CN106697358B - A packaging device for packaging blood bags before transportation - Google Patents

Abstract

The invention discloses a packaging device for packaging blood bags before transportation, which includes a bag taking system, a bag taking box, a blowing and suction system, a material unloading system, a feeding system and a heat sealing system; The synergistic effect of bag box, blowing and suction system, blanking system, feeding system and heat sealing system realizes automatic packaging of blood bags, greatly improves production efficiency, reduces labor intensity of staff, and has great promotion value .

Description

A packaging device for packaging blood bags before transportation

technical field

The invention belongs to the technical field of blood bag packaging, and in particular relates to a packaging device for packaging blood bags before transportation.

Background technique

At present, the packaging of blood is manually bagged, and then the blood bag is manually placed in a heat sealing machine for manual heat sealing. In such a manual operation process, the efficiency is low, the workload is large, and the labor intensity is high.

Contents of the invention

In order to solve the problems existing in the prior art, the purpose of the present invention is to provide a packaging device for packaging blood bags before transportation. The packaging device of the present invention can realize automatic operation of packaging blood bags and greatly improve work efficiency.

In order to realize the above-mentioned purpose of the invention, the present invention adopts the technical scheme as follows:

A packaging device for packaging blood bags before transportation, including a bag taking system, a bag taking box, a blowing and suction system, a feeding system, a feeding system and a heat sealing system, wherein,

A bag taking system comprising a moving sieve plate frame, a moving sieve plate, a static sieve plate frame and a static sieve plate, a support arm, a rotating arm, a first motor and a second motor;

The movable sieve plate, the movable sieve plate frame and the movable sieve plate are arranged in parallel up and down, the movable sieve plate frame and the movable sieve plate are connected by springs, the movable sieve plate has a closed hollow inner cavity, The lower end surface of the movable sieve plate is provided with a number of air holes communicating with the hollow inner cavity; the upper end surface of the movable sieve plate frame is connected with a support arm, and the upper end of the support arm is fixed with a first motor, and the output shaft of the first motor The first gear is installed on the top, and the first gear meshes with the spur rack A fixed on the rotating arm. Through the meshing transmission of the first gear and the spur rack A, the support arm can move on the rotating arm in the vertical direction; The upper end of the arm is fixed with a second motor, and a second gear is installed on the output shaft of the second motor. The second gear meshes with the arc-shaped rack located on the left side of the rotating arm, and through the meshing of the second gear and the arc-shaped rack The transmission enables the swivel arm to rotate in the vertical plane;

The static sieve plate is fixed on the left end surface of the static sieve plate frame. The static sieve plate has a closed hollow inner cavity. The air holes connected to the inner cavity, the static sieve plate and the static sieve plate frame are vertically arranged, and the moving sieve plate is rotated 90 degrees to the right to correspond to the static sieve plate and the dynamic and static sieve plates Form a blanking channel for blood bags to fall between them;

The blowing and suction system is used for blowing and sucking air into the dynamic and static sieve plates. The moving sieve plate is provided with an air inlet A and an air outlet A communicating with the hollow inner cavity of the moving sieve plate. The air inlet A passes through The pipeline is connected with a blower A, and the air outlet A is connected with a negative pressure fan A through a pipeline; the static sieve plate is provided with an air inlet B and an air outlet B communicating with the hollow inner cavity of the static sieve plate, and the air inlet B passes through the pipeline. A blower B is connected, and a negative pressure fan B is connected to the air outlet B through a pipeline;

The bag-taking box is located directly below the moving sieve plate. The bag-taking box is a box-shaped structure with an open upper end. There is a support plate inside the bag-taking box. A support spring is connected, a packaging bag is placed on the upper surface of the support plate, an elastic pressing piece is arranged on the upper surface of the packaging bag, and the elastic pressing piece is fixedly connected to the bag taking box;

The blanking system, which is located above the blanking channel between the dynamic and static sieve plates, includes a movable frame with a square frame structure, and vertically downward movable frame springs are respectively arranged on the four corners of the movable frame. A lower hopper is arranged in the movable frame, and the lower hopper is composed of a rear baffle, a front baffle and a side baffle connected between the front and rear baffles, the side baffle is located above the movable frame, and the lower end of the front baffle is A front movable panel is hinged, and a rear movable panel is hinged at the lower end of the rear baffle. The baffle, the elastic baffle is located under the movable frame and between the front and rear movable plates, and the opening formed between the two elastic baffles gradually decreases from top to bottom;

