CN110141997A - A Constant Temperature Double-Layer Overturning Oscillator - Google Patents

Abstract

The invention discloses a constant-temperature type double-layer overturning oscillator, which relates to the technical field of laboratory analysis and testing equipment, and includes a working box 1, a frame 16 inside the box, an upper-level overturning device, an upper-level overturning transmission system, a lower-level overturning device, and a lower-level overturning transmission System and electric control box 6; also includes the constant temperature system that is made of air conditioner 2 and heating assembly, and described air conditioner 2 is installed on the upper right outer surface of working box 1, and air conditioner 2 passes through its upper return air hole 20 and The air supply hole 31 of the bottom communicates with the inner cavity of the working box 1, and forms the air circulation in the box; the heating assembly includes more than one heating plate 17, which is installed in the lower part of the rear inner side of the working box 1; Control, light weight, small size, low production cost and other characteristics, it is suitable for the extraction test of samples in laboratories in tobacco, food, pharmaceutical, chemical and other industries.

Description

A Constant Temperature Double-Layer Overturning Oscillator

technical field

The invention relates to the technical field of laboratory analysis and detection equipment, in particular to a constant temperature double-layer flip oscillator.

Background technique

In the laboratory, the chemical analysis of various substances or the extraction test of harmful substances all need to put the sample into the test bottle, seal it and vibrate it before analysis or extraction. There are two main types of oscillators: horizontal and inverted. Most of the existing inverted oscillators are open, so that the extraction temperature cannot be controlled. Simultaneously, most of the fixtures used for clamping test bottles are made of solid materials, and these solid parts have large processing capacity, heavy weight and high production cost.

Chinese patent (patent application number 201220399301.2) discloses "a flip-type oscillator with uniform temperature and double-sided clamping", including a frame, a flip bracket, a spindle, a bottle clamping device, a heat preservation cover, a transmission mechanism and a motor, and a flip bracket Fixed on the main shaft, the main shaft is installed on the frame, the bottle clamping device is set on the turning bracket, the motor drives the main shaft through the transmission mechanism, the combination of the turning bracket and the bottle clamping device is set in the heat preservation cover, and the heat preservation cover is fixed on the frame , due to the change of the structure of the bottle clamping device on the flipping oscillator, the clamping of both sides of the test bottle is realized, which not only improves the clamping speed and reliability of the bottle clamping, but also increases the bottle clamping device clamping range. Due to the addition of a uniform temperature fan in the heat preservation cover, it can homogenize the heat energy emitted by the electric heater in the heat preservation chamber, reduce the temperature difference, and improve the test accuracy.

Another Chinese patent (patent application number 201620851974.5) discloses "a single-sided double-connected flip oscillator", including a frame, a main beam, a beam, controllers A and B, a servo motor, a drive shaft, a flip shaft, and a tension shaft , toothed belt, toothed roller, outer bottle fixture and inner bottle fixture; the frame consists of six main beams and a plurality of beams fixed to each other, and a four-layer overturning frame is arranged on the same layer. Shaft, the front end of the turning shaft is provided with an outer bottle fixture, and the inside of the frame of the turning shaft is symmetrically arranged with an inner bottle fixture; a controller A is arranged between the first layer and the second layer of turning frame, A controller B is provided between the third and fourth floor turning racks, and the servo motor and reducer drive the drive shaft to rotate through the toothed belt and the toothed roller; the new model drives the toothed belt and the toothed roller through the motor , synchronously drive multiple turning axes and inner and outer bottle fixtures to turn over, the structure is simple, the effect of batch oscillation is good, and the test results are more objective and accurate.

