Dispensing system

Abstract

The utility model provides a dispensing system which comprises a conveying mechanism, a packaging bag maintaining mechanism is installed on the conveying mechanism, a bag pressing module used for limiting packaging bags is arranged on the packaging bag maintaining mechanism, and the conveying mechanism is provided with a bag feeding station, a top sealing station and a bag falling station. And the pushing and pressing mechanisms are arranged on the bag receiving station, the top sealing station and the bag falling station correspondingly, and the pushing and pressing mechanisms arranged on the bag receiving station, the top sealing station and the bag falling station are used for opening the bag pressing module, opening the packaging bag maintaining mechanism and opening the bag pressing module and the packaging bag maintaining mechanism at the same time correspondingly. Through the arrangement, the pushing and pressing mechanisms at the three stations only carry out one-time feeding pushing and pressing action in the working process, the bag pressing module and / or the packaging bag maintaining mechanism are / is opened, the working reliability of the pushing and pressing mechanisms can be improved, the working stability of the dispensing system can be improved, meanwhile, the structure of the pushing and pressing mechanisms is simplified, and the cost is reduced. And an operator can conveniently overhaul and maintain the pushing and pressing mechanism.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of granular preparation dispensing, and particularly relates to a dispensing system. BACKGROUND

[0002] Granular preparation refers to an article in the shape of granules, such as granular preparation in medicines and condiments. Dispensing refers to the process of quantitatively adding granular products from a container with a large volume to a packaging bag. Before and after dispensing, a large number of other operations need to be performed, such as production of packaging bags, conveying and transporting of packaging bags, sealing and bagging of packaging bags, and a series of operations. For example, a Chinese utility model patent with the application number CN202320129639.4 discloses a novel granular preparation dispensing device. A bag making mechanism, a packaging bag rotating mechanism, a dispensing driving mechanism, and a sealing and bagging mechanism are sequentially installed on a fixing frame. The packaging bag rotating mechanism is provided with an annular conveying structure, and a plurality of packaging bag clamping mechanisms are installed on the annular conveying structure. The bag making mechanism is located below the packaging bag rotating mechanism, and the packaging bag clamping mechanisms rotate along the annular conveying structure below the dispensing driving mechanism. The working process of the sealing and bagging mechanism is as follows: the bag rack opening structure is used to pull open the bag rack so that the packaging bag with an open top can be evenly unfolded; the heating sealing structure is used to heat seal the packaging bag; after sealing is completed, the bag rack opening assembly opens the medicine bag clamping mechanism, and the medicine bag freely falls.

[0003] In the above scheme, the sealing and bagging of the packaging bag are completed at one station. The bag rack opening assembly needs to drive the bag rack twice, specifically, before sealing, the sealing and bagging mechanism first pulls open the bag rack, and after sealing is completed, the medicine bag clamping mechanism is opened. In the use process of the scheme, the control process of the sealing and bagging mechanism is complex, and the medicine bag clamping mechanism cannot be smoothly opened after sealing is completed. The working stability of the granular preparation dispensing system is poor.

[0004] Therefore, it is a technical problem to be solved by those skilled in the art to design a dispensing system that can ensure stable operation. UTILITY MODEL CONTENTS

[0005] The utility model provides a dispensing system, through setting up transmission mechanism configuration has the bagging station, the top sealing station and the bagging station, and setting up the push -press mechanism in the bagging station, the top sealing station and the bagging station respectively, make the push -press mechanism at three stations only carry out one time feed push action in the working process, make the bag pressing module and / or the packaging bag holding mechanism open, solved the working stability of the push -press mechanism in the prior art dispensing system problem.

[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0007] The application discloses a dispensing system, which comprises a conveying mechanism, a bag holding mechanism mounted on the conveying mechanism, a bag pressing module arranged on the bag holding mechanism and used for limiting the bag, and the conveying mechanism is provided with a bag granting station, a top sealing station and a bag dropping station; a pushing mechanism is arranged at the bag granting station, the top sealing station and the bag dropping station, and the pushing mechanisms arranged at the bag granting station, the top sealing station and the bag dropping station are respectively used for opening the bag pressing module, opening the bag holding mechanism and simultaneously opening the bag pressing module and the bag holding mechanism.

[0008] Further, the pushing mechanism comprises a driving structure arranged at the side of the conveying mechanism, and a driving end of the driving structure is retractable in the direction towards the conveying mechanism; the pushing mechanism comprises a first pushing piece, a second pushing piece and a third pushing piece, and the first pushing piece, the second pushing piece and the third pushing piece are respectively mounted on the driving end of the driving structure at the bag granting station, the top sealing station and the bag dropping station.

[0009] Further, the bag holding mechanism comprises a fixed main body mounted on the conveying mechanism, and the bag pressing module comprises a bag pressing block arranged on the fixed main body; a movable main body is movably mounted on the fixed main body at the side close to the conveying mechanism, and a guide rod is connected to the movable main body; the first pushing piece comprises a second pushing part corresponding to the bag pressing block, the second pushing piece comprises a first pushing part corresponding to the guide rod, and the third pushing piece comprises a second pushing part corresponding to the bag pressing block and a first pushing part corresponding to the guide rod.

[0010] Further, the fixed main body and the movable main body are spliced to form two spaces for accommodating the bag, the bag pressing module comprises two groups of bag pressing blocks corresponding to the two spaces for accommodating the bag, and the two groups of bag pressing blocks are arranged in sequence in the conveying direction of the conveying mechanism; one second pushing part is arranged on the first pushing piece; or two second pushing parts for pushing the two groups of bag pressing blocks are arranged on the first pushing piece, one second pushing part of the first pushing piece pushes one group of bag pressing blocks to rotate, and the other second pushing part is dislocated from the other group of bag pressing blocks; two second pushing parts corresponding to the two groups of bag pressing blocks in the conveying direction of the conveying mechanism are arranged on the third pushing piece.

