CN220004096U - Gun head split charging device of pipetting gun - Google Patents
Gun head split charging device of pipetting gun Download PDFInfo
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- CN220004096U CN220004096U CN202321509614.3U CN202321509614U CN220004096U CN 220004096 U CN220004096 U CN 220004096U CN 202321509614 U CN202321509614 U CN 202321509614U CN 220004096 U CN220004096 U CN 220004096U
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- blanking
- bottom plate
- plate
- groove
- screen box
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- 238000009434 installation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 13
- 230000005484 gravity Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to the technical field of inspection equipment, and provides a gun head split charging device of a pipetting gun; the utility model relates to a gun head split charging device of a pipetting gun, which comprises a frame, and a material distributing module, a flow guiding groove plate and a collecting groove plate which are arranged on the frame, wherein the material distributing module comprises: the blanking cylinder is vertically arranged and communicated with the bottom of the hopper; the screen box is arranged in the blanking cylinder in a vertically sliding way and cuts off the blanking cylinder; the screen box comprises an inclined bottom plate and baffle plates, the baffle plates are arranged on the inclined bottom plate at intervals, adjacent baffle plates and the inclined bottom plate enclose a screen groove with the same inclination direction as the inclined bottom plate, and blanking ports are respectively arranged at the lower ends of the screen grooves; the lifting driving mechanism is connected with the screen box and can drive the screen box to slide up and down in the blanking cylinder; the diversion groove plate and the collection groove plate are respectively provided with a diversion groove and a collection groove for collecting the liquid-transferring gun head from the blanking port. The multi-row pipette gun head has the advantages of simple structure, capability of simultaneously split charging multiple rows of pipette gun heads, low split charging cost and high efficiency.
Description
Technical Field
The utility model relates to the technical field of inspection equipment, in particular to a gun head split charging device of a pipetting gun.
Background
The pipette is a liquid sucking device commonly used in laboratories of biology, medicine and the like, and is usually matched with a disposable pipette tip for use together. The pipette tip is a conical tubular body, and the top end of the pipette tip is provided with a circular bayonet. The pipette tips in the current market are mostly in bulk, and before use, manual sub-packaging into gun tip boxes is needed. The gun head box is a box body with a porous panel, the lower part of the liquid-transferring gun head stretches into the box body through the panel hole, and the top end of the liquid-transferring gun head is clamped on the panel. Manual dispensing of pipette tips is time consuming and laborious, and contaminates the tips easily during dispensing.
Currently existing gun heads are divided into two types. The full-automatic gun head boxing machine has the advantages of complex structure, difficult maintenance, high price and low popularization rate. The other is a simple gun head loading device, the cost is lower, but only one row of gun heads can be split at a time, repeated operation is needed, and the efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a gun head split charging device of a pipetting gun; so as to solve the problems of high gun head split charging cost and low efficiency.
In order to achieve the above purpose, the pipette gun head split charging device of the utility model comprises a frame, a material distributing module, a flow guiding groove plate and a collecting groove plate, wherein the material distributing module, the flow guiding groove plate and the collecting groove plate are arranged on the frame, and the material distributing module comprises:
the blanking cylinder is vertically arranged and communicated with the bottom of the hopper;
the screen box is arranged in the blanking cylinder in a vertically sliding way and cuts off the blanking cylinder; the screen box comprises an inclined bottom plate and a baffle plate, wherein the baffle plates are arranged on the inclined bottom plate at intervals, adjacent baffle plates and the inclined bottom plate enclose a screen groove with the same inclination direction as the inclined bottom plate, and blanking ports are respectively arranged at the lower ends of the screen grooves;
the lifting driving mechanism is connected with the screen box and can drive the screen box to slide up and down in the blanking barrel;
and the diversion groove plate and the collection groove plate are respectively provided with a diversion groove and a collection groove for collecting the liquid-transferring gun head from the blanking port.
According to the pipette gun head split charging device in the technical scheme, when the pipette gun head split charging device is used, the pipette gun heads in bulk are poured into the hopper, the lifting driving mechanism drives the screen box to slide up and down so that the pipette gun heads in messy vibration directions fall into the screen groove under the action of gravity, and then slide into the blanking port along the screen groove. The liquid-transferring gun heads slide into the collecting tanks through the blanking openings and the diversion trenches and are sequentially arranged in the collecting tanks, so that the liquid-transferring gun heads in the collecting tanks can be conveniently placed into gun head boxes. The liquid-transfering gun head split charging device in the technical scheme has the advantages of simple structure, low cost, convenient operation and high split charging efficiency.
