阅读说明：本技术 一种用于实验室的双缸循环型料液混合机 (Double-cylinder circulating feed liquid mixer for laboratory ) 是由 林健 于 2021-01-18 设计创作，主要内容包括：本发明公开了一种用于实验室的双缸循环型料液混合机,属于料液混合技术领域,一种用于实验室的双缸循环型料液混合机,包括机架、间歇进料组件、左右往复运动机构、传动机构、搅拌器、连接板、料液混合箱、第一缸体、第一活塞、第二缸体、第二活塞、连接杆、推杆、第一密封件,第一循环管、第二循环管、第三循环管、第一单向阀、第二单向阀、第三单向阀、以及第四单向阀。本发明的用于实验室的双缸循环型料液混合机,能对料液进行循环混合,混合效果佳,并且通过循环过程中料液的流动实现自动间歇进料,能耗低,投放量偏差小。(The invention discloses a double-cylinder circulation type material liquid mixing machine for a laboratory, which belongs to the technical field of material liquid mixing and comprises a rack, an intermittent feeding assembly, a left-right reciprocating mechanism, a transmission mechanism, a stirrer, a connecting plate, a material liquid mixing box, a first cylinder body, a first piston, a second cylinder body, a second piston, a connecting rod, a push rod, a first sealing element, a first circulation pipe, a second circulation pipe, a third circulation pipe, a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve. The double-cylinder circulation type feed liquid mixer for the laboratory can circularly mix feed liquid, has good mixing effect, realizes automatic intermittent feeding through the flow of the feed liquid in the circulation process, and has low energy consumption and small deviation of the input amount.)

1. The utility model provides a double-cylinder circulation type feed liquid mixes machine for laboratory which characterized in that:

the intermittent feeding device comprises a rack, an intermittent feeding assembly, a left-right reciprocating mechanism, a transmission mechanism, a stirrer, a connecting plate, a material liquid mixing box, a first cylinder body, a first piston, a second cylinder body, a second piston, a connecting rod, a push rod, a first sealing element, a first circulating pipe, a second circulating pipe, a third circulating pipe, a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve;

the bottom is fixed with first cylinder body and second cylinder body in the frame, the second cylinder body is located the right side of first cylinder body, the inside of first cylinder body is equipped with first piston, first piston with first cylinder body sliding fit, the inside of second cylinder body is equipped with the second piston, the second piston with second cylinder body sliding fit gets into liquid in the first cylinder body is located the left side of first piston gets into liquid in the second cylinder body is located the right side of second piston, the left end of connecting rod is passed the right side wall of first cylinder body extends to the inside of first cylinder body with the right side wall fixed connection of first piston, the right-hand member of connecting rod is passed the left side wall of second cylinder body extends to the inside of second cylinder body with the left side wall fixed connection of second piston, the left end of push rod is passed the right side wall of second cylinder body extends to the inside of second cylinder body with the inside of second piston with the right side wall fixed connection of second piston The right side wall is fixedly connected, a first sealing element is arranged between the second cylinder body and the push rod, and the right end of the push rod is fixedly connected with the left-right reciprocating mechanism;

a connecting plate is fixed between the first cylinder body and the second cylinder body, a feed liquid mixing box is fixed at the top of the connecting plate, a first circulating pipe is fixedly communicated with the left side wall of the first cylinder body, a first one-way valve is arranged on the first circulating pipe, the liquid outlet end of the first circulating pipe is fixedly communicated with the left side wall of the feed liquid mixing box, a second circulating pipe is fixedly communicated with the lower part of the right side wall of the feed liquid mixing box, the liquid outlet end of the second circulating pipe is fixedly communicated with the right side wall of the second cylinder body, a second one-way valve is arranged on the second circulating pipe, the liquid inlet end of the third circulating pipe is fixedly communicated with the right side wall of the second cylinder body, a third one-way valve is arranged at the liquid inlet end, the liquid outlet end of the third circulating pipe is fixedly communicated with the left side wall of the first cylinder body, and a fourth one-way valve;

the feed inlet of the intermittent feeding assembly is fixedly communicated with the top wall of the feed liquid mixing box, and a part of the intermittent feeding assembly extends to the interior of the first circulating pipe;

the stirring end of agitator passes the right side wall of feed liquid mixing box extends to the inside of feed liquid mixing box, be connected through the drive mechanism transmission between agitator and the left and right sides reciprocating motion mechanism.

2. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

the intermittent feeding assembly comprises a feeding barrel, a material separating hopper, a stop block, a guide rod, a guide sleeve, a spring, a ball, a first bearing seat, a first rotating shaft, a second sealing element, an impeller and a push column;

the feed barrel is fixedly communicated with the left side of the top of the feed liquid mixing box, a separation hopper is fixed inside the feed barrel, the inner space of the feed barrel above the separation hopper is used for storing solid raw materials, a feed opening is formed in the bottom of the separation hopper, a guide sleeve is fixed at the bottom of the feed barrel, a ball is fixed at the bottom end of the guide rod, the top end of the guide rod penetrates through the guide sleeve and the feed opening and extends to the inside of the separation hopper, a stop block is fixed at the inner part of the separation hopper and blocks the feed opening, the top end of a spring is fixedly connected to the bottom of the guide sleeve, the bottom end of the spring is fixedly connected to the top of the ball, the spring is arranged around the guide rod, a first bearing seat is fixed on the top wall of a first circulating pipe below the ball, and an impeller is fixed inside the first circulating pipe after the bottom end of the first rotating shaft penetrates through the first bearing seat, the top end of the first rotating shaft is fixed with a push column, the top of the push column is provided with an inclined plane, the ball body is in contact fit with the inclined plane, and a second sealing element is arranged between the first rotating shaft and the first circulating pipe.

3. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

the left-right reciprocating mechanism comprises a motor, a second rotating shaft, a rotating rod, a swinging rod, a sliding rail and a sliding block;

a slide rail is fixed on the bottom wall inside the rack, the slide rail is positioned on the right side of the second cylinder body, a slide block is connected to the front side of the slide rail in a sliding manner, and the left end of the slide block is fixedly connected with the right end of the push rod;

the inside right side wall of frame is fixed with the motor, the front end of motor is fixed with the second pivot, be fixed with the bull stick in the second pivot, the outer end of bull stick articulates there is the swinging arms, the left end of swinging arms with the slider is articulated to be connected.

4. The double cylinder circulation type feed liquid mixer for laboratory according to claim 3, wherein:

the stirrer comprises a stirring blade, a stirring shaft, a second bearing seat, a third bearing seat and a third sealing element;

the right side wall of feed liquid mixing box is fixed with the secondary shaft bearing, the inside roof of frame is fixed with the third bearing seat, the left end of (mixing) shaft passes the right side wall of secondary shaft bearing and feed liquid mixing box, and extend to the inside of feed liquid mixing box is fixed with stirring vane, be equipped with the third sealing member between (mixing) shaft and the feed liquid mixing box, the right-hand member of (mixing) shaft passes the third bearing seat.

5. The double circulation type feed liquid mixer for laboratory according to claim 4, wherein:

the transmission mechanism comprises a first bevel gear, a second bevel gear, a fourth bearing seat, a third rotating shaft, a driving wheel, a driven wheel and a belt;

a first bevel gear is fixed at the front end of the second rotating shaft and is positioned at the front side of the rotating rod;

a fourth bearing seat is fixed on the bottom wall inside the rack, a second bevel gear is fixed at the right end of the third rotating shaft, the second bevel gear is meshed with the first bevel gear, and a driving wheel is fixed at the left end of the third rotating shaft, penetrates through the fourth bearing seat;

the right end of the stirring shaft is fixedly provided with a driven wheel, and the driven wheel is in transmission connection with the driving wheel through a belt.

6. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

the liquid outlet end of the first circulating pipe is arranged in a downward inclined mode, and the liquid inlet end of the second circulating pipe is arranged in a downward inclined mode.

7. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

the device also comprises a collecting pipe, a first calandria, a second calandria, a first valve, a second valve, a third valve and a fourth valve;

the left end of the collecting pipe is fixedly communicated below the left side wall of the first cylinder body, and a first valve is arranged close to the joint;

the right end of the collecting pipe is fixedly communicated with the lower part of the right side wall of the second cylinder body, and a second valve is arranged close to the joint;

the collecting pipe is communicated with the third circulating pipe through a first exhaust pipe, and a third valve is arranged on the first exhaust pipe;

the top of the third circulating pipe is fixedly communicated with a second calandria, and a fourth valve is arranged on the second calandria.

8. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

be equipped with first sliding sleeve between the right side wall of connecting rod and first cylinder body, first sliding sleeve is fixed in the right side wall of first cylinder body, be equipped with the second sliding sleeve between the left side wall of connecting rod and second cylinder body, the second sliding sleeve is fixed in the left side wall of second cylinder body.

9. The double circulation type feed liquid mixer for laboratory according to claim 1, wherein:

the top center position of feed liquid mixing box is fixed intercommunication has the feed liquor pipe.

10. The double cylinder circulation type feed liquid mixer for laboratory according to claim 3, wherein:

the motor is a servo motor.

Technical Field

The invention belongs to the technical field of material liquid mixing, and particularly relates to a double-cylinder circulating material liquid mixer for a laboratory.

Background

In a university laboratory, it is often necessary to mix a solid particulate material with a liquid for experimental purposes. And need carry out the intermittent type to solid particle material in the experiment and put in often, solid particle material input volume deviation should not be too big, and the manual input of artifical visual is mostly adopted in current laboratory, and not only troublesome, and input volume deviation is big in addition, in order to solve the problem that input deviation is big, puts in according to time after the solid particle material has been weighed in advance to current adoption, and this kind of way is to dyeing has been solved and has been put in the big problem of volume deviation, and is more troublesome, and experimental efficiency is low. And quantitative feeding is also carried out by adopting equipment which needs to be driven by power, such as a dosing pump and the like, so that the cost is high and the energy consumption is high. And the existing feed liquid mixer only carries out single-time and single-mode mixing, and the feed liquid mixing effect is poor, so that the test requirements are difficult to achieve.

Disclosure of Invention

The invention aims to provide a double-cylinder circulation type feed liquid mixer for a laboratory, which can be used for circularly mixing feed liquid, has a good mixing effect, realizes automatic intermittent feeding through the flow of the feed liquid in the circulation process, and has low energy consumption and small deviation of the input amount.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a double-cylinder circulation type feed liquid mixer for a laboratory, which comprises a rack, an intermittent feeding assembly, a left-right reciprocating mechanism, a transmission mechanism, a stirrer, a connecting plate, a feed liquid mixing box, a first cylinder body, a first piston, a second cylinder body, a second piston, a connecting rod, a push rod, a first sealing element, a first circulating pipe, a second circulating pipe, a third circulating pipe, a first check valve, a second check valve, a third check valve and a fourth check valve, wherein the bottom in the rack is fixedly provided with the first cylinder body and the second cylinder body, the second cylinder body is positioned on the right side of the first cylinder body, the first piston is arranged in the first cylinder body and is in sliding fit with the first cylinder body, the second piston is arranged in the second cylinder body and is in sliding fit with the second cylinder body, liquid entering the first cylinder body is positioned on the left side of the first piston, liquid entering the second cylinder body is positioned on the right side of the second piston, the left end of the connecting rod passes through the right side wall of the first cylinder body and extends to the inside of the first cylinder body to be fixedly connected with the right side wall of the first piston, the right end of the connecting rod passes through the left side wall of the second cylinder body and extends to the inside of the second cylinder body to be fixedly connected with the left side wall of the second piston, the left end of the push rod passes through the right side wall of the second cylinder body and extends to the inside of the second cylinder body to be fixedly connected with the right side wall of the second piston, a first sealing element is arranged between the second cylinder body and the push rod, the right end of the push rod is fixedly connected with the left-right reciprocating mechanism, a connecting plate is fixed between the first cylinder body and the second cylinder body, a feed liquid mixing box is fixed at the top of the connecting plate, a first circulating pipe is fixedly communicated with the left side wall of the first cylinder body, a first one-way valve is arranged on the first circulating pipe, the liquid outlet end of the first circulating pipe is fixedly, the liquid outlet end of the second circulating pipe is fixedly communicated with the right side wall of the second cylinder body, the second circulating pipe is provided with a second one-way valve, the liquid inlet end of the third circulating pipe is fixedly communicated with the right side wall of the second cylinder body, the liquid inlet end of the third circulating pipe is provided with a third one-way valve, the liquid outlet end of the third circulating pipe is fixedly communicated with the left side wall of the first cylinder body, the liquid outlet end of the third circulating pipe is provided with a fourth one-way valve, the feed inlet of the intermittent feeding assembly is fixedly communicated with the top wall of the material liquid mixing box, a part of the intermittent feeding assembly extends into the first circulating pipe, the stirring end of the stirrer penetrates through the right side wall of the material liquid mixing box and extends into the material liquid mixing box, and the stirrer is in transmission.