[0011] Further, two film guide grooves are arranged on the fixed main body and are respectively communicated with the two spaces for accommodating the bag, and the film guide grooves are used for accommodating the side sealing edges of the bag; the opposite groove walls of the two film guide grooves are provided with avoiding openings, the two groups of bag pressing blocks are arranged between the two film guide grooves and correspond to the avoiding openings on the two film guide grooves respectively; at least a groove type positioning part is arranged on the first pushing piece, and the groove opening of the groove type positioning part is sleeved and positioned with the outer side wall of the film guide groove.

[0012] Further, the second mounting groove is arranged between the two film guide grooves, the second mounting groove is communicated with the two film guide grooves through two avoiding openings, and the two groups of bag pressing blocks are respectively arranged at the two avoiding openings through rotating shafts.

[0013] Further, the bag pressing block comprises a pressing part extending towards the side close to the film guide groove and an abutting part extending towards the side away from the film guide groove; one of the second pushing parts of the first pushing piece corresponds to the abutting part of one group of bag pressing blocks, and the other second pushing part of the first pushing piece corresponds to the avoiding groove; the two second pushing parts of the third pushing piece correspond to the abutting parts of the two groups of bag pressing blocks one by one.

[0014] Further, the driving structure comprises: a pushing seat, the pushing mechanism further comprises a mounting seat, a guide assembly is arranged between the pushing seat and the mounting seat, the pushing seat is mounted on the mounting seat through the guide assembly, and the pushing piece is mounted on the pushing seat; a power source is mounted on the supporting seat, the power source comprises a driving motor, the driving motor is in transmission connection with the pushing piece and / or the pushing seat through a crank connecting rod structure, or the power source comprises a linear driving device, a movable end of the linear driving device is in transmission connection with the pushing piece and / or the pushing seat; and a detector is in communication connection with the power source and is used for detecting the position of the pushing seat.

[0015] In the above scheme, the linear driving device can be a hydraulic cylinder, an air cylinder or a linear rudder.

[0016] Further, the detector comprises a first grating sensor and a second grating sensor mounted on the mounting seat, and a baffle mounted on the pushing seat, the baffle is matched with the first grating sensor and the second grating sensor; the first grating sensor and the second grating sensor are arranged in a spaced mode in the direction away from the transmission mechanism and are respectively in communication connection with the power source.

[0017] Further, the utility model further comprises a rack, the transmission mechanism and the mounting seat are all mounted on the rack; the mounting seat is provided with a first adjusting hole extending in the direction away from the transmission mechanism, and the mounting seat is mounted on the rack through a first adjusting bolt penetrating through the first adjusting hole and connected with the rack; and / or the mounting seat is provided with a second adjusting hole extending in the direction away from the transmission mechanism, and the first grating sensor and the second grating sensor are respectively mounted at the second adjusting hole through a second adjusting bolt.

[0018] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art.

[0019] The utility model sets the bag-giving station, the top-sealing station and the bag-dropping station separately, and respectively sets pushing mechanisms at the bag-giving station, the top-sealing station and the bag-dropping station, so that the pushing mechanisms at the three stations only perform one feeding pushing action during the working process, so that the bag pressing module and / or the packaging bag holding mechanism are opened, which can improve the working reliability of the pushing mechanism and the working stability of the adjusting system. At the same time, it is conducive to simplifying the structure of the pushing mechanism and facilitating the operator to inspect and maintain the pushing mechanism.

[0020] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. In the drawings:

[0022] Figure 1 This is a structural diagram of the packaging bag holding mechanism in an embodiment of the present utility model;

[0023] Figure 2 This is a top view of the packaging bag holding mechanism in an embodiment of the present utility model;

[0024] Figure 3 For the embodiment of the utility model Figure 2 Cross-sectional view at AA in the middle;

[0025] Figure 4 For the embodiment of the utility model Figure 2 Cross-sectional view at the middle BB;

[0026] Figure 5 This is a cross-sectional view of the middle portion of the packaging bag holding mechanism when the packaging bag holding mechanism is opened in an embodiment of the present invention;

[0027] Figure 6 This is a cross-sectional view of the packaging bag holding mechanism at the space for accommodating the packaging bag when the packaging bag holding mechanism is opened in an embodiment of the present invention;

[0028] Figure 7 This is a structural diagram of the fixed body in an embodiment of the utility model;

[0029] Figure 8 This is a structural diagram of the active body in the embodiment of the present utility model;

[0030] Figure 9A structure schematic view of the fixed main body far from the movable main body side in the embodiment of the present utility model;

[0031] Figure 10 A structure schematic view of the bag pressing module in the embodiment of the present utility model;

[0032] Figure 11 A structure schematic view of the pushing mechanism at the bag giving station in the embodiment of the present utility model;

[0033] Figure 12 A structure schematic view of the first pushing member in the embodiment of the present utility model;

[0034] Figure 13 A structure schematic view of the pushing mechanism at the top sealing station in the embodiment of the present utility model;

[0035] Figure 14 A structure schematic view of the second pushing member in the embodiment of the present utility model;

[0036] Figure 15 A structure schematic view of the pushing mechanism at the bag falling station in the embodiment of the present utility model;

[0037] Figure 16 A structure schematic view of the third pushing member in the embodiment of the present utility model;

[0038] Figure 17 A schematic view of the first pushing member cooperating with the packaging bag holding mechanism in the embodiment of the present utility model.

[0039] Explanation of main elements in the figure:

[0040] 1, packaging bag holding mechanism;10, space for accommodating packaging bags;11, fixed body;111, first curved groove;112, film guide groove;113, mounting rod;114, first assembly;115, first mounting groove;116, second mounting groove;117, avoidance groove;118, guide hole;12, movable body;121, second curved groove;122, slot;123, guide rod;1231, limiting piece;124, compression spring;13, connecting plate;131, positioning convex;14, bag pressing module;141, base;1411, ear plate;142, bag pressing block;1421, extrusion part;1422, abutting part;2, second assembly;3, packaging bag;31, side sealing edge;41, driving structure;411, push seat;412, driving motor;413, detector;414, crank connecting rod structure;4141, crank;4142, connecting rod;415, guide assembly;4151, guide seat;4152, guide column;421, first pusher;422, second pusher;423, third pusher;42-1, first pusher part;42-2, second pusher part;42-3, slot type positioning part;42-4, connecting part;43, mounting seat;431, first support plate;432, second support plate;433, sensor base.

