CN114802851A

CN114802851A - Film sealing station with cold compress function and automatic filling and film sealing production line

Info

Publication number: CN114802851A
Application number: CN202210391401.9A
Authority: CN
Inventors: 刘勇; 杨立昆; 董雪缘; 杜建伟; 万仁钦; 戚云飞; 王建刚
Original assignee: Wuhan Huagong Laser Engineering Co Ltd
Current assignee: Wuhan Huagong Laser Engineering Co Ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-29
Anticipated expiration: 2042-04-14
Also published as: CN114802851B

Abstract

The invention provides a film sealing station with a cold compress function, which is used for sealing a film of a filled product and comprises a film sealing mechanism, a cold compress mechanism and a to-be-transported assembly; the membrane sealing mechanism is used for thermally sealing the membrane on the filled product; the cold compress mechanism is used for cooling the heat-sealed product; the transport assembly is used for transferring the product from the film sealing mechanism to the cold compressing mechanism; still provide an automatic filling and seal membrane production line, including above-mentioned membrane station of sealing. According to the invention, the cold compress mechanism is additionally arranged after the filling and sealing film, so that the product can be rapidly cooled through the cold compress mechanism, and the product quality is effectively ensured.

Description

Film sealing station with cold compress function and automatic filling and film sealing production line

Technical Field

The invention relates to filling equipment, in particular to a film sealing station with a cold compress function and an automatic filling and film sealing production line.

Background

The current market needs to seal the membrane to reagent product after the filling, and seal the membrane and usually adopt the mode of heat-seal, through higher temperature with diaphragm closing product port. However, during the heat sealing process, the high temperature may affect the quality of the reagents in the product, thereby increasing the fraction defective of the product.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a film sealing station with a cold compress function and an automatic filling and film sealing production line, and aims to solve the technical problems.

The invention is realized by the following steps:

the embodiment of the invention provides a film sealing station with a cold compress function, which is used for sealing a film on a filled product and comprises a film sealing mechanism, a cold compress mechanism and a to-be-transported assembly;

the membrane sealing mechanism is used for thermally sealing the membrane on the filled product;

the cold compress mechanism is used for cooling the heat-sealed product;

and the transport assembly is used for transferring the product from the film sealing mechanism to the cold compress mechanism.

Further, the cold compress mechanism comprises a cold compress plate capable of cooling and a driving assembly driving the cold compress plate to vertically move, and the cold compress plate is located right above the product moving path.

Furthermore, a cold water circulating pipeline is arranged in the cold compressing plate and connected with a refrigerating device.

Further, the cold compress device also comprises a removing component for removing condensed water on the surface of the cold compressed product.

Further, the elimination subassembly includes the air knife, the air-out direction of air knife perpendicular to the moving direction of tray just the air knife sets up in the ejection of compact side of cold compress mechanism.

Further, the abatement assembly includes a wiper and a control that controls the wiper to wipe the film sheet surface of the cold-applied product.

Further, the film sealing mechanism comprises a hot air plate and a driving piece for driving the hot air plate to vertically move, and the hot air plate is positioned right above the product moving path.

Furthermore, a buffer structure is arranged on the hot air plate.

Further, still including setting up the jacking locating component that is used for the product after will filling in the frame, jacking locating component is located seal the below of membrane mechanism.

The embodiment of the invention also provides an automatic filling and film sealing production line, which comprises a feeding station, a filling station, a film cutting station, a blanking station and the film sealing station, wherein the feeding station, the filling station, the film sealing station, the film cutting station and the blanking station are all sequentially arranged on the frame, and products to be filled sequentially move along the stations through the conveying assembly;

the feeding station is used for placing a product to be filled into the tray;

the filling station is used for filling liquid into a product to be filled;

the film cutting station divides the film into films according to the product position;

and the blanking station is used for packaging and boxing the processed finished product.

The invention has the following beneficial effects:

according to the invention, the cold compress mechanism is additionally arranged on the discharge side of the film sealing mechanism, namely, the product after hot sealing is cooled through the cold compress mechanism, so that the liquid in the product can be kept at a lower temperature, and the quality of the product is prevented from being reduced due to hot sealing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of an automatic filling and film sealing production line according to an embodiment of the present invention;

fig. 2 is a first view structure schematic diagram of a feeding station of the automatic filling and film sealing production line of fig. 1;

fig. 3 is a second view structure schematic diagram of a feeding station of the automatic filling and film sealing production line of fig. 1;

fig. 4 is a schematic structural diagram of a third view angle of a feeding station of the automatic filling and film sealing production line of fig. 1;

FIG. 5 is a schematic structural diagram of the conveying line of the automatic filling and sealing production line of FIG. 1;

FIG. 6 is a schematic structural diagram of a filling station of the automatic filling and sealing production line of FIG. 1;

FIG. 7 is a schematic structural diagram of a film sealing station of the automatic filling and film sealing production line of FIG. 1;

fig. 8 is a schematic structural diagram of a feeding frame of a film sealing station of the automatic filling and film sealing production line of fig. 1;

fig. 9 is a schematic structural diagram of a mold taking mechanism and a film sealing mechanism of a film sealing station of the automatic filling and film sealing production line of fig. 1;

FIG. 10 is a schematic structural diagram of a film cutting station of the automatic filling and sealing film production line of FIG. 1;

fig. 11 is a schematic diagram of the structure inside the cover body of the film cutting station of the automatic filling and sealing film production line of fig. 1;

FIG. 12 is a schematic diagram of a cutting sequence of a laser cutting line of a film cutting station of the automatic filling and sealing film production line of FIG. 1;