There is also a Chinese patent (patent application No. 201820985210.4) disclosed "a fully automatic flip-type oscillator", which includes an experimental box and a control box connected in one piece, and a flip bracket driven by a motor is arranged in the experiment box. The bottle clamping device is fixedly connected, and the bottle clamping device includes a clamping block, a locking screw and a locking knob. The locking screw is vertically fixed on the outer wall of the flip bracket, and the two ends of the clamping block in the length direction are provided with locking screws. Through the sliding hole, the locking screw passes through the sliding hole and is threadedly connected with the locking knob; the side of the clamping block facing the flip bracket is provided with a first clamping opening that is no more than a semicircle, and the first clamping opening is located in the two sliding holes In between, a second clamping opening symmetrical to the first clamping opening is opened on the outer side of the flip bracket.

Contents of the invention

The technical problem to be solved by the present invention is to provide an overturning oscillation device with controllable extraction temperature, light weight, small volume and low production cost.

In order to solve the above problems, the technical solution adopted by the present invention is to invent a constant temperature double-layer overturning oscillator, including a working box 1, a frame 16 in the box, an upper-level overturning device, an upper-level overturning transmission system, a lower-level overturning device, and a lower-level overturning device. Transmission system and electric control box 6;

(1) It also includes a constant temperature system composed of an air conditioner 2 and a heating assembly. The air conditioner 2 is installed on the upper right side of the work box 1, and the air conditioner 2 passes through the air return hole 20 on the top and the air supply hole on the bottom. 31 communicates with the inner cavity of the working box 1, and forms the air circulation in the box; the heating assembly includes more than one heating plate 17, which is installed on the middle and lower part of the rear inner side of the working box 1;

(2) The frame 16 in the box is installed in the working box 1, and the upper part and the upper part are respectively installed with the upper turning transmission system and the upper turning device, and the middle part is respectively installed with the upper turning driving system and the lower turning device; Be installed in the lower part of the right outer side of the working box 1, and install the lower floor overturning transmission system in it.

Described upper level turning device comprises upper level main shaft 11, upper level turning fixture 22 and a pair of upper level belt seat bearings 21; Described upper level belt seat bearings 21 are respectively installed on the left and right sides of the upper end of frame 16 in the box; Described upper level main shaft 11 wears After crossing the middle of the upper floor turning fixture 22, its two ends penetrate the upper floor belt seat bearing 21 respectively, and after its left end passes the upper floor belt seat bearing 21, connect the upper floor turning transmission system.

The upper flipping fixture 22 includes a bottle clip body 35, a pair of symmetrically identical upper and lower pressing blocks 33, a plurality of identical upper and lower pressing block locking handles 32 and an upper spindle 11; the bottle clip body 35 is a hollow sheet metal structure, There is more than one semicircular concave arc of the bottle clamp body at its upper and lower ends, and the pin 36 passes through the bottle clamp body 35 and the upper spindle 11 vertically to form a fixation; Upper and lower lock nuts 34 are respectively provided at the inner cavity of the inner cavity; the upper and lower pressing blocks 33 are hollow sheet metal structures, and a semicircular upper pressing block concave circle matching with the concave arc of the bottle clip body is opened at its lower end Arc, the upper and lower pressing block locking handles 32 pass through the upper and lower pressing blocks 33 and then screw into the upper and lower locking nuts 34 in the inner cavity of the bottle clip body 35 .

In the middle of the bottle clip body 35, the left and right sides of the inner cavity are provided with a shaft sleeve 37 for wearing the upper spindle 11, and the pin 36 passes vertically through the bottle clip body 35, the upper spindle 11 and the shaft sleeve 37 to form a fixation.

In the inner cavity of the bottle clamp body 35 , there is also provided a main shaft groove sleeve 38 with a “Xi” shape in cross-section, which fits the upper main shaft 11 and the shaft sleeve 37 .

Described lower floor turning device comprises lower floor main shaft 15, lower floor turning fixture 23 and a pair of lower floor turning bearings, and described lower floor turning fixture 23 is identical with upper floor turning fixture 22; The two ends pass through the lower floor turnover bearing embedded in the frame 16 middle part in the case respectively again, the upper floor turnover driving pulley in the upper floor turnover transmission system is installed on its left end, and the lower floor turnover driven pulley in the bottom floor turnover transmission system is installed on its right-hand side.