[0041] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0043] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0044] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium.

[0045] The dispensing system comprises a bag making mechanism, a packaging bag conveying device, a granular preparation dispensing device, a top sealing device, and a pushing mechanism arranged on one side of the packaging bag conveying device.

[0046] The conveying mechanism is preferably in a ring shape and conveys the packaging bag holding mechanism 1 along the ring. The bag making mechanism is arranged below the conveying mechanism and can make the packaging bag 3 and convey the made packaging bag 3 into the packaging bag holding mechanism 1, and then the conveying mechanism conveys the packaging bag 3 to move below the granular preparation dispensing device, and the granular preparation in the granular preparation dispensing device falls into the packaging bag 3 in a certain amount. The conveying mechanism continues to convey the packaging bag 3 to the top sealing device, and the top sealing device seals the packaging bag 3, and then the packaging bag falls.

[0047] In the embodiment, the packaging bag holding mechanism 1 comprises a fixed body 11 and a movable body 12, the fixed body 11 is fixedly connected with the conveying mechanism, the movable body 12 is movably installed on the fixed body 11, and the fixed body 11 and the movable body 12 are spliced to form at least one space 10 for accommodating the packaging bag, and the space 10 for accommodating the packaging bag penetrates the packaging bag holding mechanism in the vertical direction. When the packaging bag 3 is introduced into the space 10 for accommodating the packaging bag, the packaging bag holding mechanism 1 can extrude two side edges of the packaging bag 3 to open the opening at the top of the packaging bag 3. The space 10 for accommodating the packaging bag can stably hold the packaging bag 3 in an open state.

[0048] Specifically, the fixed body 11 is provided with at least one first curved groove 111, the movable body 12 is provided with at least one second curved groove 121, the first curved groove 111 and the second curved groove 121 are oppositely arranged, and the first curved groove 111 and the second curved groove 121 are spliced to form the space 10 for accommodating the packaging bag.

[0049] In some specific embodiments, the fixed body 11 is provided with a mounting rod 113 penetrating through the movable body 12, and the mounting rod 113 is provided with a first assembly part 114 at an end away from the fixed body 11, and the first assembly part 114 is arranged in space with the side of the movable body 12 away from the fixed body 11. The transmission mechanism is provided with a second assembly part 2, and the first assembly part 114 and the second assembly part 2 are in sleeve joint.

[0050] The fixed body 11 is provided with a bag pressing module 14 for extruding a part of the packaging bag 3 to fix the packaging bag 3 in the space 10 for accommodating the packaging bag.

[0051] In the sealing process, in order to ensure the flatness of the packaging bag 3, the packaging bag holding mechanism 1 needs to be opened first, at this time, the packaging bag 3 is fixed on the fixed body 11 of the packaging bag holding mechanism 1 through the bag pressing module 14 on the packaging bag holding mechanism 1, and then the packaging bag 3 is sealed by the top sealing device.

[0052] However, in the existing dispensing system, the sealing and bag dropping are usually arranged at the same station, and in the sealing and bag dropping process, the packaging bag holding mechanism 1 is first opened by the pushing mechanism, the packaging bag 3 is sealed by the top sealing device, and then the pushing mechanism is driven again to open the bag pressing module 14, at this time, the packaging bag 3 containing the granular preparation is separated from the packaging bag holding mechanism 1.

[0053] In this scheme, it is easy to appear that the pushing mechanism cannot smoothly open the bag pressing module 14 after sealing. For example, in the process of opening the packaging bag holding mechanism 1 by the pushing mechanism, if the packaging bag holding mechanism 1 is deflected, the sensitivity of opening the bag pressing module 14 will be affected, and even the bag pressing module 14 cannot be opened. Moreover, the structure for opening the packaging bag holding mechanism 1 and the bag pressing module 14 is concentrated together, which also increases the complexity of the pushing mechanism, and it is difficult for the operator to overhaul and maintain the pushing mechanism.

[0054] In this embodiment, "opening the packaging bag holding mechanism 1" specifically means pushing the movable body 12 of the packaging bag holding mechanism 1 to make the movable body 12 rotate or translate away from the fixed body 11. "Opening the bag pressing module 14" specifically means releasing the extrusion of the bag pressing module 14 on the packaging bag 3, so that the packaging bag 3 can enter the space 10 for accommodating the packaging bag, or the packaging bag 3 can be separated from the space 10 for accommodating the packaging bag.

[0055] As Figures 1 to 17As shown, in the utility model embodiment, introduce a kind of dispensing system, including transmission mechanism and push mechanism, transmission mechanism is equipped with packaging bag holding mechanism 1, packaging bag holding mechanism 1 is equipped with the bag pressing module 14 for being used to limit packaging bag 3.Press bag module 14 is opened, packaging bag holding mechanism 1 is opened and press bag module 14 and packaging bag holding mechanism 1 are opened simultaneously.

[0056] By being separately provided with bag-granting station, top-sealing station and bag-dropping station, and being respectively provided with push mechanism at bag-granting station, top-sealing station and bag-dropping station, push mechanism at three stations only carries out feeding and pushing action once in working process, so as to open press bag module 14 and / or packaging bag holding mechanism 1, which can improve working reliability of push mechanism and working stability of dispensing system, and is beneficial to simplifying structure of push mechanism and facilitating maintenance and repair of push mechanism by operating personnel.

[0057] In the embodiment, the "press bag module 14 and packaging bag holding mechanism 1 are opened simultaneously" is specifically that push mechanism can keep press bag module 14 and packaging bag holding mechanism 1 in opened state simultaneously, that is, push mechanism can push press bag module 14 first or movable main body 12 of packaging bag holding mechanism 1 first or movable main body 12 of press bag module 14 and packaging bag holding mechanism 1 simultaneously in feeding and pushing process, as long as press bag module 14 and packaging bag holding mechanism 1 are kept in opened state simultaneously when push mechanism stops feeding.

