A bag turning device for a medicine bag

Abstract

The utility model provides a kind of medicine bag's turning device, belong to medicine bag filling and conveying field, including mounting seat, fixed cylinder, sliding shaft, turning device. One end of fixed cylinder is connected with mounting seat, and the center of its end surface is processed with through-hole;One end of sliding shaft is installed in the through-hole of fixed cylinder, and can freely slide in the through-hole of fixed cylinder along axial direction;Turning device is connected with the other end of sliding shaft. Wherein, turning device at least includes one arc-shaped turning flange, when turning flange contacts with medicine bag after canning from conveying belt, it can overturn medicine bag. Turning device is fixedly connected with sliding shaft, and turning device will drive sliding shaft to slide in fixed cylinder, to adapt to different specifications of medicine bag and overturn medicine bag, so that liquid medicine content is evenly distributed.

Description

Technical Field

[0001] This utility model relates to the field of medicine bag filling and conveying, and in particular to a medicine bag turning device. Background Technology

[0002] In the filling process of suspensions and emulsions, the uniformity of the drug contents directly affects the accuracy and safety of clinical dosage. Turning the drug bag over after filling ensures even distribution of the contents. Pharmaceutical production lines often produce drug bags of various sizes, necessitating the turning over of these bags after filling. Utility Model Content

[0003] This invention addresses the problem of flipping medicine bags of different sizes after filling by providing a bag-flipping device, comprising a mounting base, a fixed cylinder, a sliding shaft, and a bag-flipping device. The fixed cylinder has a through hole machined at its center. One end of the fixed cylinder is connected to the mounting base. One end of the sliding shaft is installed in the through hole on the fixed cylinder and can slide freely in the axial direction. The other end of the sliding shaft is connected to the bag-flipping device, which includes at least one arc-shaped flipping flange that contacts the medicine bag and flips it. Thus, the bag-flipping device automatically adjusts to accommodate medicine bags of different sizes and flips the bags, resulting in a uniform distribution of the medicine contents.

[0004] The technical solution adopted in this utility model is:

[0005] A bag-turning device for a medicine bag, comprising:

[0006] Mounting base;

[0007] A fixed cylinder, one end of which is connected to the mounting base, has a through hole machined at the center of its end face;

[0008] A sliding shaft, one end of which is installed in the through hole, and can slide freely in the axial direction within the through hole;

[0009] A bag-turning device is connected to the other end of the sliding shaft;

[0010] The bag-turning device includes at least one arc-shaped bag-turning flange, which can turn the bag over when it comes into contact with the medicine bag from the conveyor belt.

[0011] Optionally, the through hole is square in shape, and the through hole forms a slide of the fixed cylinder.

[0012] Optionally, a fixed cylinder flange is formed in the axial direction of the fixed cylinder, and cylinders are formed on both sides of the fixed cylinder flange. Threads are machined on the surface of one of the cylinders. Two threaded holes are provided on the cylindrical end face of the other side of the fixed cylinder flange, and the threaded holes are symmetrically distributed.

[0013] Optionally, a clamping plate is fitted at the threaded hole. The clamping plate is semi-circular, with a positioning through hole machined at its center. A limit block is formed on the other side of the clamping plate, which is located in the same diameter direction as the positioning through hole.

[0014] Optionally, a sliding shaft flange is formed in the axial direction of the sliding shaft, a cylinder is formed on one side of the sliding shaft flange, and threads are machined on the surface of the cylinder. A square prism is formed on the other side of the sliding shaft flange, and the square prism forms the sliding rod of the sliding shaft.

[0015] Optionally, sliding grooves are provided on two mutually parallel planes of the sliding rod.

[0016] Optionally, the profile of the flap is composed of a parabola and a circular arc, wherein the circular arc is smoothly connected to the parabola at the vertex of the parabola.

[0017] Optionally, an elastic functional component is fitted onto the structure formed by the fixed cylinder and the sliding shaft.

[0018] Optionally, the elastic functional component is a spring.

