CN210880972U

CN210880972U - Aseptic pipe connecting device for thermoplastic pipe

Info

Publication number: CN210880972U
Application number: CN201921266715.6U
Authority: CN
Inventors: 程雷显; 孙静静; 周伟伟; 周雷鸣; 陈超; 王格; 赵巧辉; 李桂林; 付光宇; 吴学炜; 杨增利
Original assignee: Zhengzhou Immuno Biotech Co Ltd
Current assignee: Zhengzhou Immuno Biotech Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-30
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a thermoplastic plastic pipe sterile pipe connecting device, which comprises a base, wherein a pair of sliding seats are arranged on the base; a first guide shaft is arranged on the sliding seat, a movement clamping part driven by a first motor is arranged on the first guide shaft in a sliding manner, and a fixed clamping part is arranged on a longitudinal plate on one side of the sliding seat; a sliding block is arranged on the first guide shaft, a thermoplastic tube clamping seat is movably clamped on the sliding block, and thermoplastic tube clamping grooves are horizontally formed in the left side and the right side of the thermoplastic tube clamping seat; a left semicircular clamping block and a right semicircular clamping block are respectively arranged on the inner side walls of the moving clamping part and the fixed clamping part of one sliding seat, and the left semicircular clamping block and the right semicircular clamping block are driven by a second motor; the base is provided with a cutter mounting seat, and the upper end of the cutter mounting seat is provided with an electric heating cutter driven by a third motor to work. The utility model discloses the advantage lies in realizing automatic takeover, replaces artifical manual control, has alleviateed intensity of labour greatly, improves work efficiency, makes whole takeover process light, simple and convenient, swift more.

Description

Aseptic pipe connecting device for thermoplastic pipe

Technical Field

The utility model belongs to the technical field of cell culture and specifically relates to a aseptic takeover device of thermoplastic plastic pipe who uses in hollow fiber cell culture system is related to.

Background

In the process of in vitro cell culture from manual operation to automatic culture, the hollow fiber cell culture system has become a relatively common culture device. The culture medium liquid of the culture device is conveyed and circulated, and before cell inoculation, the replacement of an internal and external circulation liquid supplementing bottle, a harvesting bottle, a waste liquid barrel and the like all need to use a thermoplastic plastic pipe to take over so as to meet the requirement of sterile culture. The existing pipe connecting work is realized by clamping a luer connector on a superclean bench through a manual operation hemostatic forceps to be in butt joint, and due to frequent replacement, the operation action is various, the labor intensity is high, and the pollution to a thermoplastic pipe is easily caused.

Disclosure of Invention

An object of the utility model is to provide an aseptic takeover device of thermoplastic plastic pipe has solved the aseptic takeover problem of thermoplastic conveying pipeline who is used for carrying fluid among the hollow fiber cell culture system.

In order to achieve the above purpose, the utility model can adopt the following technical proposal:

the aseptic connecting pipe device for the thermoplastic plastic pipe comprises a base, wherein a pair of sliding seats with U-shaped structures are arranged in a groove cavity formed in the upper surface of the base in a parallel clearance mode; a first guide shaft is horizontally arranged between the two longitudinal plates of the sliding seat, a movement clamping part which is driven by a first motor to move horizontally is arranged on the first guide shaft in a sliding manner, and a fixed clamping part which is matched and corresponds to the movement clamping part is arranged on one longitudinal plate of the sliding seat; a sliding block is arranged on the first guide shaft between the moving clamping part and the fixed clamping part, a thermoplastic pipe clamping seat is movably clamped on the sliding block, and thermoplastic pipe clamping grooves are horizontally formed in the left side and the right side of the thermoplastic pipe clamping seat; a left semicircular clamping block and a right semicircular clamping block are respectively arranged on the inner side walls of the moving clamping part and the fixed clamping part of one sliding seat, and the left semicircular clamping block and the right semicircular clamping block are driven by a second motor arranged on the sliding seat to drive the thermoplastic pipe clamping seat to overturn; a cutter mounting seat is longitudinally arranged on the side, close to the fixed clamping part, of the base, and an electric heating cutter driven by a third motor to work is arranged at the upper end of the cutter mounting seat.

The inner side surface of the movement clamping part is provided with a return pull plate extending through the sliding block, a strip-shaped through groove is formed in the return pull plate along the length direction, and a pull rod penetrating through the strip-shaped through groove is arranged on the sliding block.

A second guide shaft horizontally penetrating through the two sliding seats is arranged in the groove cavity of the base, a fourth motor driving the sliding seats to slide along the second guide shaft is arranged on the base opposite to the cutter mounting seat, a transmission gear is fixedly sleeved on a transmission shaft of the fourth motor, and transmission racks respectively meshed with the upper side and the lower side of the transmission gear are arranged on the two sliding seats.

