Blood bag suction cup transfer mechanism

Abstract

The application discloses a suction cup transfer mechanism of a blood collection bag, which comprises a suction cup, a top plate, a downward extending needle and a hollow suction pipe. The suction cup is six in number and is arranged in mirror image symmetry on both sides of the downward extending needle. The axis of each of the two suction cups on the adjacent sides of the downward extending needle is parallel to the axis of the downward extending needle, and the two axes are coincident on a same space longitudinal section. The four remaining suction cups are arranged in mirror image symmetry on both sides of the space longitudinal section, and the distance between the four remaining suction cups and the space longitudinal section gradually decreases from the root to the opening of the four remaining suction cups. The application makes the suction cup more suitable for the shape and hardness of the blood collection bag, and has a sampling and detecting function, and is suitable for use in an automatic turnover system of the blood collection bag in a blood station.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automation, in particular to a suction cup transfer mechanism for blood collection bags. BACKGROUND

[0002] Blood collection bags are used to extract and store a certain number of milliliters of human blood and are widely used in medicine. After being collected separately, the blood collection bags need to be uniformly transported to the blood station for storage at a specified temperature, so an automatic turnover mechanism needs to be applied in the blood station to handle the large number of blood collection bags.

[0003] Chinese Patent Specification CN218878705U discloses a plasma packaging product taking and placing gripper device. It includes a fixed plate and a suction cup device, characterized in that: the fixed plate is provided with a clamping device, the clamping device includes two sets of clamping mechanisms, two clamping plates, a motor and a driving component, the motor and the transmission component are arranged in the middle of the fixed plate, the two sets of clamping mechanisms are symmetrically arranged on the two ends of the bottom surface of the fixed plate, one clamping plate is vertically arranged on the moving end of each clamping mechanism, the motor drives the two sets of clamping mechanisms through the transmission component to drive the two clamping plates to move synchronously, so that the two clamping plates clamp the plasma packaging product in a vertical and parallel state or release the clamped plasma packaging product. It is reliable in operation and can stably grasp the plasma packaging product when it is inclined at a certain angle or deviated at a certain position. It also has the functions of grasping, clamping and accurate positioning, and has a simple and compact structure.

[0004] The above technical solution mainly uses a suction cup to adsorb and turnover blood collection bags, but the suction cup is a single suction cup, which may not be curved to match the convex curved surface of the blood collection bag. In addition, this mechanism only has the function of simple adsorption and turnover, and the overall function is relatively single. When the application demand of the blood station is high-standard and complex, it is difficult to apply. SUMMARY

[0005] The problem to be solved by the present application is to provide a suction cup transfer mechanism for blood collection bags, so that the suction cup is more suitable for the shape and hardness of the blood collection bag, and also has the function of sampling detection, which is suitable for use in the automatic turnover system of blood collection bags in the blood station.

[0006] To solve the above problems, the present application provides a suction cup transfer mechanism for blood collection bags. To achieve the above purpose, the technical scheme adopted by the present application to solve the technical problems is:

[0007] The suction cup transfer mechanism of the blood collection bag comprises: a suction cup, a top plate fixed with a plurality of downwardly open suction cups, the suction cups being in suction contact with the blood collection bag, the top surface and the bottom surface of the blood collection bag comprising outer arches; a downward needle penetrating through the centroid of the top plate, the downward needle having a lifting degree of freedom along its own axis, the downward needle piercing the blood collection bag when it is extended, the downward needle itself having a hollow suction pipe; the number of the suction cups is six, and the two suction cups on the two sides of the downward needle are arranged in mirror symmetry; the axes of the two suction cups on the two adjacent sides of the downward needle are parallel to the axis of the downward needle, and are coincided on a same spatial longitudinal section; in addition to the two suction cups on the two adjacent sides of the downward needle, the other four suction cups are arranged in mirror symmetry on the two sides of the spatial longitudinal section, and the distance from the suction cups to the spatial longitudinal section gradually decreases from the root to the opening.

