CN113665175B - Automatic bag making machine for blood bag - Google Patents

Abstract

The invention discloses an automatic bag making machine for blood bags, which belongs to the technical field of blood bag production equipment and aims to provide an automatic bag making machine with high blood bag processing efficiency and good forming performance.

Description

Automatic bag making machine for blood bag

Technical Field

The invention relates to blood bag production equipment, in particular to an automatic bag making machine for blood bags.

Background

In the prior art, in the production process of blood bags, a blood bag making machine makes two rolls of PVC film materials into blood bag finished products through the procedures of film release, half cutting, film drawing, spot welding, punching, tube feeding, bag opening, high-frequency welding, bag cutting, edge tearing, output and the like; the blood bag is provided with a reflux valve, the reflux valve is composed of a valve body and a valve sleeve, and the reflux valve is generally required to be assembled and processed firstly when the blood bag is processed, so that the step of assembling the reflux valve is added before the blood bag is processed, and the complexity of processing the blood bag is increased;

the existing blood bag making machine is not stable and perfect enough for the processes of pulling, tension adjustment, fusion welding, cutting and the like of a membrane material in the process of processing and manufacturing the blood bag, so that the accuracy and the forming of the blood bag processing are influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automatic bag making machine which is high in blood bag processing efficiency and good in forming.

In order to realize the purpose, the invention provides the following technical scheme:

the automatic blood bag making machine comprises a feeding device for feeding and processing two membrane materials, a preprocessing device for fusion welding and pre-cutting the head parts of the two membrane materials, a fusion welding device for welding the membrane materials and the tube materials, an upper tube device for transmitting a circular tube, a breaking valve and a backflow valve to a position between the two membrane materials, a notch bag cutting device for cutting and forming the bag body and corresponding to the breaking part, a blanking device for grabbing and blanking the bag body and removing waste materials, and a membrane pulling device for moving the two membrane materials to corresponding stations in a bag making process, wherein the breaking part corresponds to the backflow valve, and the breaking valve and the circular tube correspond to the pre-cutting part; the fusion welding device is used for welding the circular tube, the breaking valve and the reflux valve with the two film materials, welding the heads of the two film materials to form a sealing bag for coating the reflux valve, welding the two film materials together and forming a bag body, and the tearing part is positioned on the sealing bag.

Further, preprocessing device is including cutting mechanism and premelting mechanism in advance, cutting mechanism includes reciprocating motion's precutting head and with the first complex precutting seat in advance, the precutting head moves and cuts out two incisions that correspond with rupture valve and pipe on two membrane materials to the seat in advance, premelting mechanism includes that the last premelting head of reciprocal movement reaches premelting head down, go up premelting head and premelting head fuse on with down forms tearing part with fusion welding on two membrane materials, tearing part is the Y form, tearing part comprises a plurality of fusion welding lines, form between two adjacent fusion welding lines and tear the groove.

Further, the feeding device comprises a feeding mechanism, a deviation correcting mechanism, a foreign matter removing mechanism, an electrostatic rod and a tension adjusting mechanism, wherein the deviation correcting mechanism comprises an inductor for sensing the position of the membrane material and a deviation correcting seat for adjusting one of the membrane materials, and the deviation correcting seat horizontally slides and drives the membrane material to move;

furthermore, the tension adjusting mechanism comprises a support frame and two adjusting parts arranged on the support frame, the two adjusting parts are respectively used for adjusting the tension of two membrane materials, each adjusting part comprises an adjusting support fixedly connected with the support frame and a sliding support in sliding connection with the support frame, each adjusting support comprises at least two first rotating rollers, each sliding support comprises a sliding seat in sliding connection with the support frame, at least one second rotating roller connected with the sliding seat, a static pulley in rotating connection with the support frame and a balancing weight connected with the sliding seat through a rope, the balancing weight is matched with the sliding support, the static pulley is arranged above the sliding seat, and the rope is movably connected with the static pulley;

further, arrange on two regulating parts perpendicular direction, two membrane materials pass through first live-rollers and second live-rollers on two regulating parts respectively, the path of two membrane materials is wavy, and a membrane material extends to the seat of rectifying, another membrane material passes from the mechanism below of rectifying, the membrane material is promoted to make sliding bracket upwards slide and make the balancing weight downstream, membrane material is behind the drop feed mechanism pay-off simultaneously, sliding bracket resets the downstream under the effect of gravity, and drive the balancing weight and reset the upstream, sliding bracket adjusts the tension of membrane material with the balancing weight cooperation.

Further, the pipe feeding device comprises a circular pipe feeding mechanism, a breaking valve feeding mechanism, a backflow valve feeding mechanism, a pipe grabbing mechanism and a pipe conveying mechanism, wherein the circular pipe feeding mechanism, the breaking valve feeding mechanism and the backflow valve feeding mechanism respectively comprise a vibrating disc, a placing seat and a guide rail communicated with the vibrating disc and the placing seat;

further, the pipe conveying mechanism comprises a base station, a conveying seat connected with the base station in a sliding mode and a bearing plate fixed on the conveying seat, the bearing plate is used for placing and fixing the circular pipe, the breaking valve and the reflux valve, and the conveying seat slides towards the fusion welding device;

further, tubular product snatchs mechanism includes the base, with the base rotation be connected the rotor arm, the manipulator of being connected with the rotor arm, the manipulator is including being used for snatching the pipe of pipe and grabbing the piece, be used for snatching the rupture valve of rupture valve and grabbing the piece and be used for snatching the backward flow valve of backward flow valve and grabbing the piece, the rotor arm rotates and drives the manipulator and through pipe feed mechanism, the seat of placing on rupture valve feed mechanism and the backward flow valve feed machine, the manipulator snatchs tubular product to the loading board on.