The motion clamping part is horizontally provided with a transmission screw rod penetrating out of the longitudinal plate of the sliding seat, and the first motor drives the transmission screw rod to move horizontally through a gear transmission assembly.

The outer side surfaces of the left and right semicircular clamping blocks are provided with semicircular racks, and the second motor drives the left and right semicircular clamping blocks to rotate through a gear fixedly sleeved on a transmission shaft of the second motor and meshed with the semicircular racks.

The utility model has the advantages that the automatic pipe connection of the thermoplastic plastic pipe in hollow fiber cell culture is realized, manual operation is replaced, the labor intensity is greatly reduced, the working efficiency is improved, and the whole pipe connection process is easier, simpler and faster; in addition, the thermoplastic plastic pipe is cut off by the electric heating cutter, and the cross section is heated while the thermoplastic plastic pipe is cut off, so that the thermoplastic plastic pipe is kept in a molten state, the butt joint adhesion of the thermoplastic plastic pipe can be realized, the purpose of high-temperature sterilization and disinfection is achieved for the joint, the aseptic operation of the connecting pipe is ensured, the butt joint part is prevented from being touched by hands, and the pollution to the pipe body is prevented.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the electric heating cutter in fig. 1.

Fig. 3 and 4 are schematic structural views of the sliding seat with left and right semicircular clamping blocks.

Fig. 5 and 6 are schematic structural views of the sliding seat without the left and right semicircular clamping blocks.

Fig. 7 and 8 are schematic views of the working state of the present invention.

Detailed Description

As shown in fig. 1-6, the aseptic connecting tube device for thermoplastic plastic tubes of the present invention comprises a base 1, wherein a pair of sliding seats 2 with U-shaped structures are arranged in parallel and in a clearance in a groove cavity formed on the upper surface of the base 1; a first guide shaft 3 is horizontally arranged between two longitudinal plates of the sliding seat 2, a movement clamping part 5 driven by a first motor 4 to move horizontally is arranged on the first guide shaft 3 in a sliding manner, and a fixed clamping part 6 matched and corresponding to the movement clamping part 5 is arranged on one longitudinal plate of one side of the sliding seat 2; first motor 4 is installed on the 2 opposite side vertical plates of sliding seat relative with fixed clamping part 6, the level is provided with transmission lead screw 22 on the motion clamping part 5, transmission lead screw 22 extends and passes to the 2 vertical plate direction levels of sliding seat that install first motor 4 side, be threaded connection between the vertical plates of transmission lead screw 22 and sliding seat 2, first motor 4 passes through gear drive subassembly and drives transmission lead screw 22 and rotate, and then realize that transmission lead screw 2 moves along its axial horizontal migration, push away, pull motion clamping part 5 and move along first guiding axle 3.

A slide block 7 is arranged on the first guide shaft 3 between the moving clamping part 5 and the fixed clamping part 6, a thermoplastic pipe clamping seat 8 is movably clamped on the slide block 7, and thermoplastic pipe clamping grooves 9 are horizontally formed in the left side and the right side of the thermoplastic pipe clamping seat 8 and used for horizontally clamping two thermoplastic pipes to be connected; in addition, in order to facilitate the movement clamping portion 5 to drive the sliding block 7 to return, a return pulling plate 16 (shown in fig. 3 and 5) extending through the sliding block 7 is arranged on the inner side surface of the movement clamping portion 5, a strip-shaped through groove 17 is formed in the return pulling plate 16 along the length direction, and a pull rod 18 extending through the strip-shaped through groove 17 is arranged on the sliding block 7.

A left semicircular clamping block 10 and a right semicircular clamping block 11 are respectively arranged on the relative inner side walls of the moving clamping part 5 and the fixed clamping part 6 of one sliding seat 2, and after the left semicircular clamping block 10 and the right semicircular clamping block 11 are buckled and clamped with a thermoplastic pipe clamping seat 8 between the left semicircular clamping block and the right semicircular clamping block, the thermoplastic pipe clamping seat 8 is driven by a second motor 12 arranged on the sliding seat 2 to drive the thermoplastic pipe clamping seat 8 to realize overturning; it is specifically (as shown in fig. 3 and 4): the outer side surfaces of the left semicircular clamping block 10 and the right semicircular clamping block 11 are respectively provided with a semicircular rack 23, the left semicircular clamping block 10 and the right semicircular clamping block 11 are meshed on the moving clamping part 5 and the fixed clamping part 6 through the semicircular racks 23, the two semicircular racks 23 form an annular gear ring wound on the outer side wall when the left semicircular clamping block 10 and the right semicircular clamping block 11 are buckled, and the second motor 12 drives the buckled left semicircular clamping block 10 and the buckled right semicircular clamping block 11 to rotate together through a gear fixedly sleeved on a transmission shaft of the second motor and meshed with the annular gear ring (namely the semicircular rack 23 on one side).