[0008] The beneficial effect of the above technical solution is that the suction cup structure of the blood collection bag is designed, and the suction cup is more suitable for the shape and hardness of the blood collection bag. It also has a sampling detection function.

[0009] Firstly, part of the suction cup is vertical, and part of it is appropriately inclined, which adapts to the slightly convex shape of the blood collection bag after being filled with blood. In this way, the blood collection bag is not easy to wrinkle and deform when being adsorbed and circulated.

[0010] Secondly, the downward needle has an extension degree of freedom. When normally circulating, the downward needle is retracted and does not interfere with the blood collection bag. When temporary sampling is needed, the downward needle is extended to sample the blood in the blood collection bag. The sampling mechanism and the suction cup circulation mechanism are integrated, which greatly improves the sampling efficiency and reduces the equipment size.

[0011] Finally, the suction cups on the two adjacent sides of the downward needle are vertically downward, and the suction adsorption force of the suction cups can resist the force when the downward needle is pierced downward to avoid the blood collection bag from loosening.

[0012] As a further improvement of the present application, the two ends of the blood collection bag comprise olive-shaped pieces, which are integrally connected with the outer arches of the top surface and the bottom surface of the blood collection bag; the outer wall of the blood collection bag at the outer arches is a convex curved surface; the highest limit position of the bottom of the downward needle is higher than the outer arch of the top surface of the blood collection bag, and the lowest limit position of the bottom of the downward needle is lower than the outer arch of the top surface of the blood collection bag and higher than the outer arch of the bottom surface of the blood collection bag.

[0013] The beneficial effect of the above technical solution is that the overall shape of the blood collection bag is close to a rectangle from the top view, and the top surface and the bottom surface are both convex curved surfaces. The action range of the blood collection bag ensures that it only samples a small number of milliliters, does not pierce the entire blood collection bag, and does not contaminate the work station.

[0014] As a further improvement of the present application, the bottom of the downward needle has a conical part, and the side surface of the downward needle has a side hole communicating with the suction pipe.

[0015] The beneficial effect of the above technical scheme is that the conical part ensures the sharpness of the downward needle, and the side hole is not easily blocked by the thin film shell of the blood collection bag.

[0016] As a further improvement of the application, the top plate is composed of three straight strips connected at obtuse angles, and each straight strip is equipped with two suction cups.

[0017] The beneficial effect of the above technical scheme is that the shape of the top plate itself reduces the difficulty of assembling the suction cups, and the suction cups only need to ensure the vertical assembly of their own roots to ensure different angles between different suction cups and the plumb line.

[0018] As a further improvement of the application, one end of the top plate is fixed with a photoelectric sensor, the orientation of the photoelectric sensor is located on the space longitudinal section, and the orientation of the photoelectric sensor forms an angle with the axis of the downward rod; when the downward needle is at the highest limit position, the orientation of the photoelectric sensor does not intersect with the downward needle; when the downward needle is at the lowest limit position, the orientation of the photoelectric sensor intersects with the downward needle.

[0019] The beneficial effect of the above technical scheme is that the orientation of the photoelectric sensor is oblique, and this oblique sensing path can sense whether the suction cup is adsorbed to the blood collection bag at this moment, and can also sense whether the downward needle is extended.

[0020] As a further improvement of the application, the upper surface of the top plate is assembled with a parallel robot through a flange seat, the top plate is provided with a hose, the hose is connected with a vacuum generator, and the hose and the suction cup realize air path communication.

[0021] The beneficial effect of the above technical scheme is that the suction cup uses negative pressure to adsorb or relax the blood collection bag.

[0022] As a further improvement of the application, the suction cup is made of silica gel, and the outer wall of the suction cup is spaced apart along the axial direction and is provided with a plurality of annular ribs.

