CN213526792U

CN213526792U - Automatic clamping device for liquid bag

Info

Publication number: CN213526792U
Application number: CN202022110812.5U
Authority: CN
Inventors: 庞兴荣; 侯福来
Original assignee: Wuxi Krause Mcgrady Medical Instrument Co ltd
Current assignee: Wuxi Krause Mcgrady Medical Instrument Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-25
Anticipated expiration: 2030-09-23

Abstract

The utility model belongs to the technical field of the liquid bag puncture technique and specifically relates to a liquid bag self-holding device. It includes the backup pad, go up and connect the clamp bag fixing base through connecting piece detachable on the backup pad, fixed chuck is connected through connecting piece detachable to clamp bag fixing base one side, connects driving motor through connecting piece detachable on the clamp bag fixing base, driving motor's drive end connection lead screw, through threaded connection lead screw nut seat on the lead screw, lead screw nut seat one side is through connecting piece detachable connection sliding seat, connecting piece detachable connection clamp bag sliding seat is passed through to sliding seat one side, connects movable chuck through elastic component on the clamp bag sliding seat. The utility model can accurately, reliably and stably complete the automatic clamping of the liquid bag, thereby facilitating the puncture work of the liquid bag; the liquid bag mouth realizes flexible compressing through elastic component, avoids causing the damage to the liquid bag mouth.

Description

Automatic clamping device for liquid bag

Technical Field

The utility model belongs to the technical field of the liquid bag puncture technique and specifically relates to a liquid bag self-holding device.

Background

In the field of medical biology, storage of plasma is commonly transported by sterile fluid bags. The bag mouth of the sterilized liquid bag needs to be connected with a puncture needle assembly, and in the prior art, the puncture needle assembly is generally inserted into the sterilized liquid bag in a manual mode. In the process of connecting the puncture needle assembly, because plasma bag puncture braid toughness is good, the needle just needs great power to penetrate when beginning to puncture, in case the break-through, the needle can advance rapidly, because the pjncture needle has the inclined plane, the in-process that advances can produce the yawing force, or because the puncture angle is mastered not well, the condition that the needle pricked the inclined plane and led to the fact to pierce through the plasma bag appears, stabs the operator and indicates.

Therefore, there is a need for an automatic fluid bag clamping device that automatically clamps a bag of sterile fluid.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides the automatic liquid bag clamping device which is reasonable in structure and can accurately, reliably and stably complete automatic clamping of the liquid bag, so that the liquid bag can be conveniently punctured.

The utility model discloses the technical scheme who adopts as follows:

the automatic clamping device for the liquid bag comprises an upper supporting plate, wherein a bag clamping fixing seat is detachably connected to the upper supporting plate through a connecting piece, one side of the bag clamping fixing seat is detachably connected with a fixed chuck through the connecting piece, the bag clamping fixing seat is detachably connected with a driving motor through the connecting piece, the driving end of the driving motor is connected with a lead screw, a lead screw nut seat is connected to the lead screw through threads, one side of the lead screw nut seat is detachably connected with a sliding seat through the connecting piece, one side of the sliding seat is detachably connected with a bag clamping movable seat through the connecting piece, and the bag clamping movable seat is connected with a movable chuck through; the liquid bag clamping device is characterized in that one end of the fixed chuck, facing the movable chuck, is provided with a first clamping groove, one end of the movable chuck, facing the fixed chuck, is provided with a second clamping groove, and the first clamping groove and the second clamping groove are matched to clamp the mouth of the liquid bag.

Furthermore, the lower end of the sliding seat is connected with a sliding block, the sliding block is connected to a sliding rail in a sliding mode, and the sliding rail is detachably connected to the upper supporting plate through a connecting piece.

Furthermore, the sliding seat is connected with a limiting support through a connecting piece in a detachable mode, the upper supporting plate is connected with a sensor mounting frame through a connecting piece in a detachable mode, a limiting sensor is connected onto the sensor mounting frame, and the limiting sensor is located on a moving path of the limiting support.

Furthermore, the elastic assembly comprises two guide rods fixedly connected to the bag clamping movable seat, the two guide rods are arranged in parallel, one end of each guide rod is connected with the guide sleeve in a sliding mode, the guide sleeves are fixedly connected to the movable chuck, the guide rods are sleeved with springs, and the front end and the rear end of each spring are in contact with the bag clamping movable seat and the guide sleeves respectively.