[0058] In the embodiment, the push mechanism includes driving structure 41 and pusher, driving structure 41 is arranged at the side of transmission mechanism, driving end of driving structure 41 is telescopic along the direction towards transmission mechanism, pusher is installed at driving end of driving structure 41, for pushing movable main body 12 to open packaging bag holding mechanism 1 and / or for pushing press bag module 14 to open.

[0059] As Figures 11 to 16As shown, the pushing member includes a first pushing member 421, a second pushing member 422, and a third pushing member 423. The first pushing member 421, the second pushing member 422, and the third pushing member 423 are respectively installed at the driving end of the driving structure 41 at the bag dispensing station, the top sealing station, and the bag dropping station. The first pushing member 421 includes a second pushing portion 42-2 for pushing the bag pressing module 14, the second pushing member 422 includes a first pushing portion 42-1 for pushing the movable body 12, and the third pushing member 423 includes a first pushing portion 42-1 for pushing the movable body 12 and a second pushing portion 42-2 for pushing the bag pressing module 14.

[0060] like Figures 1 to 10 As shown, in some specific embodiments, the movable body 12 is movably mounted on a side of the fixed body 11 close to the transmission mechanism. A guide rod 123 is connected to the movable body 12, and the first pushing portion 42-1 corresponds to the guide rod 123. The bag pressing module 14 includes a bag pressing block 142 disposed on the fixed body 11. The bag pressing block 142 is used to press the packaging bag 3, and the second pushing portion 42-2 corresponds to the bag pressing block 142.

[0061] In some specific embodiments, the bottom of the movable body 12 is rotationally engaged with the bottom of the fixed body 11, or the movable body 12 is slidable relative to the fixed body 11. The guide rod 123 is disposed in the middle or top portion of the movable body 12 and extends through the fixed body 11. A compression spring 124 is disposed at the end of the guide rod 123 away from the movable body 12. The compression spring 124 is configured to drive the movable body 12 toward the side closer to the fixed body 11. The first pushing portion 42-1 is disposed opposite the end of the guide rod 123 away from the movable body 12.

[0062] The fixed body 11 is provided with a film guide groove 112 that communicates with the space 10 for accommodating the packaging bag. The film guide groove 112 is used to accommodate the side seal 31 of the packaging bag 3. The bag pressing block 142 is installed on the side of the fixed body 11 away from the movable body 12. The installation position of the bag pressing block 142 is provided with an escape port that communicates with the film guide groove 112. The escape port is provided on the groove wall on one side of the film guide groove 112.

[0063] In some preferred embodiments, a narrow groove 122 is further provided in the middle of the second curved groove 121 , and the narrow groove 122 is used to accommodate the edge of the packaging bag 3 opposite to the side sealing edge 31 .

[0064] The pressing bag block 142 is rotatably installed on the fixed body 11 and includes a pressing portion 1421 and an abutting portion 1422. An elastic member is arranged between the pressing bag block 142 and the fixed body 11, and is used to forcibly push the pressing bag block 142 to rotate towards the direction close to the film guide groove 112, so that the pressing portion 1421 presses the side sealing edge 31 of the packaging bag 3 against the groove wall on the side of the film guide groove 112 away from the pressing bag block 142. The second pushing portion 42-2 corresponds to the abutting portion 1422 of the pressing bag block 142, and is used to push the abutting portion 1422 to rotate the pressing bag block 142 away from the film guide groove 112.

[0065] In the embodiment, the "rotating the pressing bag block 142 away from the film guide groove 112" specifically refers to rotating the pressing portion 1421 away from the film guide groove 112, so that the pressing portion 1421 releases the pressing on the side sealing edge 31 of the packaging bag 3.

[0066] Alternatively, the pressing bag block 142 is slidably installed on the side of the fixed body 11 away from the movable body 12. An elastic member is arranged between the pressing bag block 142 and the fixed body 11, and is used to forcibly push the pressing bag block 142 to translate and slide into the film guide groove 112, so that the side sealing edge 31 of the packaging bag 3 is pressed against the groove wall on the side of the film guide groove 112 away from the pressing bag block 142. The second pushing portion 42-2 corresponds to the pressing bag block 142, and is used to push the pressing bag block 142 to translate and slide away from the film guide groove 112. Specifically, the second pushing portion 42-2 pushes the pressing bag block 142 by a slope extending in the direction away from the fixed body 11 and inclined away from the film guide groove 112. The slope is arranged at the end of the second pushing portion 42-2 and / or at the middle of the pressing bag block 142.

[0067] In some preferred embodiments, the side of the fixed body 11 away from the movable body 12 is provided with a first mounting groove 115. One end of the guide rod 123 is fixedly connected with the movable body 12, and the other end extends through the fixed body 11 to the first mounting groove 115. The end of the guide rod 123 away from the movable body 12 is provided with a limiting sheet 1231. The compression spring 124 is sleeved on the guide rod 123, and the two ends of the compression spring 124 respectively abut against the limiting sheet 1231 and the groove bottom of the first mounting groove 115. The limiting sheet 1231 is hidden in the first mounting groove 115, which can improve the integrity of the appearance of the packaging bag holding mechanism 1, and at the same time, can avoid accidental touch.

[0068] Preferably, the movable body 12 is rotatably connected with the fixed body 11, and the rotation axis of the movable body 12 is arranged close to the bottom of the fixed body 11 and the movable body 12. The guide rod 123 is arranged in a circular arc shape, and the fixed body 11 is provided with a guide hole 118 matched with the guide rod 123. The center of the guide rod 123 is coaxial with the rotation axis of the movable body 12.

[0069] Preferably, the rotation axis of the movable body 12 is arranged on the fixed body 11 and spaced apart from the movable body 12, which can help to reduce the curvature of the guide rod 123 and further improve the smoothness of the rotation of the movable body 12.