Furthermore, the fusion welding device comprises a head fusion welding mechanism, a bag-shaped fusion welding mechanism and a needle drawing mechanism, wherein the head fusion welding mechanism comprises a fusion welding upper die and a fusion welding lower die which are matched with each other, the fusion welding upper die and the fusion welding lower die are both provided with a welding edge part used for welding the head part of the blood bag and a welding pipe part used for welding a pipe on the two film materials, the welding pipe part comprises a first die cavity used for welding a round pipe, a second die cavity used for welding a breaking valve and a third die cavity used for welding a reflux valve, a fourth die cavity communicated with the third die cavity is formed in the welding edge part, and the bag-shaped fusion welding mechanism comprises a forming die used for fusion welding the two layers of film materials and forming the bag body and a bearing die matched with the forming die and used for bearing the film materials;

further, the needle drawing mechanism includes the needle drawing frame, gliding needle drawing subassembly in the needle drawing frame, be fixed in the needle drawing frame and promote needle drawing subassembly reciprocating motion's servo motor, the needle drawing subassembly include with servo motor lead screw swing joint's removal base, be fixed in a plurality of needle drawing spare on the base, a plurality of needle drawing spare stretch into between the two-layer membrane material, servo motor drive needle drawing spare removes to the direction of loading board, and a plurality of needle drawing spare with the pipe on the loading board, break valve and reflux valve peg graft one by one and drive to on the fusion welding mould and between the fusion welding bed die.

Further, the bag cutting device comprises a cutting die used for forming and cutting the bag body and a die cutting table matched with the cutting die, a bag-shaped cutting edge formed by cutting the cutting die is in butt joint with a notch formed by cutting the precutting head, the cutting die comprises a V-shaped cutter head for cutting the head of the blood bag into a V-shaped tearing opening, and the V-shaped tearing opening extends to the tearing part.

Furthermore, the blanking device comprises an edge tearing mechanism for processing the film waste, a bag grabbing mechanism for blanking and transmitting the blood bag and a transmission mechanism for transmitting the waste and the blood bag, the transmission mechanism comprises a first transmission belt matched with the bag grabbing mechanism and a second transmission belt matched with the edge tearing mechanism,

further, the edge tearing mechanism comprises a waste frame and two edge tearing assemblies arranged on two sides of the membrane material, each edge tearing assembly comprises a first slide rail, a moving seat connected with the first slide rail in a sliding manner, and a clamping hand fixed on the moving seat, the clamping hand is used for clamping the edge side of the membrane material, the moving seat drives the waste to slide to a second conveying belt, the second conveying belt extends to the waste frame,

furthermore, grab a bag mechanism and include the second slide rail, with second slide rail sliding connection hang the seat, with hang the cantilever that the seat passes through the telescopic link and is connected and be fixed in the bag piece that inhales on the cantilever, the cantilever removes and inhales the bag piece and adsorbs the blood bag to the direction of blood bag, hangs the seat and slides and drive the blood bag and remove to first transmission band on the second slide rail.

Furthermore, the film drawing device comprises a material pressing mechanism and at least two material drawing mechanisms, the fusion welding device is arranged between the two material drawing mechanisms, the film drawing device and the edge tearing assembly synchronously move, the material drawing mechanism comprises a bearing grid plate and a material drawing assembly, the bearing grid plate comprises a plurality of material drawing channels, the material drawing assembly comprises a sliding column, a frame body in sliding connection with the sliding column, a bottom plate connected with the frame body, a first air cylinder fixed on the frame body and a top plate connected with the first air cylinder, the bearing fence is arranged between the top plate and the bottom plate, the bottom plate is provided with an extrusion block matched with the top plate, and the first air cylinder pushes the top plate to move and enables the extrusion block to be matched with the top plate to clamp the film material;

furthermore, the material pressing mechanism comprises a material pressing frame, a material pressing bottom plate fixed on the material pressing frame, a second air cylinder fixed on the material pressing frame, a material pressing top plate connected with the second air cylinder, a material pressing bottom plate and a material pressing top plate, wherein a material pressing space is formed between the material pressing bottom plate and the material pressing top plate, and the second air cylinder pushes the material pressing top plate to move and is matched with the material pressing bottom plate to clamp and fix the film.

Furthermore, drop feed mechanism includes inflatable shaft and transition piece, and the transition piece includes the fixing base, rotates the first grip roll of being connected with the fixing base, the transition frame of being connected with the fixing base, rotates the second grip roll of being connected with the transition frame, connects the spring of second grip roll and transition frame, and the spring makes the second grip roll contradict to first grip roll pivoted trend and first grip roll and second grip roll.

Further, material feeding unit still includes removes foreign matter mechanism, static stick, and the static stick stretches into between two membranes, removes the dust absorption subassembly that foreign matter mechanism includes the dust catcher and is connected with the dust catcher, and the dust absorption subassembly stretches into between two membranes.

By adopting the technical scheme, the invention has the beneficial effects that:

1. when the blood bag is processed, the processing of the blood bag can be realized without assembling and processing the reflux valve, so the processing procedure of the blood bag is reduced, and the manufacturing efficiency of the blood bag is increased; moreover, equipment for processing the reflux valve is not required to be filled, so that the cost is greatly saved;

2. the reflow valve does not need to be assembled in advance, and only when the reflow valve body is required to be subjected to transmission and feeding to the fusion welding device, the feeding mechanism of the reflow valve is simpler, the structural design of equipment is simpler, and the cost is lower;

3. the tension adjusting mechanism is used for stably adjusting the tension of the two film materials, so that the effective tension is maintained when the film materials are pulled and discharged, and the transmission of the film materials is more stable;

4. the pipe feeding device is more convenient to feed pipes, the structure of the pipe feeding device is simpler, and the occupied space of equipment is greatly reduced;

5. fusion welding is carried out on the blood bag molding by the fusion welding device, the valve sleeve is subjected to fusion welding molding, and the valve body of the reflux valve is coated, so that the reflux valve does not need to be processed independently;

6. through cutting the bagging apparatus with blood bag and membrane material separation, cooperate unloader again to make the unloading of blood bag and the collection of waste material more convenient.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a feeding device;

