CN210832795U

CN210832795U - Heated air circulation oven of tablet production usefulness

Info

Publication number: CN210832795U
Application number: CN201921876093.9U
Authority: CN
Inventors: 江鸿
Original assignee: Jiangxi Shi Mei Pharmaceutical Ltd By Share Ltd
Current assignee: Jiangxi Shi Mei Pharmaceutical Ltd By Share Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-23
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a heated air circulation oven of tablet production usefulness, be the oven body that the opening set up including the top, the apron is installed in rotation of oven body's top one side, and apron screw-thread fastening is at oven body's top opposite side, and one side screw-thread fastening of oven body has the air heater, and this internal two play wind covers that are equipped with of oven, two play wind cover symmetry settings, and the air-out end of air heater extends to the oven originally internally and is linked together with two play wind covers in one. The utility model relates to a rationally, convenient operation, two settings that go out the fan housing are convenient for carry out heat transfer to the raw materials in many directions, reach the purpose of even stoving, the cooperation of drying cabinet, wind scooper and air heater for the heat has obtained cyclic utilization, has reached the thermal cycle, reduces thermal waste, improves thermal utilization ratio, and is convenient for in time reduce this internal atmospheric pressure of oven, reaches explosion-proof purpose, is favorable to using.

Description

Heated air circulation oven of tablet production usefulness

Technical Field

The utility model relates to a heated air circulation oven technical field especially relates to a heated air circulation oven of tablet production usefulness.

Background

The hot air circulation oven is used for heating, curing, drying and dehydrating materials in the industries of medicine, chemical industry, food, agricultural and sideline products, aquatic products, light industry and the like, such as raw materials, traditional Chinese medicine drinking water, extractum, powder, particles, dehydrated vegetables and the like.

But current heated air circulation oven's drying efficiency is poor, and current heated air circulation oven is when drying process to the raw materials, and the heat is blown to the raw materials to the folk prescription only, and then appears drying inhomogeneous phenomenon easily, and at the in-process of drying, the moisture heat of production directly discharges through the blast pipe, and then causes thermal scattering and disappearing, the energy is wasted, can not satisfy the user demand, therefore we have proposed a heated air circulation oven of tablet production usefulness and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hot air circulating oven for producing tablets.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hot air circulation oven for producing tablets comprises an oven body with an opening at the top, a cover plate is rotatably arranged on one side of the top of the oven body and is fastened on the other side of the top of the oven body in a threaded manner, an air heater is fixedly arranged on one side of the oven body in a threaded manner, two air outlet housings are arranged in the oven body and are symmetrically arranged, an air outlet end of the air heater extends into the oven body and is communicated with one of the two air outlet housings, two heating pipes are fixedly arranged on the inner wall of the bottom of the oven body and are positioned between the two air outlet housings, a first groove is formed in the inner wall of one side of the oven body, a first connecting pipe is fixedly sleeved in the first groove, one end of the first connecting pipe is arranged in a blocking structure, the other end of the first connecting pipe extends into the oven body and is communicated and fixed with the other air outlet housing, a second connecting pipe is, the first connecting pipe is communicated with the air outlet end of the air heater through a second connecting pipe, an H-shaped supporting frame positioned between two heating pipes is fixedly arranged on the inner wall of the bottom of the oven body, a placing box with an opening arranged at the top is movably contacted on the inner wall of the top of the H-shaped supporting frame, vent holes are respectively arranged on the inner walls of four sides and the inner wall of the bottom of the placing box, a plurality of first through holes are respectively arranged on the inner walls of two sides of the H-shaped supporting frame and communicated with the corresponding vent holes, a first air outlet pipe is arranged in the oven body, a drying box with an opening arranged at the top is fixedly arranged at the top of the cover plate, drying agents are filled in the drying box, a blocking cover is rotatably arranged on one side of the top of the drying box, the top end of the first air outlet pipe extends into the drying box, the cover plate is, a gap is formed between one side, close to the air heater, of the wind scooper and the air heater, one side, far away from the air heater, of the wind scooper is communicated and is fixed with a soft gas conveying pipe, one end, far away from the wind scooper, of the soft gas conveying pipe extends into the drying box, an explosion-proof valve is arranged in the drying box body and exposes a second air outlet pipe arranged in the drying box body, the top end of the second air outlet pipe extends to the upper portion of the cover plate, an installation block is fixedly arranged on the inner wall of one side of the second air outlet pipe, a conical rubber plug is movably sleeved in the second air outlet pipe, the top of the conical rubber plug extends to the upper portion of the second air outlet pipe, and a spring is fixedly connected between the.