[0019] The beneficial effects of this utility model are:

[0020] A through hole is machined at the center of the end face of the fixed cylinder. One end of the fixed cylinder is connected to the mounting base. One end of the sliding shaft is installed in the through hole on the fixed cylinder and can slide freely in the axial direction. The other end of the sliding shaft is connected to the bag flipper. The bag flipper includes at least one arc-shaped bag flipping flange that contacts the medicine bag and flips the medicine bag. Thus, the bag flipping device can automatically adjust to adapt to different sizes of medicine bags and flip the medicine bags so that the contents of the medicine liquid are evenly distributed. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram illustrating the working principle of the bag-turning device in this utility model.

[0023] Figure 2 This is a schematic diagram of the assembly structure of the fixed cylinder, sliding shaft, and clamping plate in this utility model.

[0024] Figure 3 This is a schematic diagram of the bag-turning device in this utility model.

[0025] The diagram is marked as follows:

[0026] 100: Bag turning device; 200: Conveyor belt; 300: Medicine bag;

[0027] 110: Mounting base; 111: Mounting base body; 112: First mounting hole; 113: Rib plate; 114: Second mounting hole;

[0028] 120: Fixed cylinder; 121: Slide rail; 122: Threaded hole; 123: Fixed cylinder flange;

[0029] 130: Sliding shaft; 131: Sliding shaft flange; 132: Sliding rod; 133: Sliding groove;

[0030] 140: Bag flipper; 141: Connecting plate; 142: Third mounting hole; 143: Bag flipping flange; 1431: Parabola; 1432: Arc;

[0031] 150: Card plate; 151: Limiting block; 152: Positioning through hole. Detailed Implementation

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this invention.

[0034] The embodiments of the utility model will now be described in detail with reference to the accompanying drawings.

[0035] This embodiment provides a bag-turning device for medicine bags, which includes a mounting base 110, a fixing cylinder 120, a sliding shaft 130, a bag-turning device 140, a clamping plate 150, and elastic functional components (such as springs). The various components of the bag-turning device 100 are described in detail below. Figure 1As shown, the mounting base 110 includes a mounting base body 111, a first mounting hole 112, a stiffening plate 113, and a second mounting hole 114. The mounting base body 111 is bent into an L-shaped plate. Two first mounting holes 112 and two second mounting holes 114 are machined on the mounting base body 111. Both the first mounting holes 112 and the second mounting holes 114 are circular through holes. The two first mounting holes 112 are symmetrically distributed about the symmetrical plane of the mounting base body 111. Similarly, the two second mounting holes 114 are also symmetrically distributed. The first mounting holes 112 and the second mounting holes 114 are respectively set on two mutually perpendicular planes of the mounting base body 110. A stiffening plate 113 is welded to one side of the bent side of the mounting base body 111. The first mounting hole 112 is used to install the bag-turning device 100, and the second mounting hole 114 is used to install the fixing cylinder 120.

[0036] The fixed cylinder 120 includes a slide rail 121, a threaded hole 122, and a fixed cylinder flange 123; for example Figure 2 As shown, the fixed cylinder 120 is cylindrical, with a square through hole formed at the center of its end face to form a slide 121. A fixed cylinder flange 123 is formed in the circumferential direction. Cylindrical cylinders of the same diameter are formed on both sides of the fixed cylinder flange 123. Threads are machined on the surface of the cylinder on one side of the fixed cylinder flange 123, while the cylinder on the other side of the fixed cylinder flange 123 is not threaded. Two threaded holes 122 are provided on the end face of the unthreaded cylinder, and the two threaded holes 122 are symmetrically distributed on both sides of the slide 121.

[0037] like Figure 2 As shown, a sliding shaft flange 131 is formed circumferentially on the sliding shaft 130. A cylinder is formed on one side of the sliding shaft flange 131, and threads are machined on the surface of the cylinder. A square sliding rod 132 is formed on the other side of the sliding shaft flange 131, which mates with the slide rail 121 of the fixed cylinder 120 and slides within the slide rail 121. Sliding grooves 133 are also provided on two mutually parallel planes of the sliding rod 132 for mounting the limiting block 151 of the clamping plate 150. Figure 2 It can be seen that the clamping plate 150 is roughly semi-circular, with a circular positioning through hole 152 at its center, which mates with the threaded hole 122 on the end face of the fixed cylinder 120. The clamping plate 150 is connected to the fixed cylinder 120 by bolts. A limit block 151 is formed on the other side plane located in the same diameter direction as the positioning through hole 152, which is used to limit the position of the sliding shaft 130 sliding axially.