[0023] The beneficial effect of the above technical scheme is that the part between adjacent annular ribs is relatively weak in structural strength and can be compressed, so the suction cup has a compression buffering effect.

[0024] As a further improvement of the application, the length direction of the straight strip is parallel to the length direction of the blood collection bag; the height of the bottom opening of the suction cup of the two straight strips on the two sides is lower than the height of the bottom opening of the suction cup of the straight strip in the middle.

[0025] The beneficial effect of the above technical scheme is that the bottom opening of the suction cup itself adapts to the convex curved surface modeling of the top surface of the blood collection bag.

[0026] As a further improvement of the present application, a metal cover is arranged on the top plate, and the metal cover is used for the hose to pass through.

[0027] The beneficial effects of the above technical solution are that the metal cover can make the upper surface of the whole suction cup group more smooth, and avoid dirt. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0029] Figure 1 is a perspective view of a suction cup transfer mechanism of an embodiment of the present application;

[0030] Figure 2 is a partial enlarged view of A of an embodiment of the present application;

[0031] Figure 3 is an application schematic diagram of a suction cup transfer mechanism of an embodiment of the present application;

[0032] Figure 4 is a perspective view of a suction cup transfer mechanism of an embodiment of the present application;

[0033] Figure 5 is a perspective view of a suction cup transfer mechanism of an embodiment of the present application;

[0034] Figure 6 is a perspective view of a suction cup transfer mechanism of an embodiment of the present application;

[0035] Figure 7 is an application schematic diagram of a clamping turnover mechanism of an embodiment of the present application;

[0036] Figure 8 is a partial enlarged view of B of an embodiment of the present application;

[0037] Figure 9 is an application schematic diagram of a suction blister tray of an embodiment of the present application;

[0038] Figure 10 is a perspective view of a clamping turnover mechanism of an embodiment of the present application;

[0039] Figure 11 is a partial enlarged view of C of an embodiment of the present application;

[0040] Figure 12is a perspective view of the suction cup transfer mechanism, the clamping turnover mechanism, and the gantry of one embodiment of the present application;

[0041] Figure 13 is a perspective view of the gantry of one embodiment of the present application;

[0042] Figure 14 is a perspective view of the gantry of one embodiment of the present application;

[0043] Figure 15 is a partial enlarged view of D of one embodiment of the present application.

[0044] 1-blood collection bag; 1a-outer arch piece; 1b-olive-shaped piece; 2-suction cup; 2a-annular convex rib; 3-top plate; 3a-straight plate strip; 4-hose; 5-needle; 5a-conical part; 5b-side hole; 6-optoelectronic sensor; 7-parallel robot; 8-rack; 9-mechanical arm; 10-forklift pallet; 11-suction tray; 11a-hollow hole; 11b-first recessed pit; 11c-first wrap angle; 11d-first boss; 11e-separation rib; 12-clamping jaw; 12a-convex tooth; 13-flange seat; 14-horizontal plate; 15-linear cylinder; 16-sliding block; 17-linear guide rail; 18-limiting head; 19-outer extension plate; 20-gantry; 21-optoelectronic detector; 22-horizontal linear module; 23-pad plate; 23a-flat bottom surface; 23b-second recessed pit; 23c-second wrap angle; 23d-second boss. DETAILED DESCRIPTION

[0045] The content of the present application will be further described in detail below in combination with specific embodiments:

[0046] In order to achieve the purpose of the present application, the suction cup transfer mechanism of the blood collection bag comprises: a suction cup 2, a top plate 3 fixed with a plurality of downwardly open suction cups 2, the suction cup 2 being in suction contact with the blood collection bag 1, the top surface and the bottom surface of the blood collection bag 1 comprising an outer arch piece 1a; a needle 5 penetrating through the centroid of the top plate 3, the needle 5 having a lifting degree of freedom along its own axis, the needle 5 being capable of piercing the blood collection bag 1 when it is extended forward, and the needle 5 itself having a hollow suction pipe; the number of the suction cups 2 is six, and the two suction cups 2 on the two sides of the needle 5 are arranged in mirror symmetry; the two suction cups 2 on the two adjacent sides of the needle 5 each have an axis parallel to the axis of the needle 5 and coincide with each other on the same spatial longitudinal section; in addition to the two suction cups 2 on the two adjacent sides of the needle 5, the remaining four suction cups 2 are arranged in mirror symmetry on the two sides of the spatial longitudinal section, and the distance between the suction cup 2 and the spatial longitudinal section gradually decreases from the root to the opening of the suction cup 2.

