CN217313480U

CN217313480U - Medicament adding device

Info

Publication number: CN217313480U
Application number: CN202220740991.7U
Authority: CN
Inventors: 李健平; 赖远强; 叶嘉坤; 樊蔚
Original assignee: Jiangsu Laier Biological Medicine Technology Co ltd
Current assignee: Jiangsu Laier Biological Medicine Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-30
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of cell detection, and discloses a medicament adding device, which comprises a conveying pipe, a gun head, a reagent rack, a base frame, a mechanical arm and a separating mechanism; a liquid outlet is formed at the bottom end of the conveying pipe; the gun head comprises a through pipe and a lantern ring sleeved at the bottom of the conveying pipe, the lantern ring is fixed at the top end of the through pipe, and the through pipe is communicated with the lantern ring; the reagent rack is provided with at least one reagent position for placing a test tube; a placing groove for placing the gun head is arranged on the base frame; the mechanical arm can drive the conveying pipe to move between the placing groove and the reagent position or drive the conveying pipe to move in the vertical direction; the separation mechanism comprises a buckling claw for buckling the gun head and a recovery mechanism for recovering the gun head, and the recovery mechanism is located below the buckling claw, so that the gun head is automatically replaced, the detection efficiency is improved, and the accuracy of the detection effect is improved.

Description

Medicament adding device

Technical Field

The utility model relates to a cell detection technology field especially relates to a medicament adds device.

Background

In a blood cell separation test, a plurality of reagents are usually added to a test tube containing a blood sample, each reagent is separately contained in one test tube in order to prevent cross contamination of the reagents, and a separate suction head is required for each reagent in use, or the suction head is cleaned before another liquid is sucked.

If the head is drawn in manual change, staff operating efficiency is very low, if wash the head of drawing before another kind of liquid is drawn, influence efficiency, and if wash thoroughly or washing liquid is remained, will lead to the test result to produce the deviation to influence the accuracy of test result.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the suction head is replaced manually or washed, the efficiency is low, and the detection result is inaccurate due to improper operation.

In order to solve the technical problem, the utility model provides a medicament adding device, which comprises a conveying pipe, a gun head, a reagent rack, a base frame, a mechanical arm and a separation mechanism; a liquid outlet is formed in the bottom end of the conveying pipe; the gun head comprises a through pipe and a lantern ring sleeved at the bottom of the conveying pipe, the lantern ring is fixed at the top end of the through pipe, and the through pipe is communicated with the lantern ring; the reagent rack is provided with at least one reagent position for placing a test tube; a placing groove for placing the gun head is arranged on the base frame; the mechanical arm can drive the conveying pipe to move between the placing groove and the reagent position or drive the conveying pipe to move in a vertical direction; the separation mechanism comprises a buckling claw for buckling the gun head and a recovery mechanism for recovering the gun head, and the recovery mechanism is positioned below the buckling claw.

In some embodiments, the bottom of the conveying pipe is cylindrical, the lantern ring is circular, one end of the fastening claw is provided with a circular arc-shaped notch, the caliber of the notch is larger than the diameter of the bottom of the conveying pipe, and the caliber of the notch is smaller than the outer diameter of the lantern ring.

In some embodiments, the bottom end of the notch edge is provided with a chamfer or a radiused angle.

In some embodiments, the fastening claw is located above the base frame, the disengagement mechanism includes a first cylinder and a first slider, a piston rod of the first cylinder is connected with the first slider, the fastening claw is fixed with the first slider, and the first cylinder drives the fastening claw to translate.

In some embodiments, the first disengaging mechanism includes a disengaging motor, a disengaging screw, a second slider and a disengaging rail, the disengaging motor is connected to the disengaging screw, the disengaging motor drives the disengaging screw to rotate, the disengaging screw passes through the second slider and is engaged with the second slider, the second slider is mounted on the disengaging rail and slides along the disengaging rail, the latch is located above the base frame, and the latch is fixed to the second slider.