FIG. 3 is a schematic view of the adjustment member;

FIG. 4 is a schematic diagram of the pre-cutting mechanism;

FIG. 5 is a schematic mechanical view of the premelting mechanism;

FIG. 6 is a schematic view of the tube mounting apparatus;

FIG. 7 is a schematic view of the structure of the tube gripping mechanism;

FIG. 8 is a schematic structural view of the needle withdrawing mechanism;

FIG. 9 is a schematic view of the structure of the upper die and the lower die;

FIG. 10 is a schematic view of the structure of the forming mold and the carrying mold;

FIG. 11 is a schematic view of the construction of the cutting die and the die cutting station;

FIG. 12 is a schematic view of the construction of the bag grasping assembly;

FIG. 13 is a schematic view of the tear strip assembly;

FIG. 14 is a schematic structural view of a pulling mechanism;

FIG. 15 is a schematic view of the pressing mechanism;

FIG. 16 is a schematic view of the structure of the blood bag;

reference numerals: the device comprises a feeding device 1, a discharging mechanism 11, an air expansion shaft 111, a transition piece 112, a fixed seat 1121, a first clamping roller 1122, a transition frame 1123, a second clamping roller 1124, a spring 1125, a deviation rectifying mechanism 12, an inductor 121, a deviation rectifying seat 122, a foreign matter removing mechanism 13, a dust collector 131, a dust collection assembly 132, an electrostatic rod 14, a tension adjusting mechanism 15, a supporting frame 151, an adjusting piece 152, an adjusting support 1521, a sliding support 1522, a first rotating roller 1521a, a sliding seat 1522a, a second rotating roller 1522b, a static pulley 1522c, a rope 1522d and a balancing weight 1522e;

the pre-processing device 2, the pre-cutting mechanism 21, the pre-melting mechanism 22, the pre-cutting head 211, the pre-cutting seat 212, the upper pre-melting head 221 and the pre-melting head 222;

the fusion welding device 3, the head fusion welding mechanism 31, the bag-type fusion welding mechanism 32, the pin drawing mechanism 33, the upper fusion welding mold 311, the lower fusion welding mold 312, the edge welding portion 3111, the welded pipe portion 3112, the first mold slot 3112a, the second mold slot 3112b, the third mold slot 3112c, the fourth mold slot 3112d, the forming mold 321, the bearing mold 322, the pin drawing frame 331, the pin drawing component 332, the servo motor 333, the movable base 334 and the pin drawing piece 335;

the pipe feeding device 4, the circular pipe feeding mechanism 41, the break valve feeding mechanism 42, the reflux valve feeding mechanism 43, the pipe gripping mechanism 44, the pipe conveying mechanism 45, the vibration disc 401, the placing seat 402, the guide rail 403, the base 451, the conveying seat 452, the loading plate 453, the base 441, the rotating arm 442, the manipulator 443, the circular pipe gripping member 443a, the break valve gripping member 443b, and the reflux valve gripping member 443c;

a bag cutting device 5, a cutting die 51, a die cutting table 52, a V-shaped cutter head 511 and a V-shaped tearing opening 511a;

the blanking device 6, the edge tearing mechanism 61, the bag grabbing mechanism 62, the conveying mechanism 63, the first conveying belt 631, the second conveying belt 632, the waste material frame 611, the edge tearing assembly 612, the first sliding rail 612a, the moving seat 612b, the clamping hand 612c, the second sliding rail 621, the hanging seat 622, the cantilever 623 and the bag sucking piece 624;

the film drawing device 7, the pressing mechanism 71, the drawing mechanism 72, the bearing grid plate 721, the drawing channel 721a, the drawing component 722, the drawing channel 721a, the sliding column 722a, the frame body 722b, the bottom plate 722c, the first cylinder 722d, the top plate 722e, the extrusion block 722f, the pressing frame 711, the pressing bottom plate 712, the second cylinder 713, the pressing top plate 714 and the pressing space 715;

blood bag 8, sealing bag 801, tearing part 802, reflux valve 81, rupture valve 82, and round tube 83.

Detailed Description

The embodiments of the present invention will be further explained with reference to fig. 1 to 16.

An automatic bag making machine which is high in blood bag processing efficiency and good in forming.

The specific embodiments provided by the invention are as follows:

the blood bag 8 automatic bag making machine comprises a feeding device 1 for feeding and processing two film materials, a pre-processing device 2 for performing fusion welding on a tearing part 802 and a precut part at the head parts of the two film materials, a fusion welding device 3 for welding the film materials and the pipe materials, an upper pipe device 4 for transmitting a circular pipe 83, a breaking valve 82 and a backflow valve 81 to a position between the two film materials, a notch bag cutting device 5 for cutting and forming a bag body and cutting the bag body corresponding to the tearing part 802, a blanking device 6 for grabbing and blanking the bag body and removing waste materials, and a film pulling device 7 for moving the two film materials to corresponding stations in a bag making process, wherein the tearing part 802 corresponds to the backflow valve 81, and the breaking valve 82 and the circular pipe 83 correspond to the precut part; the fusion welding apparatus 3 is used to weld the circular tube 83, the break-off valve 82, and the reflow valve 81 to the two films, weld the heads of the two films to form the sealed bag 801 for covering the reflow valve 81, weld the two films together to form a bag body, and position the tearing portion 802 on the sealed bag 801.

