Stirring and discharging device for medical plastic sheet production

Abstract

The utility model belongs to the technical field of plastic sheet production, and particularly relates to a stirring and discharging device for medical plastic sheet production. Comprising a machine frame, a barrel, a discharging pipe, a discharging pipe, a speed reducing motor, a connecting shaft, stirring blades and a separating device, the barrel is installed on the machine frame, the lower end of the barrel is connected with the discharging pipe, the discharging pipe is arranged at the upper end of the barrel, a discharging hole located below the discharging pipe is formed in the upper end of the barrel, and the speed reducing motor is connected with the connecting shaft. The speed reducing motor is mounted at the top of the barrel body, the speed reducing motor is connected with the connecting shaft, the connecting shaft is connected with the plurality of stirring blades, a separating device is arranged on the barrel body, and the upper side and the lower side in the barrel body are respectively separated into a material mixing bin and a material discharging bin by the separating device. The barrel is divided into the mixing bin and the discharging bin through the separating device, so that material mixing and discharging are synchronously carried out, material transfer links are reduced, the occupied area of equipment is reduced, and the production continuity is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic sheet production, especially relates to a stirring and discharging device for medical plastic sheet production. BACKGROUND

[0002] Medical plastic sheets have been widely used in medical devices and packaging due to their excellent physical properties, chemical stability, and biocompatibility. During production, the uniformity of the raw materials directly affects the quality of the final product. Therefore, an efficient and reliable stirring and discharging device is crucial for ensuring the quality of medical plastic sheets.

[0003] Currently, existing discharging devices for plastic sheet production usually use separate mixing equipment and discharging equipment. After mixing is completed, the materials need to be transferred to the discharging bin through a conveying mechanism, resulting in a large equipment footprint and high energy consumption. In addition, traditional devices cannot simultaneously mix and discharge in the same bin, resulting in low production efficiency and difficulty in meeting the needs of modern continuous production. SUMMARY

[0004] To overcome the shortcomings of large equipment footprint, high energy consumption, and inability to simultaneously mix and discharge in the same bin, as well as low production efficiency, the technical problem of the utility model is to provide a stirring and discharging device for medical plastic sheet production that can integrate mixing and discharging functions and improve production efficiency.

[0005] Technical solution: A stirring and discharging device for medical plastic sheet production, comprising a rack, a cylinder, a discharge pipe, a discharging pipe, a speed reducer, a connecting shaft, stirring blades, and a partition device. The cylinder is installed on the rack, the discharge pipe is connected to the lower end of the cylinder, the discharging pipe is provided at the upper end of the cylinder, a discharging hole is formed in the upper end of the cylinder below the discharging pipe, the speed reducer is installed on the top of the cylinder, the speed reducer is connected to the connecting shaft, multiple stirring blades are connected to the connecting shaft, and the partition device is provided on the cylinder to divide the inside of the cylinder into a mixing bin and a discharging bin.

[0006] In addition, it is particularly preferred that the partition device comprises a connecting frame, a shaft sleeve, a rotating shaft, a sector plate, and a driving assembly. The connecting frame is installed in the discharging bin of the cylinder, the shaft sleeve is fixedly connected to the upper end of the connecting frame, multiple rotating shafts are installed on the shaft sleeve, the rotating shafts are rotatably connected to the shaft sleeve and the cylinder at both ends, the sector plates are connected to the rotating shafts, multiple sector plates are combined into a complete ring in a horizontal state to separate the mixing bin and the discharging bin, and the driving assembly is installed on the cylinder to drive the rotating shafts to rotate.

[0007] Furthermore, it is particularly preferred that the driving assembly comprises a gear, a gear ring, a mounting base and a servo motor, the number of gears is consistent with the number of rotating shafts, and each gear is connected to a rotating shaft, the gear ring is rotatably mounted on the outer wall of the barrel, each gear is engaged with the gear ring, the servo motor is mounted on the barrel through the mounting base, and the output shaft of the servo motor is connected to one of the rotating shafts.