In some embodiments, the bottom surface of the fastening claw is provided with a blocking arm, the blocking arm extends from the bottom surface of the fastening claw to the direction of the disengaging motor, the bottom surface of the disengaging motor is provided with a photoelectric door, and the photoelectric door is positioned on the moving path of the blocking arm.

In some embodiments, the mechanical arm includes a second driving mechanism, a mounting plate, and a third driving mechanism, the second driving mechanism is connected to the mounting plate and drives the mounting plate to move in the horizontal direction, the third driving mechanism is mounted on the mounting plate, and the third driving mechanism is connected to the delivery pipe and drives the delivery pipe to move in the vertical direction.

In some embodiments, the reagent adding device further comprises a base and a fourth driving mechanism, the reagent rack and the base frame are mounted on the base, the fourth driving mechanism is connected with the base, the fourth driving mechanism drives the base to translate, and the moving direction of the base is the same as the moving direction of the second sliding block.

In some embodiments, the through pipe is in a shape of a circular pipe, the aperture of the opening of the placing groove is larger than the outer diameter of the through pipe, and the aperture of the opening of the placing groove is smaller than the outer diameter of the sleeve ring.

In some embodiments, the bottom of the delivery tube is boss-shaped, and the diameter of the bottom of the delivery tube is gradually reduced from top to bottom.

The embodiment of the utility model provides a medicament adds device compares with prior art, and its beneficial effect lies in:

rifle head detachably cover is outside the conveying pipe, make when needs absorb different types of liquid, can change the rifle head, avoid influencing the testing result, and the cooperation is detained the claw and is pulled out the rifle head, realize that the automatic rifle head of changing replaces artifical manual change rifle head, the change efficiency has been improved, and need not wash the rifle head, the simplified operation flow, and the operation efficiency is improved, thereby when automatic reagent that adds, can change the rifle head automatically, prevent to cause the liquid mixing because of the misoperation, avoid influencing the interpolation quantity and the concentration of liquid, ensure the accuracy of experimental result.

Drawings

Fig. 1 is a schematic structural view of a chemical adding apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a robot arm according to an embodiment of the present invention;

fig. 3 is a schematic view of a combination of a delivery tube and a lance head according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a detachment mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a lance head according to an embodiment of the present invention.

In the figure, 1, a delivery pipe; 11. a liquid outlet; 2. a gun head; 21. pipe passing; 22. a collar; 3. a reagent rack; 31. a reagent site; 4. a base frame; 41. a placement groove; 5. a mechanical arm; 51. a second drive mechanism; 52. mounting a plate; 53. a third drive mechanism; 6. a disengagement mechanism; 61. buckling claws; 611. a notch; 612. chamfering; 62. disengaging the motor; 63. a slide rail; 64. a first slider; 65. a blocking arm; 66. a photogate; 7. a base; 8. and a fourth driving mechanism.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like are used in the present invention as indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides a device is added to medicament of preferred embodiment, it includes conveyer pipe 1, rifle head 2, reagent frame 3, bed frame 4, arm 5 and disengagement mechanism 6, arm 5 drives conveyer pipe 1 removes, makes conveyer pipe 1 can be to the test tube injection liquid on the reagent frame 3, and rifle head 2 can overlap on conveyer pipe 1, and the liquid of conveyer pipe 1 output can be carried into rifle head 2, and the output of the bottom of rifle head 2 again, and rifle head 2 can stretch into in the test tube, prevents that conveyer pipe 1 is direct and the liquid contact in the test tube.