Preferably, the intermittent feeding subassembly includes the feedwell, separate the hopper, the dog, the guide arm, the guide pin bushing, a spring, the spheroid, first bearing, first pivot, the second sealing member, the impeller, and the pushing ram, the feedwell is fixed to be communicated in the left side at feed liquid mixing box top, the inside of feedwell is fixed with and separates the hopper, the inner space that separates the feedwell of hopper top is used for depositing solid raw materials, the feed opening has been seted up to the bottom that separates the hopper, the bottom of feedwell is fixed with the guide pin bushing, the bottom mounting of guide arm has the spheroid, the top of guide arm passes guide pin bushing and feed opening and extends to the inside that separates the hopper and is fixed with the dog, the dog blocks up the feed opening, the top fixed connection in the bottom of guide pin bushing of spring, the bottom mounting of spring is in spheroidal top, the spring encircles the guide arm setting, the roof of the first circulating pipe of spheroid below is fixed with first bearing, the bottom mounting of first pivot passes top first bearing and the The impeller, the top of first pivot is fixed with the push column, and the top of push column has the inclined plane, and the spheroid contacts cooperation with the inclined plane, is equipped with the second sealing member between first pivot and the first circulating pipe.

Preferably, left and right reciprocating motion mechanism includes the motor, the second pivot, the bull stick, the swinging arms, a slide rail, and the slider, the inside diapire of frame is fixed with the slide rail, the slide rail is located the right side of second cylinder body, the front side sliding connection of slide rail has the slider, the left end of slider and the right-hand member fixed connection of push rod, the inside right side wall of frame is fixed with the motor, the front end of motor is fixed with the second pivot, be fixed with the bull stick in the second pivot, the outer end of bull stick articulates there is the swinging arms, the left end and the slider of swinging arms articulate and are connected.

Preferably, the agitator includes stirring vane, (mixing) shaft, second bearing frame, third bearing frame, and third sealing member, and the right side wall of feed liquid mixing box is fixed with the second bearing frame, and the inside roof of frame is fixed with the third bearing frame, and the left end of (mixing) shaft passes the right side wall of second bearing frame and feed liquid mixing box, and extends to the inside of feed liquid mixing box and is fixed with stirring vane, is equipped with the third sealing member between (mixing) shaft and the feed liquid mixing box, and the right-hand member of (mixing) shaft passes the third bearing frame.

Preferably, the transmission mechanism comprises a first bevel gear, a second bevel gear, a fourth bearing seat, a third rotating shaft, a driving wheel, a driven wheel and a belt, the first bevel gear is fixed at the front end of the second rotating shaft and located on the front side of the rotating rod, the fourth bearing seat is fixed on the bottom wall inside the rack, the second bevel gear is fixed at the right end of the third rotating shaft and meshed with the first bevel gear, the driving wheel is fixed at the left end of the third rotating shaft penetrating through the fourth bearing seat, the driven wheel is fixed at the right end of the stirring shaft, and the driven wheel is in transmission connection with the driving wheel through the belt.

Preferably, the liquid outlet end of the first circulating pipe is arranged in a downward inclination mode, and the liquid inlet end of the second circulating pipe is arranged in a downward inclination mode.

Preferably, the cylinder further comprises a collecting pipe, a first pipe, a second pipe, a first valve, a second valve, a third valve and a fourth valve, wherein the left end of the collecting pipe is fixedly communicated with the lower portion of the left side wall of the first cylinder body, the first valve is arranged close to the joint, the right end of the collecting pipe is fixedly communicated with the lower portion of the right side wall of the second cylinder body, the second valve is arranged close to the joint, the collecting pipe is communicated with the third circulating pipe through the first pipe, the third valve is arranged on the first pipe, the second pipe is fixedly communicated with the top of the third circulating pipe, and the fourth valve is arranged on the second pipe.