[0008] Furthermore, it is particularly preferred that the driving assembly comprises a gear, a gear ring, a mounting base and a servo motor, the number of gears is consistent with the number of rotating shafts, and each gear is connected to a rotating shaft, the gear ring is rotatably mounted on the outer wall of the barrel, each gear is engaged with the gear ring, the servo motor is mounted on the barrel through the mounting base, and the output shaft of the servo motor is connected to one of the rotating shafts.

[0009] Furthermore, it is particularly preferred that the driving assembly comprises a gear, a gear ring, a mounting base and a servo motor, the number of gears is consistent with the number of rotating shafts, and each gear is connected to a rotating shaft, the gear ring is rotatably mounted on the outer wall of the barrel, each gear is engaged with the gear ring, the servo motor is mounted on the barrel through the mounting base, and the output shaft of the servo motor is connected to one of the rotating shafts.

[0010] Furthermore, it is particularly preferred that the driving assembly comprises a gear, a gear ring, a mounting base and a servo motor, the number of gears is consistent with the number of rotating shafts, and each gear is connected to a rotating shaft, the gear ring is rotatably mounted on the outer wall of the barrel, each gear is engaged with the gear ring, the servo motor is mounted on the barrel through the mounting base, and the output shaft of the servo motor is connected to one of the rotating shafts.

[0011] 1. The utility model discloses a barrel is divided into mixing bin and the blanking bin through the partition device, realizes the synchronous of material mixing and blanking, reduces material transfer link, reduces the equipment floor space, improves production continuity.

[0012] 2. The servo motor is adopted to drive the sector plate to open and close, and is matched with the linkage type ring plate, so that the mixed material can be accurately blanked, the un-mixed material can be prevented from directly entering the blanking bin, and the product quality is ensured. DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the sectional structure schematic diagram of the mixing bin of the utility model.

[0015] Figure 3 It is the structure schematic diagram of the utility model removing rack, mixing bin and blanking bin.

[0016] Figure 4 It is the structure schematic diagram of the rotating shaft, sector plate, gear and gear ring of the utility model.

[0017] Among them, the above drawing includes the following sign: 1, rack, 2, barrel, 3, air cannon, 4, discharge pipe, 5, vertical board, 6, blanking pipe, 7, speed reducer, 8, connecting shaft, 9, stirring vane, 10, connecting frame, 11, shaft sleeve, 12, rotating shaft, 13, sector plate, 14, gear, 15, gear ring, 16, mounting base, 17, servo motor, 18, connecting rod, 19, ring plate, 20, through hole, 21, flange. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model will be explained in further detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0019] Specific embodiment one: a stirring and discharging device for medical plastic sheet production, as shown in Figures 1-4 , including frame 1, cylinder 2, flange 21, discharge pipe 4, vertical plate 5, discharging pipe 6, speed reducer 7, connecting shaft 8, stirring blade 9 and separation device, the frame 1 top is provided with cylinder 2, the cylinder 2 lower end is connected with discharge pipe 4, the cylinder 2 upper end left and right sides are connected with vertical plate 5, two vertical plates 5 are connected with discharging pipe 6, the discharge pipe 4 and the discharging pipe 6 are connected with flange 21, the cylinder 2 upper end left and right sides are opened with discharging hole, the discharging pipe 6 is located above the discharging hole, the cylinder 2 top middle is provided with speed reducer 7, the cylinder 2 top middle is rotatably installed with connecting shaft 8 through bearing seat, the output shaft of speed reducer 7 is connected with connecting shaft 8 through coupling, the connecting shaft 8 is located in the cylinder 2, the connecting shaft 8 is uniformly and spacedly connected with three stirring blades 9, the cylinder 2 middle part is equipped with separation device, the separation device separates the cylinder 2 into two spaces, the upper space is mixing bin, the lower space is discharging bin, the material enters the mixing bin through the discharging pipe 6, is mixed through the two stirring blades 9 above, after mixing, the separation device is opened, the mixed material enters the discharging bin, then controls the separation device to close, at the same time, the material is transported to the mixing bin through the discharging pipe 6, the lowermost stirring blade 9 stirs the material, the material is discharged through the discharge pipe 4, realizes that mixing and discharging are carried out simultaneously, improves work efficiency.