Furthermore, the lower end face of the fixed chuck is detachably connected with a second sensor through a connecting piece, and the detection end of the second sensor is positioned right below the first clamping groove.

Furthermore, the lower end of the upper supporting plate is connected with the lower supporting plate through a plurality of stand columns, the lower supporting plate is connected with the sensor mounting seat through a connecting piece in a detachable mode, the sensor mounting seat is connected with a first sensor, and the first sensor is located under the fixed chuck.

Furthermore, the first clamping groove and the second clamping groove are of V-shaped structures.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure and convenient operation, and can accurately, reliably and stably complete the automatic clamping of the liquid bag, thereby facilitating the puncture work of the liquid bag; the liquid bag mouth realizes flexible compressing through elastic component, avoids causing the damage to the liquid bag mouth.

Drawings

Fig. 1 is a front perspective view of the present invention.

Fig. 2 is a back perspective view of the present invention.

Fig. 3 is a structural diagram of the elastic component of the present invention.

Wherein: 1. an upper support plate; 2. a lower support plate; 3. a column; 4. a sensor mount; 5. a first sensor; 6. a bag clamping fixing seat; 7. fixing the chuck; 8. a first clamping groove; 9. a second sensor; 10. a drive motor; 11. a screw rod; 12. a screw nut seat; 13. a sliding seat; 14. a slider; 15. a slide rail; 16. a bag clamping movable seat; 17. a movable chuck; 18. a second clamping groove; 19. a sensor mounting bracket; 20. a limit sensor; 21. a limiting bracket; 22. a guide bar; 23. a spring; 24. and (4) guiding a sleeve.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the utility model discloses mainly including last backup pad 1, go up and connect bag fixing base 6 through connecting piece detachable on the backup pad 1, bag fixing base 6 one side is through connecting piece detachable connection fixed chuck 7.

As shown in fig. 1 and 2, the bag holder fixing seat 6 is detachably connected with a driving motor 10 through a connecting piece, the driving end of the driving motor 10 is connected with a screw rod 11, the screw rod 11 is connected with a screw rod nut seat 12 through a thread, and one side of the screw rod nut seat 12 is detachably connected with a sliding seat 13 through a connecting piece. One side of the sliding seat 13 is detachably connected with a bag clamping movable seat 16 through a connecting piece, and the bag clamping movable seat 16 is connected with a movable chuck 17 through an elastic component.

In order to clamp the mouth of the liquid bag more stably, as shown in fig. 1 and fig. 2, a first clamping groove 8 with a V-shaped structure is arranged at one end of the fixed chuck 7 facing the movable chuck 17, a second clamping groove 18 with a V-shaped structure is arranged at one end of the movable chuck 17 facing the fixed chuck 7, and the first clamping groove 8 and the second clamping groove 18 are matched to clamp the mouth of the liquid bag.

In order to ensure that the movable chuck 17 is accurately positioned in the clamping process, as shown in fig. 1 and 2, the lower end of the sliding seat 13 is connected with a sliding block 14, the sliding block 14 is slidably connected on a sliding rail 15, and the sliding rail 15 is detachably connected on the upper supporting plate 1 through a connecting piece.

In order to control the moving position of the sliding seat 13, as shown in fig. 1 and 2, a limit bracket 21 is detachably connected to the sliding seat 13 through a connector, a sensor mounting bracket 19 is detachably connected to the upper support plate 1 through a connector, a limit sensor 20 is connected to the sensor mounting bracket 19, and the limit sensor 20 is located on the moving path of the limit bracket 21.

As shown in FIG. 3, the elastic assembly includes two guide rods 22 fixedly connected to the bag holder 16, and the two guide rods 22 are arranged in parallel with each other. One end of the guide rod 22 is connected with a guide sleeve 24 in a sliding way, and the guide sleeve 24 is fixedly connected on the movable chuck 17. The guide rod 22 is sleeved with a spring 23, and the front end and the rear end of the spring 23 respectively contact the bag clamping movable seat 16 and the guide sleeve 24. When the movable chuck 17 is matched with the fixed chuck 7 to clamp the mouth of the liquid bag, the spring 23 drives the movable chuck 17 to flexibly compress the mouth of the liquid bag.

In order to accurately judge whether the mouth of the liquid bag enters the first clamping groove 8, as shown in fig. 3, the lower end surface of the fixed chuck 7 is detachably connected with a second sensor 9 through a connecting piece, and the detection end of the second sensor 9 is positioned right below the first clamping groove 8. When the movable chuck 17 pushes the mouth of the liquid bag to enter the first clamping groove 8, the mouth of the liquid bag triggers the second sensor 9, and the second sensor 9 sends a signal for stopping the work of the driving motor 10.

