CN115072105B

CN115072105B - Parallel air-blowing type plasma bag breaking system

Info

Publication number: CN115072105B
Application number: CN202210678164.4A
Authority: CN
Inventors: 邓骞; 刘霜; 叶佳伟; 赵立宏
Original assignee: University of South China
Current assignee: University of South China
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-12-29
Anticipated expiration: 2042-06-16
Also published as: CN115072105A

Abstract

The parallel air-blowing type plasma bag breaking system comprises a plasma bag feeding assembly, a plasma bag breaking assembly, an empty bag recycling assembly and a falling object collecting sleeve; the plasma bag feeding assembly comprises a bracket A, a belt conveyor, a tray, a lifting driving device, a lifting table, a translation conveying device and a supporting lifter; the plasma bag breaking assembly comprises a bracket B, a chain conveyor, a bag clamping device, a pipe shearing device, a bag scoring device and a blowing device; the empty bag recovery assembly comprises a bracket C, a chain conveyor and an empty bag pushing device; the falling object collecting suite comprises a plasma collecting pool, a hose collecting box, a residual liquid collecting tank and an empty bag collecting box. The invention realizes automatic bag breaking of the frozen plasma bag, automatic discharge of plasma after bag breaking and automatic collection of empty plasma bag, greatly improves the efficiency of the bag breaking operation of the plasma bag, and effectively avoids the pollution of blood products and the safety risk of operators possibly caused by manual operation.

Description

Parallel air-blowing type plasma bag breaking system

Technical Field

The invention relates to the technical field of plasma bag breaking, in particular to a parallel air-blowing type plasma bag breaking system.

Background

The blood product mainly refers to a bioactive preparation prepared from human plasma by adopting a separation and purification technology, such as human serum albumin, human immunoglobulin, small products and the like, and is used for diagnosis, treatment or passive immunoprophylaxis. The blood plasma collected from a healthy human body is first contained in a standard blood plasma bag, and then frozen into an ice-like body under a low-temperature environment (refrigeration house) of-30 to-40 ℃ for storage. Before producing the blood products, the plasma bags after cleaning and disinfection need to be broken so as to take out the plasma of the ice-like body and put the plasma into a plasma melting tank for melting.

At present, in blood product manufacturing enterprises, a manual blood plasma bag breaking process is usually carried out, a worker grasps a frozen blood plasma bag, a cutter is used for breaking the blood plasma bag, and then the blood plasma in an ice state is extruded from the bag, so that the ice-shaped blood plasma falls into a collecting container.

The manual bag breaking process has the following defects: 1. the frozen plasma blocks are tightly adhered to the inner wall of the plasma bag, and after the plasma bag is scratched, the bag body is repeatedly rubbed/beaten to separate the frozen plasma blocks from the inner wall of the plasma bag so as to squeeze the frozen plasma blocks out of the bag, so that the time consumption is long and the efficiency is low; 2. in the process of scratching the plasma bag, if the operator is scratched by careless, on one hand, inconvenience is brought to the operator, and on the other hand, exuded blood flows onto the plasma block to cause pollution of blood products; 3. in the process of tearing the plasma bag, the hands of operators repeatedly touch the outer wall of the plasma bag, and if the operators carelessly touch the plasma blocks, the pollution of blood products is easily caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a parallel air-blowing type plasma bag breaking system, which solves the problems that the efficiency of manually executing the plasma bag breaking operation is low, the safety risk exists and the pollution of blood products is easy to cause.

The technical scheme of the invention is as follows: the parallel air-blowing type plasma bag breaking system comprises a plasma bag feeding assembly, a plasma bag breaking assembly, an empty bag recycling assembly and a falling object collecting sleeve;

the plasma bag feeding assembly comprises a bracket A, a belt conveyor, a tray, a lifting driving device, a lifting table, a translation conveying device and a supporting lifter; the bracket A is fixedly arranged on the ground; the belt conveyor is directly or indirectly fixedly arranged on the bracket A, and is provided with a linear conveying path for conveying the plasma bags; the trays are arranged on the linear conveying path of the belt conveyor at intervals; the lifting platform is movably arranged on the bracket A through the lifting driving device and is positioned at the upper end of the tray, and the lifting platform is driven by the lifting driving device to vertically lift and move; the tray lifter is provided with a plurality of tray lifting stations which are horizontally arranged in parallel, and a group of plasma bags are lifted from the trays at one time through the plurality of tray lifting stations; the tray lifter is movably arranged at the lower end of the lifting table through the translation conveying device and is driven by the translation conveying device to do horizontal reciprocating linear movement so as to change between a bag taking position and a bag conveying position, when the tray lifter is positioned at the bag taking position, all tray lifting stations are opposite to the plurality of trays up and down and correspond to each other one by one, the tray lifter is used for taking a group of plasma bags from the plurality of trays at one time, and when the tray lifter is positioned at the bag conveying position, all tray lifting stations are staggered up and down with all trays, and the tray lifter is used for transferring the group of plasma bags taken to the plasma bag breaking assembly;

The plasma bag breaking assembly comprises a bracket B, a chain conveyor, a bag clamping device, a pipe shearing device, a bag scoring device and a blowing device; the bracket B is fixedly arranged on the ground; the chain conveyor is directly or indirectly fixedly arranged on the bracket B, and is provided with a plurality of rotary moving paths which are arranged in parallel at intervals along the horizontal direction, wherein the rotary moving paths are positioned in a vertical plane; the bag holders are respectively and fixedly arranged on all rotary moving paths of the chain conveyor at the same arrangement intervals and at the same installation positions, a group of bag holders are formed by the bag holders at the same installation positions on all rotary moving paths, and a first position, a second position, a third position, a fourth position and a fifth position are sequentially arranged on the moving paths of each group of bag holders, so that a group of plasma bags clamped on each group of bag holders sequentially pass through the first position, the second position, the third position, the fourth position and the fifth position; when any group of bag holders are in the first position, four groups of bag holders adjacent to the front side in the moving direction are respectively in the second position, the third position, the fourth position and the fifth position; the group of bag holders in the first position are used for clamping a group of plasma bags from the supporting and lifting station of the supporting and lifting device; a set of bag holders in a fifth position for transferring a set of plasma bags held by the bag holders to the empty bag recovery assembly; the tube shearing device is arranged on the bracket B and is suitable for the position of a group of plasma bags in the second position, and is used for shearing the hose in the group of plasma bags in the second position to form a fracture on each plasma bag; the bag dividing device is arranged on the bracket B and is suitable for the position of a group of plasma bags in the third position, and is used for dividing the bag bodies in the group of plasma bags in the third position so as to form dividing openings on each plasma bag; the blowing device is arranged on the bracket B and is matched with the position of a group of plasma bags in the fourth position; for blowing air towards the interruptions in the group of plasma bags in the fourth position, so that the plasma cake in each plasma bag is discharged from the cut of the plasma bag;