At the bottom of the lower turning device and the middle and lower parts of the frame 16 in the box, a liquid leakage collecting tray 18 is also provided.

The bottom of the leakage collection tray 18 is also provided with a leakage recovery assembly composed of a leakage recovery pipe 19 and a leakage recovery bucket 30, the leakage recovery pipe 19 is connected to the leakage collection tray 18, and the bottom is connected to the drain. Liquid recovery bucket 30.

The upper turning transmission system comprises an upper turning driven pulley 10, an upper turning tension pulley 13, an upper turning driving pulley 14 and an upper turning belt 12, and the upper turning driven pulley 10 is installed on the left end of the upper main shaft 11. The upper floor turnover driving pulley 14 is installed on the left end of the main shaft of the lower floor turning device, the upper floor turning tension pulley 13 is installed on the left outer side of the upper middle part of the frame 16 in the box, and the upper floor turning belt 12 is wrapped around the upper turning driven pulley. Between belt pulley 10, upper strata overturn tension pulley 13, upper strata overturn drive belt pulley 14.

Described lower floor turning transmission system comprises lower floor turning driven pulley 24, lower floor turning tension pulley 26, lower floor turning driving pulley 27, lower floor turning belt 25, lower floor main shaft 15 and reduction motor 29, and described lower floor turning driven pulley 24 is installed on Lower floor main shaft 15 right-hand sides, described lower floor overturns driving pulley 27 and is installed on the output shaft end of reduction motor 29, and described lower floor overturns tension pulley 26 and is installed on the right side of frame 16 middle and lower parts in the box, and described lower floor overturns belt 25 Winding is installed between the lower floor turning over driven belt pulley 24, the lower floor turning over tension belt pulley 26, the lower floor turning over driving belt pulley 27.

The constant temperature type double-layer flipping oscillator of the present invention adopts a constant temperature system composed of an air conditioner and a heating assembly, so the temperature in the working box can be controlled within a wide range and can be kept constant. At the same time, the upper and lower flipping fixtures adopt hollow sheet metal structure, so it is light in weight and small in size, and because of its small processing amount, its production cost is also low and the production cycle is also short.

Description of drawings

Fig. 1 is a front view schematic diagram of the present invention;

Fig. 2 is the main sectional schematic diagram of the present invention;

Fig. 3 is a left view partial sectional view of the present invention;

Fig. 4 is the left sectional schematic diagram along C-C axis of the present invention;

Fig. 5 is the right sectional schematic view of the present invention;

Fig. 6 is a partially enlarged schematic diagram of K of the present invention.

In the picture:

1 is the work box, 2 is the air conditioner, 3 is the door of the work box, 4 is the observation window, 5 is the control panel, 6 is the electric control box, 7 is the storage box door, 8 is casters, 9 is the reagent bottle, 10 is The upper turning driven pulley, 11 is the upper main shaft, 12 is the upper turning belt, 13 is the upper turning tension pulley, 14 is the upper turning driving pulley, 15 is the lower main shaft, 16 is the frame inside the box, 17 is the heating plate, 18 19 is the leaking liquid recovery pipe, 20 is the air return hole, 21 is the upper bearing with seat, 22 is the upper turning fixture, 23 is the lower turning fixture, 24 is the lower turning driven pulley, 25 is the lower turning Belt, 26 is the tensioning pulley of the lower floor turning, 27 is the driving pulley of the turning of the lower floor, 29 is the reduction motor, 30 is the leakage recovery bucket, 31 is the air supply hole, 32 is the locking handle of the upper and lower pressing blocks, and 33 is the upper and lower pressing blocks, 34 is lock nut up and down, and 35 is a bottle clip body, and 36 is a pin, and 37 is an axle sleeve, and 38 is a main shaft groove cover.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. The following description is by way of example, but the protection scope of the present invention should not be limited thereto.