The feeding system is used to transport blood bags into the movable rack, which includes a blood bag retention plate and a blood bag placement plate, one end of the blood bag placement plate and one end of the blood bag retention plate are hinged through a horizontal shaft, and the blood bag placement plate The other end can rotate around the horizontal shaft in the vertical plane, and the other end of the blood bag retention plate is located above the front baffle of the unloading system; an arc-shaped slideway is arranged at the lower end of the blood bag placement plate, and the arc-shaped slideway is equipped with There are rollers, and the blood bag placement plate rotates up and down around the rotating shaft by sliding on the rollers through an arc-shaped slideway; a spur rack B is fixed on the lower end surface of the blood bag retention plate, and the spur rack B is connected to the output shaft of the third motor The third gear meshing transmission installed on the top;

The heat sealing system is used to seal the packaging bag containing the blood bag. It includes a conveyor belt, an electric roller brush and a heat sealing machine A. One end of the conveyor belt is located directly below the static sieve plate. A set of electric roller brushes and heat sealing machine A, the set of electric roller brushes includes two electric roller brushes arranged in parallel, the two electric roller brushes are arranged horizontally, the electric roller brushes include a fourth motor and roller brushes, and the roller brushes The utility model comprises a roller connected with a motor drive, and brush hairs are arranged on the outer surface of the roller.

Preferably, the present invention also includes a box loading system. The box loading system includes a box loading mechanism and a bag pushing mechanism. The box loading mechanism and the bag pushing mechanism are respectively located on both sides of the conveyor belt. The bag pushing mechanism includes an electric push rod A And the push plate connected to the end of the electric push rod A, the electric push rod A is arranged perpendicular to the direction of the conveyor belt, and the push plate is located above the conveyor belt; the box loading mechanism includes a blanking bin and a bagging box located below the blanking bin, The blanking bin corresponds to the push plate on the electric push rod A. The blanking bin is in the shape of a trumpet with a large top and a small bottom. The upper port of the blanking bin is lower than the upper end surface of the conveyor belt; the bagging box is an open top The box structure is provided with a plurality of partitions inside the bagging box, and the plurality of partitions divide the inner cavity of the bagging box into a plurality of placement slots of equal size.

Preferably, an elastic baffle is provided at the lower port of the discharge bin, and the elastic baffle is attached to the side of the partition.

Preferably, a driving mechanism is connected to the bagging box, and the driving mechanism can drive the bagging box to move along a direction perpendicular to the conveyor belt, so that when the blood bag is placed in the front end of the bagging box, the driving mechanism drives the bagging box Forward, the next placement slot is moved to just below the drop bin to receive the dropped bags again.

Preferably, the front baffle is arranged in an inclined shape.

Preferably, the feeding system includes a blood bag blocking frame, the blood bag blocking frame is a gate-shaped structure, the columns on both sides of the blocking frame are respectively located on both sides of the blood bag placing plate, and the cross beam on the top of the blocking frame is located on the side of the blood bag placing plate. above.

Preferably, the two electric roller brushes are arranged obliquely, and there is an included angle of 5-10° between the electric roller brushes and the conveyor belt.

A blood bag packaging device, including a bag taking system and a bag filling system, wherein,

The bag taking system includes a fifth motor, a support shaft, a fixed plate, a hydraulic cylinder and a rotating assembly. The output shaft of the fifth motor is connected to the support shaft through a coupling, and a fixed plate is connected to the upper end of the support shaft. A hydraulic cylinder is arranged on the upper surface of the plate, and a rotating assembly is connected to the hydraulic cylinder. The rotating assembly includes a support rod A, a cross bar, a support rod B and a pressure plate. The lower end of the support rod A is connected with the hydraulic cylinder, and the support rod A and the support rod The upper end of the rod B is fixedly connected with the two ends of the cross bar respectively, the lower end of the support rod B is fixedly connected with a pressure plate, and the lower end surface of the pressure plate is fixed with a number of suction cups;

The bagging system includes an electric push rod B, a support frame, a drive gear, a support table, a cylinder, a conveyor belt and a bagging box; the end of the electric push rod B is connected with a bag pushing plate, and the bag pushing plate is located on the support frame On the upper end surface, a spur rack C is arranged on the lower end face of the support frame, and the spur rack C and the driving gear are meshed for transmission. The driving gear is installed on the output shaft of the sixth motor, and the driving gear and the spur rack C are connected by the sixth motor Engage the transmission and make the support frame move left and right. There is an elastic pressure plate on the right side of the support frame. One end of the elastic pressure plate is installed in the chute opened on the right side of the support frame. A cylinder is installed on the lower end of the elastic pressure plate, and the cylinder is fixed. Connected to the support frame, the elastic pressure plate can move up and down on the support frame through the action of the cylinder. The free end of the elastic pressure plate is located above the edge of the support table; the right side of the support table is equipped with a conveyor belt, which is along the conveying direction on the conveyor belt. A roller brush and a heat sealing machine B are arranged in sequence, a guide plate inclined downward is provided at the right end of the conveyor belt, and a bagging box is provided below the bottom end of the guide plate.