[0038] Figure 3This is a schematic diagram of the bag-turning device. The bag-turning device 140 consists of a connecting plate 141, third mounting holes 142, and a bag-turning flange 143. The outline of the bag-turning flange 143 is composed of a parabola 1431 and a circular arc 1432. The circular arc 1432 smoothly connects to the parabola 1431 at the vertex. The other end of the circular arc 1432 and the other end of the parabola 1431 are respectively connected to the connecting plate 141. Then, the connecting plate 141 is bent and welded to form a structure that is connected end to end, hollow inside, and unclosed on the sides. Two third mounting holes 142 are provided on the connecting plate 141. The third mounting holes 142 are also circular through holes for mounting the threaded cylindrical end of the sliding shaft 130. The bag-turning flange 143 is located below the third mounting holes 142.

[0039] The following describes in detail the assembly sequence of the bag-turning device 100. First, the fixed cylinder 120 needs to be assembled onto the mounting base 110. The threaded ends of the two fixed cylinders 120 are inserted into the two second mounting holes 114 respectively. Then, on the side of the mounting base body 111 where the stiffening plate 113 is welded, a nut corresponding to the thread size of the fixed cylinder 120 is installed and tightened. When the end face of the fixed cylinder flange 123 facing the threaded side of the fixed cylinder 120 is in contact with the mounting base body 111 and the fixed cylinder 120 does not wobble, the nuts are no longer tightened.

[0040] Secondly, such as Figure 2 As shown, the sliding rods 132 of the two sliding shafts 130 are respectively inserted into the slide rails 121 of the two fixed cylinders 120. Before assembly, grease needs to be applied to the outer surface of the sliding rod 132, the inside of the sliding groove 133, and the inside of the slide rail 121. After applying the grease, the sliding rod 132 is driven to slide back and forth inside the slide rail 121 to ensure that the grease is evenly applied. Then, the limiting block 151 is installed into the sliding groove 133, and it is ensured that the positioning through hole 152 is aligned with the threaded hole on the cylindrical end face of the unthreaded side of the fixed cylinder 120. The bolt is passed through the positioning through hole 152 and screwed into the threaded hole 122 on the cylindrical end face, so that the clamping plate 150 is fixed on the end face of the fixed cylinder 120. Two springs are respectively fitted on the structure formed by the two sets of fixed cylinders 120 and sliding shafts 130. The inner diameter of the springs is larger than the diameter of the fixed cylinder flange 123 and the sliding shaft flange 131.

[0041] Finally, when installing the bag-turning device 140 onto the sliding shaft 130, it is necessary to ensure that the bag-turning flange 143 faces the conveyor belt 200. The threaded cylindrical ends of the two sliding shafts 130 pass through the two third mounting holes 142 on the bag-turning device 140, respectively. Therefore, on one side of the bag-turning flange 143, a nut corresponding to the thread of the cylindrical end of the sliding shaft 130 is installed. Since the sliding rod 132 of the sliding shaft 130 and the slide rail 121 of the fixed cylinder 120 have a square structure, the sliding shaft 130 is restricted from rotating around its own axis. When tightening the nut, the sliding shaft 130 can only move outward along its own axial direction towards the slide rail 121, while the sliding... The groove 133 also moves outward from the slide rail 121. When the end of the sliding groove 133 away from the sliding shaft flange 131 in the axial direction contacts the limiting block 151, it will restrict the sliding rod 132 from continuing to move, thereby restricting the sliding shaft 130 from continuing to move outward from the slide rail 121. At this time, the nut that matches the thread machined on the cylindrical end of the sliding shaft 130 will press the bag turner 140 towards the mounting base 110 until the surface of the bag turner 140 away from the conveyor belt 200 is in contact with the end face of the sliding shaft flange 131 facing the threaded side of the sliding shaft 130, and the spring has a certain amount of compression, then the nut will no longer be tightened.