FIG. 13 is a schematic view of the elimination assembly and tailing collection structure of the automatic filling and sealing film production line of FIG. 1;

fig. 14 is a schematic view of a matching structure of a blanking station and a manual detection station of the automatic filling and sealing film production line of fig. 1;

fig. 15 is a first view structural schematic diagram of a blanking station of the automatic filling and film sealing production line of fig. 1;

fig. 16 is a second view structural schematic diagram of a blanking station of the automatic filling and film sealing production line of fig. 1;

fig. 17 is a schematic structural diagram of a finished product conveying line of a blanking station of the automatic filling and film sealing production line of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 17, an embodiment of the present invention provides an automatic filling and film sealing production line, which can be used for filling and film sealing of reagent cards, and specifically includes a feeding station 1, a filling station 2, a film sealing station 3, a film cutting station 4, and a discharging station 5, where the stations are sequentially disposed on a rack 8 along a moving direction of the reagent cards, and transfer of the reagent cards between the stations can be achieved through a conveying assembly 7, generally, multiple groups of reagent cards are placed on a tray 6, and the conveying assembly 7 drives the tray 6 to move, so as to control transfer of the reagent cards between the stations. The loading station 1 is mainly used for placing products to be filled into the tray 6, the products to be filled can be placed into the tray 6 manually, and certainly, the products to be filled can be automatically grabbed into the tray 6 by a manipulator; when the tray 6 moves along the conveying assembly 7 to the filling station 2, the filling station 2 can fill liquid, which can be a reagent, into the product to be filled, so that the whole production line needs a very high cleanliness class (FFU), and the local part of the production line needs to reach ten thousand levels; the filled product continuously moves to a film sealing station 3, the film sealing station 3 can be used for laminating a reagent card filled with liquid, and a covered membrane is fixed on the reagent card; after the film sealing is finished, separating the diaphragm through a diaphragm cutting station 4 according to the position of the reagent card, wherein the separated diaphragm corresponds to the reagent card, and the cut waste film can be collected; after the whole filling and film sealing are completed, the reagent card of the product enters the blanking station 5 to be packed and boxed, and the reagent card can be artificially packed and boxed as required, or can be automatically assembled to pack and boxed finished products. Through this embodiment, after the material loading, can realize the automatic filling and the automatic membrane that seals to the reagent card, and the unloading of packing after detecting the completion, whole work efficiency is very high.

For tray 6, supply the reagent card to place, can supply a plurality of reagent cards to place side by side usually, be provided with the draw-in groove with reagent card one-to-one in tray 6, in the draw-in groove that corresponds is arranged in every reagent card that waits the filling to seal the membrane in material loading station 1, and then can take out the vanning packing with finished product reagent card in tray 6 at unloading station 5. In the preferred scheme, be provided with the silica gel gasket in the tray 6, reagent card 1 all arranges the silica gel gasket in, can prevent tray 6 scratch reagent card through the silica gel gasket. The silica gel gasket belongs to a consumable material, and is replaced once every 28 ten thousand reagent cards (about 7 working days) are produced.

The embodiment of the invention provides a conveying assembly 7, and the conveying assembly 7 can be applied to the production line. The conveying assembly 7 comprises a conveying line 71, and the conveying line 71 extends along the loading station 1, the filling station 2, the film sealing station 3 and the film cutting station 4 and is connected with the stations. The conveying line 71 is continuously thinned, the conveying is carried out in a chain wheel and chain transmission assembly 72 mode, a part of the structure of the tray 6 can be clamped on the chain 721, and the chain 721 can drive the tray 6 to move under the action of the motor. In addition, the conveying line 71 further includes two slide ways 73, the two slide ways 73 are provided, the chain 721 is located between the two slide ways 73, the tray 6 is slidably supported on the two slide ways 73, and the chain 721 drives the tray 6 to move along the slide ways 73.

In a preferable scheme, the conveying assembly 7 further comprises a return line 74, and the tray 6 at the blanking station 5 is recovered to the feeding station 1 through the return line 74, so that the recycling of the tray 6 can be automatically realized. Two arrangements of the return line 74 are possible, and the two arrangements will be described separately below.

Example one

The return line 74 and the conveying line 71 are arranged on the rack 8 side by side and located at the same or approximately the same height, the conveying line 71 moves the tray 6 loaded with the reagent cards from the loading station 1 to the unloading station 5, and transfers the empty tray 6 to the return line 74 after all the finished reagent cards in the tray 6 are transferred, the empty tray 6 is transferred from the corresponding end of the unloading station 5 to the corresponding end of the loading station 1 at the return line 74, and the empty tray 6 is transferred to the conveying line 71 from the return line 74 after reaching the corresponding end of the loading station 1. In this embodiment, the return line 74 and the conveying line 71 may work in the same manner, for example, in the form of a chain wheel and chain transmission assembly 72, and the tray 6 is clamped on the corresponding chain 721, or in the form of a conveyor belt transmission, and the empty tray 6 is directly placed on the conveyor belt. For the transfer of the tray 6 between the return line 74 and the conveying line 71, a mechanical arm can be used, specifically, two sets of mechanical arms are provided, the two sets of mechanical arms are respectively located at the loading station 1 and the unloading station 5, wherein the mechanical arm located at the unloading station 5 can transfer the empty tray 6 on the conveying line 71 to the return line 74, and the mechanical arm at the loading station 1 transfers the empty tray 6 on the return line 74 to the conveying line 71. The execution end of the manipulator can grab the tray 6 in a vacuum adsorption mode, or the execution end of the manipulator is provided with a clamping hand, and the clamping hand clamps the opposite edges of the tray 6.

Example two

Return line 74 is arranged above and below feed line 71, for example, with feed line 71 disposed directly above return line 74, with the end of feed line 71, empty tray 6 moving downward to the head of return line 74, and at the end of return line 74, empty tray 6 moving upward to the head of feed line 71. For the transfer between the return line 74 and the conveying line 71, a form of a hoist may be adopted, the two sets of hoists are also provided, the hoists are respectively located at the head end and the tail end of the conveying line 71, the empty tray 6 at the tail end of the conveying line 71 is moved onto the hoist, the hoist moves vertically downwards, and when the height of the empty tray 6 is equal to that of the return line 74, a driving member on the hoist moves the empty tray 6 to the head end of the return line 74; similarly, at the end of the return line 74, the empty tray 6 is moved onto the corresponding elevator 58, the elevator is moved vertically upwards, and when being level with the conveyor line 71, the drive member on the elevator moves the empty tray 6 to the head end of the conveyor line 71. Of course, the transferring method may also adopt a robot transferring method, and the moving path of the robot is relatively complicated and requires horizontal and vertical moving. In this way, the spatial arrangement of the conveyor assemblies 7 can be reduced, making the overall production line arrangement compact.