Preferably, a spreader is provided on the right side of the upper end surface of the support frame, and the spreader is an arc fan-shaped structure composed of several struts connected.

Owing to adopting above-mentioned technical scheme, the present invention has following positive effect:

The present invention realizes the automatic packaging of blood bags through the synergistic effect of the bag taking system, bag taking box, blowing and suction system, feeding system, feeding system and heat sealing system, which greatly improves production efficiency and reduces the labor of workers. Strength, has great promotion value.

Description of drawings

Fig. 1 is the structural representation of bag taking system of the present invention;

Fig. 2 is the connection schematic diagram of rotating arm and supporting arm;

Fig. 3 is the structural representation of taking bag box;

Fig. 4 is the connection schematic diagram of blanking system;

Fig. 5 is the connection schematic diagram of feeding system;

Fig. 6 is a schematic structural diagram of a blood bag blocking frame;

Figure 7 is a schematic diagram of the connection of the heat sealing system;

Fig. 8 is the connection schematic diagram of packing system;

Fig. 9 is a schematic structural view of the bag taking system in embodiment two;

Fig. 10 is a schematic structural diagram of the bagging system in Embodiment 2.

Detailed ways

The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Embodiment one

A packaging device for packaging blood bags before transportation according to the present invention, through the synergistic effect of the bag taking system, bag taking box, blowing and suction system, unloading system, feeding system and heat sealing system, the blood bag is finally realized. Automatic packaging of bags. The specific structure of each system is described in further detail below:

The bag taking system as shown in Figure 1, which includes a moving sieve plate frame 100, a moving sieve plate 102, a static sieve plate frame 111 and a static sieve plate 110, a support arm 109, a rotating arm 107, and a first motor 108 and the second motor 106; the movable sieve plate frame 111 and the movable sieve plate 110 are arranged in parallel up and down, the movable sieve plate frame and the movable sieve plate are connected by a spring 101, and the movable sieve plate 102 has a closed Hollow inner cavity, on the lower end surface of the movable sieve plate, there are several air holes communicating with the hollow inner cavity; the upper end surface of the movable sieve plate frame is connected with a support arm 109, and the upper end of the support arm 109 is fixed with a first motor 108. A first gear is installed on the output shaft of the first motor, and the first gear meshes with the spur rack A fixed on the rotating arm. Through the meshing transmission of the first gear and the spur rack A, the support arm can move vertically The direction moves up and down on the rotating arm 107; the upper end of the rotating arm is fixed with a second motor 106, and a second gear is installed on the output shaft of the second motor, and the second gear meshes with the arc-shaped rack 105 located on the left side of the rotating arm , through the meshing transmission of the second gear and the arc-shaped rack, the rotating arm can rotate in the vertical plane; the static sieve plate 110 is fixed on the left end surface of the static sieve plate frame 111, and the static sieve plate has a closed The hollow cavity of the static sieve plate 110 is provided with a number of air holes communicating with the hollow cavity of the static sieve plate 110, the static sieve plate and the static sieve plate frame are vertically arranged, and the dynamic After the sieve plate is rotated to the right by 90 degrees, it corresponds to the static sieve plate, and a blanking channel for blood bags is formed between the dynamic and static sieve plates.

As a preference, a guide column 116 is provided on the upper end surface of the movable screen hole plate 102, and the upper end of the guide column passes through the movable screen hole plate frame. By setting the guide column, the movable screen hole plate can only move up and down along the guide column to prevent left and right swinging. .

During installation, the arc-shaped rack 105 is fixed on the support assembly A, the middle part of the rotating arm 107 is also fixed on the support assembly A through the fixed shaft passing through it, and the two ends of the rotating arm can rotate around the fixed shaft .

As shown in Figure 2, the support arm 109 is connected to the rotating arm 107, and the supporting arm can move up and down on the rotating arm. 114. On both sides of the rotating arm, there are respectively fixed limiting columns 115 matched with the chute, and the free ends of the limiting columns 115 are correspondingly plugged into the chute 114, so that the supporting arm is connected to the rotating arm , and the support arm will not fall down when it is still.

The static sieve plate frame 111 is fixedly installed on the support component B. During the working process of the bag taking system, the static sieve plate frame and the static sieve plate on it are fixed.

