Tiled air drying device for hollow capsule production

Abstract

A tiled air drying device for empty capsule production comprises an air blower, a heater, an air duct box and an air drying box, the air drying box is a cuboid cavity, and a splitter plate, an air uniformizing plate and an air outlet plate are arranged in an inner cavity of the air drying box; the middle part of the splitter plate is a solid plate, two sides of the splitter plate are mesh plates, and the upper part of the inner cavity of the air drying oven is divided into a splitter cavity; the air uniformizing plate is a mesh plate provided with dense air outlet holes, and the air uniformizing plate and the splitter plate jointly divide the middle of an inner cavity of the air drying oven into air uniformizing cavities. The air outlet plate is a mesh plate provided with dense air outlet holes, the air outlet holes in the air outlet plate and the air outlet holes in the air uniformizing plate are staggered, and the air outlet plate and the air uniformizing plate jointly divide the lower portion of the inner cavity of the air drying oven into air outlet cavities. The capsule shell drying device has the beneficial effects that air and heat can be dispersed to four corners and the interior through flow division, the speed and the temperature of hot air can be uniform through air uniformizing, and then the hot air is blown to a needle through the air outlet cavity, so that a capsule shell on the needle can be uniformly dried.

Description

Technical Field

[0001] The utility model relates to production equipment for hollow medicinal capsules, in particular to a flat-laying air-drying device used for producing hollow capsules. Background Art

[0002] In the production process of hollow capsules, the hollow capsules formed by dipping in glue need to be dried. The existing drying device sends air to the heater through a hair dryer, and the heater heats the air and sends the air into the air duct box, and then blows the hot air to the air drying oven through the air duct box, and then blows the hot air to the capsule shell that needs to be dried through the air drying oven; but the air duct box is vertically connected to the air drying oven, so that the hot air in the air duct box is vertically blown to the air drying oven, which makes the temperature and speed of the hot air in the air drying oven very uneven, which seriously affects the uniformity of the capsule shell during drying.

[0003] The applicant company developed and applied for a utility model patent with patent number 2019211474090 a few years ago, and the name is "A wind drying device for the dipping section of a hollow capsule production line", which includes a blower, a heater and an air duct box, and an air drying oven, which are connected in sequence; the air drying oven is a closed cavity structure composed of a rectangular lower part and a triangular upper part, wherein the top plate of the triangular body is connected to the air duct box, and the bottom plate of the rectangular body is provided with a plurality of air outlet holes; a wind speed reduction device is provided in the air duct box, and an air duct distribution device is provided in the air drying oven; each air outlet hole corresponds to a needle on the dipping mold, so that each capsule shell can get the same air drying; it is convenient to effectively control the degree of air drying and improve the cutting effect and capsule extraction effect of the capsule shell; but the device makes the temperature and speed of the hot air in the air drying oven also very uneven, affecting the uniformity of the capsule shell during drying; the present application is an improvement on the device. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a flat-air outlet type air drying oven in view of the above defects, so that hot air can be blown out slowly from every position of the bottom of the air drying oven, so that the temperature and speed of the hot air are evenly distributed.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is a flat-laid air-drying device for the production of hollow capsules, comprising a blower, a heater, an air duct box and an air drying box, the right end of the air duct box is fixedly connected to the heater, and the right side of the heater is connected to the blower; the left side of the air duct box is bent downward at 90° and then connected to the ventilation drying box; it is characterized in that the air drying box is a rectangular cavity, and a diverter plate, an air uniform plate and an air outlet plate are arranged in the inner cavity of the air drying box; the diverter plate is fixedly installed in the middle and upper part of the inner cavity of the air drying box, the middle part of the diverter plate is a solid plate, and both sides of the middle part are first mesh plates with dense first air outlet holes, and the diverter plate divides the upper part of the inner cavity of the air drying box into a diverter cavity; the air uniform plate is fixedly installed in the middle and lower part of the inner cavity of the air drying box, the air uniform plate is a second mesh plate with dense second air outlet holes, the second air outlet holes on the air uniform plate are staggered with the first air outlet holes on the diverter plate, and the air uniform plate and the diverter plate are staggered. The plates together separate the middle part of the inner cavity of the air drying oven into a uniform air cavity; the air outlet plate is fixedly installed at the bottom of the air drying oven, the air outlet plate is a third mesh plate provided with dense third air outlet holes, the third air outlet holes on the air outlet plate are offset from the second air outlet holes on the uniform air plate, and the air outlet plate and the uniform air plate together separate the lower part of the inner cavity of the air drying oven into an air outlet cavity; in this way, when the hot air is blown from the air duct box into the air drying oven, the hot air is blocked by the solid plate on the diverter plate in the diverter cavity, and can only be turned to be blown out from the mesh plate into the uniform air cavity, thereby greatly slowing down the wind speed, and since the second air outlet hole on the uniform air plate is offset from the first air outlet hole on the diverter plate, the hot air will be further evenly mixed in the uniform air cavity, so that the temperature of the hot air at the four corners and various positions in the air drying oven is uniform, and the speed is uniform and slow, and after being blown out through the third air outlet hole on the air outlet plate, the hollow capsules on the dipped glue mold can all obtain hot air with uniform temperature and moderate wind speed, and receive hot air baking.