As shown in fig. 1 and 2, the lower end of an upper support plate 1 is connected with a lower support plate 2 through a plurality of columns 3, the lower support plate 2 is detachably connected with a sensor mounting seat 4 through a connecting piece, the sensor mounting seat 4 is connected with a first sensor 5, and the first sensor 5 is positioned under a fixed chuck 7. When the fluid bag is transferred to the position of the first sensor 5, the first sensor 5 detects the fluid bag and sends an operation signal of the driving motor 10.

The utility model discloses a theory of operation is: when the mouth of the liquid bag reaches the first clamping groove 8 of the fixed clamping head 7, the liquid bag triggers the first sensor 5, and the first sensor 5 sends out a working signal of the driving motor 10. Then the driving motor 10 starts to work to drive the screw rod 11 to rotate. The screw 11 drives the screw nut seat 12 and the sliding seat 13 to move along the slide rail 15. The movable chuck 17 is then drawn towards the fixed chuck 7, and the first clamping groove 8 and the second clamping groove 18 are matched to clamp the mouth of the liquid bag. The elastic component can realize flexible clamping of the liquid bag.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a liquid bag self-holding device, includes backup pad (1), its characterized in that: the upper supporting plate (1) is detachably connected with a bag clamping fixing seat (6) through a connecting piece, one side of the bag clamping fixing seat (6) is detachably connected with a fixed chuck (7) through the connecting piece, the bag clamping fixing seat (6) is detachably connected with a driving motor (10) through the connecting piece, the driving end of the driving motor (10) is connected with a screw rod (11), the screw rod (11) is connected with a screw rod nut seat (12) through threads, one side of the screw rod nut seat (12) is detachably connected with a sliding seat (13) through the connecting piece, one side of the sliding seat (13) is detachably connected with a bag clamping movable seat (16) through the connecting piece, and the bag clamping movable seat (16) is connected with a movable chuck (17; the liquid bag clamping device is characterized in that one end, facing the movable chuck (17), of the fixed chuck (7) is provided with a first clamping groove (8), one end, facing the movable chuck (17), of the movable chuck (17) is provided with a second clamping groove (18), and the first clamping groove (8) and the second clamping groove (18) are matched to clamp the mouth of a liquid bag.

2. The fluid bag automatic clamping device according to claim 1, wherein: the lower end of the sliding seat (13) is connected with a sliding block (14), the sliding block (14) is connected onto a sliding rail (15) in a sliding mode, and the sliding rail (15) is detachably connected onto the upper supporting plate (1) through a connecting piece.

3. The fluid bag automatic clamping device according to claim 1 or 2, wherein: the sliding seat (13) is connected with a limiting support (21) through a connecting piece in a detachable mode, the upper supporting plate (1) is connected with a sensor mounting frame (19) through a connecting piece in a detachable mode, the sensor mounting frame (19) is connected with a limiting sensor (20), and the limiting sensor (20) is located on a moving path of the limiting support (21).

4. The fluid bag automatic clamping device according to claim 1, wherein: the elastic assembly comprises two guide rods (22) fixedly connected to the bag clamping movable seat (16), the two guide rods (22) are arranged in parallel, one end of each guide rod (22) is connected with a guide sleeve (24) in a sliding mode, the guide sleeves (24) are fixedly connected to the movable chuck (17), springs (23) are sleeved on the guide rods (22), and the front ends and the rear ends of the springs (23) are respectively in contact with the bag clamping movable seat (16) and the guide sleeves (24).

5. The fluid bag automatic clamping device according to claim 1, wherein: the lower end face of the fixed chuck (7) is detachably connected with a second sensor (9) through a connecting piece, and the detection end of the second sensor (9) is positioned under the first clamping groove (8).

6. The fluid bag automatic clamping device according to claim 1, wherein: go up backup pad (1) lower extreme and connect bottom suspension fagging (2) through a plurality of stands (3), through connecting piece detachable connection sensor mount pad (4) on bottom suspension fagging (2), connect first sensor (5) on sensor mount pad (4), first sensor (5) are located under fixed chuck (7).

7. The fluid bag automatic clamping device according to claim 1, wherein: the first clamping groove (8) and the second clamping groove (18) are of V-shaped structures.