[0070] In some specific embodiments, a connecting structure is arranged between the fixed body 11 and the movable body 12, and the connecting structure includes two connecting plates 13. The first ends of the two connecting plates 13 are fixedly connected to the left and right side walls of the movable body 12 through connecting pieces and positioning protrusions 131, respectively, and the first ends of the connecting plates 13 are arranged near the bottom centers of the left and right side walls of the movable body 12. The second ends of the two connecting plates 13 are mounted on the left and right side walls of the fixed body 11 through flange bearings, respectively, and the second ends of the connecting plates 13 are arranged near the bottom centers of the left and right side walls of the fixed body 11.

[0071] In some preferred embodiments, the side of the fixed body 11 away from the movable body 12 is provided with a second mounting groove 116, and the second mounting groove 116 is arranged on one side of the film guide groove 112 and communicates with the film guide groove 112 through an avoiding opening. The bag pressing module 14 is arranged as a separate module and includes a base 141, a bag pressing block 142, and a torsional spring. The base 141 is mounted on the groove bottom of the second mounting groove 116 through screws, and the base 141 is provided with an axle seat extending away from the movable body 12. The axle seat includes two oppositely arranged ear plates 1411, and a rotating shaft is arranged between the two ear plates 1411. The two ends of the rotating shaft are fixedly connected to the two ear plates 1411, respectively. The bag pressing block 142 is arranged between the two ear plates 1411 and is sleeved on the rotating shaft. The two ends of the bag pressing block 142 are attached to the two ear plates 1411, respectively. The torsional spring is sleeved on the rotating shaft, one end of the torsional spring abuts against the bag pressing block 142, and the other end of the torsional spring abuts against the base 141. The pressing part 1421 of the bag pressing block 142 extends toward the side close to the film guide groove 112, and the abutting part 1422 of the bag pressing block 142 extends away from the film guide groove 112.

[0072] In this embodiment, the bag pressing block 142 is hidden in the second mounting groove 116, which can ensure the integrity of the appearance of the packaging bag holding mechanism 1 and avoid accidental touch.

[0073] Preferably, in this embodiment, the fixed body 11 and the movable body 12 are spliced to form two spaces 10 for accommodating packaging bags, and the fixed body 11 is provided with two film guide grooves 112 corresponding to the two spaces 10 for accommodating packaging bags, respectively. The bag pressing module 14 includes two groups of bag pressing blocks 142 corresponding to the two spaces 10 for accommodating packaging bags, respectively. The two groups of bag pressing blocks 142 are arranged in sequence along the transmission direction of the transmission mechanism and correspond to the two film guide grooves 112, respectively.

[0074] Specifically, the set of pressing bag blocks 142 can include only one pressing bag block 142, or can include multiple pressing bag blocks 142 arranged at intervals along the length direction of the film guide groove 112. The set of pressing bag blocks 142 is pushed by the second pushing part 42-2.

[0075] In this embodiment, one pressing bag block 142 can be provided with one extrusion part 1421, or can be provided with multiple extrusion parts 1421 arranged at intervals along the length direction of the film guide groove 112. When multiple extrusion parts 1421 are provided on one pressing bag block 142, the multiple extrusion parts 1421 simultaneously extrude the side sealing edge 31 of the packaging bag 3.

[0076] In this embodiment, the pushing mechanism at the bag dispensing station is used to sequentially open two sets of pressing bag blocks 142 corresponding to the two film guide grooves 112, respectively. Specifically, along the transmission direction of the transmission mechanism, the two sets of pressing bag blocks 142 are sequentially moved to correspond to the first pushing part 421 of the pushing mechanism at the bag dispensing station, and the two sets of pressing bag blocks 142 are sequentially opened, and the two packaging bags 3 made by the bag making mechanism are introduced into the two spaces 10 for accommodating the packaging bags, respectively.

[0077] In some specific embodiments, the first pushing part 421 is provided with a second pushing part 42-2.

[0078] In other specific embodiments, the first pushing part 421 is provided with two second pushing parts 42-2 for pushing the two sets of pressing bag blocks 142, respectively, and the two second pushing parts 42-2 for pushing the two sets of pressing bag blocks 142, respectively, are arranged at intervals in the reverse direction of the transmission direction of the transmission mechanism.

[0079] Specifically, in the process of the driving structure 41 of the pushing mechanism at the bag dispensing station feeding the first pushing part 421 to push the pressing bag module 14 on the packaging bag holding mechanism 1, one second pushing part 42-2 on the first pushing part 421 pushes a set of pressing bag blocks 142 to rotate, and the other second pushing part 42-2 on the first pushing part 421 is misaligned with the other set of pressing bag blocks 142.

[0080] Preferably, at least the first pushing part 421 is provided with a groove-shaped positioning part 42-3, and the groove of the groove-shaped positioning part 42-3 is sleeved and positioned with the outer side wall of the film guide groove 112.

[0081] In some specific embodiments, the two sets of pressing bag blocks 142 are arranged between the two film guide grooves 112, specifically, the second mounting groove 116 is arranged between the two film guide grooves 112, the opposite groove walls of the two film guide grooves 112 are provided with avoiding openings, the second mounting groove 116 communicates with the two film guide grooves 112 through the two avoiding openings, and the two sets of pressing bag blocks 142 are respectively installed at the two avoiding openings through the shafts.

[0082] In the embodiment, the set of pressing bag blocks 142 includes one pressing bag block 142, a base 141 is arranged on the bottom of the second mounting groove 116, and two shaft seats are arranged at two ends of the base 141 respectively, and the two pressing bag blocks 142 corresponding to the two film guide grooves 112 are arranged on the two shaft seats respectively.

[0083] As shown in Figure 11 , Figure 12 and Figure 17 , in the embodiment, the groove-shaped positioning portion 42-3 of the first pushing member 421 is arranged between the two second pushing portions 42-2 of the first pushing member 421. The fixed main body 11 is further provided with an avoiding groove 117, which is arranged on the side of the film guide groove 112 away from the second mounting groove 116, and the groove-shaped positioning portion 42-3 of the first pushing member 421 is sleeved on the outer side wall of the film guide groove 112 between the avoiding groove 117 and the second mounting groove 116.