[0047] The beneficial effect of the above technical scheme is that the suction cup structure of the blood collection bag is designed, and the suction cup is more suitable for the shape and hardness of the blood collection bag. Meanwhile, the sampling detection function is also provided. First, a part of the suction cup is vertical, and a part is appropriately inclined, which is suitable for the slightly convex shape of the blood collection bag after being filled with blood. In this way, the blood collection bag is not easy to wrinkle and deform when being adsorbed and circulated. Second, the lower needle has the telescopic freedom degree. When being normally circulated, the lower needle is retracted and does not interfere with the blood collection bag. When temporarily sampling is needed, the lower needle is extended forward, so as to sample the blood in the blood collection bag. The sampling mechanism and the suction cup circulation mechanism are integrated, which greatly improves the sampling efficiency and reduces the equipment size.

[0048] Finally, the suction cups adjacent to the two sides of the lower needle are vertically downward, and the suction force of the suction cups can resist the force when the lower needle is downwardly punctured, so as to avoid the loosening of the blood collection bag.

[0049] In some other embodiments of the present application, the two ends of the blood collection bag 1 include olive-shaped pieces 1b, which are integrally connected with the top surface and the bottom surface of the blood collection bag 1. The outer wall of the blood collection bag 1 at the outer arch piece 1a is a convex curved surface. The highest limit position of the bottom of the lower needle 5 is higher than the outer arch piece 1a of the top surface of the blood collection bag 1, and the lowest limit position of the bottom of the lower needle 5 is lower than the outer arch piece 1a of the top surface of the blood collection bag 1 and higher than the outer arch piece 1a of the bottom surface of the blood collection bag 1.

[0050] The beneficial effect of the above technical scheme is that the overall shape of the blood collection bag is close to a rectangle from the top view, and the top surface and the bottom surface are both convex curved surfaces. The action range of the blood collection bag ensures that it only samples a small number of milliliters, does not puncture the entire blood collection bag, and does not contaminate the work station.

[0051] In some other embodiments of the present application, the bottom of the lower needle 5 has a conical part 5a, and the side of the lower needle 5 has a side hole 5b in communication with the suction pipe.

[0052] The beneficial effect of the above technical scheme is that the conical part ensures the sharpness of the lower needle, and the side hole is not easy to be blocked by the thin film shell of the blood collection bag itself.

[0053] In some other embodiments of the present application, the top plate 3 is composed of three straight plate strips 3a connected in sequence at obtuse angles, and each straight plate strip 3a is equipped with two suction cups 2, and the suction cups 2 are vertically assembled with the straight plate strip 3a.

[0054] The beneficial effect of the above technical scheme is that the shape of the top plate itself reduces the difficulty of assembling the suction cups, and the suction cups only need to ensure the vertical assembly of the root part, so as to ensure different included angles between different suction cups and the plumb line.

[0055] In some other embodiments of the present application, one end of the top plate 3 is fixed with a photoelectric sensor 6, the orientation of the photoelectric sensor 6 is located on the space longitudinal section, and the orientation of the photoelectric sensor 6 is at an angle with the axis of the downward rod 5 itself; when the downward needle 5 is located at the highest limit position of itself, the orientation of the photoelectric sensor 6 does not intersect with the downward needle 5; when the downward needle 5 is located at the lowest limit position of itself, the orientation of the photoelectric sensor 6 intersects with the downward needle 5.

