CN115431482A

CN115431482A - Medicinal straw production facility and medicinal straw structure

Info

Publication number: CN115431482A
Application number: CN202210981831.6A
Authority: CN
Inventors: 唐光文; 唐显锋; 赵宗林; 张敬权; 夏润春
Original assignee: Chongqing Shouhan Intelligent Technology Research Institute Co ltd
Current assignee: Chongqing Shouhan Intelligent Technology Research Institute Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-06

Abstract

The invention relates to the technical field of plastic processing, in particular to a production device of a medicinal straw and a medicinal straw structure, wherein the production device of the medicinal straw comprises injection molding equipment, an extrusion mold, a cooling and drying assembly, a traction assembly and shearing equipment, the cooling and drying assembly comprises a first cooling cavity, a second cooling cavity, a drying box, a heat exchange box, a plurality of radiating fins, a first water pump, a second water pump, a spiral pipe and an air pump, under the traction of the traction assembly, a long straw extruded by the extrusion mold passes through the first cooling cavity, the second cooling cavity and the drying box and enters the shearing equipment, when the long straw passes through the first cooling cavity, water is heated, when hot water passes through the heat exchange box, heat exchange is carried out between the hot water and gas of the spiral pipe, after the heated air is pressurized by the air pump, the heated air is blown into the drying box, the long straw passing through the drying box is dried by blowing, and drying is carried out without using compressed air, so that the problem that the existing production device of the medicinal straw is high in cost is solved.

Description

Medicinal straw production facility and medicinal straw structure

Technical Field

The invention relates to the technical field of plastic processing, in particular to a production device of a medicinal straw and a medicinal straw structure.

Background

When the existing medicinal straw is produced, plastic is melted by injection molding equipment and then extruded out of a mold, the formed straw is cooled by a water tank and then enters a drying box, high-pressure compressed air is introduced into the drying box to blow water dry, and the dried straw enters shearing equipment and is discharged after being sheared into straws with equal length.

However, in this way, in order to dry the straw as much as possible, a large amount of compressed air is consumed, which results in a high cost.

Disclosure of Invention

The invention aims to provide medicinal straw production equipment and a medicinal straw structure, and aims to solve the problem that the existing medicinal straw production equipment is high in cost.

In order to achieve the above objects, in a first aspect, the present invention provides a production apparatus for a straw for medicine, including an injection molding apparatus, an extrusion mold, a cooling and drying assembly, a drawing assembly and a shearing apparatus, wherein the extrusion mold is communicated with the injection molding apparatus and is located at one side of the injection molding apparatus, the cooling and drying assembly includes a first cooling chamber, a second cooling chamber, a drying box, a heat exchange box, a plurality of cooling fins, a first water pump, a second water pump, a spiral pipe and an air pump, the first cooling chamber is located at a side of the extrusion mold, the second cooling chamber is located at a side of the first cooling chamber, the drying box is located at a side of the second cooling chamber, and the heat exchange box is communicated with the first cooling chamber, the heat exchanger comprises a heat exchange box, a first cooling cavity, a plurality of cooling fins, a second cooling cavity, a spiral pipe, a gas pump, a drying box and a traction assembly, wherein the heat exchange box is arranged on the lower portion of the first cooling cavity, the plurality of cooling fins are fixedly connected with the heat exchange box respectively and are arranged on one side of the heat exchange box respectively, the first water pump is communicated with the heat exchange box, is communicated with the second cooling cavity and is arranged on one side of the second cooling cavity, the second water pump is communicated with the second cooling cavity, is communicated with the first cooling cavity and is arranged on one side of the second cooling cavity, the spiral pipe is fixedly connected with the heat exchange box and is arranged in the heat exchange box, the gas pump is communicated with the spiral pipe and is arranged on the side of the drying box and is arranged on the side of the heat exchange box, the traction assembly is arranged on the side of the drying box, and the shearing device is arranged on the side of the traction assembly.

The first cooling cavity comprises a first water tank and a first water box, the first water tank is communicated with the second water pump and is positioned on the side edge of the extrusion die, and the first water box is communicated with the heat exchange box and is positioned below the first water tank.

The second cooling cavity comprises a second water tank and a second water box, the second water tank is communicated with the first water pump and is positioned on the side edge of the first water tank, and the second water box is communicated with the second water pump and is positioned below the second water tank.