As shown in fig. 1-6, a liquid outlet 11 is formed at the bottom end of the conveying pipe 1, the conveying pipe 1 is used for externally connecting a liquid path system and a modular injector, the liquid path system outputs liquid from the liquid outlet 11 through the conveying pipe 1, and when the conveying pipe 1 is sleeved on the gun head 2, the liquid enters the gun head 2 from the liquid outlet 11. The module injector is similar to a needle cylinder, liquid is sucked through the reciprocating motion of the piston, when the conveying pipe is needed to blow and beat the liquid, the module injector acts, the module injector pumps the liquid through the pipeline of the liquid path system and the conveying pipe 1, and then the liquid is pumped out repeatedly for several times, so that the liquid is blown and beaten. The lance head 2 is integrally made of plastic, the lance head 2 comprises a through pipe 21 and a lantern ring 22 sleeved at the bottom of the conveying pipe 1, and the lantern ring 22 has certain elasticity and is conveniently sleeved at the bottom of the conveying pipe 1. The lantern ring 22 is fixed at the top end of the through pipe 21, the through pipe 21 and the lantern ring 22 are integrally formed, the through pipe 21 is communicated with the lantern ring 22, when the gun head 2 is sleeved on the conveying pipe 1, liquid firstly enters the lantern ring 22, then flows to the through pipe 21, and finally is output from a hole at the bottom end of the through pipe 21. The tube 21 has a certain volume inside it for storing liquid.

As shown in FIGS. 1 to 4, the reagent rack 3 is provided with at least one reagent site 31 for placing test tubes, the number of the reagent racks 3 can be adjusted according to the type of the test, in this embodiment, there are three reagent racks 3, one of which is used for containing various solutions for decomposing cells, one of the reagent racks 3 is a shaking table for shaking up the test tubes for containing blood samples, and one of the reagent racks 3 is a magnetic rack for interacting with the magnetic bead solution. In this embodiment, the base frame 4 is provided with a placing groove 41 for placing the lance tip 2, and in this embodiment, the base frame 4 is provided with two rows of placing grooves 41, each row containing six placing grooves 41. In other embodiments, the number of the placing slots 41 can be set according to actual needs.

As shown in fig. 1 to 3, the robot arm 5 can drive the transport tube 1 to move between the placement slot 41 and the reagent site 31 or drive the transport tube 1 to move in a vertical direction. The disengaging mechanism 6 comprises a buckling claw 61 for buckling the gun head 2 and a recovering mechanism for recovering the gun head, and the recovering mechanism is positioned below the buckling claw 61. In some embodiments, the disengaging mechanism 6 includes a driving member connected to the latch 61, the latch 61 is located above the base frame 4, and the driving member drives the latch 61 to extend directly above the placement slot 41 or away from the placement slot 41. After the mechanical arm 5 moves the conveying pipe 1 sleeved with the gun heads 2 to the empty placing groove 41, the conveying pipe 1 can be lowered, the driving part extends the buckling claws 61 to the conveying pipe 1, the buckling claws 61 buckle the gun heads 2 of the conveying pipe 1, the mechanical arm 5 moves upwards, and the buckling claws 61 pull out the gun heads 2 on the conveying pipe 1.

As shown in fig. 1 to 6, in this embodiment, the bottom of the conveying pipe 1 is cylindrical, the collar 22 is annular, one end of the fastening claw 61 is provided with an arc-shaped notch 611, the aperture of the notch 611 is larger than the diameter of the bottom of the conveying pipe 1, the aperture of the notch 611 is smaller than the outer diameter of the collar 22, the conveying pipe 1 can enter the notch 611, the collar 22 cannot extend into the notch 611, when the conveying pipe 1 is located in the notch 611 and the lance tip 2 is located right below the notch 611, only by raising the conveying pipe 1, the fastening claw 61 can abut against the upper end of the collar 22 and prevent the collar 22 from raising, and at this time, the conveying pipe 1 can be separated from the lance tip 2. The bottom end of the edge of the notch 611 is provided with a chamfer 612 or an arc angle, the chamfer 612 or the arc angle can increase the adaptability of the snap claw 61 and the lance head 2, taking the chamfer 612 as an example, when the lance head 2 is pulled out from the conveying pipe 1, the lantern ring 22 can abut against the chamfer 612, although the lantern ring 22 is deformed due to stress, the chamfer 612 can provide an inclined transition surface, so that the chamfer 612 can ensure that the lantern ring 22 is fully contacted with the snap claw 61, and the pulling-out process of the lantern ring 22 is smoother. In other embodiments, the buckling claws 61 are openable and closable clamps which are driven by a motor to open and close, when the gun head 2 needs to be pulled out, the motor controls the clamps to open, the clamps extend to the lantern ring 22, the motor controls the clamps to clamp the lantern ring 22, the mechanical arm 5 controls the conveying pipe 1 to ascend, and the gun head 2 can be separated from the conveying pipe 1.