[0056] The beneficial effects of the above technical scheme are that the orientation of the photoelectric sensor is oblique, and the oblique sensing path can sense whether the suction cup is adsorbed to the blood collection bag at the moment or not, and can also sense whether the downward needle is protruded or not. It is equivalent to that the sensor can sense whether the two functions are realized or not.

[0057] In some other embodiments of the present application, the upper surface of the top plate 3 is assembled with the parallel robot 7 through a flange seat, the top plate 3 is penetrated with the hose 4, the hose 4 is connected with a vacuum generator, and the hose 4 realizes air path communication with the suction cup 2.

[0058] The beneficial effects of the above technical scheme are that the suction cup utilizes negative pressure to adsorb or relax the blood collection bag.

[0059] In some other embodiments of the present application, the suction cup 2 is made of silica gel, and the outer wall of the suction cup 2 is arranged with a plurality of annular ribs 2a along the axial direction of the suction cup 2.

[0060] The beneficial effects of the above technical scheme are that the part between the adjacent annular ribs is relatively weak in structural strength and can be compressed, so that the suction cup has a compression buffering effect.

[0061] In some other embodiments of the present application, the length direction of the straight plate strip 3a is parallel to the length direction of the blood collection bag 1; the height of the opening of the bottom of the suction cup 2 of the two straight plate strips 3a on both sides is lower than the height of the opening of the bottom of the suction cup 2 of the straight plate strip 3a in the middle.

[0062] The beneficial effects of the above technical scheme are that the opening of the bottom of the suction cup itself is adapted to the convex curved surface modeling of the top surface of the blood collection bag.

[0063] In some other embodiments of the present application, the top plate 3 is covered with a metal cover, and the metal cover is penetrated by the hose 4.

[0064] The beneficial effects of the above technical scheme are that the metal cover can make the upper surface of the entire suction cup group more smooth and avoid dirt.

[0065] In order to achieve the purpose of the present application, the automatic turnover system of the blood station blood collection bag comprises: a suction cup transfer mechanism, which comprises a suction cup 2 in contact with the top surface of the blood collection bag 1, and the suction cup 2 is connected with a parallel robot 7; a blister tray 11 comprising a plurality of containing cells for placing the blood collection bag 1, the side vertical surface of the blister tray 11 has a surrounding beam, and the outer wall of the surrounding beam has a first recess 11b; a clamping turnover mechanism comprising a pair of clamping jaws 12 capable of moving towards or away from each other, the clamping jaws 12 are inserted into the first recess 11b, and the clamping turnover mechanism turns and stacks the blister tray 11 with the blood collection bag 1.

[0066] As shown in Figure 9 the bottom surface of the containing cell has a hollow hole 11a, and the centroid of the bottom surface of the containing cell is not in contact with the hollow hole 11a; the height of the surrounding beam is greater than the vertical thickness of the blood collection bag 1.

[0067] The beneficial effects of the above technical scheme are: the present technical scheme provides a complete solution for the sorting and turnover of the blood station blood collection bag in addition to the storage work. The overall automation degree is high, and the turnover mode at different stages is also suitable for different turned-over objects. The overall design is reasonable and efficient. First, the different specifications of the blood collection bag collected from various places are transferred to the blister tray one by one, and the turnover mode of the suction cup is relatively gentle. After being transferred to the blister tray, the same specification is classified, which is convenient for batch turnover in the later stage and stacking. This is the first stage, and the main idea is sorting, followed by turnover. Secondly, the clamping turnover mechanism uses a physical movable clamp to clamp the blister tray, thereby realizing batch turnover of the blood collection bag and improving the efficiency. The assembly mode of the clamping jaw and the blister tray is relatively firm, which is equivalent to the second stage, which is mainly turnover. Thirdly, the hollow hole of the blister tray is equivalent to penetrating the upper and lower surfaces of the blister tray. Under the premise that the blood collection bag will not fall off, it is not easy to be in a small volume sealed area when stacking, and the surfaces are not easy to be adhered to each other due to negative pressure when being split. Finally, the thickness of the blister tray ensures that the vertical stacking is concave-convex matched, avoiding the damage of the blood collection bag.