The working principle is as follows: the feeding device 1 respectively sends out the film materials on the two rolls of film materials and transmits the film materials to the pretreatment device 2; the pretreatment device 2 cuts the positions, corresponding to the breaking valve 82 and the round pipe 83, on the film material in advance, so that the subsequent bag body can be formed and waste materials can be conveniently cut off, the pretreatment device 2 also welds the tearing part 802 on the film material at the position corresponding to the backflow valve 81 in a fusion welding mode, the formed bag body can expose the valve body of the backflow valve 81 through tearing the tearing part 802, and then the film material is transmitted to the fusion welding device 3; the fusion welding device 3 corresponds to the upper pipe device 4, the upper pipe device 4 grabs and transmits the pipes such as the round pipe 83, the breaking valve 82 and the reflux valve 81 to the fusion welding device 3, the fusion welding device 3 fusion welds the membrane material to form the sealing bag 801 for coating the valve body of the reflux valve 81, then the fusion welding device 3 welds the pipes on the two membrane materials, and fusion welding and forming the bag body; after the bag body is formed in a welding mode, the bag body and the waste materials are cut off from the film material through a bag cutting device 5, and a tearing opening corresponding to the tearing portion 802 is cut off from the bag body; finally, the bag body and the waste are respectively grabbed and discharged by a discharging device, and the bag body is processed; the film material is conveyed through the film drawing device 7.

A feeding device 1:

the feeding device 1 comprises a feeding mechanism 11, a deviation correcting mechanism 12, a foreign matter removing mechanism 13, an electrostatic rod 14 and a tension adjusting mechanism 15, wherein the deviation correcting mechanism 12 comprises an inductor 121 for inducing the position of a membrane material and a deviation correcting seat 122 for adjusting one of the membrane materials, and the deviation correcting seat 122 slides horizontally and drives the membrane material to move;

the two film materials are discharged through the discharging mechanism 11, and then the film materials pass through the tension adjusting mechanism 15, the electrostatic rod 14, the foreign matter removing mechanism 13 and the deviation rectifying mechanism 12, so that the tension adjustment, the electrostatic elimination, the dust and foreign matter removal and the deviation rectification of the film materials are realized; inductor 121 carries out the induction positioning to two membrane materials, and a membrane material is through rectifying a deviation seat 122, and the seat 122 horizontal slip that rectifies drives membrane material horizontal migration to adjust the position of membrane material, and then ensure the neat transmission of two membrane materials.

The discharging mechanism 11 comprises an air expansion shaft 111 and a transition piece 112, the transition piece 112 comprises a fixed seat 1121, a first clamping roller 1122 rotationally connected with the fixed seat 1121, a transition frame 1123 connected with the fixed seat 1121, a second clamping roller 1124 rotationally connected with the transition frame 1123, and a spring 1125 connected with the second clamping roller 1124 and the transition frame 1123, and the spring 1125 enables the second clamping roller 1124 to tend to rotate towards the first clamping roller 1122 and the second clamping roller 1124 to abut against each other; each discharging mechanism 11 corresponds to a roll of film material;

the membrane material is placed on the air expansion shaft 111, the air expansion shaft 111 rotates to discharge the membrane material, and then the membrane material extends to the transition piece 112; the film passes through between the first pinch roller 1122 and the second pinch roller 1124, and the first pinch roller 1122 and the second pinch roller 1124 press the film, so that the film is not easy to shift when being pulled; the springs 1125 are provided so that the first nip roller 1122 tends to rotate in the direction of the first nip roller 1122, and the nipped film material is not easily displaced when being stretched and conveyed.

The tension adjusting mechanism 15 comprises a support frame 151 and two adjusting pieces 152 arranged on the support frame 151, wherein the two adjusting pieces 152 are used for adjusting the tension of two film materials respectively, each adjusting piece 152 comprises an adjusting support 1521 fixedly connected with the support frame 151 and a sliding support 1522 slidably connected with the support frame 151, each adjusting support comprises at least two first rotating rollers 1521a, each sliding support 1522 comprises a sliding seat 1522a slidably connected with the support frame 151, at least one second rotating roller 1522b connected with the sliding seat 1522a, a static pulley 1522c rotatably connected with the support frame 151 and a balancing weight 1522e connected with the sliding seat 1522a through a rope 1522d, the balancing weight 1522e is matched with the sliding support 1522, the static pulley 2c is arranged above the sliding seat 1522a, the rope 2d is movably connected with the static pulley 1522c, the two film materials are respectively matched with the two adjusting pieces 152, and the two adjusting pieces 152 are arranged in a vertical direction;

generally, the adjusting bracket is provided with three first rotating rollers 1521a which are horizontally arranged, the sliding bracket 1522 is provided with two second rotating rollers 1522b which are horizontally arranged, the first rotating rollers 1521a and the second rotating rollers 1522b are arranged in a staggered manner, the adjusting bracket is arranged above the sliding bracket 1522, and the sliding bracket 1522 slides up and down; the two films are respectively adjusted by the two adjusting pieces 152, the films pass through the first rotating roller 1521a and the second rotating roller 1522b in a wavy manner, the films are pulled to enable the sliding support 1522 to slide upwards and enable the balancing weight 1522e to move downwards, meanwhile, after the films are fed by the feeding mechanism 11, the sliding support 1522 resets and moves downwards under the action of gravity and drives the balancing weight 1522e to reset and move upwards, the sliding support 1522 and the balancing weight 1522e are matched for adjusting the tension of the films, so that the films are stretched all the time, and a certain tension is maintained, and therefore the films are more stable when being stretched and transmitted; the counterweight 1522e is provided with a plurality of blocks with different weights, so that the tension is adjusted through the counterweight 1522e with different weights;

after the two film materials extend out through the adjusting member 152, one film material extends to the deviation rectifying seat 122, and the other film material passes through the lower part of the deviation rectifying mechanism 12; the static bar 14 extends between the two membrane materials to remove static on the membrane materials and prevent the membrane materials from being mutually adsorbed; the foreign matter removing mechanism 13 comprises a dust collector 131 and a dust collection assembly 132 connected with the dust collector 131, wherein the dust collection assembly 132 extends between the two film materials to clean foreign matters such as dust adhered on the film materials; then the two films are neatly overlapped and combined into a whole and extend to the pretreatment device 2.