In other embodiments, the recovery mechanism is separate from the base frame 4, the recovery mechanism may be a barrel or a bag, the latch 61 is fixed directly above the recovery mechanism, the latch 61 is also provided with the arc-shaped notch 611 without a driving component, and the latch 61 does not need to move, when the conveying pipe 1 moves into the notch 611 and the gun head 2 is located directly below the notch 611, only the conveying pipe 1 needs to be lifted, the latch 61 can abut against the upper end of the collar 22 and prevent the collar 22 from lifting, at this time, the conveying pipe 1 can be separated from the gun head 2, and the gun head 2 falls into the recovery mechanism due to gravity.

As shown in fig. 2 to 5, in the present embodiment, the driving unit is composed of a disengagement motor 62, a disengagement screw 62, a second slider 64, and a disengagement slide 63, the disengagement motor 62 is connected to the disengagement screw, the disengagement motor 62 drives the disengagement screw to rotate, the disengagement screw passes through the second slider 64 and is engaged with the second slider 64, and the disengagement slide 63 extends in the y-axis direction. The second sliding block 64 is mounted on the disengaging slide rail 63 and slides along the disengaging slide rail 63, the latch 61 is located above the base frame 4, and the latch 61 is fixed to the second sliding block 64. When the disengagement motor 62 drives the disengagement screw to rotate, the second slider 64 slides along the disengagement slide 63, so that the catch 61 is translated. The bottom surface of the buckling claw 61 is provided with a blocking arm 65, the blocking arm 65 extends from the bottom surface of the buckling claw 61 to the direction of the disengaging motor 62, the bottom surface of the disengaging motor 62 is provided with a photoelectric door 66, the photoelectric door 66 is positioned on the moving path of the blocking arm 65, when the disengaging motor 62 controls the piston rod to retract, the blocking arm 65 moves towards the photoelectric door 66 along with the second sliding block 64, and when the blocking arm 65 is positioned in the middle of the photoelectric door 66, the photoelectric door 66 sends a signal, and the disengaging motor 62 stops working. The photoelectric gate 66 can indirectly act as a limit for the latch 61 and serve as a starting point for the resetting of the second slider 64.

In other embodiments, the first driving mechanism comprises a first cylinder, a disengagement slide 63 and a first slider mounted on the disengagement slide 63, which slides along the disengagement slide 63. And the disengaging slide rail 63 extends along the y-axis direction, the piston rod of the first cylinder is connected with the first slide block, the buckling claw 61 is fixed with the first slide block, when the piston rod of the first cylinder extends, the first slide block slides along the disengaging slide rail 63, and the buckling claw 61 translates right above the placing groove 41.

As shown in fig. 1 to 3, the mechanical arm 5 includes a second driving mechanism 51, a mounting plate 52, and a third driving mechanism 53, in this embodiment, the second driving mechanism 51 is a common belt-type linear guide sliding table in the market, the mounting plate 52 is fixed on the sliding table of the second driving mechanism 51, and the second driving mechanism 51 drives the mounting plate 52 to move horizontally along the x-axis. In other embodiments, the second driving mechanism 51 may be a cylinder, wherein a piston rod of the second driving mechanism 51 is fixed to the mounting plate 52. The third driving mechanism 53 is installed on the installation plate 52, the third driving mechanism 53 is a common belt type linear guide sliding table on the market, the conveying pipe 1 is installed on the sliding table of the third driving mechanism 53, and the third driving mechanism 53 drives the conveying pipe 1 to move vertically along the vertical axis z. In other embodiments, the third driving mechanism 53 may be a pneumatic cylinder, wherein a piston rod of the third driving mechanism 53 is fixed to the delivery tube 1.