The empty bag recovery assembly comprises a bracket C, a chain conveyor and an empty bag pushing device; the bracket C is fixedly arranged on the ground; the chain conveyor is directly or indirectly fixedly arranged on the bracket C, a rotary conveying path in a horizontal plane is arranged on the chain conveyor, a receiving section, a draining section and a pushing section are sequentially arranged on the rotary conveying path, a horizontally arranged spike row is arranged on the rotary conveying path, the spike row surrounds the rotary conveying path for one circle and extends out of the rotary conveying path, and the spike row comprises a plurality of spikes which are arranged at intervals; the chain conveyor drives the stab nails to move along the rotary conveying path and sequentially pass through the receiving section, the draining section and the pushing section; the spikes in the receiving section are arranged in close proximity and in one-to-one correspondence with the group of plasma bags in the fifth position; the puncture nails at the pushing section are opposite to the empty bag pushing device; the empty bag pushing device comprises a hydraulic cylinder and a push plate; the hydraulic cylinder is directly or indirectly fixedly arranged on the bracket C, and a piston rod of the hydraulic cylinder horizontally extends out and is fixedly connected with the push plate; when the piston rod of the hydraulic cylinder is retracted, the push plate avoids the moving path of the stab row, and when the piston rod of the hydraulic cylinder is extended, the push plate is used for pushing out all plasma bags collected on the stab at the pushing-out section at one time;

The falling object collecting suite comprises a plasma collecting pool, a hose collecting box, a residual liquid collecting tank and an empty bag collecting box; the plasma collecting tank is fixedly arranged on the ground and is positioned under the pipe cutting device, the bag cutting device and the air blowing device, and one side of the plasma collecting tank is provided with a plasma outlet; the hose collection box is movably arranged on the bracket B and is positioned right below the tube shearing device and above the plasma collection tank, and a draining hole is arranged at the bottom of the hose collection box; the residual liquid collecting tank is fixedly arranged on the ground and is positioned right below the receiving section and the draining section of the rotary transmission path; the empty bag collecting box is movably arranged on the bracket C and is positioned right below the pushing section of the rotary transmission path.

The invention further adopts the technical scheme that: the chain conveyor is provided with n chain wheels which are annularly and uniformly distributed and a chain which is wound between the n chain wheels, the chain is positioned on a horizontal plane and forms a rotary conveying path through rotation, the n chain wheels divide the rotary conveying path into n sections which are equal in length and form a circle, the receiving section and the pushing section are respectively two sections which are connected in the n sections, and the draining section is other sections except the receiving section and the pushing section in the n sections; n is more than or equal to 3.

The invention further adopts the technical scheme that: the translation conveying device comprises a screw rod A, a guide rod, a connecting block and a stepping motor A; the screw rod A is horizontally arranged and positioned at the lower end of the lifting platform, two ends of the screw rod A are respectively movably arranged on the lifting platform, two groups of guide rods are horizontally arranged at two sides of the screw rod A and are parallel to the screw rod A, and two ends of the guide rods are respectively fixedly connected with the lifting platform; the connecting block is provided with a threaded hole and two groups of unthreaded holes distributed on two sides of the threaded hole, the connecting block is in threaded connection with the screw rod A through the threaded hole, and the connecting block is in sliding fit with the two groups of guide rods through the two groups of unthreaded holes; the stepping motor A is fixedly arranged on the lifting table, and a shaft of the stepping motor A is connected with the end part of the screw rod A to drive the screw rod A to rotate, so that the connecting block is driven to do horizontal reciprocating linear movement along the screw rod A.

The invention further adopts the technical scheme that: the supporting and lifting device comprises a base and a supporting and lifting unit; the base is fixedly connected to the lower end of the connecting block of the translation conveying device; the supporting and lifting units are arranged at the lower end of the base, the supporting and lifting units share a plurality of pairs, and each pair of supporting and lifting units comprises two supporting and lifting units with opposite positions; the supporting and lifting unit comprises a finger cylinder and a half claw body; one end of the finger cylinder is fixedly arranged at the lower end of the base, and the other end of the finger cylinder is provided with two power rods which can only synchronously move in opposite directions or synchronously move back to each other; the two half claw bodies are oppositely arranged and respectively fixedly connected to the two power rods of the finger cylinder, so that a supporting and lifting opening is formed between the two half claw bodies; two supporting openings in the pair of supporting units are oppositely arranged and form a supporting station; correspondingly, the tray comprises a rectangular bottom plate and four side edges connected to the edge of the bottom plate and extending upwards, two notches are respectively arranged on two opposite sides of the tray, the four notches are formed by vertical notches arranged on the side edges of the tray and horizontal notches arranged on the bottom plate of the tray, and the vertical notches and the horizontal notches are mutually communicated; the lower ends of the four half claw bodies in the pair of supporting and lifting units can extend into the four notches.

The invention further adopts the technical scheme that: the lifting driving device comprises a stepping motor B and a power steering box; the power steering box comprises a box shell, a screw rod B, a worm and a worm wheel; the box shell is fixedly arranged on the bracket A, a screw rod mounting hole, a worm mounting hole and a worm wheel mounting cavity are arranged in the box shell, the screw rod mounting hole is vertically arranged and penetrates through the upper end and the lower end of the box shell, the worm mounting hole is horizontally arranged and penetrates through the horizontal two ends of the box shell, and the worm wheel mounting cavity is respectively communicated with the screw rod mounting hole and the worm mounting hole; the screw rod B is arranged in a screw rod mounting hole of the box shell, two ends of the screw rod B extend out of the upper end and the lower end of the box shell respectively, the lower end of the screw rod B is fixedly connected with the lifting table, and the upper end of the screw rod B is a free end; the worm is rotatably arranged in the worm mounting hole of the case shell; the middle part of the worm wheel is provided with a threaded hole, and the worm wheel is connected to the screw rod B through the threaded hole, is meshed with the worm and is positioned in the worm wheel mounting cavity; the number of the power steering boxes is two, worm installation holes of the two power steering boxes are oppositely arranged, and the worms of the two power steering boxes are connected into a whole through a coupler; the stepping motor B is fixedly arranged on the bracket A, and a shaft of the stepping motor B is connected with the worm to drive the worm to rotate.

The invention further adopts the technical scheme that: the bag clamping device comprises two bag clamping units; the two bag clamping units are fixedly arranged on the rotary moving path of the chain conveyor at intervals; the bag clamping unit comprises a pneumatic water gap clamp and a clamping plate; one end of the pneumatic nozzle clamp is fixedly arranged on a rotary moving path of the chain conveyor, and the other end of the pneumatic nozzle clamp is rotationally connected with two rotating handles which can only synchronously rotate in opposite directions or synchronously rotate in opposite directions; the two clamping plates are respectively and fixedly connected to the ends of the two rotating handles of the pneumatic nozzle clamp, the two clamping plates are driven by the two rotating handles to open or close, and a clamping opening is formed in the area between the two clamping plates; two clamping openings in the bag clamping device are arranged at intervals and form a clamping station, and the bag clamping device clamps the two side areas of the hose of the plasma bag through the two clamping openings which are arranged at intervals.

The invention further adopts the technical scheme that: the pipe shearing device comprises a group of pneumatic scissors, and one end of each pneumatic scissors is provided with a shearing opening capable of opening and closing; the group of pneumatic scissors are respectively and fixedly arranged on the bracket B and are horizontally arranged in a row at intervals, and the group of pneumatic scissors and the group of bag holders at the second position form a one-to-one correspondence; the corresponding relation means that each pneumatic scissors extends into a gap between two clamping ports of the corresponding bag clamping device.