In one embodiment, a rotating plate is further arranged in the sieve groove, one end of the rotating plate is rotatably connected with the upper end of the sieve groove, and the other end of the rotating plate extends towards the blanking port along the inclined bottom plate; and a push rod is further arranged in the blanking barrel, and the screen box slides downwards along the blanking barrel to enable the push rod to penetrate through the inclined bottom plate to push the rotating plate to rotate.
The rotating plate rotates to push the liquid-transferring gun head which is not dropped near the blanking port, so that the liquid-transferring gun head is convenient to drop out from the blanking port.
In one embodiment, the lifting driving mechanism comprises a connecting rod, a crank rod and a rotary driver, and the connecting rod, the crank rod and the rotary driver, the blanking barrel and the screen box form a crank slide block mechanism.
In one embodiment, the rotary drive is an electric motor.
In one embodiment, the distance between two adjacent sides of the two adjacent partition boards is larger than the diameter of the bayonet section at the top end of the pipette tip and not larger than 1.5 times the diameter of the bayonet section at the top end of the pipette tip.
The interval between the baffles only holds a liquid-transfering gun head, is convenient for liquid-transfering gun head to slide to blanking mouth in the sieve inslot.
In one embodiment, the length and width of the blanking port is greater than the diameter of the tip bayonet section of the pipette tip and no greater than 1.5 times the diameter of the tip bayonet section of the pipette tip.
The blanking mouth only blanking one liquid-transferring gun head at a time, so that the liquid-transferring gun heads are convenient to be arranged in the diversion trench after falling into the diversion trench.
In one embodiment, the top end of the partition plate is further provided with a guide surface, which is inclined downward toward the screen slot.
By means of the guide surface, the pipette tip is more likely to fall into the sieve groove during vibration.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
FIG. 1 is a front cross-sectional view of a dispensing device for pipette tips according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the sifter box shown in FIG. 1;
FIG. 3 is a schematic diagram of a dispensing device for pipette tips shown in FIG. 1;
reference numerals:
1-material distributing module, 11-hopper, 12-blanking cylinder, 121-ejector rod, 13-screen box, 131-inclined bottom plate, 132-baffle, 1321-guide surface, 133-screen groove, 134-guide hole, 135-blanking port, 136-hinged support, 14-rotating plate, 15-lifting driving mechanism, 151-connecting rod, 152-crank rod, 153-rotating driver, 2-guide groove plate, 21-guide groove, 3-collecting groove plate, 31-collecting groove and 4-liquid-transferring gun head.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
Referring to fig. 1 to 3, a dispensing device for a pipette tip of the present utility model includes a rack (not shown), a dispensing module 1, a guide chute 2 and a collecting chute 3 mounted on the rack, wherein the dispensing module 1 includes a hopper 11, a blanking barrel 12, a screen box 13 and a lifting driving mechanism 15; the gun head split charging has low cost and high efficiency.
Specifically, the blanking cylinder 12 is vertically arranged and is communicated with the bottom of the hopper 11. The hopper 11 and the blanking barrel 12 are mounted on the frame. In one embodiment, the blanking cylinder 12 has a rectangular cylindrical structure with two open ends. The blanking barrel 12 is vertically arranged on the frame, and the lower end of the upper hopper 11 of the blanking barrel 12 is connected. The frame is used for supporting and installing all parts of the pipette tip split charging device, and the concrete structure can be realized by adopting various existing structures.
The screen box 13 is slidably disposed in the blanking cylinder 12 up and down and partitions the blanking cylinder 12. The screen box 13 includes an inclined bottom plate 131 and a partition 132. The partition plates 132 are arranged on the inclined bottom plate 131 at intervals, and the adjacent partition plates 132 and the inclined bottom plate 131 enclose a sieve groove 133 with the same inclination direction as the inclined bottom plate 131. The lower ends of the sieve grooves 133 are respectively provided with blanking ports 135. Specifically, the screen box 13 is arranged at one end of the blanking barrel 12 close to the hopper 11, and the screen box 13 cuts off the blanking barrel 12, so that the pipette tip 4 can only fall down through the screen box 13. The partitions 132 are disposed in parallel with each other and uniformly on the upper surface of the inclined bottom plate 131. The direction of distribution of the partition plates 132 is parallel to the direction of inclination of the inclined bottom plate 131. In one embodiment, the screen box 13 has a rectangular box structure corresponding to the cross section of the blanking cylinder 12. The rectangular box structure has an opening at the top and an inclined bottom plate 131 at the bottom. The inclined bottom plate 131 is inclined downward in the width direction of the rectangular box structure, and the partition 132 is disposed in the length direction of the rectangular box structure. The downwardly inclined grooves formed by the adjacent partition plates 132 and the inclined bottom plate 131 are sieve grooves 133. At the inclined lower end of the screen slot 133, an opening is provided on the inclined bottom plate 131 to form a blanking port 135.