[0020] As shown in Figures 3-4 , the separation device includes connecting frame 10, shaft sleeve 11, rotating shaft 12, sector plate 13 and driving assembly, the connecting frame 10 is installed in the discharging bin of the lower part of the cylinder 2, the connecting frame 10 is overall cone, the shaft sleeve 11 is fixedly connected with the connecting frame 10 upper end, eight rotating shafts 12 are uniformly and spacedly installed in the circumferential direction of the shaft sleeve 11, the one end of the eight rotating shafts 12 away from the shaft sleeve 11 penetrates the cylinder 2, the two ends of the rotating shaft 12 are rotatably connected with the shaft sleeve 11 and the cylinder 2 respectively, the rotating shaft 12 outside is connected with sector plate 13, eight sector plates 13 are combined into a complete annular in horizontal state, used for separating mixing bin and discharging bin, the cylinder 2 is installed with the driving assembly used for driving the rotating shaft 12 to rotate.

[0021] As shown in Figures 3-4The driving assembly comprises gear wheels 14, a gear ring 15, a mounting seat 16 and a servo motor 17, the eight gear wheels 14 are respectively connected to the ends of the rotating shafts 12 away from the shaft sleeves 11, the gear wheels 14 are located outside the cylinder body 2, the gear ring 15 is rotatably mounted on the outer wall of the cylinder body 2 and is located above the gear wheels 14, the gear wheels 14 are engaged with the gear ring 15, the servo motor 17 is mounted on the outer wall of the cylinder body 2 through the mounting seat 16, and the output shaft of the servo motor 17 is connected with one of the rotating shafts 12 through a shaft coupling.

[0022] Referring to Figures 1-2 The air cannon 3 is further arranged in the middle of the frame 1 and is connected and communicated with the discharging bin of the cylinder body 2.

[0023] One end of the discharging pipe 4 is connected with the Roots blower, the other end is connected with a conveying pipeline through a flange 21, and the discharging pipe 6 is connected with a feeding pipe of a feeding device through the flange 21, the feeding device feeds two kinds of materials into the mixing bin through the two discharging pipes 6 on the vertical plates 5 respectively, the reduction motor 7 is started to drive the connecting shaft 8 to rotate through the shaft coupling, and the two stirring blades 9 above the connecting shaft 8 start to mix the materials in the upper mixing bin of the cylinder body 2. When the mixing is completed, the servo motor 17 is started to drive one of the rotating shafts 12 to rotate, and the other seven rotating shafts 12 are synchronously driven to rotate through the engagement relationship between the gear wheels 14 and the gear ring 15, so that the sector plates 13 of each rotating shaft 12 are opened, and the mixed materials in the mixing bin fall into the discharging bin. Then the servo motor 17 is started to close the sector plates 13, so that the materials enter the mixing bin through the two discharging pipes 6 again, the two stirring blades 9 above continue to mix the materials uniformly, and the lowermost stirring blade 9 continues to stir the materials in the discharging bin, so that the materials smoothly enter the discharging pipe 4, and the Roots blower is started to discharge the materials through the discharging pipe 4. In addition, the air cannon 3 is arranged in the middle of the frame 1 and is communicated with the discharging bin, which can effectively prevent the materials from being blocked and ensure the smooth discharging process. In the whole process, the separation device realizes the effective isolation and communication between the mixing bin and the discharging bin, so that the efficient and continuous material mixing and discharging operation is realized, and the work efficiency is improved.

[0024] Specific implementation method two: on the basis of the specific implementation method one, referring to Figure 3 The connecting rods 18 and the annular plate 19 are further included, four connecting rods 18 are connected to the top of the gear ring 15 in a circumferential direction and are uniformly and spaced apart, the annular plate 19 is connected between the upper ends of the four connecting rods 18, the annular plate 19 is located between the lower end of the discharging pipe 6 and the top of the cylinder body 2, the annular plate 19 is symmetrically provided with through holes 20 on the left and right sides, and the through holes 20 correspond to the discharging pipe 6 and the discharging hole respectively.