The invention further adopts the technical scheme that: the bag dividing device comprises a bag dividing mechanism and a bag blocking mechanism; the bag scraping mechanism and the bag blocking mechanism are distributed on two sides of a group of plasma bags at a third position, the bag scraping mechanism is used for scraping the front surface of the plasma bags, and the bag blocking mechanism is used for propping against the rear surface of the plasma bags; the bag drawing mechanism comprises a synchronous belt guide rail and a drawing cutter; the synchronous belt guide rail is fixedly arranged on the bracket B, a sliding block which moves horizontally and reciprocally in a straight line is arranged on the synchronous belt guide rail, and the moving direction of the sliding block is parallel to the arrangement direction of a group of bag holders; the cutter is fixedly arranged on a sliding block of the synchronous belt guide rail, and the moving path of the cutter is positioned below a group of bag holders positioned at a third position; the bag blocking mechanism comprises a motor, a rotating shaft and a baffle plate; the motor is fixedly arranged on the bracket B, and the shaft of the motor horizontally extends out; one end of the rotating shaft is movably arranged at the lower end of the bracket B, and the other end of the rotating shaft is connected with the shaft of the motor; the baffle is fixedly arranged on the rotating shaft, is driven by the rotating shaft to rotate and is switched between an erect state and a collapsed state, when the baffle is in the erect state, the baffle is used for propping against the rear surface of a group of plasma bags in a third position, and when the baffle is in the collapsed state, the baffle avoids the moving path of the group of plasma bags.

The invention further adopts the technical scheme that: the blowing device comprises a lifting driving cylinder and a blowing pipe; the lifting driving cylinders are respectively and fixedly arranged on the bracket B and horizontally arranged in a row at intervals, and piston rods of all the lifting driving cylinders vertically extend downwards; the group of air blowing pipes are respectively and fixedly connected to the piston rods of the group of lifting driving cylinders and are horizontally arranged at intervals to form a row, and each air blowing pipe corresponds to one lifting driving cylinder; the lower end of the air blowing pipe is in an outward-expanded horn shape, and the upper end of the air blowing pipe is communicated with a compressed air source; the piston rod of the lifting driving cylinder stretches out and draws back to enable the air blowing device to switch between a butt joint state and an avoidance state, when the air blowing device is in the butt joint state, the group of air blowing pipes contain the fracture in the group of plasma bags at the fourth position through the lower port of each air blowing pipe, and each air blowing pipe corresponds to one plasma bag; when the insufflation device is in the evasive state, a set of insufflation tubes are positioned directly above a set of plasma bags in a fourth position.

The invention further adopts the technical scheme that: the plasma bag breaking assembly also comprises a pneumatic rotary joint; the pneumatic rotary joints are respectively and fixedly arranged on the bracket B and horizontally arranged in a row at intervals, and each pneumatic rotary joint supplies air for all bag holders arranged on one rotary moving path.

The invention further adopts the technical scheme that: the scribing cutter comprises a cutter seat, a cutter body and a spring; a slide way and a mounting cavity are arranged in the tool apron, one end of the slide way is communicated with the mounting cavity, and the other end of the slide way is communicated to the outer wall surface of the tool apron; one end of the cutter body is slidably arranged in the slideway of the cutter seat, and the other end of the cutter body extends out of the cutter seat; the spring is compressed and arranged in the mounting cavity of the tool apron, two ends of the spring are respectively propped against the wall surface of the mounting cavity of the tool apron and the end part of the tool body, and the tool body is forced to prop against the wall surface of the mounting cavity of the tool apron through elasticity; the cutter is obliquely and fixedly arranged on the sliding block of the synchronous belt guide rail, so that the included angle between the cutter body and the horizontal surface is 45 degrees.

Compared with the prior art, the invention has the following advantages:

1. the automatic bag breaking device realizes automatic bag breaking of frozen plasma bags, automatic discharge of plasma after bag breaking and automatic collection of empty plasma bags, greatly improves the efficiency of the bag breaking operation of the plasma bags, and effectively avoids the pollution of blood products and the safety risk of operators possibly caused by manual operation.

2. In the operation process, five groups of plasma bags in a first position, a second position, a third position, a fourth position and a fifth position synchronously act, the plasma bags are clamped in the first position, a hose of the plasma bags is sheared in the second position, the outer wall of the plasma bags is scratched in the third position, the contents of the plasma bags are discharged through blowing in the fourth position, the empty plasma bags are discharged in the fifth position, the working procedures are connected in a seamless mode, and the working efficiency is high.

3. The air blowing device blows air into the hose fracture of the plasma bag, and the air separates the ice-shaped plasma from the inner wall of the plasma bag, simultaneously, the cutting opening of the plasma bag is opened, and the ice-shaped plasma is conveniently and rapidly discharged from the cutting opening of the plasma bag. The separation and discharge mode has good reliability and repeatability, and when the blowing pressure reaches a certain value, the discharge of ice-shaped plasma from the dividing opening of the plasma bag can be ensured to be 100 percent.

4. The spring that the sword inside set up is drawn has the effect that makes the cutter body laminate the plasma bag surface voluntarily, avoids appearing dividing the mouth part and appears the adhesion and then leads to follow-up unsmooth condition of discharging the plasma piece, and reliability and repeatability are good.

5. The interval time of the chain conveyor moving forwards by one step is a, the required draining time after the empty plasma bags enter the chain conveyor is b, and the number of chain wheels of the chain conveyor can be adaptively designed according to the two parameters, so that the plasma bags enter the chain conveyor and then reach the pushing section through multiple movements (the interval time of each movement is a), and the full draining effect is achieved.

The invention is further described below with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of a plasma bag feeding assembly;

fig. 3 is a schematic diagram of the construction of the lifting drive;

FIG. 4 is a schematic illustration of the construction of the translational transport apparatus;

FIG. 5 is a schematic diagram of the mating relationship of the lift drive and the translational conveyor;

FIG. 6 is a schematic structural view of a pallet;

FIG. 7 is a schematic view of a plasma bag breaking assembly;

FIG. 8 is a view of the relationship between the tube cutting device and the plasma bag in a second position;

FIG. 9 is a diagram of the positional relationship of the bag-scoring device and the plasma bag in a third position;

FIG. 10 is a diagram showing the relationship between the insufflation device and the plasma pouch in a fourth position;

FIG. 11 is a graph of the relationship between the rows of spikes and the plasma bag in a fifth position;

fig. 12 is a schematic structural view of the empty bag recovery assembly.

Legend description: a bracket A11; a belt conveyor 12; a tray 13; a notch 131; motor B141; a case 142; a screw rod B143; a worm 144; a worm wheel 145; a lifting table 15; a screw a161; a guide bar 162; a connection block 163; a stepper motor a164; a base 171; a finger cylinder 172; half claw body 173; a bracket B21; a chain conveyor 22; a pneumatic nozzle clamp 232; a clamping plate 233; pneumatic scissors 241; a timing belt guide 251; a scoring blade 252; a knife holder 2521; a cutter body 2522; a motor 253; a rotation shaft 254; a baffle 255; a lift driving cylinder 261; a blow pipe 262; a pneumatic rotary joint 27; a bracket C31; a chain conveyor 32; a receiving section 321; a drain section 322; a push-out section 323; a spike 325; a hydraulic cylinder 331; a pusher plate 332; a plasma collection tank 41; a hose collection box 42; a raffinate collection tank 43; empty bag collection box 44.

Detailed Description

Example 1:

as shown in fig. 1-12, the parallel air-blown plasma bag breaking system includes a plasma bag feeding assembly, a plasma bag breaking assembly, an empty bag recycling assembly, and a falling object collection kit.

The plasma bag feeding assembly comprises a bracket A11, a belt conveyor 12, a tray 13, a lifting driving device, a lifting table 15, a translation conveying device and a supporting lifter.

The bracket A11 is fixedly arranged on the ground.