The optimized conveying line 71 is arranged in a Y-shape at the feeding station 1, and comprises two separated sections 711 and a converging section 712, wherein the two separated sections 711 are arranged at intervals, the head end of the converging section 712 is close to the tail end of the two separated sections 711 and is located between the two separated sections 711, and the converging section is a line corresponding to the chain wheel and chain transmission assembly 72. The staff supplies the empty tray 6 at the two-section separation section 711, and the tray 6 filled with the product to be filled is moved to the convergence section 712 through the two-section separation section 711, and is transported to the convergence section 712 through the manipulator at the end of the separation section 711, and the convergence section 712 extends along the direction from the filling station 2 to the blanking station 5. The return line 74 is partially disposed right below the converging portion 712, and partially disposed below the two divided portions 711 and between the two divided portions 711, and the empty tray 6 on the return line 74 is lifted by the elevator 76 to be level with the conveying line 71 and then horizontally moved to one of the divided portions 711. A belt transport may be used for the divided sections 711, the trays 6 are supported on the belt, and a stopper 713 is provided at the end of the divided sections 711, the stopper 713 restricting the movement of the trays 6. In addition, a stacking rack 714 is further arranged on the dividing section 711, the stacking rack 714 is close to the head end of the dividing section 711, and the empty trays 6 returned by the return line 74 can be transferred to the stacking rack 714 for prestoring after entering the dividing section 711, so that excessive empty trays 6 are prevented from being stacked on the dividing section 711 due to the feeding efficiency. The stacking rack 714 is provided with a plurality of layers of passages capable of ascending and descending, each separating section 711 is also provided with two disconnected parts, and the stacking rack 714 is just positioned at the disconnected position, wherein the front part of the separating section 711 is butted with the lifter 76, and the rear part of the separating section 711 is butted with the converging section 712 and is used for loading the trays 6. The tray enters one of the lanes of the stacking rack 714 directly from the front portion of the split section 711; when the tray 6 needs to be pre-stored, the channel moves vertically upwards, and the tray 6 cannot enter the later part of the separation section 711; when the tray 6 does not need to be prestored, the tray 6 directly passes through one of the layers of the channels to enter the latter part of the divided section 711; when the pre-stored tray 6 needs to be fed into the next part of the splitting section 711, the passage corresponding to the tray 6 can be controlled to move down to the same height as the splitting section 711, and the tray 6 moves from the passage to the next part of the splitting section 711.

Optimizing above-mentioned two embodiments, conveyor components 7 is still including dust removal bellows, and dust removal bellows is located return line 74 department, and return line 74 passes dust removal bellows, and when the empty tray 6 moved along return line 74, empty tray 6 can pass dust removal bellows, can carry out cleaning to empty tray 6 through dust removal bellows. In practice, it is also necessary for the tray 6 to be cleaned manually at regular intervals, which may be for example once a week.

The embodiment of the invention provides a filling station 2 which can be applied to a production line. The filling station 2 includes a liquid source 21 and a liquid transfer device 22, the liquid source 21 and the liquid transfer device 22 are connected by a pipeline, the liquid transfer device 22 is mounted on the frame 8, and the operation position of the liquid transfer device 22 can be controlled to be right above the moving path of the tray 6 by a driving device 24. The conveying line 71 of the conveying assembly 7 passes through the filling station 2, and after the tray 6 loaded with the reagent cards moves to the corresponding position of the filling station 2, the tray 6 stops moving, and the pipetting device 22 can pour the liquid in the liquid source 21 into the reagent cards. The entire process is automated and the pipetting device 22 is capable of dosing liquid into the reagent card.

Optimizing above-mentioned embodiment, filling station 2 still includes liquid storage box 23, and liquid storage box 23 passes through the pipeline intercommunication with liquid source 21, and liquid storage box 23 has ascending uncovered, and uncovered being located pipetting device 22's moving range. In this embodiment, the liquid in the liquid source 21 enters the liquid storage box 23 first, and the liquid-transferring device 22 can draw the liquid from the open position into the liquid storage box 23 by way of drawing, and then discharge the drawn liquid into each reagent card of the tray 6. The liquid storage box 23 and the liquid source 21 are driven by air pressure, part of liquid in the liquid source 21 is directly pressed into the liquid storage box 23 by adopting compressed air on one side of the liquid source 21, the operation part of the liquid transfer device 22 can be extended into the liquid storage box 23 due to the fact that the amount of the liquid in the reagent card is small, the operation part of the liquid transfer device 22 directly absorbs a small amount of liquid, then the operation part of the liquid transfer device 22 is moved to the opening of the reagent card, and the liquid in the operation part of the liquid transfer device 22 is poured into the reagent card. The pipetting device 22 may be a pipette, which is similar to a syringe structure and can store the extracted liquid in its TIP head, specifically, a pneumatic pipette equipped with an air pump 222, and the corresponding pneumatic pipette is controlled by the air pump 222 to aspirate liquid and discharge liquid. In this way, the flow of liquid in the pipeline can be reduced to ensure the cleanliness requirement. In addition, because the pipettor need stretch into liquid storage box 23 imbibition earlier, then to flowing back in the reagent card, drive arrangement 24 can adopt triaxial sliding platform, including X axle, Y axle and Z axle, and liquid storage box 23 sets up with transfer chain 71 side by side, and then can make things convenient for the imbibition flowing back action of pipettor.