The extrusion die is provided with a circular ring opening and a plurality of square openings, the circular ring opening is positioned on one side of the extrusion die, and the square openings are respectively positioned on the side edges of the circular ring opening.

The drying box comprises a box body and a partition plate, the box body is communicated with the air pump and is located on the side edge of the second water tank, the partition plate is fixedly connected with the box body and is located in the box body, and the partition plate is provided with a plurality of air holes.

The traction assembly comprises an installation frame and two rollers, the installation frame is arranged on the side edge of the drying box, and the rollers are respectively connected with the installation frame in a rotating mode and are respectively located on the inner side of the installation frame.

In a second aspect, the present invention further provides a medical straw structure, which comprises a cylinder, wherein the cylinder is provided with a plurality of ribs.

According to the production equipment and the structure of the medicinal straw, the injection molding equipment is used for melting plastic particles and then extruding the plastic particles from the extrusion die, the shearing equipment is used for shearing the formed long straw into the short straws with the same length, and the injection molding equipment, the extrusion die and the shearing equipment are all the prior art and are not described in detail herein; a long suction pipe extruded from the extrusion die sequentially passes through the first cooling cavity, the second cooling cavity and the drying box under the traction of the traction assembly, and enters the shearing equipment after being cooled and dried, wherein water is contained in the first cooling cavity, the heat exchange box and the second cooling cavity, and is sequentially communicated through the first water pump, the second water pump and a plurality of water pipes, cooling water can flow into the heat exchange box from the first cooling cavity, then flow into the second cooling cavity from the heat exchange box, finally flow back to the first cooling cavity from the second cooling cavity, and circularly flow in the way, one end of the spiral pipe extends out of the heat exchange box, and air is sucked and pressurized from the spiral pipe by the air pump and then blown into the drying box; when the long suction pipe coming out of the extrusion die passes through the first cooling cavity, water in the first cooling cavity is heated, the heated water flows into the heat exchange box and is subjected to heat exchange with air passing through the spiral pipe, the temperature of the water is reduced after the temperature of the long suction pipe is reduced through the cooling of the plurality of radiating fins, the water flows into the second cooling cavity, the long suction pipe passing through the second cooling cavity is cooled and finally flows back into the first cooling cavity, the spiral pipe is used for enabling the air to be subjected to sufficient heat exchange with the hot water, the air passing through the spiral pipe is heated and then is pressurized by the air pump and then is blown into the drying box, the long suction pipe passing through the drying box is dried, the air is heated by utilizing the waste heat of the long suction pipe which is just extruded, the hot air is blown to the long suction pipe which is cooled and formed for drying, the cost of the compressed air is not needed, and the problem that the cost of the conventional production equipment of the medical suction pipe is high is solved.

Drawings

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

Fig. 1 is an overall structural schematic diagram of a medicinal straw production device provided by the invention.

FIG. 2 is a schematic structural diagram of an injection molding device and an extrusion mold of the medical straw production device provided by the invention.

Fig. 3 is an enlarged view of a detail a of fig. 2.

Fig. 4 is a schematic structural diagram of a cooling and drying assembly of the medical straw production equipment provided by the invention.

Fig. 5 is a partial enlarged view of detail B of fig. 4.

Fig. 6 is a schematic structural diagram of a heat exchange box, a heat radiating fin and a spiral pipe of the medical straw production equipment provided by the invention.

Fig. 7 is a schematic structural diagram of a drawing assembly of the medical straw production equipment provided by the invention.

Fig. 8 is a structural schematic diagram of a medical straw structure provided by the invention.

In the figure: 101-injection molding equipment, 102-extrusion die, 103-cooling drying component, 104-traction component, 105-shearing equipment, 106-first cooling cavity, 107-second cooling cavity, 108-drying box, 109-heat exchange box, 110-radiating fin, 111-first water pump, 112-second water pump, 113-spiral pipe, 114-air pump, 115-first water tank, 116-first water box, 117-second water tank, 118-second water box, 119-circular opening, 120-square opening, 121-box body, 122-baffle, 123-air hole, 124-mounting rack, 125-roller, 126-first rotating shaft, 127-first limiting wheel, 128-second rotating shaft, 129-second limiting wheel, 130-mounting frame, 131-sponge, 132-push rod, 133-pressing plate, 201-cylinder and 202-edge strip.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 8, in a first aspect, the present invention provides a manufacturing apparatus for medical straws:

the cooling and drying device comprises an injection molding device 101, an extrusion mold 102, a cooling and drying component 103, a traction component 104 and a shearing device 105, wherein the extrusion mold 102 is communicated with the injection molding device 101 and is positioned on one side of the injection molding device 101, the cooling and drying component 103 comprises a first cooling cavity 106, a second cooling cavity 107, a drying box 108, a heat exchange box 109, a plurality of radiating fins 110, a first water pump 111, a second water pump 112, a spiral pipe 113 and an air pump 114, the first cooling cavity 106 is arranged on the side of the extrusion mold 102, the second cooling cavity 107 is arranged on the side of the first cooling cavity 106, the drying box 108 is arranged on the side of the second cooling cavity 107, the heat exchange box 109 is communicated with the first cooling cavity 106 and is positioned below the first cooling cavity 106, the plurality of the heat radiating fins 110 are fixedly connected with the heat exchange box 109 and are respectively located on one side of the heat exchange box 109, the first water pump 111 is communicated with the heat exchange box 109, is communicated with the second cooling cavity 107 and is located on one side of the heat exchange box 109, the second water pump 112 is communicated with the second cooling cavity 107, is communicated with the first cooling cavity 106 and is located on one side of the second cooling cavity 107, the spiral pipe 113 is fixedly connected with the heat exchange box 109 and is located inside the heat exchange box 109, the air pump 114 is communicated with the spiral pipe 113 and is communicated with the drying box 108 and is located on one side of the heat exchange box 109, the traction assembly 104 is located on one side of the drying box 108, and the shearing device 105 is located on one side of the traction assembly 104.

In this embodiment, the injection molding device 101 is configured to melt plastic particles and extrude the plastic particles from the extrusion mold 102, the shearing device 105 is configured to shear the long and short molded straws into equal-length straws, and the injection molding device 101, the extrusion mold 102 and the shearing device 105 are all in the prior art and are not described herein; under the traction of the traction assembly 104, the long suction pipe extruded from the extrusion die 102 sequentially passes through the first cooling chamber 106, the second cooling chamber 107 and the drying box 108, and enters the shearing device 105 after being cooled and dried, water is contained in the first cooling chamber 106, the heat exchange box 109 and the second cooling chamber 107, and is sequentially communicated through the first water pump 111, the second water pump 112 and a plurality of water pipes, cooling water can flow into the heat exchange box 109 from the first cooling chamber 106, then flows into the second cooling chamber 107 from the heat exchange box 109, and finally flows back to the first cooling chamber 106 from the second cooling chamber 107, and the cooling water is circulated until one end of the spiral pipe 113 extends out of the heat exchange box 109, and air is sucked and pressurized from the spiral pipe 113 by the air pump 114 and then blown into the drying box 108; when the long suction pipe from the extrusion die 102 passes through the first cooling chamber 106, the water in the first cooling chamber 106 is heated, the heated water flows into the heat exchange box 109, exchanges heat with the air passing through the spiral pipe 113, is cooled by the plurality of cooling fins 110, is reduced in water temperature, flows into the second cooling chamber 107, cools the long suction pipe passing through the second cooling chamber 107, and flows back into the first cooling chamber 106, the spiral pipe 113 is used for enabling the air and the hot water to exchange heat sufficiently, the air passing through the spiral pipe 113 is heated, is pressurized by the air pump 114, and is blown into the drying box 108, the long suction pipe passing through the drying box 108 is dried, the air is heated by the waste heat of the long suction pipe which is just extruded, and the hot air is blown to the long suction pipe which is formed by cooling for drying without using compressed air, so that the cost of the compressed air is removed, and the problem of high cost of the existing production equipment for the pharmaceutical use is solved.

Further, the first cooling chamber 106 includes a first water tank 115 and a first water box 116, the first water tank 115 is communicated with the second water pump 112 and is located at a side of the extrusion die 102, and the first water box 116 is communicated with the heat exchange box 109 and is located below the first water tank 115.