The belt conveyor 12 is fixedly mounted directly or indirectly on the support a, on which a linear conveying path (the linear conveying path is the upper surface of the conveying belt of the belt conveyor 12) for conveying the plasma bags is provided.

The plurality of trays 13 are arranged at intervals on the linear conveying path of the belt conveyor. The tray 13 comprises a rectangular bottom plate and four side edges connected to the edge of the bottom plate and extending above the bottom plate, two notches 131 are respectively arranged on two opposite sides of the tray 13, the total of four notches 131 is formed by a vertical notch arranged on the side edge of the tray 13 and a horizontal notch arranged on the bottom plate of the tray, and the vertical notch and the horizontal notch are mutually communicated. The four notches 131 allow the lower ends of the four half-claws 173 of the pair of holding units to extend into.

The lifting driving device comprises a stepping motor B141 and a power steering box. The power steering box comprises a box shell 142, a screw rod B143, a worm 144 and a worm wheel 145. The case 142 is fixedly mounted on the bracket a11, and is provided with a screw rod mounting hole, a worm mounting hole and a worm wheel mounting cavity, wherein the screw rod mounting hole is vertically arranged and penetrates through the upper end and the lower end of the case 142, the worm mounting hole is horizontally arranged and penetrates through the horizontal two ends of the case 142, and the worm wheel mounting cavity is respectively communicated with the screw rod mounting hole and the worm wheel mounting hole. The screw B143 is installed in the screw installation hole of the case 142, both ends of which protrude from the upper and lower ends of the case 142, respectively, and the lower end thereof is fixedly connected with the elevating table 15, and the upper end thereof is a free end (not in contact with other components). The worm 144 is rotatably mounted in a worm mounting hole of the case 142. The middle part of the worm wheel 145 is provided with a threaded hole, the worm wheel 145 is connected to the screw rod B143 through the threaded hole in a threaded mode, is meshed with the worm 144, and is positioned in the worm wheel mounting cavity. The number of the power diversion boxes is two, worm installation holes of the two power diversion boxes are oppositely arranged, and the worms 144 of the two power diversion boxes are connected into a whole (or the worms 144 of the two power diversion boxes are integrally formed) through a coupling. The stepping motor B141 is fixedly arranged on the support A11, a shaft of the stepping motor B is connected with the worm 144 to drive the worm 144 to rotate, the worm 144 drives the worm wheel 145 to rotate through a meshing relationship with the worm wheel 145, the worm wheel 145 drives the screw rod B143 to vertically lift and move through a threaded connection relationship with the screw rod B143, and the screw rod B143 drives the lifting platform 15 to vertically lift and move through a fixedly connected relationship with the lifting platform 15.

The lifting table 15 is fixedly connected to the lower ends of the two screw rods B143 of the lifting driving device and is positioned at the upper end of the tray 13.

The translation conveying device comprises a screw a161, a guide rod 162, a connecting block 163 and a stepping motor a164. The lead screw A161 is horizontally arranged and is positioned at the lower end of the lifting platform 15, two ends of the lead screw A161 are respectively movably arranged on the lifting platform 15, two groups of guide rods 162 are horizontally arranged at two sides of the lead screw A161 and are parallel to the lead screw A161, and two ends of the guide rods 162 are respectively fixedly connected with the lifting platform 15. The connecting block 163 is provided with a threaded hole and two groups of light holes distributed on two sides of the threaded hole, the connecting block 163 is in threaded connection with the screw rod A161 through the threaded hole, and the connecting block 163 forms sliding fit with the two groups of guide rods 162 through the two groups of light holes. The stepper motor A164 is fixedly arranged on the lifting platform 15, and a shaft of the stepper motor A is connected with the end part of the screw rod A to drive the screw rod A to rotate, so that the connecting block 163 is driven to do horizontal reciprocating linear movement along the screw rod A161.

The supporter includes a base 171 and a supporter unit. The base 171 is fixedly connected to the lower end of the connection block 163 of the translation and transportation device, and moves horizontally and reciprocally linearly along with the synchronous movement of the connection block 163. The supporting and lifting units are arranged at the lower end of the base 171, and the supporting and lifting units share a plurality of pairs, and each pair of supporting and lifting units comprises two supporting and lifting units with opposite positions. The lift unit includes a finger cylinder 172 and a half claw 173. One end of the finger cylinder 172 is fixedly installed at the lower end of the base 171, and the other end is provided with two power rods which can only synchronously move in opposite directions or synchronously move in opposite directions. The two half claw bodies 173 are oppositely arranged and fixedly connected to the two power rods of the finger cylinder 172 respectively, so that a lifting port 174 is formed between the two half claw bodies 173. Two lift ports 174 of a pair of lift units are oppositely disposed and form a lift station. The plurality of pairs of supporting and lifting units form a plurality of supporting and lifting stations which are horizontally arranged in parallel. The carrier carries a set of plasma bags from a plurality of trays 13 at one time through a plurality of carrier stations. The supporting and lifting device moves horizontally and reciprocally linearly along with the synchronous movement of the connecting block 163, and then the bag taking position and the bag feeding position are changed, when the supporting and lifting device is positioned at the bag taking position, all supporting and lifting stations are opposite to a plurality of (continuously arranged) trays 13 up and down and correspond to each other one by one, and when the supporting and lifting device is positioned at the bag feeding position, all supporting and lifting stations are staggered up and down with all trays 13.

The blood plasma bag breaking assembly comprises a bracket B21, a chain conveyor 22, a bag clamping device, a pipe shearing device, a bag scribing device and an air blowing device.

The bracket B21 is fixedly arranged on the ground.

The chain conveyor 22 is directly or indirectly fixedly mounted on the bracket B21, on which a plurality of sprocket chain pairs are arranged at intervals and in parallel along the horizontal direction, and the chain in each sprocket chain pair is an annular chain in the vertical plane, so that a plurality of rotary moving paths are formed at intervals and in parallel along the horizontal direction, and all the rotary moving paths are in the vertical plane.

The plurality of bag holders are fixedly installed on all the revolving movement paths of the chain conveyor at the same arrangement intervals and the same installation positions, respectively, and are driven to move by the chain conveyor 22. On all the rotary moving paths, a plurality of bag holders positioned at the same mounting position form a group of bag holders, and a first position, a second position, a third position, a fourth position and a fifth position are sequentially arranged on the moving path of each group of bag holders, so that a group of plasma bags clamped on each group of bag holders sequentially pass through the first position, the second position, the third position, the fourth position and the fifth position. When any one group of bag holders is in the first position, four groups of bag holders adjacent to the front in the moving direction thereof are respectively in the second position, the third position, the fourth position and the fifth position. When the set of bag holders is in the first position, they are used to hold a set of plasma bags from the lift stations of the lift (each bag holder holds a bag of plasma from one of the lift stations). When the group of bag holders is in the fifth position, it is used to transfer the group of plasma bags held by it to the empty bag recovery assembly.

The bag holder comprises two bag holding units. The two bag clamping units are fixedly arranged on the rotary moving path of the chain conveyor 22 at intervals. The bag clamping unit includes a pneumatic nozzle clamp 232 and a clamping plate 233. One end of the pneumatic nozzle clamp 232 is fixedly arranged on the rotary moving path of the chain conveyor 22, and the other end of the pneumatic nozzle clamp is rotationally connected with two rotating handles which can only synchronously rotate in opposite directions or synchronously rotate in opposite directions. Two clamping plates 233 are respectively and fixedly connected to the ends of two rotating handles of the pneumatic nozzle clamp 232, the two clamping plates 233 are driven by the two rotating handles to open or close, and a clamping opening is formed in the area between the two clamping plates 233. The two clamping openings in the bag clamping device are arranged at intervals to form a clamping station together, and the bag clamping device clamps the two side areas of the hose of the plasma bag through the two clamping openings which are arranged at intervals.