In actual work, the bag taking system has two action processes:

1. Driven by the second motor, the rotating arm and the supporting arm are rotated, and the moving sieve plate on the supporting arm is rotated to the position corresponding to the static sieve plate;

2. Driven by the first motor, the support arm can move on the rotating arm.

The blowing and suction system is used for blowing and sucking air into the dynamic and static sieve plates. The moving sieve plate 102 is provided with an air inlet A and an air outlet A communicating with the hollow inner cavity of the moving sieve plate. A blower A104 is connected through a pipeline, and a negative pressure fan A103 is connected to the air outlet A through a pipeline; the static sieve plate 110 is provided with an air inlet B and an air outlet B communicating with the hollow inner cavity of the static sieve plate, and the air inlet B A blower B113 is connected through a pipeline, and a negative pressure fan B112 is connected through a pipeline on the air outlet B.

As shown in Figure 3, the bag-taking box is located directly below the moving sieve plate 102, and the bag-taking box 200 is a box-shaped structure with an open upper end. A support spring 201 is connected between the end surface and the lower bottom surface inside the bag-taking box, a packaging bag 204 is placed on the upper surface of the support plate 202, and an elastic pressing piece 203 is arranged on the upper surface of the packaging bag 204, and the elastic pressing piece 203 is fixed. Connected to the bag taking box 200.

The packaging bag 204 is a bag for placing blood bags. Several packaging bags 204 are stacked on the support plate 202, and the dimensions of the two sides of the packaging bag are larger than those of the end surfaces of the air holes on the dynamic and static sieve plates. The overall dimensions ensure that the dynamic and static sieve plates are completely adsorbed on the outer surface of the packaging bag.

The blowing and suction system is used to make the moving sieve plate take out the packaging bag from the bag taking box, and open the mouth of the packaging bag through the cooperation of the moving sieve plate and the static sieve plate.

The synergistic process of bag taking system, bag taking box and blowing and suction system is:

1. At the initial stage, the rotating arm and the supporting arm are in a vertical state, and the moving sieve plate is located directly above the bag-taking box. The first motor drives the supporting arm to move downward, and makes the lower end of the moving sieve plate stick to the most on the upper packaging bag;

2. The hollow cavity of the moving sieve plate is sucked by the negative pressure fan A. Since the lower end surface of the moving sieve plate has air holes, the packaging bag is adsorbed on the moving sieve plate under the action of negative pressure. on the lower face of the

3. The action of the second motor, through the meshing transmission of the second gear and the arc-shaped rack, makes the rotating arm rotate 90 degrees, so that the moving sieve orifice plate rotates to the position facing the static sieve orifice plate, and then passes through the first motor Drive the support arm and make the moving sieve plate close to the static sieve plate until the left side of the static sieve plate sticks to the packaging bag on the moving sieve plate;

4. The hollow cavity of the static sieve plate is sucked by the negative pressure fan B. Since the lower end surface of the static sieve plate has air holes, the packaging bag is adsorbed on the static sieve plate under the action of negative pressure. on the lower face of the

5. The first motor moves, and the supporting arm drives the movable sieve plate away from the static sieve plate until the mouth of the packaging bag is opened.

Through the above action process, the bag taking and opening operations of the packaging bag are completed.

The feeding system is located directly above the dynamic and static sieve plates, that is, the feeding system is located directly above the mouth of the opened packaging bag. Drop into the bag.

Blanking system as shown in Figure 4, it comprises the movable frame 300 that is square frame structure, is respectively provided with vertically downward movable frame spring 307 on four corners of movable frame 300, is provided with in movable frame 300 Lower hopper, lower hopper is made up of rear baffle 302, front baffle 303 and the side baffle 301 that is connected between front and rear baffle, side baffle 301 is positioned at the top of movable frame 300, the lower end of front baffle 303 A front movable panel 304 is hinged, and a rear movable panel 306 is hinged at the lower end of the rear baffle plate 302. An elastic baffle 305 is respectively hinged on the side. The elastic baffle 305 is located under the movable frame 300 and between the front and rear movable plates. The opening formed between the two elastic baffles gradually decreases from top to bottom.

During installation, the lower ends of four movable frame springs 307 on the movable frame 300 are all fixedly connected on the support assembly C, and the four movable frame springs are used to support the movable frame, and the front baffle and the rear baffle of the lower hopper are also fixedly connected to the on support assembly C.