The pretreatment device 2:

the preprocessing device 2 comprises a pre-cutting mechanism 21 and a pre-melting mechanism 22, the pre-cutting mechanism 21 comprises a pre-cutting head 211 moving in a reciprocating manner and a pre-cutting seat 212 matched with the pre-cutting head 211, the pre-cutting head 211 moves towards the pre-cutting seat 212 and cuts two cuts corresponding to the breaking valve 82 and the circular tube 83 on two films, the pre-melting mechanism 22 comprises an upper pre-melting head 221 and a lower pre-melting head 222 moving mutually, the upper pre-melting head 221 and the lower pre-melting head 222 weld the two films to form a tearing part 802, the tearing part 802 is Y-shaped, the tearing part 802 is composed of a plurality of welding lines, and a tearing groove is formed between every two adjacent welding lines.

The pre-cutting head 211 on the pre-cutting mechanism 21 moves back and forth and is matched with the pre-cutting seat 212, so that two film materials arranged between the pre-cutting head and the pre-cutting seat are cut into two cuts corresponding to the breaking valve 82 and the circular tube 83; the L-shaped cutter head on the pre-cutting mechanism 21 cuts an L-shaped cut corresponding to the circular tube 83, and the U-shaped cutter head on the pre-cutting mechanism 21 cuts a U-shaped cut corresponding to the breaking valve 82;

the upper pre-melting head 221 and the lower pre-melting head 222 move relatively, so that corresponding welding lines are welded on the two film materials, the welding lines on the two film materials form a Y-shaped tearing part 802, the tearing part 802 is arranged on the sealing bag 801, the end part of the tearing part 802 extends out of the sealing bag 801, and a tearing groove is formed between the welding lines, so that the tearing part 802 can be torn conveniently, the sealing bag 801 can be torn, and the valve body of the backflow valve 81 can be exposed.

The upper pipe device 4:

the pipe feeding device 4 comprises a circular pipe feeding mechanism 41, a breaking valve feeding mechanism 42, a backflow valve feeding mechanism 43, a pipe grabbing mechanism 44 and a pipe conveying mechanism 45, wherein the circular pipe feeding mechanism 41, the breaking valve feeding mechanism 42 and the backflow valve feeding mechanism 43 respectively comprise a vibration disc 401, a placing seat 402 and a guide rail 403 for communicating the vibration disc 401 with the placing seat 402; the pipe conveying mechanism 45 comprises a base 451, a conveying seat 452 connected with the base 451 in a sliding manner, and a bearing plate 453 fixed on the conveying seat 452, wherein the bearing plate 453 is used for placing and fixing the circular pipe 83, the break-off valve 82 and the reflux valve 81, and the conveying seat 452 slides towards the fusion welding device 3; the tube gripping mechanism 44 includes a base 441, a rotating arm 442 rotatably connected to the base 441, and a manipulator 443 connected to the rotating arm 442, and the manipulator 443 includes a round tube gripping member 443a for gripping the round tube 83, a break valve gripping member 443b for gripping the break valve 82, and a return valve gripping member 443c for gripping the return valve 81.

When the pipes are loaded, the vibration discs 401 of the circular pipe loading mechanism 41, the break valve loading mechanism 42 and the return valve loading mechanism 43 respectively transmit the pipes such as the circular pipe 83, the break valve 82 and the return valve 81 to the corresponding placing seats 402 through the guide rails 403;

when the pipe gripping mechanism 44 is started, the rotating arm 442 rotates and drives the manipulator 443 to pass through the circular pipe feeding mechanism 41, the break valve feeding mechanism 42 and the placing seat 402 on the feeding machine of the backflow valve 81, and the manipulator 443 grips the pipe onto the bearing plate 453; then, the tube conveying mechanism 45 is started, and the conveying base 452 slides on the base 451 in the direction of the fusion welding device 3, so that the needle drawing device is conveniently inserted into the tube on the bearing plate 453, and the tube is conveyed to the fusion welding device 3; after the tube is separated from the loading plate 453, the conveying seat 452 slides to reset, so that the next tube can be conveniently loaded.

The fusion welding device 3:

the fusion welding device 3 comprises a head fusion welding mechanism 31, a bag-type fusion welding mechanism 32 and a needle drawing mechanism 33, wherein the head fusion welding mechanism 31 comprises a fusion welding upper die 311 and a fusion welding lower die 312 which are matched with each other, the fusion welding upper die 311 and the fusion welding lower die 312 are respectively provided with a welding edge 3111 for welding the head of the blood bag 8 and a welding pipe 3112 for welding a pipe on two films, the welding pipe 3112 comprises a first die groove 3112a for welding a round pipe 83, a second die groove 3112b for welding a breaking valve 82 and a third die groove 3112d for welding a return valve 81, the welding edge 3111 is provided with a fourth die groove 3112d communicated with the third die groove 3112c, and the bag-type fusion welding mechanism 32 comprises a forming die 321 for fusion welding two layers of films and forming a bag body and a bearing die 322 matched with the forming die 321 and used for bearing the films; the needle drawing mechanism 33 comprises a needle drawing frame 331, a needle drawing component 332 sliding on the needle drawing frame 331, a servo motor 333 fixed on the needle drawing frame 331 and pushing the needle drawing component 332 to reciprocate, the needle drawing component 332 comprises a movable base 334 movably connected with a screw rod on the servo motor 333 and a plurality of needle drawing pieces 335 fixed on the base, the plurality of needle drawing pieces 335 extend into the space between the two layers of membrane materials, the servo motor 333 drives the needle drawing pieces 335 to move towards the direction of the bearing plate, and the plurality of needle drawing pieces 335 plug the round tubes 83, the break valves 82 and the backflow valves 81 on the bearing plate one by one and drive the round tubes 83, the break valves 82 and the backflow valves 81 on the bearing plate to the space between the upper fusion welding die 311 and the lower fusion welding die 312.