As shown in fig. 1 to 4, the medicament adding device further includes a base 7 and a fourth driving mechanism 8, the reagent rack 3 and the base frame 4 are mounted on the base 7, and the fourth driving mechanism 8 is connected to the base 7. In this embodiment, the fourth driving mechanism 8 is a common belt-type linear guide sliding table on the market, the base 7 is installed on the sliding table of the fourth driving mechanism 8, the fourth driving mechanism 8 drives the base 7 to horizontally move along the y-axis, and the moving direction of the base 7 is the same as the moving direction of the second slider 64. In other embodiments, the fourth driving mechanism 8 may be a cylinder, wherein a piston rod of the fourth driving mechanism 8 is fixed to the base 7. Through the cooperation of second actuating mechanism 51, third actuating mechanism 53, fourth actuating mechanism 8 for conveyer pipe 1 can be the diversified motion of triaxial relatively the test tube, satisfies conveyer pipe 1 and to the infusion requirement of different test tubes.

As shown in fig. 1 to 6, the through pipe 21 is in a circular tube shape, the aperture of the opening of the placement groove 41 is larger than the outer diameter of the through pipe 21, the aperture of the opening of the placement groove 41 is smaller than the outer diameter of the collar 22, when the lance tip 2 is placed in the placement groove 41, the through pipe 21 is in the placement groove 41, the collar 22 is outside the placement groove 41, and the collar 22 is clamped on the upper surface of the base frame 4 to prevent the lance tip 2 from falling. The bottom of the conveying pipe 1 is in a boss shape, the diameter of the bottom of the conveying pipe 1 is gradually reduced from top to bottom, the lantern ring 22 is conveniently sleeved at the bottom of the conveying pipe 1, and the gun head 2 is conveniently pulled out of the conveying pipe 1.

The utility model discloses a working process does: when the gun head 2 is not arranged at the bottom of the conveying pipe 1, the conveying pipe 1 is moved to the position right above the placing groove 41 by the mechanical arm 5, then the conveying pipe 1 is lowered, the bottom of the conveying pipe 1 extends into the lantern ring 22, the lantern ring 22 is fixed at the bottom of the conveying pipe 1 due to elasticity, the conveying pipe 1 is controlled by the mechanical arm 5 to ascend, the gun head 2 also ascends along with the conveying pipe 1, then the conveying pipe 1 is transferred to the position above one of the reagent racks 3 by the mechanical arm 5, one of the solutions is selected according to the solution needing to be added to the blood sample, the conveying pipe 1 extends into a test tube, a proper amount of solution is sucked, the solution is stored in the gun head 2, the conveying pipe 1 is controlled by the mechanical arm 5 to move to the position above the blood sample, the conveying pipe 1 is lowered, and the sucked solution is output; if another solution needs to be added, the conveying pipe 1 is moved to the position right above the empty placing groove 41, the conveying pipe 1 is lowered, the fastening claw 61 is moved again, the conveying pipe 1 enters the notch 611, the gun head 2 is lower than the fastening claw 61, then the conveying pipe 1 is controlled by the mechanical arm 5 to move upwards, the top end of the lantern ring 22 abuts against the lower surface of the fastening claw 61, the conveying pipe 1 continues to move upwards under the action of the mechanical arm 5, the gun head 2 is limited by the fastening claw 61 to be separated from the conveying pipe 1 and fall into the empty placing groove 41, then the fastening claw 61 is reset, the mechanical arm 5 moves the conveying pipe 1 to the position above the unused gun head 2, the conveying pipe 1 is lowered again, the conveying pipe 1 is sleeved with a new gun head 2, and the new solution can be sucked by the gun head 2. In addition, thereby when needs use conveyer pipe 1 to blow up and beat mixing liquid, also can let conveyer pipe 1 sheathe in new rifle head 2, stretch into liquid with rifle head 2 again, utilize the module syringe to blow and beat liquid, because rifle head 2 keeps apart liquid and conveyer pipe 1 this moment, can effectively prevent liquid pollution conveyer pipe 1.