Continue to refine stock solution box 23, have many reservoir that set up side by side in it, move liquid device 22 and then include the multiunit pipettor, pipettor and reservoir one-to-one, the reservoir all communicates with liquid source 21, and the notch of reservoir corresponds with the uncovered of stock solution box 23, and the liquid level of reservoir should have a take the altitude with the notch to prevent that liquid splashes in the reservoir and produces the cluster liquid. The liquid storage tanks are long strips, the length extension direction of the liquid storage tanks is the same as the moving direction of the conveying line 71, and the liquid storage tanks are arranged along the length direction perpendicular to the conveying line 71. Can control each pipettor synchronous motion through drive arrangement 24, can place a plurality of reagent cards in each tray 6 usually, each reagent card has a plurality of flourishing liquid holes, can effectively improve the filling efficiency of filling station 2 to the reagent card in the tray 6 through setting up many reservoir and multiunit pipettors. Each air pump 222 may correspond to two pipettes, for example, the pipetting device 22 further includes a base, the base is mounted on the three-axis sliding platform, the pipettes and the air pump 222 are mounted on the base, each set of the air pump 222 is disposed on the upper portion of the base, the pipettes having the same number as the air pumps 222 are disposed on two opposite sides of the base, the pipettes on two sides of the base may simultaneously fill reagent cards in the same tray 6, or fill reagent cards in different trays 6; in addition, the filling station 2 comprises two sets of liquid-moving devices 22 and two sets of driving devices 24, wherein the two sets of liquid-moving devices 22 are used for sucking liquid by the same liquid storage box 23 and can be used for filling the reagent cards in the two trays 6 simultaneously. In preferred scheme, be provided with multiunit ultrasonic wave level sensor on stock solution box 23, and each reservoir corresponds two sets of ultrasonic wave level sensor, can detect the liquid level height that corresponds the reservoir through ultrasonic wave level sensor, be used for detecting the liquid level height at two long borders that correspond the reservoir through two sets of ultrasonic wave level sensor specifically, height detection error is no longer than 0.5mm, and then can judge whether two long border surfaces of reservoir have the bubble (the bubble all suspends in liquid level border position usually), can effectively avoid the pipettor to inhale the bubble, arrange the bubble again in the reagent card. The liquid storage box 23 further comprises an overflow groove, the overflow groove is communicated with the liquid storage groove, when the liquid level in the liquid storage groove reaches an overflow position, the liquid in the liquid storage groove can automatically flow into the overflow groove, so that the liquid level of the liquid storage groove can be effectively controlled, the TIP head of the pipettor is prevented from extending into the liquid level too much, the TIP head is usually less than 1mm, the possibility of adhering the liquid to the surface of the TIP head is reduced, and the filling precision of the pipettor is guaranteed. For further guaranteeing to move liquid the precision, the liquid level in the reservoir is fixed to it is fixed to guarantee to move the degree of depth that the liquid ware TIP head stretched into in the liquid level, and then makes and move liquid all to have higher uniformity at every turn.

Because the pipetting device 22 adopts a pipettor to fill the reagent card, the filling station 2 is additionally provided with a TIP replacement box 25, and the TIP replacement box 25 is located in the movement range of the pipettor, that is, the pipettor can be moved to the TIP replacement box 25 by the driving device 24. In this embodiment, the TIP replacement cassette 25 may provide a TIP, and the TIP of the pipette may be automatically replaced at regular intervals by the driving device 24.

Further, filling station 2 can set up two sets ofly, and two sets of filling station 2 sets gradually along the moving direction of tray 6, can adopt two sets of filling station 2 to fill the reagent card in same tray 6. The number of the pipettors of the filling station 2 is related to the number of the liquid containing holes of the reagent card, specifically, when the number of the liquid containing holes is nine, five pipettors can be provided for one of the filling station 2, four pipettors are provided for the other filling station 2, and the two filling station 2 performs staggered filling on the liquid containing holes of the reagent card, that is, the filling station 2 with five pipettors can perform filling on the

number

1, 3, 5, 7 and 9 liquid containing holes of the reagent card, and the filling station 2 with four pipettors can perform filling on the

number

2, 4, 6 and 8 liquid containing holes of the reagent card.

The refining liquid source 21 comprises a frame 211 and volumetric flasks 212 arranged in the frame 211, each volumetric flask 212 is used for filling liquid, each volumetric flask 212 is communicated with a liquid storage tank, and the liquid in the volumetric flasks 212 can be pressed into the liquid storage tanks through air pressure. In this embodiment, the frame 211 has a cavity for placing the volumetric flask 212, and the volumetric flask 212 of 2.5L, 3.5L, 6L, 12L can have concurrently in it, specifically determines according to the liquid demand of production shift, and the top of frame 211 has the opening, makes things convenient for volumetric flask 212's change, and the opening adopts the transparent cover shutoff. Volumetric flask 212 can incline certain angle when placing in the cavity, for example 15 degrees, stretch into volumetric flask 212 with tube head glass stick in, in volumetric flask 212 is impressed clean air to the air pump of outside, make the bottle internal gas pressure rise to in making liquid in the bottle follow pipeline entering stock solution box 23, tail liquid is remained in can reducing volumetric flask 212.

In the preferred scheme of production line, still add the first inspection station between filling station 2 and the membrane sealing station 3, the first inspection station is the selective examination, and it includes the selective examination unloading line, and the selective examination unloading line perpendicular to transfer chain 71 is provided with the rotatory module of tray at the head end of selective examination unloading line, and the rotatory module of tray includes electronic centre gripping jar, can snatch tray 6 to the selective examination unloading line on through electronic centre gripping jar. Due to the fact that the sampling inspection blanking line is arranged, the conveying line 71 is disconnected between the primary inspection stations, namely the conveying line 71 is in a disconnected mode, and the tray 6 is transferred between the two sections of the conveying line 71 through the electric clamping cylinder. In a preferred embodiment, the cutting position of the conveying line 71 can be set according to the actual requirement, specifically, for the convergence section 712, according to the length.