Preferably, a first circular hole is formed in the inner wall of the other side of the oven body, the side wall of the first circular hole is fixedly connected with the outer side of the air outlet end of the air heater, a same U-shaped hole is formed between the inner wall of the bottom of the first circular hole and the bottom of the first groove, and the side wall of the U-shaped hole is fixedly connected with the outer side of the second connecting pipe.

Preferably, T-shaped sliders are fixedly mounted on two sides of the top of the placing box.

Preferably, a second circular hole is formed in the bottom of the cover plate, and the side wall of the second circular hole is fixedly connected with the outer side of the first air outlet pipe.

Preferably, the bottom of the cover plate is provided with a third circular hole, and the side wall of the third circular hole is fixedly connected with the outer side of the second air outlet pipe.

Preferably, a thread groove is formed in the other side of the top of the oven body, a T-shaped bolt is sleeved in the thread groove in a sleeved mode, and the cover plate is movably sleeved on the T-shaped bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

through the oven body, the cover plate, the air heater, the air outlet cover, the heating pipes, the H-shaped support frame, the first groove, the first connecting pipe, the placing box, the drying box, the soft gas conveying pipe, the first air outlet pipe, the second air outlet pipe, the mounting block, the conical rubber plug and the spring are matched with the air collecting cover, when the tablet raw material needs to be dried, the cover plate is opened, the raw material needing to be dried is placed into the placing box, the oven body is plugged by rotating the cover plate in the forward direction, then the air heater is started to firstly extract the outside gas, the extracted gas enters one air outlet cover and the second connecting pipe through the air outlet end of the air heater, the gas in the second connecting pipe enters the other air outlet cover through the first connecting pipe, the gas in the air outlet cover is blown onto the corresponding heating pipes, the heating pipes heat the blown gas, the heated gas enters the placing box through the first through holes and the ventilation holes to carry out heat transfer on the raw, the purpose of drying the raw material is achieved, meanwhile, moisture heat on the raw material enters the drying box through the first air outlet pipe to dry the moisture heat, the dry heat gas enters the air inlet end of the air heater through the soft air conveying pipe and the air guide cover, the gas extracted by the air heater is the dried heat gas at the moment, the extracted heat gas enters the oven body to continuously transfer heat to the raw material, the gas entering the oven body is heated more and more, further, the heat is recycled, when the heat in the oven body is excessive, the gas enters the second air outlet pipe to generate extrusion force to the conical rubber plug, the extrusion force drives the conical rubber plug to move upwards to generate a gap with the second air outlet pipe and stretch the spring, and the redundant gas in the oven body flows out through the gap between the conical rubber plug and the second air outlet pipe, the pressure is released along with the outflow of the gas, the air pressure in the oven body is restored to a forward state, and the elastic force of the spring drives the conical rubber plug to move downwards and plug the second air outlet pipe.

The utility model relates to a rationally, convenient operation, two settings that go out the fan housing are convenient for carry out heat transfer to the raw materials in many directions, reach the purpose of even stoving, the cooperation of drying cabinet, wind scooper and air heater for the heat has obtained cyclic utilization, has reached the thermal cycle, reduces thermal waste, improves thermal utilization ratio, and is convenient for in time reduce this internal atmospheric pressure of oven, reaches explosion-proof purpose, is favorable to using.