When the blood bag enters the packaging bag between the dynamic and static sieve plates through the feeding system, the blood bag slides off the front baffle. As a preference, the front baffle 303 is arranged in an inclined shape, and the blood bag is moved from the top of the front baffle along the front baffle. Sliding down, when falling on the two elastic baffles 305, the movable frame 300 is forced to move downward, and the movable frame spring 307 is compressed, at this moment, the lower ends of the two elastic baffles and the lower ends of the front movable plate and the rear movable plate stretch into the packaging bag And open outward to the inner side of the packaging bag, the blood bag falls into the packaging bag from the passage surrounded by the two elastic baffles, the front movable plate and the rear movable plate, and then passes through the negative pressure fan A and the negative pressure fan B , Start the blower A and the blower B, blow air into the dynamic sieve plate and the static sieve plate respectively, blow the packaging bag from the dynamic and static sieve plate through the air holes on the dynamic sieve plate and the static sieve plate.

The setting of the two elastic baffles 305, the front movable plate 304 and the rear movable plate 306 is to prevent the blood bag from falling into the edge of the packaging bag during the falling process.

As shown in Figure 5, the feeding system is used to deliver blood bags into the movable frame, which includes a blood bag retention plate 400 and a blood bag placement plate 401, and one end of the blood bag placement plate 401 passes through one end of the blood bag retention plate 400. The horizontal rotating shaft is hinged, and the other end of the blood bag placing plate 401 can rotate around the horizontal rotating shaft in the vertical plane, and the other end of the blood bag retaining plate 400 is located above the front baffle of the feeding system; the lower end of the blood bag placing plate is provided with The arc-shaped slide 403 is equipped with a roller 404 inside the arc-shaped slide 403, and the blood bag placement plate 401 rotates up and down around the rotating shaft through the arc-shaped slide 403 sliding on the roller; A spur rack B is fixed, and the spur rack B is engaged with the third gear installed on the output shaft of the third motor 402 for transmission.

Both the rollers 404 and the third motor 402 are mounted on the support assembly D, and the working process of the feeding system is as follows:

The blood bag is placed on the blood bag placement plate, and then the third motor drives the blood bag retention plate to approach the feeding system, and the blood bag placement plate moves horizontally on the rollers through the arc-shaped slideway at its lower end to approach the front stop of the feeding system During the movement of the arc-shaped slideway on the rollers, the other end of the blood bag placement plate gradually turns downward until it is attached to the inner side of the front baffle of the unloading system. At this time, the blood bag slides down to the front baffle along the blood bag placement plate. board, and enter the unloading system.

As a further improvement of the present invention, the feeding system includes a blood bag blocking frame 405, the blood bag blocking frame 405 is a door-shaped structure, the columns on both sides of the blocking frame are respectively located The lower end of the side column is fixed on the support assembly D, and the crossbeam on the top of the blocking frame is located above the blood bag placement plate.

The heat sealing system shown in Figure 6 includes a conveyor belt 500, a set of electric roller brushes and a heat sealer A501, one end of the conveyor belt 500 is located directly below the static sieve plate 110, and a group of Electric roller brush and heat sealing machine A501, the set of electric roller brushes includes two electric roller brushes arranged in parallel, the two electric roller brushes are arranged horizontally, the electric roller brush includes a fourth motor 503 and a roller brush 502, the roller The brush 502 includes a cylinder connected to the fourth motor, and bristles are provided on the outer surface of the cylinder; the heat sealing machine A501 is located above the conveyor belt, and the heat sealing machine A is used to seal the opening of the packaging bag.

The heat sealing system is used to seal the packaging bags containing blood bags that fall between the moving and static sieve plates. The specific process is as follows:

The packaging bags containing blood bags falling from between the dynamic and static sieve plates fall onto the conveyor belt and are conveyed. When the packaging bags containing blood bags are not separated from the dynamic and static sieve plates, the conveyor belt is still. Yes, when the packaging bag containing the blood bag is separated from the dynamic and static sieve plate, the conveyor belt starts to transport the packaging bag. When the packaging bag passes between the two electric roller brushes, the bristles of the electric roller brush brush upwards Sweep the packaging bag to squeeze out the air in the packaging bag. After passing through two roller brushes, the packaging bag passes through the heat sealing machine A. The heat sealing machine A heats the opening of the packaging bag to realize the sealing of the packaging bag.

Preferably, the two electric roller brushes are arranged obliquely, and there is an included angle of 5-10° between the electric roller brushes and the conveyor belt.

The two electric roller brushes are fixedly installed on the support assembly E.

The present invention also includes a boxing system for boxing the sealed packaging bags. As shown in Figure 8, the boxing system includes a boxing mechanism and a bag pushing mechanism, and the boxing mechanism and the bag pushing mechanism are respectively located On both sides of the conveyor belt, the bag pushing mechanism includes an electric push rod A600 and a push plate 601 connected to the end of the electric push rod A. The electric push rod A600 is arranged perpendicular to the direction of the conveyor belt, and the push plate 601 is positioned above the conveyor belt 500; The box loading mechanism includes a blanking bin 602 and a bagging box 603 located below the blanking bin. The blanking bin 602 corresponds to the push plate 601 on the electric push rod A600. The blanking bin 602 is a loudspeaker with a large top and a small bottom. The upper port of the blanking bin 602 is lower than the upper end surface of the conveyor belt 500; the bagging box 603 is a box structure with an open upper end, and several partitions 605 are arranged inside the bagging box 603, and some partitions will pack the bagging box. The inner cavity of the is divided into several placement slots 604 of equal size.