The constant temperature type double-layer overturning oscillator of the present embodiment is composed of a working box 1, a frame in the box 16, an upper-level overturning device, an upper-level overturning transmission system, a lower-level overturning device, a lower-level overturning transmission system, an electric control box 6, and a constant temperature system and drain. liquid recovery device.

The working box 1 is a thin-walled box body, above the middle part of the inner cavity is a working room, and two working box doors 3 are opened in the corresponding front, and an observation window (4) is arranged on the working box door 3; the lower part of the inner cavity is The storage box is also provided with two storage box doors 7 .

Frame 16 in the box is a frame structure, is installed in the inner chamber of work box 1, and the inner left side of its left side and work box 1 leaves space, is used to install the upper floor turning transmission system; Its right side and work box 1 The inner right side of is close to;

The upper floor turning device is installed on the top of the frame 16 in the inner box of the work box 1, and is made of the upper floor main shaft 11, the upper floor turning fixture 22 and a pair of upper floor belt seat bearings 21 and axle sleeve 37, main shaft groove cover 38.

Two upper layer bearings with seats 21 are respectively installed on the left and right sides of the upper end of the frame 16 in the box. , and after its left end passes through the upper strata belt seat bearing 21, it connects the upper strata overturning transmission system.

The upper floor turning fixture 22 is made up of bottle clip body 35, two symmetrically identical upper and lower pressure blocks 33, twelve (the concave arc of the bottle clip body in this example is set to three, and each bottle clip body concave arc is correspondingly used with four Up and down pressing block locking handle 32) same upper and lower pressing block locking handle 32 and upper floor main shaft 11 constitute; Can be one or two or other number) semicircular bottle clip body concave arc (on the bottle clip body concave arc surface, also be provided with the flexible cushion not shown in the accompanying drawing); The upper and lower ends of the 35, the inner chambers of the left and right sides are also provided with upper and lower locking nuts 34 respectively; The two ends of this main shaft groove cover 38 (that is: the left and right sides in the middle of the bottle clamp body 35) are also sleeved with an axle sleeve 37, and the upper floor main shaft 11 passes through the main shaft groove cover 38 and the axle sleeve 37 in the bottle clamp body 35 inner cavity. The section of the shaft sleeve 37 can be the inner circle and the outer side or half of the inner circle and the outer side.

On the left and right sides in the middle of the bottle clamp body 35, the pin 36 vertically passes through the bottle clamp body 35, the main shaft groove cover 38, the shaft sleeve 37 and the upper main shaft 11, and the bottle clamp body 35, the main shaft groove cover 38, the shaft sleeve 37 and the upper layer The main shaft 11 is fixed as a whole.

Pressing block 33 also adopts hollow sheet metal structure up and down, has the semicircular upper pressing block concave arc supporting with bottle clip body concave arc at its lower end (on this upper pressing block concave arc surface, also be provided with the flexible pad not shown in the accompanying drawings); the upper and lower pressing block locking handles 32 pass through the upper and lower pressing blocks 33 and screw into the upper and lower locking nuts 34 in the bottle clamp body 35 inner cavity, and the bottle clamp body of two semicircles The concave circular arc and the concave circular arc of the upper pressing block form a complete circular arc, forming a fixation to the reagent bottle.

The upper turning transmission system is installed in the middle and upper part of the inner frame 16 of the working box 1, and is composed of the upper turning driven pulley 10, the upper turning tension pulley 13, the upper turning driving pulley 14 and the upper turning belt 12. The driven pulley 10 is installed on the left end of the upper floor main shaft 11, the upper floor overturns the driving pulley 14 and is installed on the left end of the main shaft of the lower floor overturning device, and the upper floor overturns the tension pulley 13 and is installed on the left outer side of the upper middle part of the frame 16 in the box, and the upper floor overturns the belt 12 are installed between the upper floor turning driven belt pulley 10, the upper floor turning tension belt pulley 13, and the upper floor turning driving belt pulley 14 around.