In the present embodiment, the long straw extruded from the extrusion die 102 passes through the first water tank 115, and the water in the first water tank 115 exchanges heat with the long straw, so that the hot water overflows from the first water tank 115, flows into the first water box 116, and then flows into the heat exchange box 109.

Further, the second cooling chamber 107 includes a second water tank 117 and a second water box 118, the second water tank 117 is communicated with the first water pump 111 and is located at a side of the first water tank 115, and the second water box 118 is communicated with the second water pump 112 and is located below the second water tank 117.

In the present embodiment, the first water pump 111 sucks the water in the heat exchange tank 109, which has been cooled by the air in the plurality of fins 110 and the spiral tube 113, into the second water tank 117, cools the water passing through the long suction pipe of the second water tank 117, overflows into the second water box 118, and is discharged into the first water tank 115 by the second water pump 112.

Further, the extrusion die 102 has a circular opening 119 and a plurality of square openings 120, the circular opening 119 is located at one side of the extrusion die 102, and the plurality of square openings 120 are respectively located at the side of the circular opening 119.

In the present embodiment, the melted plastic is extruded from the circular opening 119 and the plurality of square openings 120 at the same time to form a suction pipe.

Further, the drying box 108 includes a box body 121 and a partition plate 122, the box body 121 is communicated with the air pump 114 and is located at a side of the second water tank 117, the partition plate 122 is fixedly connected with the box body 121 and is located in the box body 121, and the partition plate 122 has a plurality of air holes 123.

In this embodiment, the partition 122 divides the box body 121 into two spaces, and the hot air blown by the air pump 114 first enters the space below the partition 122, is then divided by the plurality of air holes 123, and is then uniformly blown toward the long suction pipe passing through the box body 121.

Further, the pulling assembly 104 includes a mounting bracket 124 and two rollers 125, the mounting bracket 124 is disposed at a side of the drying box 108, and the two rollers 125 are respectively rotatably connected to the mounting bracket 124 and respectively located inside the mounting bracket 124.

In this embodiment, the two rollers 125 are driven by a motor to rotate, the upper roller 125 rotates counterclockwise, the lower roller 125 rotates clockwise, the long straw passes through the inner sides of the two rollers 125, and the two rollers 125 cooperate to pull the long straw.

Further, the first cooling chamber 106 further includes a first rotating shaft 126 and a first limiting wheel 127, the first rotating shaft 126 is fixedly connected to the first water tank 115 and is located inside the first water tank 115, and the first limiting wheel 127 is rotatably connected to the first rotating shaft 126 and is penetrated by the first rotating shaft 126.

In this embodiment, the first limiting wheel 127 is rotatably mounted in the first water tank 115 through the first rotating shaft 126, and the long straw is slightly pressed by the first limiting wheel, so that the long straw just passes through the water surface in the first water tank 115, and is sufficiently contacted with water for heat exchange.

Further, the second cooling chamber 107 further includes a second rotating shaft 128 and a second limiting wheel 129, the second rotating shaft 128 is fixedly connected to the second water tank 117 and is located inside the second water tank 117, and the second limiting wheel 129 is rotatably connected to the second rotating shaft 128 and is penetrated by the second rotating shaft 128.

In this embodiment, the second limiting wheel 129 is rotatably mounted in the second water tank 117 through the second rotating shaft 128, and the long straw is slightly pressed by the second limiting wheel, so that the long straw just passes through the water surface in the second water tank 117, and is in sufficient contact with water for heat exchange.

Further, the drying box 108 further includes a mounting frame 130, two sponges 131, two push rods 132 and two press plates 133, the mounting frame 130 is fixedly connected to the box body 121 and located on the side of the box body 121, the two sponges 131 are respectively located on the inner side of the mounting frame 130, the two push rods 132 are respectively slidably connected to the mounting frame 130 and respectively penetrate through the mounting frame 130, and the two press plates 133 are respectively fixedly connected to the two push rods 132 and respectively located on the inner side of the mounting frame 130.

In this embodiment, a little moisture may remain on the surface of the long straw through the box body 121, and then the long straw passes through the mounting frame 130 and passes through between the two sponges 131, the two sponges 131 cooperate to further dry the water on the long straw, so as to further ensure that the long straw entering the shearing device 105 is completely dry, thereby enhancing the drying effect, when the two sponges 131 fully absorb the water, the push rod 132 can be pushed to drive the pressing plate 133 to press the water inside the sponges 131, and the pressed water flows out from the bottom of the mounting frame 130.