[0084] The first pushing member 421 is provided with two second pushing portions 42-2 for pushing the two sets of pressing bag blocks 142 respectively, one second pushing portion 42-2 of the first pushing member 421 corresponds to the abutting portion 1422 of one set of pressing bag blocks 142, and the other second pushing portion 42-2 of the first pushing member 421 corresponds to the avoiding groove 117.

[0085] Specifically, as shown in Figure 17 , the groove-shaped positioning portion 42-3 of the first pushing member 421 extends from between the two second pushing portions 42-2 to the direction close to the transmission mechanism.

[0086] When the left pressing bag block 142 needs to be pushed, the groove-shaped positioning portion 42-3 is sleeved on the outer side wall of the left film guide groove 112, and the right second pushing portion 42-2 pushes the left pressing bag block 142 to rotate in the direction away from the left film guide groove 112. When the right pressing bag block 142 needs to be pushed, the groove-shaped positioning portion 42-3 is sleeved on the outer side wall of the right film guide groove 112, and the left second pushing portion 42-2 pushes the right pressing bag block 142 to rotate in the direction away from the right film guide groove 112.

[0087] As shown in Figure 13 , Figure 14As shown, in the embodiment, the second pushing member 422 of the pushing mechanism at the top sealing station only has one first pushing part 42-1, which is used to push the guide rod 123 away from one end of the movable main body 12, so that the movable main body 12 rotates away from the fixed main body 11, and the packaging bag holding mechanism 1 is opened. Thus, the top of the packaging bag 3 extends to a flat state, facilitating the sealing of the top sealing device.

[0088] As shown in the drawings, Figure 15 , Figure 16 As shown, in the embodiment, the third pushing member 423 is provided with two second pushing parts 42-2 corresponding to the two groups of bag pressing blocks 142 in the transmission direction of the transmission mechanism, and one first pushing part 42-1 corresponding to the end of the guide rod 123 away from the movable main body 12. Specifically, the two second pushing parts of the third pushing member 423 correspond to the abutting parts 1422 of the two groups of bag pressing blocks 142 one by one.

[0089] In the embodiment, the first mounting groove 115 is arranged above the second mounting groove 116 and close to the second mounting groove 116.

[0090] In the embodiment, the pushing member is detachably mounted on the driving end of the driving structure 41, and the pushing mechanisms at the bag receiving station, the top sealing station and the bag dropping station can share one driving structure 41.

[0091] The driving structure 41 includes a pushing seat 411, a power source and a detector 413, and the pushing mechanism further includes a mounting seat 43. The pushing seat 411 is mounted on the mounting seat 43 through a guide assembly 415 arranged between the pushing seat 411 and the mounting seat 43, and the pushing member is mounted on the pushing seat 411. The power source is mounted on the mounting seat 43 and is in transmission connection with the pushing member and / or the pushing seat 411. The detector 413 is in communication connection with the power source and is used to detect the position of the pushing seat 411.

[0092] In some possible embodiments, the power source includes a driving motor mounted on the mounting seat 43 and in transmission connection with the pushing member and / or the pushing seat 411 through a crank connecting rod structure 414.

[0093] In another possible embodiment, the power source includes a linear driving device mounted on the mounting seat 43, and the movable end of the linear driving device is in transmission connection with the pushing member and / or the pushing seat 411. In the above scheme, the linear driving device can be a hydraulic cylinder, a pneumatic cylinder or a linear rudder.

[0094] In some specific embodiments, the mounting base 43 comprises a first support plate 431 and a second support plate 432, the first support plate 431 extends in the horizontal direction, the guide assembly 415 comprises a guide seat 4151 and a guide column 4152 arranged on the first support plate 431, the guide seat 4151 is provided with a guide hole 118, and the guide column 4152 is inserted into the guide hole 118 and slidably connected with the guide seat 4151.

[0095] The guide seat 4151 is provided with two guide columns 4152 which are arranged at intervals and slidably connected with the guide seat 4151 respectively. The push seat 411 is mounted on one end of the two guide rods 123 close to the conveying mechanism.

[0096] The second support plate 432 is fixedly connected with the first support plate 431, the second support plate 432 is L-shaped and comprises a first part perpendicular to the first support plate 431 and a second part parallel to the first support plate 431, and one end of the first part away from the second part is fixedly connected with the first support plate 431 by a screw.

[0097] The guide assembly 415 and the crank link structure 414 are mounted on one side of the first support plate 431 away from the second support plate 432, and the driving motor is mounted on one side of the first support plate 431 close to the second support plate 432, specifically, the driving motor is arranged between the first support plate 431 and the second part of the second support plate 432. The working end of the driving motor penetrates through the first support plate 431 and is connected with the crank 4141 of the crank link structure 414.

[0098] The crank link structure 414 comprises a crank 4141 and a connecting rod 4142, one end of the crank 4141 is fixedly connected with the working end of the driving motor, the other end of the crank 4141 is rotatably connected with one end of the connecting rod 4142, and the other end of the connecting rod 4142 is rotatably connected with the push member or the push seat 411.

[0099] Specifically, in the embodiment, the push member is fixedly connected with the push seat 411 by a screw, the first push part 42-1 and / or the second push part 42-2 of the push member are arranged towards the conveying mechanism, one end of the push member away from the conveying mechanism is provided with a connecting part 42-4, the connecting part 42-4 extends away from the conveying mechanism, and the end of the connecting rod 4142 is connected with the connecting part 42-4 and rotatably connected with the connecting part 42-4.

[0100] In some specific embodiments, the crank 4141 and one end of the connecting rod 4142 are rotatably connected by a bearing, a spring washer and a jam nut, and the other end of the connecting rod 4142 and the connecting part 42-4 are rotatably connected by a bearing, a spring washer and a jam nut.

[0101] In some specific embodiments, the detector 413 comprises a first grating sensor and a second grating sensor mounted on the mounting seat 43, and a baffle mounted on the push seat 411 and cooperating with the first grating sensor and the second grating sensor; the first grating sensor and the second grating sensor are arranged in sequence in a direction away from the conveying mechanism and are respectively in communication connection with the power source. Specifically, the first grating sensor, the second grating sensor and the power source are respectively in communication connection with the control computer board of the dispensing system.