The embodiment of the invention also provides a film sealing station 3 which can be applied to a production line. The film sealing station 3 comprises a feeding frame 31, a mold taking mechanism 32 and a film sealing mechanism 33, wherein the feeding frame 31 is used for placing a rolled film and continuously providing a film sheet, the mold taking mechanism 32 can cut the rolled film to obtain the film sheet needing to seal the reagent card with a film, the cut film sheet is placed on the filled reagent card to seal each liquid containing hole on the reagent card, the film sealing mechanism 33 fixes the film sheet on the reagent card, the film sealing mechanism 33 is positioned right above the moving path of the tray 6, namely the reagent card with the film sheet laid thereon is moved to the lower part of the film sealing mechanism 33, and the film sealing mechanism 33 fixes the film sheet and the reagent card.

In the embodiment, the film sealing mechanism 33 includes a hot air plate 331 and a driving member 332, and the hot air plate 331 is located right above the moving path of the tray 6. In this embodiment, the hot air plate 331 is at a higher temperature, and when the reagent card on which the membrane is laid moves to a position right below the hot air plate 331, the driving member 332 can drive the hot air plate 331 to press down on the membrane, so that the membrane can be thermally sealed on the reagent card. A lifting cylinder is typically employed for the drive 332. In a preferred embodiment, the hot air plate 331 is provided with a buffer structure 333, the buffer direction is a vertical direction, and the buffer structure 333 can be a buffer layer, which enables pressure distribution to be relatively uniform when the hot air plate 331 presses down the reagent card.

The structure of the refined feeding frame 31 comprises a frame body 311 and a rotating shaft 312 arranged on the frame body 311, the frame body 311 is detachably connected with the rack 8, the rotating shaft 312 is used for installing a rolled film, and particularly the rotating shaft 312 penetrates through a middle through hole of the rolled film. In this embodiment, when the film roll is mounted on the rotating shaft 312, the film roll can rotate around the rotating shaft 312 relative to the frame body 311, in a preferred embodiment, the rotating shaft 312 is rotatably connected to the frame body 311, and the film roll is clamped with the rotating shaft 312, so that the film roll can be ensured to rotate relative to the rotating shaft 312. In actual work, the outer edge of the rolled film horizontally unfolds, when acting force in the direction away from the rotating shaft 312 is applied to the horizontally unfolded part of the rolled film, the rolled film rotates around the rotating shaft 312, the rolled film is gradually peeled, and after the rolled film is used up, the whole feeding frame 31 can be directly drawn out from the rack 8, so that a new rolled film is conveniently installed on the rotating shaft 312. Therefore, a handle is arranged on the frame body 311, so that the worker can pull the feeding frame 31.

Further, the feeding frame 31 further comprises a dust removing roller 313, the dust removing roller 313 comprises two roller shafts, the two roller shafts are oppositely arranged and can rotate relative to the frame body 311, and the roller shafts are parallel to the rotating shaft 312. A gap is formed between the two roll shafts, the horizontal unfolding part of the rolled film penetrates through the gap between the two roll shafts, the upper surface and the lower surface of the section of the film are respectively contacted with the upper roll shaft and the lower roll shaft, a certain clamping effect can be formed on the film, one roll shaft is a driving roll, the other roll shaft is a driven roll, the driving roll rotates actively, the driving roll can drive the film to move horizontally, the film drives the driven roll to rotate, and further the continuous feeding of the film taking mechanism 32 can be realized, and the effect of removing dust on the surface of the film of the rolled film can be realized through the dust removing roll 313.

The structure of the thinning and mold-taking mechanism 32 comprises a film cutting assembly 321 and a film grasping assembly 322, wherein the film cutting assembly 321 can be used for cutting and rolling the film to obtain a film sheet with a proper size, and the film grasping assembly 322 can transfer the cut film sheet to a filled reagent card. Typically, the film cutting assembly 321 includes a cutter that moves horizontally and a cutter that moves vertically to cut the film sheet. The film grabbing component 322 grabs the cut film in a vacuum adsorption manner, specifically, the film grabbing component 322 includes a translation table 324 and two groups of adsorption heads 323, the adsorption heads 323 can be controlled to perform XYZ axial linear movement by the translation table 324, and the two groups of adsorption heads 323 are arranged at intervals relatively and can correspond to two opposite edges of the cut film.

At the position of the corresponding film sealing station 3, specifically, the position of the corresponding film sealing mechanism 33 is provided with a jacking positioning assembly 34, the jacking positioning assembly 34 comprises two groups of supporting platforms 341 capable of moving along the vertical direction, the two groups of supporting platforms 341 are arranged at intervals, and at least partial structures of the two groups of supporting platforms 341 are positioned under the moving path of the tray 6. In this embodiment, under the normal condition, the top surface of two brace tables 341 all is less than the top surface of slide 73, brace table 341 can not influence tray 6's normal removal, and when hot-blast plate 331 need push down heat-seal reagent card, brace table 341 moves vertically upwards, two brace tables 341 can support tray 6 jointly, and make tray 6 and transfer chain 71 break away from, avoid hot-blast plate 331 to push down transfer chain 71, conveniently control the vertical position of tray 6 simultaneously, and can reach the purpose of accurate positioning. The supporting table 341 is provided with a buffer structure, which is also a buffer layer, so that the buffer structure cooperates with the buffer layer on the hot air plate 331 to form two-stage buffer, thereby further ensuring that the pressure distribution of the hot air plate 331 on the membrane of the reagent card is uniform.

In the preferred scheme, two sets of supporting platforms 341 are located the relative both sides of transfer chain 71 respectively, lie in the outside of slide 73 promptly, and two slides 73 of tray 6 part structure homohorizontal protrusion, and this bulge is located supporting platform 341 directly over, and after two sets of supporting platforms 341 moved up vertically, two sets of supporting platforms 341 can support tray 6 jointly. The jacking positioning assembly 34 further comprises a cylinder 342, the cylinder 342 corresponds to the supporting platform 341, the cylinder 342 is vertically arranged, and the vertical direction movement of the supporting platform 341 can be controlled through the extension and contraction of the cylinder 342.