[0068] In some other embodiments of the present application, the blister tray 11 is divided into a plurality of containing cells by a partition rib 11e, and the containing cells are arranged in a rectangular array; the top corner of the surrounding beam has a first convex corner 11c; the top of the surrounding beam has a first convex boss 11d; the connecting lines between all the first convex corners 11c of the same blister tray 11 form a rectangle, and the connecting lines between all the first convex bosses 11d of the same blister tray 11 form a diamond.

[0069] The beneficial effects of the above technical scheme are: the vertically stacked blister trays are limited by mutual clamping between the vertically adjacent blister trays. The first convex corner is to avoid horizontal displacement between each other, and the clamped first convex boss also enhances the limiting effect.

[0070] In other embodiments of the present invention, the clamping and turnover mechanism includes a robotic arm 9, which is fitted with a horizontal plate 14 via a flange seat 13. A linear cylinder 15 is fixed to the lower surface of the horizontal plate 14, and the linear cylinder 15 drives the grippers 12. Each gripper 12 has a plurality of protruding teeth 12a spaced apart along the same horizontal direction. Each first recess 11b accommodates one protruding tooth 12a. Figure 11 As shown, the convex tooth 12a itself is a cuboid.

[0071] The beneficial effects of adopting the above technical solution are: the linear cylinder provides the gripper with linear motion in opposite directions. Compared with cylindrical or hemispherical teeth, the cuboid teeth have a better limiting effect and can restrict the degree of freedom of rotation.

[0072] like Figure 10 As shown, in some other embodiments of the present invention, a linear guide rail 17 is fixed on the lower surface of the horizontal plate 14, a slider 16 is movably mounted on the linear guide rail 17, and an extension plate 19 is fixed on the slider 16; limiting heads 18 fixed to the horizontal plate 14 are also provided on both sides of the extension plate 19; the limiting heads 18 on both sides of the extension plate 19 are coaxial and oppositely arranged bolts, the distance between the limiting heads 18 on both sides of the extension plate 19 is greater than the thickness of the extension plate 19, and the extension line of the bolt's own axis intersects with the extension plate 19.

[0073] The beneficial effects of adopting the above technical solution are: the linear guide rail provides guidance for the movement of the gripper; the limiting head effectively restricts the extreme positions, thus adapting to the clamping and loosening of the blister tray; and the bolts allow for fine adjustment of these extreme positions.

[0074] like Figure 12 As shown, in some other embodiments of the present invention, the number of suction cup transfer mechanisms is an integer multiple of the number of clamping and turnover mechanisms, such as... Figure 7 As shown, a forklift pallet 10 is provided next to the clamping and turnover mechanism. The clamping and turnover mechanism stacks the blister pallet 11 with blood collection bags 1 on the forklift pallet 10.

[0075] The beneficial effects of adopting the above technical solution are: because a blister tray can store multiple blood collection bags, and the clamping and turnover mechanism can turn over a blister tray at a time, the relative turnover efficiency of a clamping and turnover mechanism is several times that of the suction cup transfer mechanism.

[0076] In some other embodiments of the present invention, a gantry 20 is provided between the suction cup transfer mechanism and the clamping and turnover mechanism. A horizontal linear module 22 is provided on the lower surface of the top of the gantry 20, and a photodetector 21 is provided on the slide of the horizontal linear module 22.

[0077] The beneficial effect of the above technical scheme is that the photoelectric detector can quickly sense the information of the blood collection bag on the blister tray and detect whether the blood collection bag is loaded according to the requirement.