When the fusion welding device 3 performs fusion welding processing on the film material and the pipe material, the head fusion welding mechanism 31 and the needle drawing mechanism 33 are matched to firstly perform welding on the head of the bag body and the pipe material and molding and welding of the sealing bag 801, and then the bag-shaped fusion welding mechanism 32 performs welding processing on the molding of the bag body;

after the conveying seat 452 conveys the bearing plate 453 to be close to the head fusion welding mechanism 31, the needle drawing mechanism 33 is started, the servo motor 333 drives the needle drawing assembly 332 to move between two layers of film materials and towards the direction of the bearing plate, the needle drawing assembly 332 comprises an air cylinder which drives the needle drawing piece to move towards the bearing plate until a plurality of needle drawing pieces 335 on the needle drawing assembly 332 insert and connect the pipes on the bearing plate in a one-to-one correspondence manner, then the needle is drawn back and the pipes are placed on a welding station, namely, the circular pipe 83, the break valve 82 and the backflow valve 81 correspond to the first mold groove 3112a, the second mold groove 3112b and the third mold groove 3112c in a one-to-one correspondence manner; then the upper welding die 311 and the lower welding die 312 move towards the pipe under the action of the power part until the upper welding die 311 and the lower welding die 312 are matched to weld the pipe and the two layers of film materials together, a sealing bag 801 for covering the valve body of the reflux valve 81 is welded through a fourth die groove 3112d on the upper welding die 311 and the lower welding die 312, and the welding edge portion 3111 seals and welds the head of the bag body; the processed head of the bag body is transmitted to the bag-shaped fusion welding mechanism 32, and the forming die 321 and the bearing die 322 move relatively and are matched with the film material for fusion welding, so that the bag body is subjected to fusion welding and forming.

And (5) a bag cutting device:

the bag cutting device 5 comprises a cutting die 51 for forming and cutting the bag body and a die cutting table 52 matched with the cutting die 51, a bag-shaped knife edge formed by cutting the cutting die 51 is butted with a cut formed by cutting the pre-cutting head, the cutting die 51 comprises a V-shaped knife head 511 for cutting a V-shaped tearing opening on the head part of the blood bag 8, and the V-shaped tearing opening extends to the tearing part 802.

The bag body is transmitted to a bag cutting device 5 after being subjected to fusion welding forming, a die cutting table 52 supports the film material, a cutting die 51 moves and cuts the film material, and a bag-shaped knife edge formed by cutting of the cutting die 51 is butted with a cut formed by cutting of a pre-cutting head, so that the bag body is cut off on the film material; when the bag body is formed and cut, the V-shaped cutter head 511 extends to the tearing part 802 at the tip of the V-shaped tearing opening cut on the bag body, so that the tearing part 802 is conveniently torn through the V-shaped tearing opening, and the sealing bag 801 is more conveniently torn; meanwhile, the cutting die 51 cuts the waste material off the film material, so that the waste material is convenient to treat.

A blanking device 6:

the blanking device 6 comprises an edge tearing mechanism 61 for processing membrane waste materials, a bag grabbing mechanism 62 for blanking and conveying blood bags 8 and a conveying mechanism 63 for conveying the waste materials and the blood bags 8, wherein the conveying mechanism 63 comprises a first conveying belt 631 matched with the bag grabbing mechanism 62 and a second conveying belt 632 matched with the edge tearing mechanism 61, the edge tearing mechanism 61 comprises a waste material frame 611 and two edge tearing assemblies 612 arranged on two sides of the membrane, each edge tearing assembly 612 comprises a first sliding rail 612a, a moving seat 612b connected with the first sliding rail 612a in a sliding manner, and a clamping hand 612c fixed on the moving seat 612b, the clamping hand 612c is used for clamping the side of the membrane, the moving seat 612b drives the waste materials to slide to the second conveying belt 632, the bag grabbing mechanism 62 comprises a second sliding rail 621, a hanging seat 622 connected with the second sliding rail 621 in a sliding manner, a cantilever connected with the hanging seat 622 through a telescopic rod 623, and a bag sucking piece fixed on the cantilever 623, the cantilever 623 moves towards the direction of the blood bags 8, and the blood bags are sucked by the blood bags 8, and the hanging seat is suspended on the second sliding rail 621 and drives the first conveying belt 631 to move to the blood bags 8.

Before the bag body is cut, the two edge tearing assemblies 612 on the edge tearing mechanism 61 slide to the cutting device, that is, the moving seat 612b drives the clamping hands 612c to slide to the cutting device on the first sliding rail 612a, then the clamping hands 612c clamp two ends of the film material, then the cutting device starts to cut the bag body, the part clamped by the clamping hands 612c is also cut, finally the moving seat 612b drives the clamping hands 612c to slide to the upper part of the second conveying belt 632, the clamping hands 612c separate the waste materials, and the waste materials fall on the second conveying belt 632 and are conveyed to the waste material frame 611;

after the waste materials are cleaned, the bag grabbing component 621 on the bag grabbing mechanism 62 grabs the bag body, namely the suspension seat 622 drives the suspension arm 623 to slide on the second slide rail 621 to the cutting device until the bag sucking component 624 is arranged above the bag body, then the suspension arm 623 drives the bag sucking component 624 to move downwards and enables the bag sucking component 624 to suck the bag body, then the suspension seat 622 slides to the upper side of the transmission belt, the bag sucking component 624 is separated from the bag body, the bag body falls onto the first transmission belt 631, and the first transmission belt 631 transmits and discharges the bag body.