In one embodiment, the spacing between adjacent sides of two adjacent spacers 132 is greater than the diameter of the bayonet section at the top end of the pipette tip 4 and not greater than 1.5 times the diameter of the bayonet section at the top end of the pipette tip 4. The spacing between adjacent partitions 132 can accommodate only one pipette tip 4, thereby avoiding a situation where multiple pipette tips 4 are difficult to slide side by side between partitions 132. Facilitating sliding of the pipette tip 4 within the screen slot 133 toward the blanking port 135. In one embodiment, the length and width of the blanking port 135 is greater than the diameter of the top bayonet section of the pipette tip 4 and no greater than 1.5 times the diameter of the top bayonet section of the pipette tip 4. The size of the blanking port 135 is only enough for one pipette tip 4 to pass through at a time, so that the pipette tips 4 can be conveniently arranged in the diversion trench 21 after falling into the diversion trench 21. The simultaneous falling out of a plurality of pipette tips 4 is prevented from causing mutual collision, so that the pipette tips 4 cannot accurately fall into the diversion trenches 21. In one embodiment, the top end of the partition 132 is further provided with a guide surface 1321, and the guide surface 1321 is inclined downward toward the screen slot 133. By the guide surface 1321, the pipette tip 4 is more likely to fall into the sieve groove 133 when vibrated.
The lift drive mechanism 15 is connected to the screen box 13, and the lift drive mechanism 15 can drive the screen box 13 to slide up and down in the blanking cylinder 12. Specifically, the lift drive mechanism 15 includes a link 151, a crank lever 152, and a rotation driver 153. The connecting rod 151, crank rod 152 and rotary drive 153 together with the blanking barrel 12 and the sieve box 13 constitute a crank block mechanism. The screen box 13 constitutes a slider of a crank slider mechanism, and the rotary driver 153 rotates to drive the screen box 13 to slide up and down in the blanking cylinder 12. When the screen box 13 slides up and down in the blanking barrel 12, the pipette tip 4 in the hopper 11 vibrates along with the screen box 13, and the vibration changes the orientation of the pipette tip 4, so that the pipette tip can fall into the screen groove 133. In one embodiment, the bottom of the screen box 13 is further provided with a hinge support 136, and the screen box 13 is hinged to the connecting rod 151 through the hinge support 136. In one embodiment, the rotary drive 153 is an electric motor.
In one embodiment, a rotating plate 14 is also disposed within the screen slot 133. One end of the rotating plate 14 is rotatably connected to the upper end of the screen slot 133, and the other end of the rotating plate 14 extends along the inclined bottom plate 131 toward the blanking port 135. A push rod 121 is also arranged in the blanking barrel 12. The screen box 13 slides down the blanking cylinder 12 to enable the ejector rod 121 to penetrate through the inclined bottom plate 131 to push the rotating plate 14 to rotate. Specifically, the upper end of the rotating plate 14 is hinged to the upper end of the screen slot 133. Under the action of gravity, the lower end of the rotating plate 14 is attached to the inclined bottom plate 131 at the bottom of the sieve groove 133. The sieve box 13 is provided with guide holes 134, and each guide hole 134 corresponds to the rotating plate 14. The ejector pins 121 in the blanking cylinder 12 correspond to the guide holes 134. When the screen box 13 slides downward, the ejector rod 121 passes through the guide hole 134 to abut against the rotating plate 14, and pushes the rotating plate 14 to rotate. When the rotating plate 14 rotates, the rotating plate 14 can push the pipette tips 4 which are not dropped near the blanking port 135, so that the pipette tips 4 can conveniently drop from the blanking port 135.