In order to make the thermoplastic pipe clamping seat 8 clamped by the left semicircular clamping block 10 and the right semicircular clamping block 11 can be separated from the slide block 7 below, as shown in fig. 3, the front half section of the strip-shaped through groove 17 on the side return pulling plate 16 is a horizontal groove, the rear half section is inclined downwards, meanwhile, the pulling rod 18 passing through the strip-shaped through groove 17 is movably inserted in the longitudinal groove 24 formed on the slide block 7, when the return pulling plate 16 moves forwards until the pulling rod 18 moves downwards along with the strip-shaped through groove 17, the locking column on the pulling rod 18 vertically penetrates out of the slide block 7 upwards and is inserted and fixed on the bottom surface of the thermoplastic pipe clamping seat 8 moves downwards, and is separated from the bottom surface of the thermoplastic pipe clamping seat 8, so that the thermoplastic pipe clamping seat 8 can be clamped by the left semicircular clamping block 10 and the right semicircular clamping block 11. In addition, a return pulling plate 16 for driving the sliding block 7 to return can also be arranged on the clamping portion 5 on the left sliding seat 2, the sliding block 7 on the right sliding seat 2 moves along with the sliding block 7 on the left sliding seat 2 to return, specifically, a connecting pin 25 (shown in fig. 4) for connecting the two sliding blocks 7 together is horizontally arranged on the opposite side surfaces of the two sliding blocks 7, the left end of the connecting pin 25 is fixed on the sliding block 7 on the left side, and the right end is inserted in the sliding block 7 on the right side, so that the sliding block 7 on the left side can be driven to return along with the return pulling plate 16, and the sliding block 7 on the right side is driven to return together.

A cutter mounting seat 13 (as shown in fig. 2) is longitudinally arranged on the side of the base 1 close to the fixed clamping part 6, and an electric heating cutter 15 driven by a third motor 14 to work is arranged at the upper end of the cutter mounting seat 13, namely, the electric heating cutter 15 is driven by the third motor 14 to rotate downwards and is tangential to a gap between the two sliding seats 2. In addition, in order to conveniently adjust the gap between the two sliding seats 2, thereby better adapting to the electric heating cutter 15, a second guide shaft 19 horizontally penetrating the two sliding seats 2 along the width direction is arranged in the groove cavity of the base 1, a fourth motor 20 driving the sliding seats 2 to slide along the second guide shaft 19 is arranged on the base 1 at the opposite side of the cutter mounting seat 13, a transmission shaft of the fourth motor 20 is fixedly sleeved with a transmission gear, and the two sliding seats 2 are provided with transmission racks 21 (shown in fig. 4 and 5) respectively meshed with the upper side and the lower side of the transmission gear, namely, the transmission gear is driven to rotate by the fourth motor 20, so that the two transmission racks 21 move oppositely or reversely, thereby realizing the opening and closing between the two sliding seats 2.

The working process of the utility model is as follows:

firstly, the fourth motor 20 drives the two transmission racks 21 to move horizontally in opposite directions or in opposite directions, so as to drive the two sliding seats 2 to move in an opening and closing manner, and adjust the gap between the two sliding seats 2, so that the electric heating cutter 15 can rotate downwards to complete the cutting action.

Then, as shown in fig. 7, two thermoplastic pipes to be connected are horizontally clamped in the thermoplastic pipe clamp grooves 9 on the left and right sides of the thermoplastic pipe clamp seat 8, respectively, so as to ensure that the ends of the two plastic pipes face to the two sides, respectively, thereby reducing the cut-off parts of the plastic pipes.

Thirdly, the two first motors 4 work to drive the transmission screw rod 22 to rotate and push the moving clamping part 5 to horizontally move towards the fixed clamping part 6, and at the moment, the return pull plate 16 on the inner side surface of the moving clamping part 5 can penetrate through the slide block 7, so that the movement of the moving clamping part 5 cannot be influenced; when the moving clamping portion 5 moves to the left side of the sliding block 7, the plastic tube in the thermoplastic tube clamping groove 9 on the left side of the thermoplastic tube clamping seat 8 is clamped, and the sliding block 7 and the thermoplastic tube clamping seat 8 are pushed to move towards the fixed clamping portion 6 together, as shown in fig. 8, until the fixed clamping portion 6 clamps the plastic tube in the thermoplastic tube clamping groove 9 on the right side of the thermoplastic tube clamping seat 8, and meanwhile, the moving clamping portion 5 and the fixed clamping portion 6 are buckled and clamp the thermoplastic tube clamping seat 8 on the sliding block 7.