Film drawing device 7:

the film drawing device 7 comprises a material pressing mechanism 71 and at least two material drawing mechanisms 72, the fusion welding device 3 is arranged between the two material drawing mechanisms 72, the film drawing device 7 and the edge tearing assembly move synchronously, the material drawing mechanism 72 comprises a bearing grid plate 721 and a material drawing assembly 722, the bearing grid plate 721 comprises a plurality of material drawing channels 721a, the material drawing assembly 722 comprises a sliding column 722a, a frame body 722b connected with the sliding column 722a in a sliding manner, a bottom plate 722c connected with the frame body 722b, a first air cylinder 722d fixed on the frame body 722b and a top plate 722e connected with the first air cylinder 722d, the bearing fence is arranged between the top plate 722e and the bottom plate 722c, an extrusion block 722f matched with the top plate 722e is arranged on the bottom plate 722c, and the first air cylinder 722d pushes the top plate 722e to move and enables the extrusion block 722f and the top plate 722e to match and clamp the film; the material pressing mechanism 71 comprises a material pressing frame 711, a material pressing bottom plate 712 fixed on the material pressing frame 711, a second air cylinder 713 fixed on the material pressing frame 711, a material pressing top plate 714 connected with the second air cylinder 713, and a material pressing space 715 formed between the material pressing bottom plate 712 and the material pressing top plate 714, wherein the second air cylinder 713 pushes the material pressing top plate 714 to move to be matched with the material pressing bottom plate 712 for clamping and fixing the film material.

The two film drawing mechanisms are used for drawing and transmitting the film material, so that the film material is transmitted to the fusion welding device 3 more stably; the upper front end of the bag making machine is provided with a discharging mechanism 11 and a tension adjusting mechanism for discharging and tension adjusting the film, the rear end of the bag making machine is provided with an edge tearing mechanism for fixing the film, and a plurality of material pressing mechanisms 71 are arranged on a film transmission path of the bag making machine for pressing and positioning the film at each station, so that the processing of the film in the processes of transmission, fusion welding, cutting and the like is more stable;

when the film pulling device 7 pulls and transmits the film, the film is placed on the bearing grid plate 721, the plurality of squeezing blocks 722f on the bottom plate 722c extend into the plurality of material pulling channels 721a one by one and are abutted against the film, the top plate 722e moves downwards under the action of the first cylinder 722d and clamps the film by matching with the squeezing blocks 722f, and then the frame body 722b slides through the sliding columns 722a, so that the film is pulled and transmitted;

when the pressing mechanism 71 presses and positions the film, the second cylinder 713 determines that the pressing top plate 714 moves towards the pressing bottom plate 712, so that the film in the pressing space 715 is extruded and fixed, the film is effectively prevented from shifting during processing, and the processing stability of the film is further ensured.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.

Claims (9)

1. An automatic bag making machine for blood bags is characterized by comprising

The feeding device is used for feeding and processing the two film materials;

a pretreatment device for fusion welding tearing parts and precutting at the head parts of the two membrane materials, wherein the tearing parts correspond to the reflux valves, the breaking valves and the circular tubes correspond to the precutting parts,

the pre-processing device comprises a pre-cutting mechanism and a pre-melting mechanism, the pre-cutting mechanism comprises a pre-cutting head which moves in a reciprocating manner and a pre-cutting seat which is matched with the pre-cutting head, the pre-cutting head moves towards the pre-cutting seat and cuts two cuts which correspond to the breaking valve and the circular tube on the two film materials,

the pre-melting mechanism comprises an upper pre-melting head and a lower pre-melting head which move mutually, the upper pre-melting head and the lower pre-melting head perform fusion welding on the two film materials to form a tearing part, the tearing part is Y-shaped, the tearing part is formed by a plurality of fusion welding lines, and a tearing groove is formed between every two adjacent fusion welding lines;

the pipe feeding device is used for conveying the circular pipe, the breaking valve and the reflux valve to a position between the two membrane materials;

the fusion welding device is used for welding the circular tube, the breaking valve and the reflux valve with the two film materials, welding the heads of the two film materials to form a sealing bag for coating the reflux valve, welding the two film materials together and forming a bag body, and the tearing part is positioned on the sealing bag;

the bag cutting device is used for cutting and forming the bag body and cutting a notch corresponding to the tearing part;

the blanking device is used for grabbing and blanking the bag body and removing waste materials;

and the film pulling device is used for moving the two film materials to corresponding stations in the bag making process.

2. The automatic bag making machine according to claim 1, wherein the feeding device comprises a feeding mechanism, a deviation correcting mechanism, a foreign matter removing mechanism, an electrostatic rod and a tension adjusting mechanism;

the deviation correcting mechanism comprises an inductor for inducing the position of the membrane material and a deviation correcting seat for adjusting one of the membrane materials, and the deviation correcting seat horizontally slides and drives the membrane material to move;

the tension adjusting mechanism comprises a support frame and two adjusting parts arranged on the support frame, the two adjusting parts are respectively used for adjusting the tension of two membrane materials, each adjusting part comprises an adjusting bracket fixedly connected with the support frame and a sliding bracket in sliding connection with the support frame, each adjusting bracket comprises at least two first rotating rollers, each sliding bracket comprises a sliding seat in sliding connection with the support frame, at least one second rotating roller connected with the sliding seat, a static pulley in rotating connection with the support frame and a balancing weight connected with the sliding seat through a rope, the balancing weight is matched with the sliding bracket, the static pulley is arranged above the sliding seat, and the rope is movably connected with the static pulley;

the two adjusting parts are arranged in the vertical direction, the two film materials respectively pass through a first rotating roller and a second rotating roller on the two adjusting parts, the traveling paths of the two film materials are wavy, one film material extends to the deviation rectifying seat, the other film material passes through the lower part of the deviation rectifying mechanism,

the membrane material is pulled to make the sliding support upwards slide and make the balancing weight remove downwards, and simultaneously after the membrane material was pay-off through drop feed mechanism, the sliding support resets under the effect of gravity and removes downwards to drive the balancing weight and reset upward movement, the sliding support adjusts the tension of membrane material with the balancing weight cooperation.