The diversion trench plate 2 and the collection trench plate 3 are respectively provided with a diversion trench 21 and a collection trench 31 for collecting the pipette tips 4 from the blanking openings 135. The guide chute plate 2 and the collecting chute plate 3 are disposed below the blanking port 135. The diversion trenches 21 and the collection trenches 31 are in one-to-one correspondence with the blanking openings 135. The diversion trench 21 is used for receiving the falling pipette tip 4 from the blanking port 135 and conveying the pipette tip 4 into the collection trench 31 under the action of gravity. The bottom of the diversion trench 21 is provided with a hollowed-out opening. When the liquid-transferring gun head 4 falls into the diversion trench 21, the top end of the liquid-transferring gun head 4 is clamped on two sides of the hollowed-out opening under the action of gravity, and the conical pipe section of the liquid-transferring gun head 4 extends out of the bottom of the hollowed-out opening. The collecting tank 31 has the same structure as the diversion trench 21, and the specific structures of the diversion trench 21 and the collecting tank 31 can be the structures in the prior art.
According to the pipette tip split charging device in the above technical scheme, when in use, the bulk pipette tips 4 are poured into the hopper 11, the lifting driving mechanism 15 drives the screen box 13 to slide up and down so that the pipette tips 4 with messy vibration directions can fall into the screen groove 133 under the action of gravity, and then slide into the blanking port 135 along the screen groove 133. The pipette tips 4 slide into the collecting grooves 31 through the blanking openings 135 and the diversion trenches 21 and are sequentially arranged in the collecting grooves 31, so that the pipette tips 4 in the collecting grooves 31 can be conveniently placed into the tip box. According to the technical scheme, the gun head split charging device of the pipetting gun is simple in structure, so that the pipette gun is convenient to maintain, and the cost is lower compared with that of a full-automatic gun head boxing machine; the plurality of blanking ports 135 and the collecting tank 31 are adopted, so that the multi-row pipetting gun heads 4 can be separated at one time, the operation is convenient, and the separation efficiency is high.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The utility model provides a pipette rifle head partial shipment device, includes frame and last feed module, water conservancy diversion frid and the collecting vat board of installation, its characterized in that, feed module includes:
the blanking cylinder is vertically arranged and communicated with the bottom of the hopper;
the screen box is arranged in the blanking cylinder in a vertically sliding way and cuts off the blanking cylinder; the screen box comprises an inclined bottom plate and a baffle plate, wherein the baffle plates are arranged on the inclined bottom plate at intervals, adjacent baffle plates and the inclined bottom plate enclose a screen groove with the same inclination direction as the inclined bottom plate, and blanking ports are respectively arranged at the lower ends of the screen grooves;
the lifting driving mechanism is connected with the screen box and can drive the screen box to slide up and down in the blanking barrel;
and the diversion groove plate and the collection groove plate are respectively provided with a diversion groove and a collection groove for collecting the liquid-transferring gun head from the blanking port.
2. The pipette gun head split charging device according to claim 1, wherein a rotating plate is further arranged in the sieve groove, one end of the rotating plate is rotatably connected with the upper end of the sieve groove, and the other end of the rotating plate extends towards the blanking port along the inclined bottom plate; and a push rod is further arranged in the blanking barrel, and the screen box slides downwards along the blanking barrel to enable the push rod to penetrate through the inclined bottom plate to push the rotating plate to rotate.
3. The pipette gun tip dispensing device of claim 1 wherein said lift drive mechanism includes a connecting rod, a crank rod and a rotary drive, said connecting rod, said crank rod and said rotary drive forming a crank block mechanism with said blanking barrel and said screen box.
4. A pipette tip dispensing device as recited in claim 3 wherein said rotary drive is an electric motor.
5. The pipette tip dispensing device as recited in claim 1 wherein the spacing between adjacent sides of two adjacent baffles is greater than the diameter of the tip bayonet section of the pipette tip and no greater than 1.5 times the diameter of the tip bayonet section of the pipette tip.
6. The pipette tip dispensing device as recited in claim 5 wherein the length and width of said blanking port is greater than the diameter of the pipette tip bayonet section and no greater than 1.5 times the diameter of the pipette tip bayonet section.
7. The pipette tip dispensing device as recited in claim 1 wherein said top end of said separator plate is further provided with a guide surface, said guide surface being inclined downwardly toward said screen slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509614.3U CN220004096U (en) | 2023-06-14 | 2023-06-14 | Gun head split charging device of pipetting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321509614.3U CN220004096U (en) | 2023-06-14 | 2023-06-14 | Gun head split charging device of pipetting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004096U true CN220004096U (en) | 2023-11-14 |
Family
ID=88689143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321509614.3U Active CN220004096U (en) | 2023-06-14 | 2023-06-14 | Gun head split charging device of pipetting gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004096U (en) |
-
2023
- 2023-06-14 CN CN202321509614.3U patent/CN220004096U/en active Active
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