[0042] When using the bag-turning device 100, the bolt is passed through the first mounting hole 112 and connected to the corresponding threaded hole to fix the bag-turning device 100 to one end of the product output of the conveyor belt 200. The bag-turning flange 143 of the bag-turner 140 faces the conveyor belt 200 and needs to be lower than the upper surface of the conveyor belt 200. The bag-turning flange 143 and the end of the medicine bag 300 output by the conveyor belt 200 should maintain a certain distance.

[0043] After the medicine bag 300 is filled with liquid medicine by the filling machine, it falls into the conveyor belt and moves with the conveyor belt 200 to the output end to enter the next process. When the medicine bag 300 reaches the output end, it will have a certain speed. After the medicine bag 300 leaves the output belt 200, it will maintain its speed during the fall due to inertia. As a result, the falling medicine bag 300 will hit the flipping flange 143, causing the flipping device 140 to move towards the mounting base 110. The flipping device 140 is fixedly connected to the sliding shaft 130, so it will drive the sliding shaft 130 to move towards the mounting base 110 together. The sliding rod 132 of the sliding shaft 130 slides in the slide rail 121 of the fixed cylinder 120, thereby realizing the automatic adjustment function of the flipping device 100 to adapt to medicine bags of different specifications. Since the medicine bag 300 is a soft material, the flipping flange 143 applies a force to the lower middle part of the medicine bag 300, causing the lower middle part of the medicine bag 300 to change its original direction of motion, while the upper part of the medicine bag 300 maintains its original direction of motion under the action of inertia. The medicine bag 300 then flips over, so that the contents of the medicine liquid inside the medicine bag 300 are evenly distributed after the collision and flipping.

[0044] The springs fitted on the fixed cylinder 120 and the sliding shaft 130 will be compressed when the bag flipper 140 moves toward the mounting base 110. The compressed springs will stretch and push the bag flipper 140 away from the mounting base 110, so that the sliding shaft 130 and the bag flipper 140 are reset, thereby realizing the automatic reset function.

[0045] The above embodiments are merely a more detailed description of the present utility model. For those skilled in the art, modifications or equivalent substitutions can still be made to the technical solutions in the foregoing embodiments. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model patent.

Claims

1. A bag-turning device for medicine bags, characterized in that, include: Mounting base; A fixed cylinder, one end of which is connected to the mounting base, has a through hole machined at the center of its end face; A sliding shaft, one end of which is installed in the through hole, and can slide freely in the axial direction within the through hole; A bag-turning device is connected to the other end of the sliding shaft; The bag-turning device includes at least one arc-shaped bag-turning flange, which can turn the bag over when it comes into contact with the medicine bag from the conveyor belt.

2. The bag-turning device according to claim 1, characterized in that, The through hole is square in shape and forms a slide rail for the fixed cylinder.

3. The bag-turning device according to claim 1, characterized in that, The fixed cylinder has a fixed cylinder flange formed in the axial direction, and cylinders are formed on both sides of the fixed cylinder flange. Threads are machined on the surface of one of the cylinders. Two threaded holes are provided on the cylindrical end face of the other side of the fixed cylinder flange, and the threaded holes are symmetrically distributed.

4. The bag-turning device according to claim 3, characterized in that, A clamping plate is fitted at the threaded hole. The clamping plate is semi-circular and has a positioning through hole machined at its center. A limit block is formed on the other side of the clamping plate, which is located in the same diameter direction as the positioning through hole.

5. The bag-turning device according to claim 1, characterized in that, A sliding shaft flange is formed in the axial direction of the sliding shaft. A cylinder is formed on one side of the sliding shaft flange, and threads are machined on the surface of the cylinder. A square prism is formed on the other side of the sliding shaft flange, and the square prism forms the sliding rod of the sliding shaft.

6. The bag-turning device according to claim 5, characterized in that, The sliding rod has sliding grooves on two parallel planes.

7. The bag-turning device according to claim 1, characterized in that, The outline of the flap of the bag is composed of a parabola and a circular arc, and the circular arc is smoothly connected to the parabola at the vertex of the parabola.

8. The bag-turning device according to claim 1, characterized in that, An elastic functional component is fitted onto the structure formed by the fixed cylinder and the sliding shaft.

9. The bag-turning device according to claim 8, characterized in that, The elastic functional component is a spring.

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