Drawings

Fig. 1 is a schematic structural diagram of a hot air circulation oven for producing tablets provided by the utility model;

fig. 2 is a schematic structural view of a part a of a hot air circulation oven for producing tablets, which is provided by the utility model;

fig. 3 is a perspective view of the H-shaped support frame of fig. 1.

In the figure: 1 oven body, 2 apron, 3 air heaters, 4 go out the fan, 5 heating pipes, 6H shape support frame, 7 first grooves, 8 first connecting pipes, 9 place the box, 10 dry box, 11 soft gas-supply pipes, 12 first play tuber pipes, 13 second play tuber pipes, 14 installation pieces, 15 toper rubber end cap, 16 springs, 17 wind scoopers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hot air circulation oven for producing tablets comprises an oven body 1 with an opening at the top, a cover plate 2 is rotatably installed at one side of the top of the oven body 1, the cover plate 2 is fastened at the other side of the top of the oven body 1 in a threaded manner, a hot air blower 3 is fixed at one side of the oven body 1 in a threaded manner, two air outlet housings 4 are arranged in the oven body 1, the two air outlet housings 4 are symmetrically arranged, the air outlet end of the hot air blower 3 extends into the oven body 1 and is communicated with one air outlet housing 4 of the two air outlet housings 4, two heating pipes 5 are fixedly installed on the inner wall of the bottom of the oven body 1, the two heating pipes 5 are positioned between the two air outlet housings 4, a first groove 7 is formed in the inner wall of one side of the oven body 1, a first connecting pipe 8 is fixedly sleeved in the first groove 7, one end of the first connecting pipe 8 is arranged in a blocking structure, the other end of, a second connecting pipe is embedded on the oven body 1, the first connecting pipe 8 is communicated with the air outlet end of the air heater 3 through the second connecting pipe, an H-shaped support frame 6 positioned between the two heating pipes 5 is fixedly installed on the inner wall of the bottom of the oven body 1, a placing box 9 with an opening at the top is movably contacted on the inner wall of the top of the H-shaped support frame 6, vent holes are respectively formed on the inner walls of four sides and the inner wall of the bottom of the placing box 9, a plurality of first through holes are respectively formed on the inner walls of two sides of the H-shaped support frame 6 and are communicated with the corresponding vent holes, a first air outlet pipe 12 is arranged in the oven body 1, a drying box 10 with an opening at the top is fixedly installed at the top of the cover plate 2, a drying box 10 is filled with drying agent, a blocking cover is rotatably installed on one side of the top of the drying box 10, the top end of the first air outlet, a wind guide cover 17 is fixedly arranged on one side of the air inlet end of the air heater 3 through four metal sheets, a gap is arranged between one side of the wind guide cover 17 close to the air heater 3 and the air heater 3, one side of the wind guide cover 17 far away from the air heater 3 is communicated and fixed with a soft gas pipe 11, one end of the soft gas pipe 11 far away from the wind guide cover 17 extends into the drying box 10, an explosion-proof valve is arranged in the drying box body 1 and exposes a second air outlet pipe 13 arranged in the drying box body 1, the top end of the second air outlet pipe 13 extends to the upper part of the cover plate 2, a mounting block 14 is fixedly arranged on the inner wall of one side of the second air outlet pipe 13, a conical rubber plug 15 is movably sleeved in the second air outlet pipe 13, the top part of the conical rubber plug 15 extends to the upper part of the second air outlet pipe 13, a spring 16 is fixedly connected between the bottom part of the conical rubber plug 15 and, convenient operation, two play fan housing 4's setting, the multi-direction of being convenient for carries out heat transfer to the raw materials, reaches the purpose of even stoving, and drying cabinet 10, wind scooper 17 and air heater 3's cooperation for the heat has obtained cyclic utilization, has reached the thermal cycle, reduces thermal waste, improves thermal utilization ratio, and is convenient for in time reduce the atmospheric pressure in the oven body 1, reaches blast proof purpose, is favorable to using.