[0025] When the eight rotating shafts 12 are rotated by the starting servo motor 17, the eight sector plates 13 are opened. At this time, the gear ring 15 rotates to drive the annular plate 19 to rotate through the connecting rod 18, the through hole 20 moves away from below the feeding pipe 6, the annular plate 19 blocks the feeding pipe 6, so that when the sector plates 13 are opened, the feeding of the feeding pipe 6 can be disconnected, and the un-mixed material is prevented from directly falling into the feeding bin. The servo motor 17 is reversely rotated to make the sector plates 13 closed, at this time, the gear ring 15 rotates to drive the annular plate 19 to reversely rotate through the connecting rod 18, the through hole 20 moves to between the feeding pipe 6 and the feeding hole again, and the feeding pipe 6 continues to add the material into the mixing bin.

[0026] It should be understood that the embodiments are only used for illustrating the present application and not for limiting the scope of the present application. Furthermore, it should be understood that after reading the content taught by the present application, those skilled in the art can make various modifications or changes to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A stirring and discharging device for medical plastic sheet production, comprising a frame (1), a cylinder (2), a discharging pipe (4) and a discharging pipe (6), wherein the cylinder (2) is installed on the frame (1), the discharging pipe (4) is connected to the lower end of the cylinder (2), and the discharging pipe (6) is arranged on the upper end of the cylinder (2), characterized in that, It also includes a speed reducer (7), connecting shaft (8), stirring blade (9) and separation device, the barrel (2) upper end opening is located below the discharge pipe (6) of the discharge hole, the barrel (2) top is provided with the speed reducer (7), the speed reducer (7) is connected with the connecting shaft (8), the connecting shaft (8) is connected with a plurality of stirring blades (9), the barrel (2) is provided with a separation device, which separates the barrel (2) into mixing bin and discharge bin.

2. The stirring and discharging device for producing medical plastic sheet material according to claim 1, characterized in that, The separation device includes a connecting frame (10), a shaft sleeve (11), a shaft (12), a fan-shaped plate (13) and a driving assembly, the connecting frame (10) is installed in the discharge bin of the barrel (2), the shaft sleeve (11) is fixedly connected to the upper end of the connecting frame (10), a plurality of shafts (12) are installed on the shaft sleeve (11), the two ends of the shaft (12) are rotatably connected with the shaft sleeve (11) and the barrel (2) respectively, the fan-shaped plate (13) is connected to the shaft (12), and a plurality of fan-shaped plates (13) are combined into a complete ring in horizontal state, which is used for separating the mixing bin and the discharge bin, and the driving assembly for driving the rotation of the shaft (12) is installed on the barrel (2).

3. The medical plastic sheet production stirring and discharging device according to claim 2, characterized in that, The driving assembly includes a gear (14), a gear ring (15), a mounting seat (16) and a servo motor (17), the number of gears (14) is consistent with the number of shafts (12), and each gear (14) is connected to the corresponding shaft (12), the gear ring (15) is rotatably installed on the outer wall of the barrel (2), each gear (14) is engaged with the gear ring (15), the servo motor (17) is installed on the barrel (2) through the mounting seat (16), and the output shaft of the servo motor (17) is connected with one of the shafts (12).

4. The stirring and discharging device for producing medical plastic sheet material according to claim 3, characterized in that, It also includes a connecting rod (18) and a ring-shaped plate (19), the connecting rod (18) is connected to the gear ring (15), the upper end of the connecting rod (18) is connected with the ring-shaped plate (19), the ring-shaped plate (19) is located between the discharge pipe (6) and the barrel (2), the ring-shaped plate (19) is provided with a through hole (20), and the through hole (20) corresponds to the discharge pipe (6) and the discharge hole respectively.

5. The medical plastic sheet production stirring and discharging device according to claim 1, characterized in that, It also includes an air cannon (3), the air cannon (3) is installed on the rack (1), and the air cannon (3) is connected with the discharge bin of the barrel (2).

6. The medical plastic sheet production stirring and discharging device according to claim 1, characterized in that, The flange (21) is installed on the discharge pipe (4) and the discharge pipe (6).

Images