, a first conveying channel and a second conveying channel, wherein the first conveying channel is used for conveying a first sample sucking gun head, the second conveying channel is used for conveying a second sample sucking gun head, and the first conveying channel and the second conveying channel are arranged up and down;
the first lifting mechanism is arranged on one side of the rack, and a feeding platform is arranged on the first lifting mechanism, wherein the feeding platform is driven to move up and down through the first lifting mechanism, so that the feeding platform is communicated with the first transmission channel or the second transmission channel respectively;
the second lifting mechanism is arranged on the other side of the rack, and a discharging platform is arranged on the second lifting mechanism, wherein the second lifting mechanism drives the discharging platform to move up and down, so that the discharging platform is communicated with the first transmission channel or the second transmission channel respectively;
the first transmission channel is provided with a first transmission mechanism for driving the first material placing frame to horizontally move, the second transmission channel is provided with a second transmission mechanism for driving the second material placing frame to horizontally move, and a steering mechanism is arranged between the first transmission mechanism and the second transmission mechanism, wherein two ends of the steering mechanism are respectively connected with the first transmission mechanism and the second transmission mechanism.
2. The device for replacing the pipette tip of a chemiluminescent immunoassay analyzer according to claim 1, wherein a "closed" circulation mechanism is formed among the first transmission mechanism, the second lifting mechanism, the second transmission mechanism and the first lifting mechanism.
3. The device for replacing the pipette tip of a chemiluminescent immunoassay analyzer according to claim 1, wherein a transmission motor is mounted on the frame, and the output end of the transmission motor is connected to the first transmission mechanism or the output end of the transmission motor is connected to the second transmission mechanism.
4. The device for replacing the sample sucking gun head of the chemiluminescence immunoassay analyzer according to claim 3, wherein the first transmission mechanism comprises first transmission belt wheel assemblies respectively arranged at two ends of the first transmission channel, and the two first transmission belt wheel assemblies are connected through a first belt; the second transmission mechanism comprises second transmission belt wheel assemblies respectively arranged at two ends of the second transmission channel, and the two second transmission belt wheel assemblies are connected through a second belt; the steering mechanism comprises two steering wheels which are arranged on the rack and distributed up and down, and the two steering wheels are connected through a third belt, wherein the third belt is arranged in an 8 shape, the output end of the transmission motor is connected with an output wheel, and the output wheel is connected onto the first belt or the second belt.
5. The device for replacing the pipette tip of the chemiluminescent immunoassay analyzer according to claim 4, wherein the first transmission channel and the second transmission channel are respectively provided with a tensioning assembly which is a first tensioning assembly and a second tensioning assembly, wherein the first tensioning assembly comprises a first adjusting plate connected to the frame, the first adjusting plate is connected with a first tensioning wheel capable of moving along the length direction of the first adjusting plate, and the surface of the first tensioning wheel is attached to a first belt; the second tensioning assembly comprises a second adjusting plate connected to the frame, and a second tensioning wheel capable of moving along the length direction of the second adjusting plate is connected to the second adjusting plate, wherein the surface of the second tensioning wheel is attached to the second belt.
6. The device for replacing the pipette tip of the chemiluminescence immunoassay analyzer according to claim 4, wherein the first lifting mechanism comprises a first lifting motor mounted on the frame, and the output end of the first lifting motor is connected with a first lifting pulley component, wherein the first lifting pulley component is connected with the first lifting component, and the feeding platform is positioned on the first lifting component; the second lifting mechanism comprises a second lifting motor arranged on the rack, the output end of the second lifting motor is connected with a second lifting belt pulley component, a second lifting assembly is connected onto the second lifting belt pulley component, and the discharging platform is located on the second lifting assembly.
7. The device for replacing the pipette tip of the chemiluminescence immunoassay analyzer of claim 6, wherein one end of the first elevating pulley assembly is connected to the output end of the first elevating motor, and the other end of the first elevating pulley assembly is connected to one of the first driving pulley assemblies; one end of the second lifting belt pulley component is connected with the output end of the second lifting motor, and the other end of the second lifting belt pulley component is connected with the other first transmission belt pulley component.
8. The device for replacing the pipette tip of the chemiluminescence immunoassay analyzer according to claim 6, wherein the first lifting assembly comprises a first lifting bracket, and the first lifting bracket is arranged in a U-shaped structure, wherein the feeding platform is positioned at the open end of the U-shaped first lifting bracket; the first translation motor is arranged on one side of the opening end of the U-shaped first lifting support, the output end of the first translation motor is connected with a first driving gear, and two sides of the first driving gear are respectively meshed with first driven gears; the second lifting assembly comprises a second lifting support, the second lifting support is arranged in a U-shaped structure, and the discharging platform is positioned at the opening end of the U-shaped second lifting support; and the second translation motor is arranged on one side of the opening end of the U-shaped second lifting support, the output end of the second translation motor is connected with a second driving gear, and two sides of the second driving gear are respectively meshed with a second driven gear.
9. The device for replacing the pipette tip of the chemiluminescence immunoassay analyzer according to claim 8, wherein the end faces of both sides of the open end of the U-shaped first lifting bracket are respectively provided with a first strip-shaped groove, wherein the first strip-shaped grooves are in insertion fit with the side walls of the first discharging frame or the second discharging frame, and the first strip-shaped grooves are communicated with the first driven gear; and second strip-shaped grooves are respectively arranged on the end surfaces of two sides of the opening end of the U-shaped second lifting support, wherein the second strip-shaped grooves are in plug fit with the side walls of the first discharging frame or the second discharging frame, and the second strip-shaped grooves are communicated with the second driven gear.
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| CN202110317248.0A CN112791757B (en) | 2021-03-25 | 2021-03-25 | Device for replacing sample suction gun head of chemiluminescence immunoassay analyzer |
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| CN202110317248.0A CN112791757B (en) | 2021-03-25 | 2021-03-25 | Device for replacing sample suction gun head of chemiluminescence immunoassay analyzer |
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| CN112791757B true CN112791757B (en) | 2021-07-06 |
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| CN114397469B (en) * | 2022-03-24 | 2022-08-30 | 宁波海壹生物科技有限公司 | Consumable collecting equipment of full-automatic chemiluminescence analyzer |
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| CN112791757A (en) | 2021-05-14 |
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Address after: 315040 east area, 4th floor, building 044, 66 Qingyi Road, high tech Zone, Ningbo City, Zhejiang Province Patentee after: Ningbo Haiershi Intelligent Manufacturing Co.,Ltd. Address before: 315040 East, 4th floor, building 044, 66 Qingyi Road, high tech Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO HAIYI BIOTECHNOLOGY CO.,LTD. |