The tube cutting device is arranged on the bracket B21 and is matched with the position of the group of plasma bags in the second position, and is used for cutting off the hose in the group of plasma bags in the second position so as to form a fracture on each plasma bag. The pipe cutting device comprises a group of pneumatic scissors 241, and one end of the pneumatic scissors 241 is provided with a cutting opening capable of opening and closing. A group of pneumatic scissors 241 are respectively fixedly arranged on the bracket B21 and are horizontally arranged at intervals in a row, and the group of pneumatic scissors 241 and the group of bag holders at the second position form a one-to-one correspondence. The corresponding relation means that each pneumatic scissors 241 extends into the gap between the two clamping ports of the corresponding bag clamping device, the pneumatic scissors shear the soft tube of the plasma bag through the opening and closing actions of the shearing ports, and the pneumatic scissors do not interfere with the plasma bag and the bag clamping device when shear the soft tube of the plasma bag.

The bag cutting device is arranged on the bracket B21 and is matched with the position of the group of plasma bags in the third position, and is used for cutting the bag bodies in the group of plasma bags in the third position, so that a cut is formed on each plasma bag. The bag dividing device comprises a bag dividing mechanism and a bag blocking mechanism. The bag scraping mechanism and the bag blocking mechanism are distributed on two sides of a group of plasma bags in the third position, the bag scraping mechanism is used for scraping the front surface of the plasma bags, and the bag blocking mechanism is used for propping against the rear surface of the plasma bags. The bag cutting mechanism includes a timing belt guide 251 and a cutter 252. The synchronous belt guide rail 251 is fixedly arranged on the bracket B21, and is provided with a sliding block which moves horizontally and reciprocally in a straight line, and the moving direction of the sliding block is parallel to the arrangement direction of a group of bag holders. The dividing knife 252 is fixedly arranged on the sliding block of the synchronous belt guide rail 251, and the moving path of the dividing knife 252 is positioned below the group of bag holders at the third position. The bag blocking mechanism comprises a motor 253, a rotating shaft 254 and a baffle 255. The motor 253 is fixedly installed on the bracket B21, and the shaft of the motor horizontally extends out. One end of the rotating shaft 254 is movably arranged at the lower end of the bracket B21, and the other end is connected with the shaft of the motor 253. The baffle 255 is fixedly mounted on the rotating shaft 254, and is rotated by the rotating shaft 254 to switch between an erect state and a collapsed state, when the baffle 255 is in the erect state, it is used to abut against the rear surfaces of a group of plasma bags in the third position, and when the baffle 255 is in the collapsed state, it avoids the moving path of a group of plasma bags.

The insufflation device is mounted on the support B21 and is adapted to the position of the set of plasma bags in the fourth position. For blowing air towards the interruptions in the set of plasma bags in the fourth position, so that the plasma cake in each plasma bag is discharged from the slit of the plasma bag. The blowing means includes a lift driving cylinder 261 and a blowing pipe 262. A group of lift driving cylinders 261 are fixedly installed on the support B21 respectively, and are horizontally arranged at intervals in a row, and piston rods of all lift driving cylinders 261 extend vertically downwards. The air blowing pipes 262 are respectively and fixedly connected to the piston rods of the lifting driving cylinders 261, and are horizontally arranged at intervals to form a row, and each air blowing pipe 262 corresponds to one lifting driving cylinder 261. The lower end of the air blowing pipe 262 is in an outward-expanded horn shape, and the upper end of the air blowing pipe 262 is communicated with a compressed air source. The piston rod of the lifting driving cylinder 261 stretches and contracts so as to switch the air blowing device between a butting state and an avoiding state. When the insufflation device is in the docked state, the set of insufflation tubes 262 contains the interruptions in the set of plasma bags in the fourth position through the lower port of each insufflation tube 262, one for each insufflation tube 262. When the insufflation device is in the evasive state, the set of insufflation tubes 262 is located directly above the set of plasma bags in the fourth position.

The empty bag recycling assembly comprises a bracket C31, a chain conveyor 32 and an empty bag pushing device.

The bracket C31 is fixedly arranged on the ground.

The chain conveyor 32 is directly or indirectly fixedly mounted on the support C31, on which a rotary conveying path in a horizontal plane is provided, on which a receiving section 321, a draining section 322 and a pushing section 323 are sequentially provided, on which a horizontally arranged spike row is provided, which surrounds the rotary conveying path one round and extends out of the rotary conveying path, and which consists of a plurality of spikes 325 arranged at intervals, one end of each spike 325 is fixedly connected to the rotary conveying path, and the other end of each spike 325 extends out of the rotary conveying path horizontally perpendicular to the rotary conveying path. The chain conveyor 32 drives the spikes 325 along the carryway and through the receiving section 321, the draining section 322, and the ejecting section 323 in that order. The spikes 325 in the receiving section 321 are disposed in close proximity and one-to-one correspondence with a group of plasma bags in a fifth position. The spike 325 at the ejector section 323 is positioned opposite the empty bag ejector.

The empty bag ejector is fixedly mounted on the carrier C31 and is arranged next to the ejector section 323 of the rotary transport path. The empty bag pushing device includes a hydraulic cylinder 331 and a push plate 332. The hydraulic cylinder 331 is directly or indirectly fixedly mounted on the support C31, and a piston rod thereof horizontally extends and is fixedly connected with the push plate 332. When the piston rod of the hydraulic cylinder 331 is retracted, the push plate 332 avoids the path of movement of the spike 325, which serves to push out all the plasma bags collected on the spike 325 at the push-out section 323 at one time when the piston rod of the hydraulic cylinder 331 is extended.

The falling object collection kit includes a plasma collection tank 41, a hose collection box 42, a residual liquid collection tank 43, and an empty bag collection box 44. The plasma collecting tank 41 is fixedly arranged on the ground and is positioned under the tube cutting device, the bag cutting device and the air blowing device, and one side of the plasma collecting tank is provided with a plasma outlet. The hose collection box 42 is movably installed on the bracket B21 and is located right below the tube cutting device and above the plasma collection tank 41, and is used for collecting the hose of the plasma bag cut by the tube cutting device, and the bottom of the hose is provided with a draining hole. The residual liquid collecting tank 43 is fixedly installed on the ground and located right below the receiving section 321 and the draining section 322 of the rotary transmission path, and is used for collecting residual plasma drained from the empty plasma bag. The empty bag collection box 44 is movably mounted on the support frame C31 and is located directly below the push-out section 323 of the swing transmission path for collecting the empty bags of plasma bags pushed out by the empty bag push-out device.

Preferably, the scoring blade 252 includes a blade seat 2521, a blade body 2522, and a spring. The inside slide and the installation cavity of being equipped with of blade holder 2521, slide one end and installation cavity intercommunication, the other end link up to blade holder 2521 outer wall. One end of the cutter body 2522 is slidably mounted in a slide way of the cutter holder 2521, and the other end of the cutter body 2522 extends out of the cutter holder 2521. The spring is compressed and arranged in the mounting cavity of the tool holder 2521, two ends of the spring are respectively propped against the wall surface of the mounting cavity of the tool holder 2521 and the end part of the tool body 2522, and the tool body 2522 is forced to prop against the wall surface of the mounting cavity of the tool holder 2521 through elastic force; the scribing cutter 252 is obliquely and fixedly arranged on the sliding block of the synchronous belt guide rail 251 so that the cutter body 2522 forms an included angle of 45 degrees with the horizontal plane.