3. The automatic bag making machine according to claim 1, wherein the tube feeding device comprises a round tube feeding mechanism, a breaking valve feeding mechanism, a reflux valve feeding mechanism, a tube grabbing mechanism and a tube conveying mechanism,

the circular tube feeding mechanism, the breaking valve feeding mechanism and the backflow valve feeding mechanism respectively comprise a vibrating disc, a placing seat and a guide rail communicated with the vibrating disc and the placing seat;

the pipe conveying mechanism comprises a base station, a conveying seat connected with the base station in a sliding manner and a bearing plate fixed on the conveying seat, the bearing plate is used for placing and fixing a round pipe, a breaking valve and a reflux valve, and the conveying seat slides towards the fusion welding device;

the tubular product snatchs the mechanism and includes the base, the rotor arm of being connected with the base rotation, the manipulator of being connected with the rotor arm, the manipulator is including the pipe grabbing piece that is used for snatching the pipe, the reflux valve grabbing piece that is used for snatching the rupture valve and is used for snatching the reflux valve, the rotor arm rotates and drives the manipulator and through pipe feed mechanism, the seat of placing on rupture valve feed mechanism and the reflux valve material loading machine, the manipulator snatchs tubular product to the loading board on.

4. The automatic blood bag making machine according to claim 1, wherein the fusion welding device includes a head fusion welding mechanism, a bag-type fusion welding mechanism, and a needle drawing mechanism,

the head fusion welding mechanism comprises a fusion welding upper die and a fusion welding lower die which are matched with each other, the fusion welding upper die and the fusion welding lower die are respectively provided with a welding edge part for welding the head part of the blood bag and a welding pipe part for welding the pipe on the two film materials, the welding pipe part comprises a first die cavity for welding a round pipe, a second die cavity for welding a breaking valve and a third die cavity for welding a reflux valve, the welding edge part is provided with a fourth die cavity communicated with the third die cavity,

the bag-type fusion welding mechanism comprises a forming die and a bearing die, wherein the forming die is used for fusion welding two layers of film materials and forming the bag body, and the bearing die is matched with the forming die and used for bearing the film materials;

the needle drawing mechanism comprises a needle drawing frame, a needle drawing component sliding on the needle drawing frame, and a servo motor fixed on the needle drawing frame and pushing the needle drawing component to move back and forth,

the drawing needle assembly comprises a moving base movably connected with a lead screw on a servo motor, and a plurality of drawing needle pieces fixed on the base, wherein the drawing needle pieces stretch into the space between two layers of membrane materials, the servo motor drives the drawing needle pieces to move towards the direction of the bearing plate, and the drawing needle pieces are used for inserting round pipes, breaking valves and backflow valves on the bearing plate one by one and driving the round pipes, the breaking valves and the backflow valves to the space between the fusion welding upper die and the fusion welding lower die.

5. The automatic blood bag making machine according to claim 1, wherein the bag cutting device comprises a cutting die for forming and cutting the bag body and a die cutting table matched with the cutting die, a bag-shaped cutting edge formed by cutting of the cutting die is butted with a cut formed by cutting of the pre-cutting head, the cutting die comprises a V-shaped cutting head for cutting a V-shaped tearing opening on the head of the blood bag, and the V-shaped tearing opening extends to the tearing part.

6. The automatic bag making machine for blood bags according to claim 1, wherein the blanking device comprises an edge tearing mechanism for processing waste materials of film materials, a bag grabbing mechanism for blanking and conveying blood bags and a conveying mechanism for conveying waste materials and blood bags, the conveying mechanism comprises a first conveying belt matched with the bag grabbing mechanism and a second conveying belt matched with the edge tearing mechanism,

the edge tearing mechanism comprises a waste frame and two edge tearing assemblies arranged on two sides of the membrane material, each edge tearing assembly comprises a first slide rail, a moving seat connected with the first slide rail in a sliding manner, and a clamping hand fixed on the moving seat, the clamping hand is used for clamping the edge side of the membrane material, the moving seat drives the waste material to slide to a second conveying belt, the second conveying belt extends to the waste frame,

grab a bag mechanism and include the second slide rail, with second slide rail sliding connection hang the seat, with hang the cantilever that the seat passes through the telescopic link and is connected and be fixed in the bag piece that inhales on the cantilever, the cantilever removes and inhales the bag piece and adsorbs the blood bag to the direction of blood bag, hangs the seat and slides and drive the blood bag and remove to first transmission band on the second slide rail.

7. The automatic blood bag making machine according to claim 1, wherein the film drawing device comprises a pressing mechanism and at least two material drawing mechanisms, the fusion welding device is arranged between the two material drawing mechanisms, and the film drawing device and the edge tearing assembly move synchronously,

the material pulling mechanism comprises a bearing grid plate and a material pulling assembly, the bearing grid plate comprises a plurality of material pulling channels, the material pulling assembly comprises a sliding column, a frame body connected with the sliding column in a sliding manner, a bottom plate connected with the frame body, a first air cylinder fixed on the frame body and a top plate connected with the first air cylinder, the bearing fence is arranged between the top plate and the bottom plate, an extrusion block matched with the top plate is arranged on the bottom plate, the first air cylinder pushes the top plate to move and enables the extrusion block to be matched with the top plate to clamp the membrane material,

the material pressing mechanism comprises a material pressing frame, a material pressing bottom plate fixed on the material pressing frame, a second air cylinder fixed on the material pressing frame, a material pressing top plate connected with the second air cylinder, a material pressing space formed between the material pressing bottom plate and the material pressing top plate, and the second air cylinder pushes the material pressing top plate to move and is matched with the material pressing bottom plate to clamp and fix the film material.

8. The automatic blood bag making machine according to claim 2, wherein the discharging mechanism comprises an inflatable shaft and a transition piece, the transition piece comprises a fixed seat, a first clamping roller rotatably connected with the fixed seat, a transition frame connected with the fixed seat, a second clamping roller rotatably connected with the transition frame, and a spring connecting the second clamping roller and the transition frame, and the spring makes the second clamping roller tend to rotate towards the first clamping roller and the second clamping roller abut against each other.

9. The automatic bag making machine for blood bags according to claim 1, wherein the feeding device further comprises a foreign matter removing mechanism and an electrostatic rod, the electrostatic rod extends between the two films, the foreign matter removing mechanism comprises a dust collector and a dust collection assembly connected with the dust collector, and the dust collection assembly extends between the two films.

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