[0102] Specifically, the first grating sensor and the second grating sensor are arranged in sequence in a direction away from the conveying mechanism, and the baffle is arranged between the first grating sensor and the second grating sensor; during the process that the driving structure 41 drives the pusher to move in a direction close to the conveying mechanism, the driving motor stops running when the first grating sensor detects the baffle; during the process that the driving structure 41 drives the pusher to move in a direction away from the conveying mechanism, the driving motor stops running when the second grating sensor detects the baffle.

[0103] Specifically, for the push mechanism at the bag granting station, the bag holding mechanism 1 is opened by the bag pressing module 14 when the first grating sensor detects the baffle, and the first pusher 421 is spaced apart from the bag holding mechanism 1 when the second grating sensor detects the baffle; for the push mechanism at the top sealing station, the bag holding mechanism 1 is opened when the first grating sensor detects the baffle, and the second pusher 422 is spaced apart from the bag holding mechanism 1 when the second grating sensor detects the baffle; for the push mechanism at the bag dropping station, the bag holding mechanism 1 is opened, and the bag pressing module 14 is opened at the same time when the first grating sensor detects the baffle, and the third pusher 423 is spaced apart from the bag holding mechanism 1 when the second grating sensor detects the baffle.

[0104] Preferably, in the embodiment, a sensor base 433 is arranged on the first part of the second support plate 432, the sensor base 433 is mounted on the side of the first part away from the driving motor, and the first grating sensor and the second grating sensor are mounted on the sensor base 433. The baffle is mounted on the end of the guide rod 123 away from the push seat 411, and the end of the baffle extends between the first grating sensor and the second grating sensor.

[0105] In some specific embodiments, the dispensing system further comprises a rack, and the conveying mechanism and the mounting seat 43 are mounted on the rack.

[0106] The distance between the push mechanism and the conveying mechanism is adjustable, and / or the feeding distance of the pusher of the push mechanism in a direction close to the conveying mechanism and the back-off distance of the pusher in a direction away from the conveying mechanism are adjustable.

[0107] Specifically, the mounting seat 43 is provided with a first adjusting hole extending away from the transmission mechanism, and the mounting seat 43 is mounted on the rack through a first adjusting bolt penetrating through the first adjusting hole and connected with the rack. And / or, the mounting seat 43 is provided with a second adjusting hole extending away from the transmission mechanism, and the first and second grating sensors are respectively mounted at the second adjusting hole through a second adjusting bolt.

[0108] In some specific embodiments, the first adjusting hole is arranged on the second part of the second supporting plate 432, and the first adjusting bolt is connected with the first nut by penetrating through the first adjusting hole and the rack. The second adjusting hole is arranged on the sensor base 433, and the second adjusting bolt is provided with a plurality of second adjusting bolts, a part of the second adjusting bolts are connected with the second nut by penetrating through the second adjusting hole and the first grating sensor, and another part of the second adjusting bolts are connected with the second nut by penetrating through the second adjusting hole and the second grating sensor.

[0109] In this embodiment, the working process of the dispensing system is as follows: first, the transmission mechanism transmits the packaging bag holding mechanism 1 to the bag dispensing station, the push-pushing mechanism at the bag dispensing station operates, the first push-pushing piece 421 feeds towards the transmission mechanism, pushes the bag pressing block 142 to open, and after the packaging bag 3 made by the bag making mechanism enters the packaging bag holding mechanism 1, the push-pushing mechanism at the bag dispensing station drives the first push-pushing piece 421 to retreat away from the transmission mechanism, and the packaging bag 3 is fixed in the packaging bag holding mechanism by the bag pressing block 142.

[0110] Then, the transmission mechanism transmits the packaging bag 3 to move below the granular preparation dispensing device, and the granular preparation in the granular preparation dispensing device is quantitatively dropped into the packaging bag 3, and after the dispensing is completed, the transmission mechanism transmits the packaging bag holding mechanism 1 to the top sealing station, at this time, the push-pushing mechanism at the top sealing station operates, the second push-pushing piece 422 feeds towards the transmission mechanism, pushes the guide rod 123 to open the packaging bag holding mechanism 1, and the top sealing device seals the top opening of the packaging bag 3, and after the sealing is completed, the push-pushing mechanism at the top sealing station drives the second push-pushing piece 422 to retreat away from the transmission mechanism.

[0111] Finally, the transmission mechanism transmits the packaging bag holding mechanism 1 to the bag dropping station, at this time, the push-pushing mechanism at the bag dropping station operates, the third push-pushing piece 423 feeds towards the transmission mechanism, pushes the guide rod 123 to open the packaging bag holding mechanism 1, and at the same time, pushes the bag pressing block 142 to open, and the packaging bag 3 falls into the medicine box, and the push-pushing mechanism at the bag dropping station drives the third push-pushing piece 423 to retreat away from the transmission mechanism.

[0112] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form, although the present application has been disclosed as above with preferred embodiments, however, it is not intended to limit the present application, any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution range of the present application, and equivalent embodiments with equivalent changes can be obtained, the implementation schemes in the above-mentioned embodiments can be further combined or replaced, as long as it does not deviate from the technical solution of the present application, any simple modification, equivalent change and modification made to the above-mentioned embodiments according to the technical essence of the present application still belongs to the scope of the present application.

Claims

1. A dispensing system, characterized in that: include: A transmission mechanism, wherein a packaging bag holding mechanism (1) is installed on the transmission mechanism, a bag pressing module (14) for limiting the position of the packaging bag (3) is provided on the packaging bag holding mechanism (1), and the transmission mechanism is equipped with a bag delivery station, a top sealing station, and a bag drop station; The pushing mechanism is respectively provided at the bag-giving station, the top-sealing station and the bag-dropping station. The pushing mechanisms provided at the bag-giving station, the top-sealing station and the bag-dropping station are respectively used to open the bag pressing module (14), open the packaging bag holding mechanism (1), and open the bag pressing module (14) and the packaging bag holding mechanism (1) simultaneously.