When the production equipment for the medicinal straws is used, the injection molding equipment 101 extrudes molten plastics from the extrusion die 102 to form continuous long straws, the long straws pass through the first water tank 115, the second water tank 117, the box body 121 and the two sponges 131 in sequence under the traction of the two rollers 125, and enter the shearing equipment 105 after being cooled and dried to be sheared into short straws with equal length; when the long suction pipe from the extrusion die 102 enters the first water tank 115, the water in the first water tank 115 is heated, the heated water overflows to the first water box 116, then flows into the heat exchange box 109, exchanges heat with the air passing through the spiral pipe 113, is cooled by the plurality of heat radiating fins 110, and then is reduced in temperature, and then flows into the second water tank 117, cools the long suction pipe passing through the second cooling chamber 107, then overflows to the second water box 118, and then flows back to the first water tank 115, the water in the second water tank 117 is heated by the long suction pipe, but is still lower in temperature than the long suction pipe passing through the first water tank 115, and therefore the water flowing back to the first water tank 115 can also cool the long suction pipe in the first water tank 115; the air sucked by the air pump 114 is heated in the spiral pipe 113, and then blown into the box body 121, and the passing long suction pipe is dried; when the device is started, not much water is heated, so that the air blown to the box body 121 is also cold air, the drying effect may not be ideal, but the long suction pipe can still be dried with the aid of the two sponges 131, and after a period of time, the device can normally operate in the above manner.

In a second aspect, the present invention further provides a medical straw structure, which includes a cylinder 201, wherein the cylinder 201 has a plurality of ribs 202.

In this embodiment, the ribs 202 are uniformly arranged outside the cylinder 201, when the straw structure penetrates through the aluminum foil and is inserted into the medicine bottle, the ribs 202 support a plurality of gaps outside the cylinder 201 and communicate with the outside air, when the medicine liquid is sucked from the cylinder 201, the medicine liquid in the cylinder 201 rises under the action of the atmospheric pressure, and when the medicine liquid is not sucked, the medicine liquid in the cylinder 201 falls again.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A production device of a medicinal straw, which is characterized in that,

including injection moulding equipment, extrusion tooling, cool drying subassembly, pull subassembly and shearing equipment, extrusion tooling with injection moulding equipment intercommunication, and be located injection moulding equipment one side, cool drying subassembly includes first cooling chamber, second cooling chamber, dry box, heat transfer case, a plurality of fin, first water pump, second water pump, spiral pipe and air pump, first cooling chamber sets up the extrusion tooling side, second cooling chamber sets up first cooling chamber side, the dry box sets up second cooling chamber side, the heat transfer case with first cooling chamber intercommunication, and be located first cooling chamber below, it is a plurality of the fin respectively with heat transfer case fixed connection, and be located respectively heat transfer case one side, first water pump with heat transfer case intercommunication, and with second cooling chamber intercommunication, and be located heat transfer case one side, the second water pump with second cooling chamber intercommunication, and with first cooling chamber intercommunication, and be located second cooling chamber one side, the spiral pipe with heat transfer case fixed connection, and be located the heat transfer case is inside the heat transfer case sets up the heat transfer case and the air pump is in the side, the dry box sets up the side, the air pump is pulling subassembly is in the dry box side, the side sets up the heat transfer case and pulls the drying case.

2. The medical straw production facility according to claim 1,

3. The apparatus for producing drinking straw for pharmaceutical use according to claim 2,

4. The medical straw production facility according to claim 3,

5. The apparatus for producing drinking straw for pharmaceutical use according to claim 4,

the drying box comprises a box body and a partition plate, the box body is communicated with the air pump and is positioned on the side edge of the second water tank, the partition plate is fixedly connected with the box body and is positioned in the box body, and the partition plate is provided with a plurality of air holes.

6. The medical straw production facility according to claim 5,

the traction assembly comprises an installation rack and two rollers, the installation rack is arranged on the side edge of the drying box, and the two rollers are respectively in rotating connection with the installation rack and are respectively located on the inner side of the installation rack.

7. A medicinal straw structure produced by the medicinal straw production equipment as claimed in claims 1 to 6,

includes a cylinder having a plurality of ribs.