[0078] As shown in the drawings, Figure 13 In some other embodiments of the present application, the photoelectric detector 21 is located below the gantry 20 through which the blister tray 11 loaded with the blood collection bag 1 passes, and the photoelectric detector 21 faces the blood collection bag 1 in the blister tray 11, and the number of the photoelectric detector 21 is equal to the number of rows of the blood collection bag 1 on the blister tray 11.

[0079] The beneficial effect of the above technical scheme is that the photoelectric detector can quickly sense the information of the blood collection bag on the blister tray and detect whether the blood collection bag is loaded according to the requirement.

[0080] As shown in the drawings, Figure 12 、 Figure 13 In some other embodiments of the present application, the gantry or the gantry is further provided with a backing plate 23, the backing plate 23 has a flat bottom surface 23a in contact with the bottom surface of the blister tray 11, and the vertical thickness of the backing plate 23 is greater than the thickness of the blister tray 11.

[0081] The beneficial effect of the above technical scheme is that the backing plate provides an intermediate object and an auxiliary tool. The complete flat bottom surface of the backing plate can be used as the bottom support of the blister tray, which is convenient to use when the strength of the blister tray itself is not enough.

[0082] As shown in the drawings, Figure 13 、 Figure 14 In some other embodiments of the present application, the backing plate 23 is made of metal, one edge of the backing plate 23 has a second recess 23b for inserting the protruding teeth 12a, and the top corner of the backing plate 23 has a second convex corner 23c; one edge of the backing plate 23 has a second convex boss 23d.

[0083] The beneficial effect of the above technical scheme is that the backing plate is matched with the concave-convex of the blister tray, so the clamping effect is good.

[0084] In some other embodiments of the present application, the turnover method, including the automatic turnover system of the blood station blood collection bag as above, the method steps are as follows: step one, a plurality of suction cup transfer mechanisms are collectively arranged on the same conveying belt, and a plurality of specifications of blood collection bags 1 are conveyed on the conveying belt; step two, each suction cup transfer mechanism uses its own suction cup 2 to adsorb and transfer the same specification of blood collection bag 1 to the blister tray 11; step three, when the blister tray 11 is full of blood collection bags 1, the blister tray 11 is conveyed horizontally and passes under the gantry 20, and the photoelectric detector 21 of the gantry 20 detects the number and specification of the blood collection bags 1 on the blister tray; step four, the clamping turnover mechanism clamps the two side edges of the blister tray 11 after passing out from the gantry 20, and stacks the blister tray 11 on the forklift tray 10; step five, the mat 23 is buckled below the empty blister tray 11, and the blister tray 11 buckled with the mat 23 below is sequentially subjected to steps one, two, three, and four; step six, the mats 23 on the forklift tray 10 are arranged vertically and spaced apart, and the number of the blister trays 11 on the forklift tray 10 is greater than the number of the mats 23.

[0085] The beneficial effects of the above technical scheme are: the turnover method is targeted for sorting and turnover, and sorting and turnover are performed synchronously and have different focuses. After grading processing, the same specification of blood collection bags can be finally realized in group stacking, which greatly reduces the occupied space and improves the uniformity. The mat has high degree of freedom of use, can assist the relatively weak blister tray, and can also increase the stacking height through the improvement of structural strength.

[0086] Figure 9 The blister tray 11 in the above formula is not full of plasma bags 1, so that the hollow hole 11a can be clearly displayed.

[0087] The outer arch piece 1a and the olive-shaped piece 1b of the blood collection bag 1 are made of integral PVC material.

[0088] The space longitudinal section is a virtual space plane set for the convenience of expressing the relative position relationship of each component.

[0089] As shown in Figure 5 , the respective roots of the three suction cups 2 on the same side of the lower extension needle 5 form an equilateral triangle in sequence. As shown in Figure 5 , the inner wall of the bottom opening of the suction cup 2 has a plurality of radially arranged annular ribs.