Preferably, the plasma bag breaking assembly further comprises a pneumatic rotary joint 27. The pneumatic rotary joints 27 are respectively and fixedly arranged on the support B21 and are horizontally arranged in a row at intervals, and each pneumatic rotary joint 27 respectively supplies air to all bag holders arranged on one rotary moving path so as to prevent air supply pipelines of the bag holders from winding in the rotary moving process.

Preferably, the chain conveyor 32 is provided with n (n is greater than or equal to 3) sprockets distributed in a ring shape and a chain wound between the n sprockets, the chain is on a horizontal plane and forms a rotary transmission path through rotation, the n sprockets divide the rotary transmission path into n sections which are equal in length and enclose a circle, a receiving section 321 (for receiving empty plasma bags) and a pushing section 323 (for discharging empty plasma bags) are respectively two sections connected in the n sections, and a draining section 322 (for draining residual blood in the plasma bags) is the other sections except the receiving section 321 and the pushing section 323 in the n sections. With this configuration, the number of sprockets can be adaptively set according to the draining time of the plasma bags and the interval time of each group of plasma bags entering the chain conveyor 32, so that the plasma bags can be sufficiently drained. For example, if the draining time of the plasma bags after entering the chain conveyor 32 is 59s and the interval time between the plasma bags of each group entering the chain conveyor 32 is 20s, setting n=4 makes it possible to achieve a sufficient draining effect by moving the plasma bags 3 times (20 s×3=60 s) after entering the chain conveyor 32 to reach the push-out section.

The method for breaking the plasma bags is applied to the parallel air-blowing type plasma bag breaking system, and before the operation of breaking the plasma bags is executed, the parallel air-blowing type plasma bag breaking system is in an initial state, and in the initial state:

a. the lifting table 15 is at the upper end of its travel;

b. the supporting and lifting device is positioned at the bag taking position;

c. the opening degrees of all the lifting openings in the lifting device are opened to the maximum;

d. all clamping openings in the group of bag holders at the first position are opened;

e. all the shearing openings in the pipe shearing device are opened;

f. the cutter 252 of the bag cutting mechanism moves to one end of the synchronous belt guide rail 251;

g. the baffle 255 in the bag blocking mechanism is in a laying state;

h. the blowing device is in an avoidance state;

i. the piston rod of the hydraulic cylinder 331 is retracted to avoid the push plate 332 from the path of travel of the spike 325.

The bag breaking operation is as follows:

s01, a supporting and lifting device supports and fetches a plasma bag from a tray:

a. placing at least one set of plasma bags on a plurality of consecutive trays 13 and ensuring that only one bag of plasma is placed on each tray 13;

b. the stepping motor B141 of the lifting driving device is started to drive the worms 144 of the two power steering boxes to synchronously rotate, the two worms 144 respectively drive the correspondingly meshed worm gears 145 to synchronously rotate, the two worm gears 145 respectively drive the correspondingly rotatably matched screw rods B143 to synchronously move downwards, the two screw rods B143 synchronously move downwards to drive the lifting table 15 and the supporting and lifting device to descend, and when all supporting and lifting stations in the supporting and lifting device contain a group of plasma bags on the tray 13, the stepping motor B141 pauses operation;

c. The finger air cylinders 172 in the supporting and lifting device act, and the two power rods of each finger air cylinder 172 synchronously move in opposite directions, so that the lower ends of the half claw bodies 173 extend into the corresponding notches 131 of the corresponding trays 13, and the opening of the supporting and lifting port is reduced to pinch the corresponding plasma bags;

d. the stepping motor B141 of the lifting driving device is started to drive the worms 144 of the two power diversion boxes to synchronously rotate, the two worms 144 respectively drive the correspondingly meshed worm gears 145 to synchronously rotate, the two worm gears 145 respectively drive the correspondingly rotatably matched screw rods B143 to synchronously move upwards, the two screw rods B143 synchronously move upwards to drive the lifting table 15 and the supporting and lifting device to lift, the supporting and lifting device supports a group of plasma bags on a plurality of continuous trays 13 through a plurality of pairs of supporting and lifting units, when a group of plasma bags supported by the supporting and lifting device are level with a group of bag holders at a first position, the plasma bags are in one-to-one correspondence with the bag holders, and the stepping motor B141 pauses operation.

Before the step a is started, the plasma bag is a cleaned frozen plasma bag.

When the step c is completed, the four half-edge claw bodies 173 contained in each pair of supporting and lifting units respectively extend into the four notches 131 of the corresponding tray 13, so that each pair of supporting and lifting units hooks a bag of plasma from four places.

In step d of this step, each pair of holding units holds up a bag of plasma by the four half-claw bodies 173 contained therein.

When the step d is completed, the one-to-one correspondence means that one side of the plasma bag provided with the hose is opposite to the clamping station of the bag clamping device, and the sides of the plasma bag positioned on two sides of the hose are opposite to the two clamping openings in the clamping station respectively.

S02, clamping the plasma bag from the supporting and lifting device by the bag clamping device:

a. a stepping motor A141 of the translation conveying device is started to drive the supporting and lifting device to move from a bag taking position to a bag conveying position; when the supporting and lifting device moves to the bag feeding position, a group of plasma bags supported and fetched by the supporting and lifting device are kept flush with a group of bag holders at a first position, and the plasma bags are in one-to-one correspondence with the bag holders;

b. the pneumatic water gap clamps 232 in the group of bag clamps at the first position act to enable the two clamping plates 233 connected to the two rotating handles of the pneumatic water gap clamps 232 to be folded, so that the bag clamps clamp the corresponding plasma bags through the two clamping openings which are arranged at intervals;

c. the finger air cylinders 172 in the supporting and lifting device act, and the two power rods of each finger air cylinder 172 synchronously move back to the opposite directions, so that the lower ends of the half claw bodies 173 withdraw from the corresponding notches 131 of the corresponding trays 13, and the opening of the supporting and lifting opening is enlarged to loosen the corresponding plasma bags; then, the stepping motor A141 of the translational conveying device is started to drive the supporting and lifting device to move from the bag feeding position to the bag taking position, so that preparation for supporting and taking a group of plasma bags is made.

In the step a, the one-to-one correspondence means that the edges of the plasma bags positioned on two sides of the hose respectively extend into the two clamping openings of the corresponding bag clamping device.

When the step b is completed, the group of bag holders at the first position clamp a group of plasma bags supported by the supporting and lifting device, and the positions of the bag holders clamping the plasma bags are positioned at the edges of the two sides of the flexible tube of the plasma bags.

S03, cutting off a hose of the plasma bag by the tube cutting device:

a. the chain conveyor 22 is activated to move the set of bag holders in the first position and the set of plasma bags held thereby to the second position;

b. the group of pneumatic scissors 241 contained in the tube shearing device synchronously act to shear all the hoses of the group of plasma bags at the second position; the hose is then dropped into the hose collection box 42, and the ice-like plasma in the hose is melted and discharged from the hose, and then drops into the plasma collection tank 41 through the drain hole in the bottom of the hose collection box 42.