In another embodiment of the jacking positioning assembly 34, the conveying line 71 has two sets of sprocket-chain transmission assemblies 72, the two chains 721 are distributed at intervals, the jacking positioning assembly 34 is disposed between the two chains 721, that is, the two supporting platforms 341 of the jacking positioning assembly 34 are both located between the two chains, at this time, the two supporting platforms 341 can be distributed at intervals along the moving direction of the conveying line 71, and the two supporting platforms 341 can also support the tray 6 together after the cylinder 342 extends.

A plurality of sets of jacking positioning assemblies 34 are arranged and are distributed at each station at intervals, for example, at the filling station 2, the jacking positioning assemblies 34 are adopted to jack the tray 6 up first, and then the reagent cards are filled; the jacking positioning assembly 34 can also be arranged at the subsequent cold compressing mechanism 6 and the film cutting station 4.

The embodiment of the invention also provides a cold compress mechanism 35, wherein the cold compress mechanism 35 is positioned at the discharging side of the film sealing station 3, namely the tray 6 after film sealing is moved to the cold compress mechanism 35, the reagent card after film sealing can be cooled through the cold compress mechanism 35, and the tray 6 passing through the cold compress mechanism 35 enters the film cutting station 4. Because the reagent card is the heat-seal when sealing the membrane, the liquid quality in the reagent card is probably influenced to the heat-seal temperature, can reduce the temperature of reagent card through cold compress mechanism 35, can guarantee the liquid quality in the reagent card.

The refined cold compress mechanism 35 comprises a cold compress plate 351 and a driving assembly 352, wherein the driving assembly 352 can control the cold compress plate 351 to vertically move, the cold compress plate 351 is positioned right above the moving path of the tray 6, when the tray 6 moves to the position right below the tray 6, the driving assembly 352 controls the cold compress plate 351 to vertically move downwards so that the cold compress plate 351 is in contact with the membrane on the reagent card, and the cold compress plate 351 can cool the membrane. For the driving assembly 352, a vertically disposed air cylinder may be used, and the cold compressing plate 351 may be driven to move vertically by the air cylinder. The structure of the cold compressing plate 351 is continuously refined, a cold water circulating pipeline 354 is arranged in the cold compressing plate 351, the cold water circulating pipeline 354 is connected with a refrigerating device, and the cold water circularly flows to play a role in cooling the diaphragm. The cold water circulation pipeline 354 is distributed in a serpentine shape in the cold compress plate 351, so that the utilization rate of cold water can be improved.

In an embodiment, the cold compress mechanism 35 further includes a removing component 353, and the removing component 353 can remove condensed water possibly formed on the surface of the product after cold compress, in particular, the condensed water on the surface of the membrane, which can ensure the cleanliness requirement of the reagent card.

Various embodiments may be employed for the cancellation component 353, such as embodiment one: eliminate subassembly 353 includes the air knife, and the air knife is located cold compress board 351's discharge side, and the air-out direction of air knife is the moving direction of level and perpendicular to tray 6, and the air knife can last to blow to the diaphragm surface of the reagent card after the cold compress, and then can eliminate the comdenstion water that the diaphragm surface probably produced. Example two: the eliminating assembly 353 comprises a wiping piece 355 and a control piece 356, wherein the wiping piece 355 can be wiping cotton, the wiping piece 355 is located right above the conveying line 71, when the reagent card after being cooled moves to be right below the wiping piece 355, the control piece 356 can control the wiping piece 355 to be in contact with the membrane surface of the reagent card, and the control piece 356 can continue to control the wiping piece 355 to move back and forth horizontally so as to achieve the purpose of wiping possible condensed water on the membrane surface of the reagent card.

After the cold compress cooling, the tray 6 continues to move to the film cutting station 4. Because a plurality of reagent cards are arranged in the tray 6, the size of the membrane is similar to that of the tray 6 at the membrane sealing station 3, and the membrane seals the plurality of reagent cards simultaneously, so that after the tray 6 enters the membrane cutting station 4, the membranes corresponding to the reagent cards need to be separated, and redundant membranes need to be cut. In the embodiment of the invention, the film cutting station 4 cuts the film by using laser, so that the film cutting station 4 comprises a laser 41 and a laser controller 42, wherein a light outlet of the laser 41 is positioned right above the conveying line 71, and when the tray 6 carrying the reagent card after film sealing moves to the film cutting station 4, the laser controller 42 controls the laser 41 to work, and the film is cut according to a preset program.

The specific laser cutting method of the membrane comprises the following steps:

when the diaphragm moves to the position right below the light outlet of the laser 41, the diaphragm is visually positioned through the tray 6 and the CCD camera;

and determining a laser cutting line according to the visual positioning information to formulate a laser cutting sequence, wherein the cutting sequence is sequentially and respectively cut towards two sides from the middle of the film.

When determining the laser cutting lines, the number of the laser cutting lines is related to the number of the reagent cards, and both sides of each reagent card have the laser cutting lines, for example, when the number of the reagent cards is 8, the number of the laser cutting lines is 9, and the laser cutting sequence is as follows: 8/6//4/2/1/3/5/7/9, the numbers representing the order of the corresponding laser cutting lines and being determined according to the direction of movement of the trays 6 on the conveyor line 71, although 9/7/5/3/1/2/4/6/8 is also contemplated.

In the invention, because the diaphragm is hot-pressed onto the reagent card through the hot air plate 331 and is subsequently subjected to cooling treatment through the cold compress mechanism 35, the diaphragm can generate certain stress, and if the diaphragm is cut sequentially from one side to the other side, the stress on the two sides after cutting is unevenly distributed, so that the cutting position during subsequent film cutting and the position during CCD camera visual positioning are greatly deviated, and the film cutting quality is difficult to ensure. In the embodiment, the film is cut from the middle, so that the stress generated after the film is cooled can be effectively released, the cutting position deviation caused by uneven stress distribution can be avoided, and the cutting quality is ensured.