[0006] The air drying device is installed in the glue dipping part of the production line, the third air outlet is directly opposite to the needles on the glue dipping mold, and the third air outlet corresponds to the needles one by one.

[0007] Furthermore, the diameter of the third air outlet is 1-3 times the diameter of the hollow capsule;

[0008] A wind speed reduction device is provided in the air duct box, and the wind speed reduction device includes a plurality of speed reduction plates, which are inclined in the direction away from the heater and are fixedly installed in a row on the inner wall of the air duct box. At the same time, speed reduction plates are installed on both symmetrical sides of the inner wall of the air duct box, and the rows of speed reduction plates on the symmetrical sides extend into the gaps between each other's speed reduction plates; in this way, the overall wind speed can be effectively reduced.

[0009] The blower is provided with a silencer, and the blower is installed in a silencer box. Air inlets are provided on both sides of the silencer box.

[0010] The utility model has the beneficial effect that the air drying oven is set as a rectangular cavity, and the rectangular cavity is divided from top to bottom into a diversion cavity, a uniform wind cavity and an air outlet cavity, the wind and heat can be dispersed to four corners and the interior through diversion, the speed and temperature of the hot air can be made uniform through uniform wind, and then it is blown onto the stick needles through the air outlet cavity, so that the capsule shells on the stick needles can be evenly dried. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall side perspective structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the top view of the diverter plate in the utility model.

[0013] Figure 3 It is a schematic diagram of the top view of the wind uniforming plate in the utility model.

[0014] In the figure: 1. blower, 2. heater, 3. air duct box, 4. air oven, 5. splitter plate, 6. air uniformity plate, 7. air outlet plate, 8. solid plate, 91. first air outlet hole, 101. first mesh plate, 11. splitter cavity, 92. second air outlet hole, 102.

[0015] Second mesh plate, 12. air uniformity chamber, 93. third air outlet, 103. third mesh plate, 13. air outlet chamber, 14. speed reducer, 15. muffler, 16. air inlet. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the embodiments.

[0017] Example 1.

[0018] As shown in the figure, a flat-laying air drying device for hollow capsule production is manufactured. First, a blower 1, a heater 2 and an air duct box 3 are prepared, and then a special air drying box 4 is manufactured; the right end of the air duct box 3 is fixedly connected to the heater 2, and the right side of the heater 2 is connected to the blower 1; the left side of the air duct box 3 is bent downward at 90 degrees and then connected to the air drying box 4; the air drying box 4 is made into a rectangular cavity, and a diverter plate 5, an air uniforming plate 6 and an air outlet plate 7 are arranged in the inner cavity of the air drying box 4; the diverter plate 5 is fixedly installed in the middle and upper part of the inner cavity of the air drying box 4, as shown in FIG. Figure 2 As shown, the middle part of the diverter plate 5 is a solid plate 8, and both sides of the solid plate 8 are mesh plates 101 with dense first air outlet holes 91. The diverter plate 5 divides the upper part of the inner cavity of the air oven 4 into a diverter cavity 11; the uniform air plate 6 is fixedly installed in the middle and lower part of the inner cavity of the air oven 4, and the uniform air plate 6 is a mesh plate 102 with dense second air outlet holes 92. The second air outlet holes 92 on the uniform air plate 6 are staggered with the first air outlet holes 91 on the diverter plate 5. The uniform air plate 6

[0019] Together with the diverter plate 5, the middle part of the inner cavity of the air drying oven 4 is divided into a uniform air cavity 12; the air outlet plate 7 is fixedly installed at the bottom of the air drying oven 4, and the air outlet plate 7 is a mesh plate 103 provided with dense third air outlet holes 93, and the third air outlet holes 93 on the air outlet plate 7 are offset from the second air outlet holes 92 on the uniform air plate 6, and the air outlet plate 7 and the uniform air plate 6 together divide the lower part of the inner cavity of the air drying oven 4 into an air outlet cavity 13; the air drying device is installed in the glue dipping part of the production line, and the third air outlet holes 93 are directly opposite to the stick needles on the glue dipping mold, and the third air outlet holes 93 correspond to the stick needles one by one; generally, the diameter of the third air outlet hole 93 is set to 1_3 times the diameter of the hollow capsule; in this embodiment, the diameter of the third air outlet hole 93 is made to be 1.5 times the diameter of the hollow capsule.