When the step a of the step is completed, a group of pneumatic scissors 241 contained in the pipe cutting device and a group of bag clamping devices at the second position form a one-to-one correspondence, and the correspondence means that each pneumatic scissors 241 extends between two clamping ports of the corresponding bag clamping device.

When the step b of the step is completed, the length of the hose remained on the plasma bag is 8-12mm.

S04, the bag scratching device scratches the outer wall of the plasma bag:

a. the chain conveyor 22 is activated to move the set of bag holders in the second position and the set of plasma bags held thereby to the third position;

b. the motor 253 of the bag blocking mechanism is started to drive the baffle 255 to rotate from a falling state to an upright state so as to prop against the rear surface of a group of plasma bags in a third position;

c. the synchronous belt guide rail 251 of the bag dividing mechanism is started, the dividing knife 252 is driven to move from one end to the other end of the synchronous belt guide rail 251, and the front surfaces of a group of plasma bags at the third position are divided;

d. the motor 253 of the bag blocking mechanism is started to drive the baffle 255 to rotate from the upright state to the laying state, so that a path for the subsequent movement of the plasma bag is avoided.

When the step a of the step is finished, a group of plasma bags positioned at the third position are matched with the position of the bag dividing device, namely, are positioned between the bag dividing mechanism and the bag blocking mechanism.

In step c of this step, the rear surface of the plasma bag is pressed against the barrier 255 when the knife 252 is slid over the plasma bag, thereby ensuring that the penetration force of the knife 252 is sufficient to break the outer wall of the plasma bag.

When the step c of the step is completed, the dividing opening on the plasma bag is in a horizontal line, extends from one side of the plasma bag to the other side and is positioned in a section 1-2cm above the lower edge of the plasma bag.

S05, blowing out the ice-shaped plasma blocks in the plasma bag by the blowing device:

a. the chain conveyor 22 is activated to move the group of bag holders and the group of plasma bags held thereby in the third position from the third position to the fourth position;

b. the piston rods of a group of lifting driving cylinders 261 in the air blowing device extend out, so that the air blowing device is switched from an avoidance state to a butt joint state; when the insufflation device is in the docked state, the lower ports of the set of insufflation tubes 262 contain the interruptions in the set of plasma bags in the fourth position;

c. starting a compressed air source, blowing out compressed air with a certain pressure from the lower end of the air blowing pipe 262, entering the plasma bag through a fracture at the upper end of the plasma bag, and finally discharging from a scratch at the lower end of the plasma bag; in the above process, when compressed air enters the plasma bag, the inner wall of the plasma bag is separated from the ice-shaped plasma, and when the compressed air is discharged from the plasma bag, the opening at the lower end of the plasma bag is opened, so that the ice-shaped plasma in the plasma bag is discharged from the opening of the plasma bag and falls into the plasma collecting tank 41.

When the step a of the step is completed, the group of plasma bags at the fourth position is matched with the position of the air blowing device, namely, is positioned right below the air blowing device.

In this step, when the capacity of the plasma bag is 550-650ml, the corresponding air blowing time is 5-8s, and the corresponding air pressure is not less than 1.05MPa.

S06, transferring the plasma bags onto a chain conveyor by using a bag clamping device:

a. the chain conveyor 22 is activated to move the group of bag holders and the group of plasma bags held thereby in the fourth position from the fourth position to the fifth position; since the group of plasma bags in the fifth position are arranged in close proximity and in one-to-one correspondence with the spikes 325 in the receiving section 321, the plasma bags are pierced on the corresponding spikes 325 at the same time as reaching the fifth position;

b. the pneumatic nozzle clamp 232 in the set of bag holders in the fifth position is actuated to separate the two clamping plates 233 attached to the two rotatable handles of the pneumatic nozzle clamp 232, causing the bag holders to release the corresponding plasma bags, thereby transferring a set of empty plasma bags to the spike 325 in the receiving section 321.

In this step, the position of the spike 325 that pierces the plasma bag is located on the vertical centerline of the plasma bag and is 0.45-0.55h from the lower edge of the plasma bag, where h is the distance from the upper edge to the lower edge of the plasma bag.

S07, unloading the empty plasma bags on the chain conveyor by the empty bag pushing device:

a. every time the collection of a predetermined number of empty plasma bags by the spike 325 on the receiving section 321, the chain conveyor 32 drives the return conveying path to move forward one section, so that the spike 325 on the receiving section 321 moves to the draining section 322, and the spike 325 on the pushing section 323 moves to the receiving section 321;

b. when the piston rod of the hydraulic cylinder 331 of the empty bag pushing device stretches out and draws back once after the rotary transmission path moves forward for a certain period, the empty plasma bags moved to the pushing section 323 are pushed out all at once through the push plate 332, the pushed empty plasma bags fall into the empty bag collecting box 44 to wait for concentrated dumping treatment, and the piston rod of the hydraulic cylinder 331 is retracted, so that the moving path of the piercing spike 325 is avoided.

In this step, when the empty plasma bags are in the receiving section 321 or the draining section 322, the residual plasma in the plasma bags drops down and is collected by the residual liquid collection tank 43, and when the spikes 325 in the pushing section 323 return to the receiving section 321, they are used to receive a group of empty plasma bags.

Claims

1. The parallel air-blowing type plasma bag breaking system is characterized in that: comprises a plasma bag feeding assembly, a plasma bag breaking assembly, an empty bag recycling assembly and a falling object collecting sleeve;

2. The parallel air-blown plasma pouch breaking system of claim 1, wherein: the chain conveyor is provided with n chain wheels which are annularly and uniformly distributed and a chain which is wound between the n chain wheels, the chain is positioned on a horizontal plane and forms a rotary conveying path through rotation, the n chain wheels divide the rotary conveying path into n sections which are equal in length and form a circle, the receiving section and the pushing section are respectively two sections which are connected in the n sections, and the draining section is other sections except the receiving section and the pushing section in the n sections; n is more than or equal to 3.

3. The parallel air-blown plasma pouch breaking system as defined in claim 2, wherein: the translation conveying device comprises a screw rod A, a guide rod, a connecting block and a stepping motor A; the screw rod A is horizontally arranged and positioned at the lower end of the lifting platform, two ends of the screw rod A are respectively movably arranged on the lifting platform, two groups of guide rods are horizontally arranged at two sides of the screw rod A and are parallel to the screw rod A, and two ends of the guide rods are respectively fixedly connected with the lifting platform; the connecting block is provided with a threaded hole and two groups of unthreaded holes distributed on two sides of the threaded hole, the connecting block is in threaded connection with the screw rod A through the threaded hole, and the connecting block is in sliding fit with the two groups of guide rods through the two groups of unthreaded holes; the stepping motor A is fixedly arranged on the lifting table, and a shaft of the stepping motor A is connected with the end part of the screw rod A to drive the screw rod A to rotate, so that the connecting block is driven to do horizontal reciprocating linear movement along the screw rod A.