As a preference, an elastic baffle is provided at the lower port of the discharge bin 602, and the elastic baffle is attached to the side of the partition.

The action process of the boxing system is as follows: the packaging bag sealed by the heat sealing machine A is conveyed on the conveyor belt, and when it reaches the push plate, the electric push rod A moves, and the push plate pushes the packaging bag into the blanking bin, and after the blanking The bin falls into the placement groove of the bagging box.

As a further improvement of the present invention, the bagging box 603 is connected with a driving mechanism, and the driving mechanism can drive the bagging box to move along the direction perpendicular to the conveyor belt, so that when the blood bag is placed in the front end of the bagging box, the driving mechanism The mechanism drives the bagging box forward, and moves the second placement slot to just below the unloading bin to receive the dropped packaging bags again.

It should be noted that the support assembly A, support assembly B, support assembly C, support assembly D and support assembly E all adopt existing known structures, such as a flat support plate or a box-shaped support box. .

In addition, in a specific implementation, the first motor, the second motor, the third motor, the fourth motor and the heat sealing machine A are all electrically connected to the PLC controller; and an optical sensor A is arranged on the blood bag placement plate, when When the optical sensor A senses that there is a blood bag on the blood bag placement plate, it transmits the signal to the PLC controller, and starts the third motor through the PLC controller; an optical sensor is set between the electric roller brush on the conveyor belt and the heat sealing machine A B. When the optical sensor B detects that a blood bag passes by, it transmits the signal to the PLC controller to start the heat sealing machine A through the PLC controller, and then heat seals the opening of the packaging bag; The optical sensor C of the packaging bag after machine A seals, the optical sensor C transmits the signal to the PLC controller, and the electric push rod is activated through the PLC controller.

Embodiment two

A packaging device for packaging blood bags before transportation, including a bag taking system and a bag filling system, wherein,

Bag taking system, which includes a fifth motor 700, a support shaft 701, a fixed plate 702, a hydraulic cylinder 703 and a rotating assembly, the output shaft of the fifth motor 700 is connected to the support shaft 701 through a coupling, and on the support shaft 701 The end surface is connected with a fixed plate 702, and the upper end surface of the fixed plate 702 is provided with a hydraulic cylinder 703, and a rotating assembly is connected to the hydraulic cylinder. The lower end of the support rod A704 and the upper end of the support rod B706 are fixedly connected with the two ends of the cross bar 705 respectively, and the lower end of the support rod B706 is fixedly connected with the pressure plate 707, and the lower end surface of the pressure plate 707 is fixed with a number of suction cups 708.

The working process of the bag taking system is:

Through the action of the hydraulic cylinder, the rotating assembly is lowered, so that a number of suction cups on the pressure plate are attached to the packaging bags in the bag-taking box in Embodiment 1, and then the pressure plate is pressed down to make the suction cups absorb the packaging bags, and then the fifth motor To start, the rotation of the rotating assembly is caused by the rotation of the support shaft.

The bagging system includes an electric push rod B800, a support frame 802, a drive gear 811, a support table 809, a cylinder 812, a conveyor belt 804 and a bagging box body 807; the end of the electric push rod B800 is connected with a bag pushing plate 801, and The bag plate 801 is located on the upper end surface of the support frame 802, and a spur rack C is arranged on the lower end surface of the support frame 802. The spur rack C and the drive gear 811 are engaged for transmission, and the drive gear 811 is installed on the output shaft of the sixth motor. The sixth motor makes the driving gear mesh with the spur rack C and enables the support frame to move left and right. An elastic pressure plate 808 is arranged on the right side of the support frame. One end of the elastic pressure plate 808 is installed on the chute provided on the right side of the support frame 802 Inside, a cylinder 812 is arranged on the lower surface of the elastic pressure plate, and the cylinder is fixedly connected to the support frame 802. The action of the cylinder 812 can make the elastic pressure plate move up and down on the support frame. The free end of the elastic pressure plate 808 is located at the edge of the support table 809 Above; the right side of the supporting platform 809 is provided with a conveyor belt 804, on which a roller brush 810 and a heat sealing machine B805 are sequentially arranged along the conveying direction, and an inclined downward guide is provided at the right end of the conveyor belt 804 The plate 806 is provided with a bagging box 807 below the bottom end of the guide plate 806 .