Preferably, a first sliding sleeve is arranged between the connecting rod and the right side wall of the first cylinder body, the first sliding sleeve is fixed on the right side wall of the first cylinder body, a second sliding sleeve is arranged between the connecting rod and the left side wall of the second cylinder body, and the second sliding sleeve is fixed on the left side wall of the second cylinder body.

Preferably, the top center position of the feed liquid mixing box is fixedly communicated with a feed liquid pipe.

Preferably, the motor is a servo motor.

The invention has the beneficial effects that:

1. the material liquid is circularly mixed among the first cylinder body, the second cylinder body and the material liquid mixing box, and the mixing effect is good; in addition, the intermittent feeding assembly is subjected to intermittent feeding through the flowing of the feed liquid in the feed liquid circulating process, the kinetic energy generated by the flowing of the feed liquid is skillfully utilized to provide driving force for the intermittent feeding assembly, intermittent feeding can be realized without additional electric driving, and compared with manual feeding through manual visual observation, the feeding amount deviation is small; when the left-right reciprocating mechanism pushes the push rod to do left-right reciprocating motion, the stirrer is enabled to perform stirring operation through the matching of the left-right reciprocating mechanism and the transmission mechanism, and the experimental liquid and the experimental solid particle material are stirred and mixed in the material liquid mixing box, so that the mixing effect is improved; the whole machine only needs one motor to drive, no redundant electrical elements are needed, and the energy consumption is low.

2. Through the combination of the double-cylinder circulation mixing mode and the stirring mixing mode, the mixing effect is better.

3. The arrangement of the first sliding sleeve and the second sliding sleeve improves the stability of the movement process of the first piston and the second piston.

4. The motor is servo motor, can accurate control rotational speed, can adjust according to the actual operation demand.

Drawings

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

Fig. 2 is a front view structural schematic diagram of the left-right reciprocating mechanism of the present invention.

Fig. 3 is a schematic view of the matching structure of the transmission mechanism and the second rotating shaft.

FIG. 4 is a schematic view of the cooperative arrangement of the intermittent feed assembly, the first circulation tube, and the feed liquid mixing box of the present invention.

Fig. 5 is an enlarged schematic view of a in fig. 4.

Fig. 6 is an enlarged schematic view of B in fig. 4.

Fig. 7 is a partial front view structure diagram of the present invention.