The lower floor turning device is installed in the middle part of the frame 16 in the inner box of the working box 1, and is composed of the lower floor main shaft 15, the lower floor turning fixture 23 and two lower floor turning bearings. The lower floor turning fixture 23 is the same as the upper floor turning fixture 22; After going out of the middle of the lower floor turning fixture 23, its two ends pass through the lower floor turning bearing (not shown in the accompanying drawings) embedded in the frame 16 middle part in the box respectively again, and the upper floor turning active in the upper turning transmission system is installed on its left end. Belt pulley 14, its right-hand side installs the lower floor turnover driven belt pulley in the lower floor turnover transmission system.

Electric control box 6 is installed in the right outer side bottom of work box 1, and lower floor turnover transmission system is installed in it.

The lower floor turnover transmission system is installed in the electric control box 6 of the rear lower part of the right outer side of the work box 1, and is composed of the lower floor turnover driven pulley 24, the lower floor turnover tension pulley 26, the lower floor turnover driving pulley 27, the lower floor turnover belt 25, Lower floor main shaft 15 and deceleration motor 29 constitute, and lower floor overturns driven belt pulley 24 and is installed in the right-hand member (that is: in the electric control box 6 outside work box 1 right side outside) of lower floor main shaft 15, and lower floor overturns driving pulley 27 and is installed in deceleration motor 29 ( This example adopts the motor of belt reducing device, also can adopt the output shaft end of servomotor or stepper motor etc.), and the lower floor flips tension pulley 26 and is installed on the right side of frame 16 middle and lower parts in the box (that is: work box 1 In the electric control box 6 outside the right side), the lower floor turnover belt 25 is wrapped between the lower floor turnover driven pulley 24, the lower floor turnover tension pulley 26, the lower floor turnover driving pulley 27.

The constant temperature system is made of air conditioner 2 and three (usually corresponding to the number of concave arcs of the bottle clamp body 35 with the bottle clamp body 35, also can adopt two or one or other quantity) heating plate 17 to form, air conditioner 2 Installed on the upper right outer surface of the working box 1, the air conditioner 2 communicates with the inner cavity of the working box 1 through the air return hole 20 on the upper part and the air supply hole 31 on the lower part, and forms the air circulation in the box; the heating plate 17 is installed on the working box The middle and lower parts of the rear inner surface of the box 1.

The liquid leakage recovery device is installed in the middle and lower parts of the frame 16 in the working box 1 (other remaining cavities are storage boxes), and is composed of a liquid leakage collection tray 18, a liquid leakage recovery pipe 19 and a liquid leakage recovery bucket 30 Composition, the leaking liquid collection tray 18 is installed in the lower part of the lower turnover device, the middle and lower part of the frame 16 in the box, and the bottom leaking liquid recovery bucket 30 is arranged at the bottom of the inner box of the working box 1, and the leaking liquid recovery pipe 19 is connected to the top. Liquid collection tray 18. If only adopt the leaking liquid collecting tray 18, instead of using the leaking liquid recovery pipe 19 and the leaking liquid recovery barrel 30, at this moment, the leaking liquid collecting tray 18 is a removable state, therefore, when the leaking liquid in the leaking liquid collecting tray 18 is collected When reaching a certain amount, the leakage collecting tray 18 can be taken out.

The electric control box 6 that is installed in the lower part of the right outer side of the working box 1 is provided with a control panel 5 on its front top. The control lines of air conditioner 2, heating plate 17 and geared motor 29 and the temperature probe (not shown in the accompanying drawings) that are arranged on the working box 1 are all connected in the control panel 5, and air conditioner 2, heating plate 17 and geared motor The control switch of 29 is also arranged on the control panel 5.