2. The dispensing system according to claim 1, characterized in that: The pushing mechanism includes: A driving structure (41) is arranged on the side of the transmission mechanism, and a driving end of the driving structure (41) is retractable in a direction toward the transmission mechanism; The pushing member includes a first pushing member (421), a second pushing member (422) and a third pushing member (423). The first pushing member (421), the second pushing member (422) and the third pushing member (423) are respectively installed on the driving end of the driving structure (41) at the bag-giving station, the top-sealing station and the bag-dropping station.

3. The dispensing system according to claim 2, characterized in that: The packaging bag holding mechanism (1) comprises: A fixed body (11) is mounted on the transmission mechanism, and a bag pressing module (14) includes a bag pressing block (142) arranged on the fixed body (11); A movable body (12) is movably mounted on a side of the fixed body (11) close to the transmission mechanism, and a guide rod (123) is connected to the movable body (12); The first pushing member (421) includes a second pushing portion (42-2) corresponding to the bag pressing block (142), the second pushing member (422) includes a first pushing portion (42-1) corresponding to the guide rod (123), and the third pushing member (423) includes a second pushing portion (42-2) corresponding to the bag pressing block (142) and a first pushing portion (42-1) corresponding to the guide rod (123).

4. The dispensing system according to claim 3, characterized in that: The fixed body (11) and the movable body (12) are spliced ​​to form two spaces (10) for accommodating packaging bags. The bag pressing module (14) includes two groups of bag pressing blocks (142) corresponding to the two spaces (10) for accommodating packaging bags. The two groups of bag pressing blocks (142) are arranged in sequence along the transmission direction of the transmission mechanism. A second pushing portion (42-2) is provided on the first pushing member (421); or, two second pushing portions (42-2) are provided on the first pushing member (421) for pushing two groups of bag pressing blocks (142) respectively, and when one second pushing portion (42-2) of the first pushing member (421) pushes one group of bag pressing blocks (142) to rotate, the other second pushing portion (42-2) is displaced from the other group of bag pressing blocks (142); The third pushing member (423) is provided with two second pushing portions (42-2) corresponding one-to-one to the two groups of bag pressing blocks (142) along the transmission direction of the transmission mechanism.

5. The dispensing system according to claim 4, characterized in that: The fixed body (11) is provided with two film guide grooves (112) respectively connected to the two spaces (10) for accommodating packaging bags, and the film guide grooves (112) are used to accommodate the side sealing edges (31) of the packaging bags (3); The two film guide grooves (112) are provided with avoidance openings on the opposite groove walls. The two sets of bag pressing blocks (142) are provided between the two film guide grooves (112) and correspond to the avoidance openings on the two film guide grooves (112). At least the first pushing member (421) is provided with a groove-shaped positioning portion (42-3), and the groove opening of the groove-shaped positioning portion (42-3) is sleeved and positioned with the outer side wall of the film guide groove (112).

6. The dispensing system according to claim 5, characterized in that: A second mounting groove (116) is provided on a side of the fixed body (11) away from the transmission mechanism. The second mounting groove (116) is provided between the two film guide grooves (112). The second mounting groove (116) is respectively connected to the two film guide grooves (112) through two avoidance openings. The two sets of bag pressing blocks (142) are respectively installed at the two avoidance openings through rotating shafts. The groove-shaped positioning portion (42-3) of the first pushing member (421) is arranged between the two second pushing portions (42-2) of the first pushing member (421); an avoidance groove (117) is also provided on the fixed body (11), and the avoidance groove (117) is arranged on a side of the film guide groove (112) away from the second installation groove (116); the groove-shaped positioning portion (42-3) of the first pushing member (421) is sleeved on the outer side wall of the film guide groove (112) between the avoidance groove (117) and the second installation groove (116).

7. The dispensing system according to claim 6, characterized in that: The bag pressing block (142) comprises a pressing portion (1421) extending toward a side close to the film guiding groove (112), and an abutting portion (1422) extending toward a side away from the film guiding groove (112); A second pushing portion (42-2) of the first pushing member (421) corresponds to a contact portion (1422) of a group of bag pressing blocks (142), and another second pushing portion (42-2) of the first pushing member (421) corresponds to an avoidance groove (117); The two second pushing portions of the third pushing member (423) correspond one to one with the abutting portions (1422) of the two groups of bag pressing blocks (142).

8. The dispensing system according to any one of claims 2 to 7, characterized in that: The driving structure (41) comprises: A pushing seat (411), the pushing mechanism further includes a mounting seat (43), a guide assembly (415) is provided between the pushing seat (411) and the mounting seat (43), the pushing seat (411) is mounted on the mounting seat (43) via the guide assembly (415), and the pushing member is mounted on the pushing seat (411); A power source is mounted on the support seat, the power source comprising a drive motor (412), the drive motor (412) being in transmission connection with the push piece and / or the push seat (411) via a crank-connecting rod structure (414), or the power source comprising a linear drive device, the movable end of the linear drive device being in transmission connection with the push piece and / or the push seat (411); The detector (413) is connected to the power source for detecting the position of the pushing seat (411).

9. The dispensing system according to claim 8, characterized in that: The detector (413) includes a first grating sensor and a second grating sensor mounted on the mounting seat (43), and a baffle mounted on the pushing seat (411), the baffle being matched with the first grating sensor and the second grating sensor; The first grating sensor and the second grating sensor are spaced apart in a direction away from the transmission mechanism and are respectively communicatively connected to the power source.

10. The dispensing system according to claim 9, characterized in that: It also includes a frame, on which the transmission mechanism and the mounting seat (43) are mounted; The mounting seat (43) is provided with a first adjustment hole extending in a direction away from the transmission mechanism, and the mounting seat (43) is mounted on the frame via a first adjustment bolt connected to the frame through the first adjustment hole; and / or, A second adjustment hole extending in a direction away from the transmission mechanism is provided on the mounting seat (43); the first grating sensor and the second grating sensor are respectively mounted on the second adjustment hole via second adjustment bolts.

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