The labels in the figures are: 1-a frame, 2-a connecting plate, 3-a material liquid mixing box, 4-a first cylinder, 5-an intermittent feeding component, 51-a feeding barrel, 52-a separating hopper, 53-a block, 54-a guide rod, 55-a guide sleeve, 56-a spring, 57-a sphere, 58-a first bearing seat, 59-a first rotating shaft, 510-a second sealing element, 511-an impeller, 512-a pushing column, 513-a discharging opening, 6-a left-right reciprocating mechanism, 61-a motor, 62-a second rotating shaft, 63-a rotating rod, 64-a swinging rod, 65-a sliding rail, 66-a sliding block, 7-a transmission mechanism, 71-a first bevel gear, 72-a second bevel gear, 73-a fourth bearing seat, 74-a third rotating shaft and 75-a driving wheel, 76-driven wheel, 77-belt, 8-stirrer, 81-stirring blade, 82-stirring shaft, 83-second bearing seat, 84-third bearing seat, 85-third sealing element, 9-first piston, 10-second cylinder, 11-second piston, 12-connecting rod, 13-push rod, 14-first sealing element, 15-first circulating pipe, 16-second circulating pipe, 17-third circulating pipe, 18-first check valve, 19-second check valve, 20-third check valve, 21-fourth check valve, 22-collecting pipe, 23-first exhaust pipe, 24-second exhaust pipe, 25-first valve, 26-second valve, 27-third valve, 28-fourth valve, 29-first sliding sleeve, 30-a second sliding sleeve, 31-a liquid inlet pipe.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 7, the double-cylinder circulation type feed-liquid mixer for laboratory provided in this embodiment includes a frame 1, an intermittent feeding assembly 5, a left-right reciprocating mechanism 6, a transmission mechanism 7, a stirrer 8, a connecting plate 2, a feed-liquid mixing tank 3, a first cylinder 4, a first piston 86, a second cylinder 10, a second piston 11, a connecting rod 12, a push rod 13, a first sealing member 14, a first circulating pipe 15, a second circulating pipe 16, a third circulating pipe 17, a first check valve 18, a second check valve 19, a third check valve 20, and a fourth check valve 21, the first cylinder 4 and the second cylinder 10 are fixed to the bottom of the frame 1, the second cylinder 10 is located at the right side of the first cylinder 4, the first piston 86 is provided inside the first cylinder 4, the first piston 86 is slidably fitted to the first cylinder 4, the second piston 11 is provided inside the second cylinder 10, the second piston 11 is in sliding fit with the second cylinder 10, the liquid entering the first cylinder 4 is located on the left side of the first piston 86, the liquid entering the second cylinder 10 is located on the right side of the second piston 11, the left end of the connecting rod 12 passes through the right side wall of the first cylinder 4 and extends into the first cylinder 4 to be fixedly connected with the right side wall of the first piston 86, the right end of the connecting rod 12 passes through the left side wall of the second cylinder 10 and extends into the second cylinder 10 to be fixedly connected with the left side wall of the second piston 11, the left end of the push rod 13 passes through the right side wall of the second cylinder 10 and extends into the second cylinder 10 to be fixedly connected with the right side wall of the second piston 11, a first sealing element 14 is arranged between the second cylinder 10 and the push rod 13, the right end of the push rod 13 is fixedly connected with the left-right reciprocating mechanism 6, a connecting plate 2 is fixed between the first cylinder 4 and the second cylinder 10, a feed-liquid mixing tank 3 is fixed on the top of the first cylinder 4 and the second cylinder 10, a first circulating pipe 15 is fixedly communicated with the left side wall of the first cylinder body 4, a first one-way valve 18 is arranged on the first circulating pipe 15, the liquid outlet end of the first circulating pipe 15 is fixedly communicated with the left side wall of the material liquid mixing box 3, a second circulating pipe 16 is fixedly communicated with the lower part of the right side wall of the material liquid mixing box 3, the liquid outlet end of the second circulating pipe 16 is fixedly communicated with the right side wall of the second cylinder body 10, a second one-way valve 19 is arranged on the second circulating pipe 16, the liquid inlet end of the third circulating pipe 17 is fixedly communicated with the right side wall of the second cylinder body 10, a third one-way valve 20 is arranged at the liquid inlet end, the liquid outlet end of the third circulating pipe 17 is fixedly communicated with the left side wall of the first cylinder body 4, a fourth one-way valve 21 is arranged at the liquid outlet end, the material inlet of the intermittent material feeding component 5 is fixedly communicated with the top wall of the material liquid mixing box, the stirring end of the stirrer 8 penetrates through the right side wall of the material liquid mixing box 3 and extends to the inside of the material liquid mixing box 3, the stirrer 8 and the left-right reciprocating mechanism 6 are in transmission connection through a transmission mechanism 7, and the top center of the material liquid mixing box 3 is fixedly communicated with a material inlet pipe 31. Through the arrangement of the first check valve 18 and the fourth check valve 21, the feed liquid in the first cylinder 4 can be discharged only through the first circulation pipe 15, and the feed liquid can enter the first cylinder 4 only through the third circulation pipe 17. Through the arrangement of the second one-way valve 19 and the third one-way valve 20, the feed liquid in the second cylinder 10 can be discharged only through the third circulation pipe 17, and the feed liquid can enter the second cylinder 10 only through the second circulation pipe 16.