4. A parallel air-blown plasma pouch breaking system as defined in claim 3, wherein: the supporting and lifting device comprises a base and a supporting and lifting unit; the base is fixedly connected to the lower end of the connecting block of the translation conveying device; the supporting and lifting units are arranged at the lower end of the base, the supporting and lifting units share a plurality of pairs, and each pair of supporting and lifting units comprises two supporting and lifting units with opposite positions; the supporting and lifting unit comprises a finger cylinder and a half claw body; one end of the finger cylinder is fixedly arranged at the lower end of the base, and the other end of the finger cylinder is provided with two power rods which can only synchronously move in opposite directions or synchronously move back to each other; the two half claw bodies are oppositely arranged and respectively fixedly connected to the two power rods of the finger cylinder, so that a supporting and lifting opening is formed between the two half claw bodies; two supporting openings in the pair of supporting units are oppositely arranged and form a supporting station; correspondingly, the tray comprises a rectangular bottom plate and four side edges connected to the edge of the bottom plate and extending upwards, two notches are respectively arranged on two opposite sides of the tray, the four notches are formed by vertical notches arranged on the side edges of the tray and horizontal notches arranged on the bottom plate of the tray, and the vertical notches and the horizontal notches are mutually communicated; the lower ends of the four half claw bodies in the pair of supporting and lifting units can extend into the four notches.

5. The parallel air-blown plasma pouch breaking system of claim 4, wherein: the lifting driving device comprises a stepping motor B and a power steering box; the power steering box comprises a box shell, a screw rod B, a worm and a worm wheel; the box shell is fixedly arranged on the bracket A, a screw rod mounting hole, a worm mounting hole and a worm wheel mounting cavity are arranged in the box shell, the screw rod mounting hole is vertically arranged and penetrates through the upper end and the lower end of the box shell, the worm mounting hole is horizontally arranged and penetrates through the horizontal two ends of the box shell, and the worm wheel mounting cavity is respectively communicated with the screw rod mounting hole and the worm mounting hole; the screw rod B is arranged in a screw rod mounting hole of the box shell, two ends of the screw rod B extend out of the upper end and the lower end of the box shell respectively, the lower end of the screw rod B is fixedly connected with the lifting table, and the upper end of the screw rod B is a free end; the worm is rotatably arranged in the worm mounting hole of the case shell; the middle part of the worm wheel is provided with a threaded hole, and the worm wheel is connected to the screw rod B through the threaded hole, is meshed with the worm and is positioned in the worm wheel mounting cavity; the number of the power steering boxes is two, worm installation holes of the two power steering boxes are oppositely arranged, and the worms of the two power steering boxes are connected into a whole through a coupler; the stepping motor B is fixedly arranged on the bracket A, and a shaft of the stepping motor B is connected with the worm to drive the worm to rotate.

6. The parallel air-blown plasma pouch breaking system of claim 5, wherein: the bag clamping device comprises two bag clamping units; the two bag clamping units are fixedly arranged on the rotary moving path of the chain conveyor at intervals; the bag clamping unit comprises a pneumatic water gap clamp and a clamping plate; one end of the pneumatic nozzle clamp is fixedly arranged on a rotary moving path of the chain conveyor, and the other end of the pneumatic nozzle clamp is rotationally connected with two rotating handles which can only synchronously rotate in opposite directions or synchronously rotate in opposite directions; the two clamping plates are respectively and fixedly connected to the ends of the two rotating handles of the pneumatic nozzle clamp, the two clamping plates are driven by the two rotating handles to open or close, and a clamping opening is formed in the area between the two clamping plates; two clamping openings in the bag clamping device are arranged at intervals and form a clamping station, and the bag clamping device clamps the two side areas of the hose of the plasma bag through the two clamping openings which are arranged at intervals.

7. The parallel air-blown plasma pouch breaking system of claim 6, wherein: the pipe shearing device comprises a group of pneumatic scissors, and one end of each pneumatic scissors is provided with a shearing opening capable of opening and closing; the group of pneumatic scissors are respectively and fixedly arranged on the bracket B and are horizontally arranged in a row at intervals, and the group of pneumatic scissors and the group of bag holders at the second position form a one-to-one correspondence; the corresponding relation means that each pneumatic scissors extends into a gap between two clamping ports of the corresponding bag clamping device.

8. The parallel air-blown plasma pouch breaking system of claim 7, wherein: the bag dividing device comprises a bag dividing mechanism and a bag blocking mechanism; the bag scraping mechanism and the bag blocking mechanism are distributed on two sides of a group of plasma bags at a third position, the bag scraping mechanism is used for scraping the front surface of the plasma bags, and the bag blocking mechanism is used for propping against the rear surface of the plasma bags; the bag drawing mechanism comprises a synchronous belt guide rail and a drawing cutter; the synchronous belt guide rail is fixedly arranged on the bracket B, a sliding block which moves horizontally and reciprocally in a straight line is arranged on the synchronous belt guide rail, and the moving direction of the sliding block is parallel to the arrangement direction of a group of bag holders; the cutter is fixedly arranged on a sliding block of the synchronous belt guide rail, and the moving path of the cutter is positioned below a group of bag holders positioned at a third position; the bag blocking mechanism comprises a motor, a rotating shaft and a baffle plate; the motor is fixedly arranged on the bracket B, and the shaft of the motor horizontally extends out; one end of the rotating shaft is movably arranged at the lower end of the bracket B, and the other end of the rotating shaft is connected with the shaft of the motor; the baffle is fixedly arranged on the rotating shaft, is driven by the rotating shaft to rotate and is switched between an erect state and a collapsed state, when the baffle is in the erect state, the baffle is used for propping against the rear surface of a group of plasma bags in a third position, and when the baffle is in the collapsed state, the baffle avoids the moving path of the group of plasma bags.

9. The parallel air-blown plasma pouch breaking system of claim 8, wherein: the blowing device comprises a lifting driving cylinder and a blowing pipe; the lifting driving cylinders are respectively and fixedly arranged on the bracket B and horizontally arranged in a row at intervals, and piston rods of all the lifting driving cylinders vertically extend downwards; the group of air blowing pipes are respectively and fixedly connected to the piston rods of the group of lifting driving cylinders and are horizontally arranged at intervals to form a row, and each air blowing pipe corresponds to one lifting driving cylinder; the lower end of the air blowing pipe is in an outward-expanded horn shape, and the upper end of the air blowing pipe is communicated with a compressed air source; the piston rod of the lifting driving cylinder stretches out and draws back to enable the air blowing device to switch between a butt joint state and an avoidance state, when the air blowing device is in the butt joint state, the group of air blowing pipes contain the fracture in the group of plasma bags at the fourth position through the lower port of each air blowing pipe, and each air blowing pipe corresponds to one plasma bag; when the insufflation device is in the evasive state, a set of insufflation tubes are positioned directly above a set of plasma bags in a fourth position.

10. The parallel air-blown plasma pouch breaking system of claim 9, wherein: the plasma bag breaking assembly also comprises a pneumatic rotary joint; the pneumatic rotary joints are respectively and fixedly arranged on the bracket B and horizontally arranged in a row at intervals, and each pneumatic rotary joint supplies air for all bag holders arranged on one rotary moving path; the scribing cutter comprises a cutter seat, a cutter body and a spring; a slide way and a mounting cavity are arranged in the tool apron, one end of the slide way is communicated with the mounting cavity, and the other end of the slide way is communicated to the outer wall surface of the tool apron; one end of the cutter body is slidably arranged in the slideway of the cutter seat, and the other end of the cutter body extends out of the cutter seat; the spring is compressed and arranged in the mounting cavity of the tool apron, two ends of the spring are respectively propped against the wall surface of the mounting cavity of the tool apron and the end part of the tool body, and the tool body is forced to prop against the wall surface of the mounting cavity of the tool apron through elasticity; the cutter is obliquely and fixedly arranged on the sliding block of the synchronous belt guide rail, so that the included angle between the cutter body and the horizontal surface is 45 degrees.