Fourthly, the cutter mounting seat 13 preheats the electric heating cutter 15, after preheating is completed, the third motor 14 works to drive the electric heating cutter 15 to rotate downwards, two plastic pipes clamped and fixed in the thermoplastic pipe clamping grooves 9 are cut off between the tangential two thermoplastic pipe clamping seats 8, and after cutting off, the electric heating cutter 15 continuously heats the cut surfaces of the two plastic pipes to enable the cut surfaces to be in a molten state.

Fifthly, the second motor 12 on the front sliding seat 2 works to drive the left semicircular clamping block 10 and the right semicircular clamping block 11 to rotate 180 degrees, so that the positions of the two plastic pipes on the side thermoplastic pipe clamping seat 8 are reversed and exchanged, then the electric heating cutter 15 returns, and at the moment, the plastic pipes on the two thermoplastic pipe clamping seats 8 are bonded together to complete the butt joint of the thermoplastic pipes.

Finally, the first motor 4 drives the moving clamping part 5 to return, and in the process of returning the moving clamping part 5, the sliding block 7 is dragged to return together through the return pulling plate 16, so that the butted thermoplastic pipe can be taken down, the butting condition is observed, a diaphragm generated inside the butting position is pinched off by hands, the interior of the thermoplastic pipe is conducted, and meanwhile, the two sections of cut-off plastic pipe ends are taken down and discarded.

The whole process is completed without manual operation, and the two thermoplastic pipes are in contact in a molten state during butt joint, so that sterile pipe connection is ensured. In addition, after the whole working process is finished, the power supply can be cut off, the electric heating cutter 15 is wiped by alcohol, and the residual thermoplastic tube gel on the electric heating cutter is wiped off for reuse.

Claims

1. The aseptic pipe connecting device for the thermoplastic pipes is characterized in that: the device comprises a base (1), wherein a pair of sliding seats (2) with U-shaped structures are arranged in a groove cavity formed in the upper surface of the base (1) in a side-by-side clearance mode; a first guide shaft (3) is horizontally arranged between two longitudinal plates of the sliding seat (2), a moving clamping part (5) which is driven by a first motor (4) to move horizontally is arranged on the first guide shaft (3) in a sliding manner, and a fixed clamping part (6) which is matched and corresponds to the moving clamping part (5) is arranged on one longitudinal plate of the sliding seat (2); a sliding block (7) is arranged on the first guide shaft (3) between the moving clamping part (5) and the fixed clamping part (6), a thermoplastic pipe clamping seat (8) is movably clamped on the sliding block (7), and thermoplastic pipe clamping grooves (9) are horizontally formed in the left side and the right side of the thermoplastic pipe clamping seat (8); a left semicircular clamping block (10) and a right semicircular clamping block (11) are respectively arranged on the opposite inner side walls of the moving clamping part (5) and the fixed clamping part (6) of one sliding seat (2), and the left semicircular clamping block and the right semicircular clamping block (10, 11) are driven by a second motor (12) arranged on the sliding seat (2) to drive the thermoplastic pipe clamping seat (8) to overturn; a cutter mounting seat (13) is longitudinally arranged on the side, close to the fixed clamping part (6), of the base (1), and an electric heating cutter (15) driven by a third motor (14) to work is arranged at the upper end of the cutter mounting seat (13).

2. A thermoplastic tube aseptic nozzle device according to claim 1, wherein: a return pull plate (16) extending through the sliding block (7) is arranged on the inner side face of the movement clamping portion (5), a strip-shaped through groove (17) is formed in the return pull plate (16) along the length direction, and a pull rod (18) penetrating through the strip-shaped through groove (17) is arranged on the sliding block (7).

3. A thermoplastic tube aseptic nozzle device according to claim 1, wherein: a second guide shaft (19) horizontally penetrating through the two sliding seats (2) is arranged in a groove cavity of the base (1), a fourth motor (20) driving the sliding seats (2) to slide along the second guide shaft (19) is arranged on the base (1) on the side opposite to the cutter mounting seat (13), a transmission shaft of the fourth motor (20) is fixedly sleeved with a transmission gear, and transmission racks (21) respectively meshed with the upper side and the lower side of the transmission gear are arranged on the two sliding seats (2).

4. A thermoplastic tube aseptic nozzle device according to claim 1, wherein: a transmission screw rod (22) penetrating out of the longitudinal plate of the sliding seat (2) is horizontally arranged on the motion clamping part (5), and the first motor (4) drives the transmission screw rod (22) to horizontally move through a gear transmission assembly.

5. A thermoplastic tube aseptic nozzle device according to claim 1, wherein: the outer side surfaces of the left and right semicircular clamping blocks (10 and 11) are provided with semicircular racks (23), and the second motor (12) drives the left and right semicircular clamping blocks (10 and 11) to rotate through a gear which is fixedly sleeved on a transmission shaft of the second motor and meshed with the semicircular racks (23).