Before use, first open the work box door 3, unscrew the upper and lower pressing block locking handles 32, and insert the reagent bottle 9 with the sample installed into the concave arc of the two semicircular bottle clips and the concave circular arc of the upper pressing block. Arc forms in an arc hole, then tightens up and down pressing block locking handle 32, and reagent bottle 9 is fixed. Then, according to the type of sample, set the extraction temperature and time. At this point, the oscillation extraction can be started.

Open the starter switch of deceleration motor 29, deceleration motor 29 rotates, drives lower floor overturning driving pulley 27 to rotate, drives lower floor overturning driven pulley 24 to rotate by lower floor overturning belt 25, and then drives bottom overturning device to overturn (that is: drive and be installed in the downturn fixture Reagent bottle 9 on 23 turns over and oscillates), simultaneously, drives upper floor turning over driving pulley 14 to rotate through lower floor main shaft 15, and drives upper floor turning driven pulley 10 to rotate through upper floor turning belt 12, thereby drives upper floor turning fixture 22 to rotate, and then drives installation The reagent bottle 9 on the upper floor turning fixture 22 turns and oscillates.

When the extraction temperature is required to be lower than 35°C, the air conditioner 2 starts (at this time, the heating plate 17 does not need to be turned on), and the inner cavity of the working box 1 is connected through the return air hole 20 and the air supply hole 31, and the air flow in the box is formed. cycle to achieve constant temperature control.

When the extraction temperature is required to be higher than 35°C, do not start the air conditioner 2, only start the heating plate 17, let the heating plate 17 heat the inner cavity of the working box 1, and control the start and stop of the heating plate 17 through the temperature probe, so as to realize Constant temperature control inside the box.

The constant temperature type double-layer overturning oscillator of the present invention is suitable for the extraction test of samples in laboratories in industries such as tobacco, food, medicine and chemical industry.

Claims (10)