In the utility model, a first circular hole is arranged on the inner wall of the other side of the oven body 1, the side wall of the first circular hole is fixedly connected with the outer side of the air outlet end of the air heater 3, the same U-shaped hole is arranged between the inner wall of the bottom of the first circular hole and the bottom of the first groove 7, the side wall of the U-shaped hole is fixedly connected with the outer side of the second connecting pipe, T-shaped pull heads are fixedly arranged on both sides of the top of the placing box 9, a second circular hole is arranged on the bottom of the cover plate 2, the side wall of the second circular hole is fixedly connected with the outer side of the first air outlet pipe 12, a third circular hole is arranged on the bottom of the cover plate 2, the side wall of the third circular hole is fixedly connected with the outer side of the second air outlet pipe 13, a thread groove is arranged on the other side of the top of the oven body 1, a, two play fan housing 4's setting is convenient for carry out heat transfer to the raw materials in multiple directions, reaches the purpose of even stoving, and drying cabinet 10, wind scooper 17 and air heater 3's cooperation for the heat has obtained cyclic utilization, has reached the thermal cycle, reduces thermal waste, improves thermal utilization ratio, and is convenient for in time reduce the atmospheric pressure in oven body 1, reaches explosion-proof purpose, is favorable to the use.

The working principle is as follows: when tablet raw materials are required to be dried, the T-shaped bolt is rotated, the T-shaped bolt is gradually moved out of the thread groove while rotating under the action of the thread groove, the cover plate 2 is rotated reversely, the cover plate 2 is rotated to one side of the oven body 1, the raw materials required to be dried are placed in the placing box 9, the cover plate 2 is rotated forwardly, the oven body 1 is plugged, the cover plate 2 is fixed again by rotating the T-shaped bolt, the hot air blower 3 is started, the hot air blower 3 firstly extracts outside air, the extracted air enters one air outlet cover 4 and a second connecting pipe through the air outlet end of the hot air blower 3, the air in the second connecting pipe enters the other air outlet cover 4 through the first connecting pipe 8, the air in the air outlet cover 4 is blown to the corresponding heating pipe 5, the heating pipe 5 heats the blown air, and the heated air enters the placing box 9 through the first through hole and the vent hole, the raw material in the placing box 9 is subjected to heat transfer, the two air outlet covers 4 are arranged, the raw material is blown in two directions simultaneously, the purpose of drying the raw material is achieved, meanwhile, moisture heat on the raw material enters the drying box 10 through the first air outlet pipe 12, the drying agent in the drying box 10 dries the moisture heat entering the drying box, the dried heat gas enters the air guide covers 17 through the soft air conveying pipes 11, the dried heat gas in the air guide covers 17 is blown into the air inlet end of the hot air blower 3, at the moment, the gas extracted by the hot air blower 3 is the dried heat gas, the extracted heat gas enters the oven body 1 to continue heat transfer on the raw material, the circulation extraction is carried out, the gas entering the oven body 1 is heated, the heat is recycled, the waste of the heat is reduced, and the heat circulation is achieved at the same time, the utilization rate of heat is improved;