In the preferred embodiment, when the membrane is cut by laser, the edge of the membrane needs to be pressed by the cover plate, which can prevent the membrane from generating large deformation after being cut and the membrane from deviating a large distance.

Continuously optimizing the laser cutting method of the film, when the cutting line corresponding to each reagent card is determined, capturing two edges of each reagent card through a CCD camera, calculating the angle mean value of the two edges, and taking the angle mean value as the angle of the laser cutting line. Through this kind of mode, can prevent that reagent card from putting unparallel or tray 6 wholly when having certain angle in tray 6, the reagent card corresponds the inhomogeneous problem of both sides cutting of diaphragm.

Further, because during laser cutting, each reagent card corresponds two laser cutting lines, then can't avoid producing the cutting tails after the cutting is accomplished, and the cutting tails is located tray 6 generally each reagent card corresponds regional outside, is located the outside of both sides reagent card, and these tails rely on tray 6's border after the cutting, then can arrange in waste film collection box 44 after getting waste material sucking disc 43 and snatching the cutting tails.

In addition, at the film cutting station 4, as the film is cut by laser, smoke and dust are inevitably generated, and therefore a dust removing structure is arranged at the film cutting station 4, in the embodiment, double-layer dust removal is adopted, one layer of dust removal aims at the position of the film, a cover body 45 is arranged above the film, the cover body 45 is positioned right above the film and below the cover body 45 is close to the film, the laser cuts the film in the cover body 45, and therefore the smoke and dust generated in the cutting process are mainly positioned in the cover body 45, a first air suction pipe 451 is arranged on the cover body 45, and most of the smoke and dust can be sucked out of the film cutting station 4 through the first air suction pipe 451; the two-layer dust removal is performed on the whole film cutting station 4, the film cutting station 4 is covered by the cover 46, and the cover 46 is provided with the second air extraction pipe 461, so that even a small amount of smoke escapes from the cover 45, the smoke escaping into the cover 46 can be further extracted through the second air extraction pipe 461.

After the diaphragm is cut, all reagent cards in the tray 6 are finished products and enter a manual detection station through a conveying line 71, and the manual detection station is mainly used for performing appearance detection on the finished products and entering a discharging station 5 for packing and boxing after the finished products are determined.

The blanking station 5 provided by the embodiment of the invention can be applied to a production line and comprises a tray conveying line 51, a boxing conveying line 52, a first manipulator 53 and a second manipulator 54, wherein the tray conveying line 51 can convey tray disks 55 to the boxing conveying line 52, the boxing conveying line 52 is used for conveying turnover boxes 56, the first manipulator 53 can transfer detected finished products into the tray disks 55, and the second manipulator 54 can transfer the tray disks 55 containing finished product reagent cards into the turnover boxes 56. In this embodiment, the finished reagent cards are transported to the blanking station 5, the finished reagent cards are captured into the tray trays 55 by the first robot 53, and when the tray trays 55 are full, the tray transport line 51 transports the tray trays 55 to the container transport line 52, and the tray trays 55 are stacked one by one onto the containers 56 by the second robot 54, and when the containers 56 are full, the containers transport line 52 blanks the containers 56 while transporting the empty containers 56 to the carousel transport line 71. In the process, the finished reagent cards can be boxed and packaged through the matching of the two conveying lines 71 and the two mechanical arms, the whole process is automatically completed, the packaging efficiency can be improved on the one hand, and the labor cost is reduced on the other hand. Because the first mechanical arm 53 is used for grabbing finished product reagent cards, the execution end of the first mechanical arm 53 adopts a sucker to adsorb the finished product reagent cards, and in the preferred scheme, the sucker adopts a variable-distance sucker which is positioned in combination with a CCD camera to adjust the corresponding distance of the sucker; the second robot 54 is configured to carry the tray 55 and may take the form of a gripper, which may be four-jaw and two-jaw, wherein the four jaws correspond to four sides of the tray 55 and the two jaws are configured to grip one set of opposing sides of the tray 55. Wherein, tray dish 55 has a plurality of holding tanks, and each holding tank is the array and distributes, and first manipulator 53 puts the reagent card to each holding tank in.

In an advantageous embodiment, the palletizing line 51 is perpendicular to the palletizing line 52, wherein the palletizing line 52 is the end of the entire production line, one end of which is used for providing empty totes 56, the other end of which is used for taking off the totes 56 filled with reagent cards, the end of the palletizing line 51 extends to the middle of the palletizing line 52, the palletizing line 51 generally extends along the length of the entire production line, and the palletizing line 52 extends along the width of the production line.