As a preference of this embodiment, an expansion frame 803 is also provided on the right side of the upper end surface of the support frame 802, and the expansion frame is a circular fan-shaped structure composed of several struts connected.

The working process of the bagging system is:

After the rotating assembly absorbs the packaging bag, it turns to the top of the supporting table, and then the pressure plate of the rotating assembly is lowered through the hydraulic cylinder, and the packaging bag on the suction cup is pressed on the supporting table, and then the fifth motor is used to rotate the pressing plate, and the pressure plate is made by friction. The bags on both sides of the packaging bag are misaligned and the opening of the packaging bag is opened, and then the sixth motor works to make the elastic pressing piece on the support frame above the lower bag body of the packaging bag, and then the elastic pressing piece is lowered and closed by the cylinder. Press tightly on the lower bag body of the packaging bag, and then blow air into the packaging bag through the blowing device, so that the packaging bag is stretched, and then the pressure plate is moved upwards, due to the action of the elastic pressure plate, the suction cup is finally separated from the packaging bag; then Place the blood bag on the support frame, and through the action of the electric push rod B, the bag pushing plate pushes the blood bag from the support frame into the packaging bag on the support table, and then continues to push the blood bag to the conveyor belt, filled with blood The packaging bag of the bag passes through the roller brush on the conveyor belt first, the air in the packaging bag is squeezed out, and then the packaging bag is heat-sealed when passing through the heat sealing machine B, and the sealed packaging bag slides down to the guide plate along the conveyor belt, Fall into the bagging box through the guide plate.

When this embodiment is actually implemented, an optical sensor D is provided on the support frame. When the optical sensor D detects that a blood bag is placed on the support frame, the signal is transmitted to the PLC controller, and the sixth motor is started by the PLC controller; An optical sensor E is installed between the roller brush and the heat sealing machine on the conveyor belt. When the optical sensor E detects the packaging bag containing the blood bag, the signal is transmitted to the PLC controller, and the heat sealing machine is started by the PLC controller and used It is used to heat seal the mouth of the packaging bag.

It should be noted that this embodiment also includes the bag-taking box described in Embodiment 1, and the bag-taking system takes out the packaging bag in the bag-taking box through a suction cup.

Claims (8)