1. A constant temperature type double-layer overturning oscillator, comprising a working box (1), a frame in the box (16), an upper floor overturning device, an upper floor overturning transmission system, a lower floor overturning device, a lower floor overturning transmission system and an electric control box (6 ); characterized in that: (1) It also includes a constant temperature system composed of an air conditioner (2) and a heating assembly. The air conditioner (2) is installed on the top of the right outer surface of the work box (1), and the air conditioner (2) passes the return air from its upper part. The hole (20) and the lower air supply hole (31) communicate with the inner cavity of the working box (1), and form the air circulation in the box; the heating assembly includes more than one heating plate (17), installed in the working box (1 ) at the middle and lower part of the posteromedial surface; (2) The frame (16) in the box is installed in the working box (1), and the upper and lower turning transmission systems and the upper turning device are respectively installed on the left and right of the upper part, and the upper turning driving system and the lower turning device are respectively installed on the left and right of the middle part; Electric control box (6) is installed in the right outer side bottom of work box (1), and lower floor overturning transmission system is installed in it. 2. The constant temperature double-layer overturning oscillator according to claim 1, characterized in that: said upper overturning device comprises an upper main shaft (11), an upper overturning clamp (22) and a pair of upper bearings with seats (21); The upper bearings with seats (21) are respectively installed on the left and right sides of the upper end of the frame (16) in the box; after the upper main shaft (11) passes through the middle of the upper turning fixture (22), its two ends respectively penetrate into the After the upper strata bearing with seat (21), and its left end passes through the upper strata with seat (21), connect the upper strata overturning transmission system. 3. The constant temperature double-layer overturning oscillator according to claim 2, characterized in that: the upper overturning fixture (22) comprises a bottle clip (35), a pair of symmetrically identical upper and lower pressing blocks (33), multiple The same upper and lower pressing block locking handles (32) and the upper spindle (11); the bottle clamp body (35) is a hollow sheet metal structure, and more than one semicircular bottle clamp body is opened at its upper and lower ends. Concave circular arc, pin (36) vertically passes through bottle clip body (35) and upper strata main shaft (11), forms fixed; At the upper and lower ends of bottle clip body (35), the inner chamber place of left and right sides, also be respectively provided with Upper and lower locking nuts (34); the upper and lower pressing blocks (33) are hollow sheet metal structures, and a semicircular upper pressing block concave arc matching with the concave arc of the bottle clamp body is opened at its lower end. The briquetting locking handle (32) is screwed into the upper and lower locking nuts (34) in the bottle clip body (35) inner cavity after passing through the upper and lower briquetting blocks (33). 4. The constant temperature double-layer overturning oscillator according to claim 3, characterized in that: shafts for wearing the upper spindle (11) are provided at the left and right inner cavities in the middle of the bottle clamp (35) Cover (37), pin (36) vertically passes bottle clip body (35) and upper floor main shaft (11) and axle sleeve (37), forms fixing. 5. The constant temperature double-layer overturning oscillator according to claim 4, characterized in that: in the inner cavity of the bottle clip (35), there is also a "Xuan" shaped cross-section, the sleeve upper spindle (11 ) and the main shaft sleeve (38) of the shaft sleeve (37). 6. The constant temperature type double-layer overturning oscillator according to claim 5, characterized in that: said lower overturning device comprises a lower main shaft (15), a lower overturning fixture (23) and a pair of lower overturning bearings, said underside overturning The fixture (23) is the same as the upper flip fixture (22); after the lower spindle (15) passes through the middle of the lower flip fixture (23), its two ends go out and are embedded in the middle of the frame (16) in the box The lower floor turning bearing of the lower floor is installed with the upper floor turning driving pulley in the upper floor turning transmission system on its left end, and the lower floor turning driven pulley in the lower floor turning transmission system is installed on its right end. 7. constant temperature type double-layer overturning oscillator according to claim 6 is characterized in that: the bottom of described lower floor overturning device, the middle and lower part of frame (16) in the case, also be provided with leaking liquid collecting tray ( 18). 8. The constant temperature type double-layer overturning oscillator according to claim 7, characterized in that: the bottom of the leakage collecting tray (18) is also provided with a leakage recovery pipe (19) and a leakage recovery bucket ( 30) A leakage recovery assembly composed of, the leakage recovery pipe (19) is connected to the leakage collection plate (18) at the top and the leakage recovery bucket (30) at the bottom. 9. The constant temperature double-layer overturning oscillator according to claim 8, characterized in that: the upper overturning transmission system comprises an upper overturning driven pulley (10), an upper overturning tension pulley (13), an upper overturning driving pulley (14) and upper strata reversing belt (12), described upper strata reversing driven belt pulley (10) is installed on the left end of upper strata main shaft (11), and described upper strata reversing driving pulley (14) is installed in the left end of the main shaft of lower floor turning device, The upper turning tension pulley (13) is installed on the left outer side of the upper middle part of the frame (16) in the box, the upper turning belt (12) is wrapped around the upper turning driven pulley (10), the upper turning tension Between the belt pulley (13), the upper floor turns over the driving belt pulley (14). 10. The constant temperature double-layer overturning oscillator according to claim 9, characterized in that: the underturning transmission system comprises a downturning driven pulley (24), a downturning tension pulley (26), a downturning driving pulley (27), lower floor turning belt (25), lower floor main shaft (15) and decelerating motor (29), described lower floor turning over driven pulley (24) is installed on the right end of lower floor main shaft (15), described lower floor turning over driving pulley (27) ) is installed on the output shaft end of the deceleration motor (29), and the lower floor turning tension pulley (26) is installed on the right side of the lower part of the frame (16) in the box, and the lower floor turning belt (25) is wrapped around the Between the lower floor turnover driven pulley (24), the lower floor turnover tension pulley (26), the lower floor turnover driving pulley (27).