[0090] As shown in Figure 1 , the top of the parallel robot 7 is fixed with a gantry 8, and the gantry 8 and the box plate form a box-shaped structure.

[0091] As shown in Figure 3 , there is a vertical gap between the top plate 3 and the metal cover.

[0092] Figure 9 The blister tray 11 in FIG. 21 is not full of the plasma bags 1, so the hollow holes 11a are clearly shown.

[0093] In order to enlarge the display, Figure 3 、 Figure 5 、 Figure 6 The parallel robot 7 is hidden in FIG. 24.

[0094] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made in accordance with the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A suction cup transfer mechanism for blood collection bags, characterized in that, include: The suction cups have several downward-facing openings fixed on the top plate. The suction cups are in contact with the blood collection bag. The top and bottom surfaces of the blood collection bag include an outer arched plate. The lower extension needle passes through the centroid of the top plate. The lower extension needle has the freedom to move up and down along its own axis. When the lower extension needle extends forward, it punctures the blood collection bag. The lower extension needle itself has a hollow suction tube. The number of suction cups is six, and they are arranged in a mirror-symmetrical manner on both sides of the lower extension needle; The axes of the two suction cups on adjacent sides of the lower extension needle are parallel to the axis of the lower extension needle itself, and they coincide in the same spatial longitudinal section. In addition to the two suction cups on the two sides adjacent to the lower extension needle, the remaining four suction cups are arranged symmetrically in mirror image on both sides of the spatial longitudinal section, and the distance from the suction cup to the spatial longitudinal section gradually decreases from its root to the opening. The blood collection bag includes olive-shaped pieces at both ends, which are integrally connected to the outer arched pieces on the top and bottom surfaces of the blood collection bag; the outer walls of the blood collection bag at the outer arched pieces are all convex curved surfaces. The highest limit position of the bottom of the lower extension needle is higher than the outer arch plate of the top surface of the blood collection bag, and the lowest limit position of the bottom of the lower extension needle is lower than the outer arch plate of the top surface of the blood collection bag but higher than the outer arch plate of the bottom surface of the blood collection bag. The top plate is composed of three straight strips connected at obtuse angles in sequence. Each straight strip is equipped with two suction cups, which are mounted perpendicular to the straight strips. The length direction of the straight strip is parallel to the length direction of the blood collection bag; the height of the bottom opening of the suction cup of the two straight strips on both sides is lower than the height of the bottom opening of the suction cup of the middle straight strip. The bottom of the lower extension needle has a conical portion, and the side of the lower extension needle has a side hole that communicates with its own suction tube. A photoelectric sensor is fixed to one end of the top plate. The orientation of the photoelectric sensor is located on the longitudinal section of the space, and the orientation of the photoelectric sensor is at an angle to the axis of the lower extension rod itself. When the lower extension needle is at its highest limit position, the orientation of the photoelectric sensor does not intersect with the lower extension needle; when the lower extension needle is at its lowest limit position, the orientation of the photoelectric sensor intersects with the lower extension needle. The photoelectric sensor is oriented at an angle. This angled sensing path can detect whether the suction cup has been attached to the blood collection bag at this moment, and it can also detect whether the lower extension needle has extended forward. The lines connecting the roots of the three suction cups on the same side of the lower extension needle form an equilateral triangle.

2. The suction cup transfer mechanism for the blood collection bag according to claim 1, characterized in that: The upper surface of the top plate is assembled with the parallel robot via a flange seat. The top plate is fitted with a flexible hose, which is connected to a vacuum generator. The hose is connected to a suction cup for air circulation.

3. The suction cup transfer mechanism for the blood collection bag according to claim 1, characterized in that: The suction cup is made of silicone, and the outer wall of the suction cup has several annular ribs arranged at intervals along its own axis.

4. The suction cup transfer mechanism for the blood collection bag according to claim 2, characterized in that: The top plate is covered with a sheet metal cover, through which a flexible hose passes.

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