To sum up, the embodiment of the utility model provides a device is added to medicament, 2 detachably covers of rifle head are outside conveyer pipe 1, make when needs absorb different kinds of liquid, can change rifle head 2, avoid influencing the testing result, and the cooperation is detained claw 61 and is pulled out rifle head 2, realize that automatic change rifle head 2 replaces artifical manual change rifle head 2, the change efficiency has been improved, and need not wash rifle head 2, the simplified operation flow, the work efficiency is improved, thereby when automatic reagent that adds, can change rifle head 2 automatically, prevent to cause the liquid to mix because of misoperation, avoid influencing the interpolation quantity and the concentration of liquid, ensure the accuracy of experimental result.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A medicament adding device, comprising:

the bottom end of the conveying pipe is provided with a liquid outlet;

the gun head comprises a through pipe and a lantern ring sleeved at the bottom of a conveying pipe, the lantern ring is fixed at the top end of the through pipe, and the through pipe is communicated with the lantern ring;

the reagent rack is provided with at least one reagent position for placing a test tube;

the gun head placing device comprises a base frame, wherein a placing groove for placing a gun head is formed in the base frame;

a robot arm capable of driving the transport tube to move between the placement tank and the reagent site or driving the transport tube to move in a vertical direction; and

the separation mechanism comprises a buckling claw for buckling the gun head and a recovery mechanism for recovering the gun head, and the recovery mechanism is positioned below the buckling claw.

2. The medication adding device according to claim 1, wherein: the bottom of conveyer pipe is cylindric, the lantern ring is the ring form, the one end of detaining the claw is equipped with convex breach, the bore of breach is greater than the diameter of the bottom of conveyer pipe, the bore of breach is less than the external diameter of the lantern ring.

3. The medication adding device according to claim 2, wherein: and the bottom end of the edge of the notch is provided with a chamfer or an arc angle.

4. The medication adding device according to claim 1, wherein: the buckling claw is positioned above the base frame, the disengaging mechanism comprises a first air cylinder and a first sliding block, a piston rod of the first air cylinder is connected with the first sliding block, the buckling claw is fixed with the first sliding block, and the first air cylinder drives the buckling claw to move horizontally.

5. The medication adding device according to claim 1, wherein: the separation mechanism comprises a separation motor, a separation screw rod, a second sliding block and a separation sliding rail, the separation motor is connected with the separation screw rod, the separation motor drives the separation screw rod to rotate, the separation screw rod penetrates through the second sliding block and is meshed with the second sliding block, the second sliding block is installed on the separation sliding rail and slides along the separation sliding rail, the buckling claw is located above the base frame, and the buckling claw is fixed with the second sliding block.

6. The medication adding device according to claim 5, wherein: the bottom surface of the buckling claw is provided with a blocking arm, the blocking arm extends from the bottom surface of the buckling claw to the direction of the disengaging motor, the bottom surface of the disengaging motor is provided with a photoelectric door, and the photoelectric door is located on the moving path of the blocking arm.

7. The medication adding device according to claim 1, wherein: the arm includes second actuating mechanism, mounting panel and third actuating mechanism, second actuating mechanism with the mounting panel links to each other and drives the mounting panel removes along the horizontal direction, third actuating mechanism install in on the mounting panel, third actuating mechanism with the conveyer pipe links to each other and drives the conveyer pipe removes along vertical direction.

8. The medication adding device according to claim 6, wherein: the reagent rack and the base frame are installed on the base, the fourth driving mechanism is connected with the base and drives the base to translate, and the moving direction of the base is the same as that of the second sliding block.

9. The medication adding device according to claim 1, wherein: the siphunculus is the pipe form, the open-ended aperture of standing groove is greater than the external diameter of siphunculus, the open-ended aperture of standing groove is less than the external diameter of lantern ring.

10. The medication adding device according to claim 1, wherein: the bottom of conveyer pipe is boss form, just the diameter of the bottom of conveyer pipe reduces gradually from top to bottom.