1. A packaging device for packaging blood bags before transportation, characterized in that: it includes a bag taking system, a bag taking box, a blowing and suction system, a feeding system, a feeding system and a heat sealing system, wherein, A bag taking system comprising a moving sieve plate frame, a moving sieve plate, a static sieve plate frame and a static sieve plate, a support arm, a rotating arm, a first motor and a second motor; The movable sieve plate, the movable sieve plate frame and the movable sieve plate are arranged in parallel up and down, the movable sieve plate frame and the movable sieve plate are connected by springs, the movable sieve plate has a closed hollow inner cavity, The lower end surface of the movable sieve plate is provided with a number of air holes communicating with the hollow inner cavity; the upper end surface of the movable sieve plate frame is connected with a support arm, and the upper end of the support arm is fixed with a first motor, and the output shaft of the first motor The first gear is installed on the top, and the first gear meshes with the fixed spur rack on the rotating arm. Through the meshing transmission of the first gear and the spur rack, the support arm can move on the rotating arm in the vertical direction; the rotating arm The upper end is fixed with a second motor, and a second gear is installed on the output shaft of the second motor. The second gear meshes with the arc-shaped rack located on the left side of the rotating arm. Through the meshing transmission of the second gear and the arc-shaped rack, the The swivel arm is capable of swiveling in a vertical plane; The static sieve plate is fixed on the left end surface of the static sieve plate frame. The static sieve plate has a closed hollow inner cavity. The air holes connected to the inner cavity, the static sieve plate and the static sieve plate frame are vertically arranged, and the moving sieve plate is rotated 90 degrees to the right to correspond to the static sieve plate and the dynamic and static sieve plates Form a blanking channel for blood bags to fall between them; The air blowing and suction system is used for blowing and extracting air into the dynamic and static sieve plates. The moving sieve plate is provided with an air inlet A and an air outlet A communicating with the hollow inner cavity of the moving sieve plate. The air inlet A passes through The pipeline is connected with a blower A, and the air outlet A is connected with a negative pressure fan A through a pipeline; the static sieve plate is provided with an air inlet B and an air outlet B communicating with the hollow inner cavity of the static sieve plate, and the air inlet B passes through the pipeline. A blower B is connected, and a negative pressure fan B is connected to the air outlet B through a pipeline; The bag-taking box is located directly below the moving sieve plate. The bag-taking box is a box-shaped structure with an open upper end. There is a support plate inside the bag-taking box. A support spring is connected, a packaging bag is placed on the upper surface of the support plate, an elastic pressing piece is arranged on the upper surface of the packaging bag, and the elastic pressing piece is fixedly connected to the bag taking box; The blanking system, which is located above the blanking channel between the dynamic and static sieve plates, includes a movable frame with a square frame structure, and vertically downward movable frame springs are respectively arranged on the four corners of the movable frame. A lower hopper is arranged in the movable frame, and the lower hopper is composed of a rear baffle, a front baffle and a side baffle connected between the front and rear baffles, the side baffle is located above the movable frame, and the lower end of the front baffle is A front movable panel is hinged, and a rear movable panel is hinged at the lower end of the rear baffle. The baffle, the elastic baffle is located under the movable frame and between the front and rear movable plates, and the opening formed between the two elastic baffles gradually decreases from top to bottom; The feeding system is used to transport blood bags into the movable rack, which includes a blood bag retention plate and a blood bag placement plate, one end of the blood bag placement plate and one end of the blood bag retention plate are hinged through a horizontal shaft, and the blood bag placement plate The other end can rotate around the horizontal shaft in the vertical plane, and the other end of the blood bag retention plate is located above the front baffle of the unloading system; an arc-shaped slideway is arranged at the lower end of the blood bag placement plate, and the arc-shaped slideway is equipped with There are rollers, and the blood bag placement plate rotates up and down around the rotating shaft by sliding on the rollers through an arc-shaped slideway; a spur rack B is fixed on the lower end surface of the blood bag retention plate, and the spur rack B is connected to the output shaft of the third motor The third gear meshing transmission installed on the top; The heat sealing system is used to seal the packaging bag containing the blood bag, which includes a conveyor belt, an electric roller brush and a heat sealing machine. One end of the conveyor belt is located directly below the static sieve plate, and a group of Electric roller brushes and heat sealing machines, the set of electric roller brushes includes two electric roller brushes arranged in parallel, the two electric roller brushes are arranged horizontally, the electric roller brushes include a fourth motor and roller brushes, and the roller brushes include The cylinder connected by the fourth motor transmission is provided with bristles on the outer surface of the cylinder. 2. The packaging device for packaging blood bags before transportation according to claim 1, characterized in that: it also includes a box loading system, the box loading system includes a box loading mechanism and a bag pushing mechanism, and the box loading mechanism and the bag pushing mechanism Mechanisms are respectively located on both sides of the conveyor belt. The bag pushing mechanism includes an electric push rod A and a push plate connected to the end of the electric push rod A. The electric push rod A is arranged perpendicular to the direction of the conveyor belt, and the push plate is located above the conveyor belt; The box loading mechanism includes a blanking bin and a bagging box located below the blanking bin. The blanking bin corresponds to the push plate on the electric push rod A. The upper port of the silo is lower than the upper end of the conveyor belt; the bagging box is a box structure with an open upper end, and a number of partitions are arranged inside the bagging box, and several partitions divide the inner cavity of the bagging box into several equal-sized placement slot. 3. The packaging device for packaging the blood bags before transportation according to claim 2, characterized in that: the lower port of the discharge bin is provided with an elastic flap, and the elastic flap is attached to the side of the partition. 4. The packaging device for packaging blood bags before transportation according to claim 2, characterized in that: said bagging box is connected with a driving mechanism, and the driving mechanism can drive the bagging box to move along the direction perpendicular to the conveyor belt, In this way, when the placement slot at the front end of the bagging box is filled with blood bags, the driving mechanism drives the bagging box forward, and the next placement slot is moved to directly below the discharge bin for receiving the dropped packaging bags again. 5. The packaging device for packaging blood bags before transportation according to claim 1, characterized in that: a guide column is arranged on the upper end surface of the movable sieve plate, and the upper end of the guide column passes through the frame of the movable sieve plate. The guide column makes the moving sieve plate only move up and down along the guide column. 6 . The packaging device for packaging blood bags before transportation according to claim 5 , wherein the front baffle is inclined. 7. The packaging device for packaging blood bags before transportation according to claim 6, characterized in that: the feeding system includes a blood bag blocking frame, the blood bag blocking frame is a door-shaped structure, and the columns on both sides of the blocking frame They are respectively located on both sides of the blood bag placement plate, and the crossbeam on the top of the blocking frame is located above the blood bag placement plate. 8. The packaging device for packaging blood bags before transportation according to claim 4, characterized in that: the two electric roller brushes are arranged obliquely, and there is an included angle of 5-10° between the electric roller brushes and the conveyor belt .