when the heat in the oven body 1 is too much, when the air pressure in the oven body 1 is too large, the air enters the second air outlet pipe 13 and generates an extrusion force to the tapered rubber plug 15, the extruded force drives the tapered rubber plug 15 to move upwards, the tapered rubber plug 15 moves upwards while stretching the spring 16, the tapered rubber plug 15 moves upwards to gradually form a gap with the second air outlet pipe 13, the redundant air in the oven body 1 flows out through the gap between the tapered rubber plug 15 and the second air outlet pipe 13, the pressure is released along with the outflow of the air, the air pressure in the oven body 1 is restored to a positive state, the spring 16 in a stretching state resets, the elastic force of the spring 16 drives the tapered rubber plug 15 to move downwards and block the second air outlet pipe 13, and the explosion-proof purpose is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hot air circulation oven for producing tablets comprises an oven body (1) with an opening at the top, and is characterized in that a cover plate (2) is rotatably arranged on one side of the top of the oven body (1), the cover plate (2) is fastened on the other side of the top of the oven body (1) in a threaded manner, an air heater (3) is fixedly arranged on one side of the oven body (1) in a threaded manner, two air outlet housings (4) are arranged in the oven body (1), the two air outlet housings (4) are symmetrically arranged, an air outlet end of the air heater (3) extends into the oven body (1) and is communicated with one air outlet housing (4) of the two air outlet housings (4), two heating pipes (5) are fixedly arranged on the inner wall of the bottom of the oven body (1), the two heating pipes (5) are positioned between the two air outlet housings (4), a first groove (7) is formed in the inner wall of one side of, a first connecting pipe (8) is fixedly sleeved in the first groove (7), one end of the first connecting pipe (8) is arranged to be a blocking structure, the other end of the first connecting pipe (8) extends into the oven body (1) and is communicated and fixed with the other air outlet cover (4), a second connecting pipe is embedded on the oven body (1), the first connecting pipe (8) is communicated with the air outlet end of the air heater (3) through the second connecting pipe, an H-shaped supporting frame (6) positioned between the two heating pipes (5) is fixedly installed on the inner wall of the bottom of the oven body (1), a placing box (9) with an opening at the top is movably contacted on the inner wall of the top of the H-shaped supporting frame (6), vent holes are respectively formed on the inner walls of the four sides and the inner wall of the placing box (9), a plurality of first through holes are respectively formed on the inner walls of the two sides of the H-shaped supporting frame (6), and the first, a first air outlet pipe (12) is arranged in the oven body (1), a drying box (10) with an opening at the top is fixedly installed at the top of the cover plate (2), a drying agent is filled in the drying box (10), a blocking cover is rotatably installed on one side of the top of the drying box (10), the top end of the first air outlet pipe (12) extends into the drying box (10), the cover plate (2) is fixedly sleeved on the drying box (10), an air guide cover (17) is fixedly installed on one side of the air inlet end of the air heater (3) through four metal sheets, a gap is formed between one side of the air guide cover (17) close to the air heater (3) and the air heater (3), one side of the air guide cover (17) far away from the air heater (3) is communicated and fixedly provided with a soft air conveying pipe (11), one end of the soft air conveying pipe (11) far away from the air guide cover (17) extends into the drying box (10), an explosion, explosion-proof valve exposes second play tuber pipe (13) of setting in oven body (1), and the top that the second goes out tuber pipe (13) extends to the top of apron (2), and fixed mounting has installation piece (14) on the one side inner wall of second play tuber pipe (13), and second play tuber pipe (13) internalization cover is equipped with toper rubber end cap (15), and the top of toper rubber end cap (15) extends to the top that the second goes out tuber pipe (13), fixedly connected with spring (16) between the bottom of toper rubber end cap (15) and the top of installation piece (14).

2. The hot air circulation oven for producing tablets as claimed in claim 1, wherein a first circular hole is formed in the inner wall of the other side of the oven body (1), the side wall of the first circular hole is fixedly connected with the outer side of the air outlet end of the air heater (3), a same U-shaped hole is formed between the inner wall of the bottom of the first circular hole and the bottom of the first groove (7), and the side wall of the U-shaped hole is fixedly connected with the outer side of the second connecting pipe.

3. The heated air circulation oven for producing tablets as claimed in claim 1, characterized in that T-shaped sliders are fixedly mounted on both sides of the top of the placing box (9).

4. The hot air circulation oven for producing tablets as claimed in claim 1, wherein the bottom of the cover plate (2) is provided with a second circular hole, and the side wall of the second circular hole is fixedly connected with the outer side of the first air outlet pipe (12).

5. The hot air circulation oven for producing tablets as claimed in claim 1, wherein the bottom of the cover plate (2) is provided with a third circular hole, and the side wall of the third circular hole is fixedly connected with the outer side of the second air outlet pipe (13).

6. The hot air circulation oven for producing tablets as claimed in claim 1, wherein a thread groove is formed in the other side of the top of the oven body (1), a T-shaped bolt is sleeved in the thread groove, and the cover plate (2) is movably sleeved on the T-shaped bolt.