Continuing with the above embodiment, the blanking station 5 further comprises a storage rack 57, an elevator 58, and a cross-over rack 571, wherein the storage rack 57 is mainly used for stacking empty tray 55, and the cross-over rack 571 is used for moving the tray 55 stacked at the bottom out of the storage rack 57 and transferring it to the elevator 58. In this embodiment, the tray loading transport line 51 and the boxing transport line 52 are equal in height, the cross frame 571 is equal in height or close to the transport line 71, the elevator 58 can be connected to two heights, the lower point of the elevator 58 is in butt joint with the tray loading transport line 51, the upper point of the elevator 58 is in butt joint with the cross frame 571, and the upper point of the elevator 58 serves as a finished reagent card tray position, that is, when the cross frame 571 moves the tray 55 to the elevator 58, the first manipulator 53 captures the finished reagent card into the tray 55, and after tray loading is completed, the elevator 58 vertically moves downwards, and the tray 55 is transferred to the tray loading transport line 51. Through this embodiment structure, can optimize the spatial arrangement of unloading station 5, unloading station 5 occupation space can not be too big, can realize the automatic supply of tray dish 55 simultaneously. Wherein the storage rack 57 is provided with a plurality of supporting structures 572, the supporting structures 572 can be provided in a plurality of sets, and are arranged around the storage rack 57, for example, the storage rack 57 is square, the supporting structures 572 can be four sets, each orientation of the storage rack 57 corresponds to one set of supporting structure 572, the supporting structures 572 are controlled to stretch and retract by cylinders, the transverse moving rack 571 can slide into the bottom of the storage rack 57 and can support the tray 55 at the bottom, the supporting structure 572 can extend into the lower part of the edge of the penultimate tray 55, and can support the tray 55 at the penultimate and above by the cooperation of the plurality of sets of supporting structures 572, at this time, the transverse moving rack 571 moves downwards to drive the tray 55 (penultimate tray 55) above the transverse moving rack to horizontally move out of the bottom of the storage rack 57, and when the tray 55 on the transverse moving rack 571 is transferred onto the lifter 58, the transverse moving rack 571 returns to the position right below the storage rack 57, and is capable of supporting the now lowermost tray 55 (the penultimate tray 55 described above) when moved upwardly, and each support structure 572 is retracted to support the edge of the now penultimate tray 55, such that the cycle moves each tray 55 in the stack out of the storage rack 57 in turn. In a preferred embodiment, the storage rack 57 is provided with a sensor, which is close to the bottom position of the storage rack 57 and is used for judging whether there is a tray 55 in the storage rack 57 or whether the number of trays 55 in the storage rack 57 is small, and when the detection requirement is met, the sensor gives an alarm outwards, and infrared/laser detection can be adopted for the sensor.

Further, the blanking station 5 further comprises a finished product conveying line 59, the finished product conveying line 59 is in butt joint with the conveying line 71, the finished product conveying line 59 is as high as the conveying line 71 and as high as the high point of the lifter 58, and the first mechanical arm 53 is located between the finished product conveying line 59 and the lifter 58. In this embodiment, the finished product transport line 59 is additionally provided and can be regarded as a cache line of the finished product reagent card, the finished product reagent card on the transport line 71 can be transferred to the finished product transport line 59 for caching at the end of the transport line 71, and the first manipulator 53 can grab the finished product reagent card onto the corresponding tray 55 from the finished product transport line 59. In a preferred scheme, two finished product conveying lines 59 can be arranged, the two finished product conveying lines are arranged in parallel, the conveying line 71 is located between the two finished product conveying lines 59, the finished product conveying lines 59 are arranged at manual detection stations, on one hand, detection of finished product reagent cards can be facilitated, and on the other hand, the reagent cards in the trays 6 can be manually transferred to the finished product conveying lines 59 from the conveying lines.

The structure of the refined finished product conveying line 59 comprises a conveying belt 591, wherein a plurality of positioning grooves 592 are arranged on the conveying belt 591, the length direction of the positioning grooves 592 is the length extension direction of the finished product conveying line 59, the width dimension corresponds to the width of reagent cards, and the reagent cards are sequentially arranged along the length direction of the positioning grooves 592. The transport belt 591 is conveyed by a belt, after the reagent cards are placed in the positioning slots 592, the transport belt 591 can drive the reagent cards to move towards the direction close to the first manipulator 53, and one end of each reagent card close to the first manipulator 53 in the positioning slots 592 is closed, that is, when the reagent cards move to the closed position, the closed structure can block the reagent cards from moving continuously, relative sliding is generated between the reagent cards and the transport belt 591, at this time, the reagent cards reach the position where the finished product transport line 59 is closest to the first manipulator 53, and the first manipulator 53 can grab the reagent cards into the corresponding tray 55.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a seal membrane station with cold compress function for seal membrane to the product after the filling, its characterized in that: comprises a film sealing mechanism, a cold compressing mechanism and a component to be transported;

the cold compress mechanism is used for cooling the heat-sealed product;

2. A film sealing station with a cold compress function as in claim 1, wherein: the cold compress mechanism comprises a cold compress plate capable of cooling and a driving assembly driving the cold compress plate to vertically move, and the cold compress plate is located right above a product moving path.

3. A film sealing station with a cold compress function as claimed in claim 2, wherein: and a cold water circulating pipeline is arranged in the cold compressing plate and is connected with a refrigerating device.

4. A film sealing station with a cold compress function as in claim 1, wherein: the cold compress device also comprises a removing component for removing condensed water on the surface of the cold compressed product.

5. A film sealing station with a cold compress function according to claim 4, characterized in that: the eliminating assembly comprises an air knife, and the air outlet direction of the air knife is perpendicular to the moving direction of the tray and is arranged on the discharge side of the cold compress mechanism.

6. A film sealing station with a cold compress function as claimed in claim 4, wherein: the abatement assembly includes a wiper and a control that controls the wiper to wipe the surface of the film web of the cold-applied product.

7. A film sealing station with a cold compress function as in claim 1, wherein: the film sealing mechanism comprises a hot air plate and a driving piece for driving the hot air plate to vertically move, and the hot air plate is positioned right above a product moving path.

8. A film sealing station with a cold compress function as recited in claim 7, wherein: and a buffer structure is arranged on the hot air plate.

9. The automatic filling and sealing production line of claim 1, wherein: the film sealing mechanism is characterized by further comprising a jacking positioning assembly arranged on the frame and used for positioning a filled product, wherein the jacking positioning assembly is located below the film sealing mechanism.

10. The utility model provides an automatic filling seals membrane production line, includes material loading station, filling station, cuts membrane station and unloading station, its characterized in that: the film sealing machine further comprises a film sealing station as claimed in claims 1-9, wherein the feeding station, the filling station, the film sealing station, the film cutting station and the blanking station are sequentially arranged on the frame, and products to be filled are sequentially moved along the stations through the conveying assembly;

the feeding station is used for placing a product to be filled into the tray;

the filling station is used for filling liquid into a product to be filled;