[0020] Example 2.

[0021] On the basis of Example 1, a wind speed reduction device is provided in the air duct box 3, and the wind speed reduction device includes a plurality of speed reduction plates 14, and the speed reduction plates 14 are inclined in the direction away from the heater 2 and are fixedly installed in a row on the inner wall of the air duct box 3. At the same time, speed reduction plates 14 are installed on both symmetrical sides of the inner wall of the air duct box 3, and the rows of speed reduction plates 14 on the symmetrical sides extend into the gaps between the speed reduction plates 14 of each other; in this way, the overall wind speed can be effectively reduced.

[0022] The blower 1 is provided with a silencer box. The blower 1 is installed in the silencer box 15 . Air inlets 16 are provided on both sides of the silencer box 15 .

[0023] When in use, start the blower 1 and the heater 2 to generate hot air. The hot air is blown from the air duct box 3 through the speed reducer 13 to the air drying oven 4, and then is blocked by the solid plate 8 on the diverter plate 5 in the diverter cavity 11, and can only be turned to disperse to the four corners, and then is blown out from the mesh plate 10 to the uniform air chamber 12, thereby greatly slowing down the wind speed. Since the second air outlet 92 on the uniform air plate 6 is misaligned with the first air outlet 91 on the diverter plate 5, the hot air will be further evenly mixed in the uniform air chamber 12, so that the temperature of the hot air at the four corners and various positions in the air drying oven 4 is uniform, and the speed is uniform and slow. After being blown out through the third air outlet 93 on the air outlet plate 7, the hollow capsules on the glue dipping mold can obtain hot air with uniform temperature and moderate wind speed and be baked with hot air. Compared with the previous triangular oven uniform air structure, the uniform air effect has been greatly improved.

Claims

1. A flat-laying air drying device for producing hollow capsules, comprising a blower (1), a heater (2), an air duct box (3) and an air drying oven (4), wherein the right end of the air duct box (3) is fixedly connected to the heater (2), and the right side of the heater (2) is connected to the blower (1); the left side of the air duct box (3) is bent downward at 90° and connected to the air drying oven (4); characterized in that The air drying box (4) is a rectangular cavity, and a flow divider (5), an air uniform plate (6) and an air outlet plate (7) are provided in the inner cavity of the air drying box (4); the flow divider (5) is fixedly installed in the middle and upper part of the inner cavity of the air drying box (4); the middle part of the flow divider (5) is a solid plate (8), and both sides of the middle part are first mesh plates (101) with dense first air outlet holes (91); the flow divider (5) divides the upper part of the inner cavity of the air drying box (4) into a flow divider cavity (11); the air uniform plate (6) is fixedly installed in the middle and lower part of the inner cavity of the air drying box (4); the air uniform plate (6) is a second mesh plate (102) with dense second air outlet holes (92), The second air outlet holes (92) on the air uniform plate (6) are offset from the first air outlet holes (91) on the flow divider plate (5), and the air uniform plate (6) and the flow divider plate (5) together divide the middle part of the inner cavity of the air drying oven (4) into an air uniform cavity (12); the air outlet plate (7) is fixedly mounted on the bottom of the air drying oven (4), the air outlet plate (7) is a third mesh plate (103) provided with dense third air outlet holes (93), the third air outlet holes (93) on the air outlet plate (7) are offset from the second air outlet holes (92) on the air uniform plate (6), and the air outlet plate (7) and the air uniform plate (6) together divide the lower part of the inner cavity of the air drying oven (4) into an air outlet cavity (13).

2. The flat-laying air drying device for hollow capsule production according to claim 1 is characterized in that The air drying device is installed in the glue dipping section of the production line, the third air outlet holes (93) are directly opposite to the knitting needles on the glue dipping mould, and the third air outlet holes (93) correspond to the knitting needles one by one.

3. The flat-laying air drying device for hollow capsule production according to claim 2, characterized in that The diameter of the third air outlet hole (93) is 1 to 3 times the diameter of the hollow capsule.

4. The flat-laying air drying device for hollow capsule production according to claim 3 is characterized in that The air duct box (3) is provided with a wind speed reduction device, which includes a plurality of speed reduction plates (14). The speed reduction plates (14) are inclined in a direction away from the heater (2) and are fixedly mounted in a row on the inner wall of the air duct box (3). Speed ​​reduction plates (14) are mounted on two symmetrical sides of the inner wall of the air duct box (3), and the rows of speed reduction plates (14) on the two symmetrical sides extend into the gaps between the speed reduction plates (14) on the other side.

5. The flat-laying air drying device for hollow capsule production according to claim 4, characterized in that The blower (1) is installed in a muffler box (15), and air inlets (16) are provided on both sides of the muffler box (15).

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