Adding an experimental liquid into a liquid mixing box 3 through a liquid inlet pipe 31, storing experimental solid particle materials in an intermittent feeding assembly 5, intermittently feeding the materials into the liquid mixing box 3, pushing a push rod 13 to move left and right repeatedly through a left and right reciprocating mechanism 6, so that a first piston 86 and a second piston 11 move left and right repeatedly, pumping the liquid in the liquid mixing box 3 into a second cylinder 10 through a second circulating pipe 16 when the second piston 11 moves left, enabling the first piston 86 and the second piston 11 to move left synchronously, and enabling the first piston 86 to push the liquid in a first cylinder 4 to the first circulating pipe 15 and enter the liquid mixing box 3; when the second piston 11 moves rightwards, the feed liquid in the second cylinder 10 is pushed to the third circulating pipe 17, the first piston 86 and the second piston 11 synchronously move rightwards, the first piston 86 pumps the feed liquid in the third circulating pipe 17 into the first cylinder 4, and the steps are repeated, so that the feed liquid is circularly mixed among the first cylinder 4, the second cylinder 10 and the feed liquid mixing box 3, and the mixing effect is good; and make intermittent type feeding subassembly 5 carry out the intermittent type feeding through the flow of feed liquid at feed liquid circulation in-process, utilize the kinetic energy that the feed liquid flows the production ingeniously to provide drive power for intermittent type feeding subassembly 5, need not extra electric drive and can realize intermittent type and throw the material, for artifical visual manual input, throw the volume deviation little moreover. Reciprocating motion mechanism 6 promotes push rod 13 and controls the reciprocating motion in the time, through the cooperation with drive mechanism 7 for agitator 8 stirs the operation, stirs experiment liquid and experiment solid particle material and mixes in feed liquid mixing box 3, improves mixed effect. The whole mixer only needs one driving force: (1) the first piston 86 and the second piston 11 are caused to move left and right repeatedly to realize the circulation of the feed liquid; (2) the feed liquid is circulated, and the intermittent feeding component 5 is fed intermittently through the feed liquid circulation; (3) through the cooperation with drive mechanism 7, drive agitator 8 realizes the stirring operation. The whole energy consumption is low, and the design is ingenious. And, through the combination of the double-cylinder circulation mixing form and the stirring mixing form, the mixing effect is better.

Further, the intermittent feeding assembly 5 comprises a feeding barrel 51, a material separating hopper 52, a stopper 53, a guide rod 54, a guide sleeve 55, a spring 56, a ball 57, a first bearing seat 58, a first rotating shaft 59, a second sealing member 510, an impeller 511, and a push column 512, wherein the feeding barrel 51 is fixedly communicated with the left side of the top of the material-liquid mixing box 3, the material separating hopper 52 is fixed inside the feeding barrel 51, the inner space of the feeding barrel 51 above the material separating hopper 52 is used for storing solid raw materials, a feed opening 513 is formed in the bottom of the material separating hopper 52, the guide sleeve 55 is fixed at the bottom of the feeding barrel 51, the ball 57 is fixed at the bottom end of the guide rod 54, the top end of the guide rod 54 passes through the guide sleeve 55 and the feed opening 513 and extends to the inner part of the material separating hopper 52, the stopper 53 blocks the feed opening 513, the top end of the spring 56 is fixedly connected to the bottom of the guide sleeve 55, the bottom end of the, a first bearing seat 58 is fixed on the top wall of the first circulating pipe 15 below the sphere 57, the bottom end of a first rotating shaft 59 penetrates through the top end first bearing seat 58 and the top wall of the first circulating pipe 15 to extend to the inside of the first circulating pipe 15 to be fixed with an impeller 511, a push column 512 is fixed on the top end of the first rotating shaft 59, the top of the push column 512 is provided with an inclined surface, the sphere 57 is in contact fit with the inclined surface, and a second sealing element 510 is arranged between the first rotating shaft 59 and the first circulating pipe 15. When the feed liquid flows from the first circulation pipe 15 to the feed liquid mixing box 3, the feed liquid impacts the impeller 511 to drive the impeller 511 to rotate, and further drives the first rotating shaft 59 to rotate, so that the push pillar 512 rotates, when the highest end surface of the inclined surface of the push pillar 512 contacts with the bottom end of the sphere 57, the guide rod 54 is at the highest position of the movement stroke, at this time, the stopper 53 leaves the feed opening 513 and is at the highest position, the solid particle material in the material separating hopper 52 falls out through the feed opening 513 and is discharged into the feed liquid mixing box 3 through the feed inlet of the feed barrel 51, when the lowest end surface of the inclined surface of the push pillar 512 contacts with the bottom end of the sphere 57, the guide rod 54 is at the lowest position of the movement stroke, at this time, the stopper 53 blocks the feed opening 513, so that the solid particle material cannot be thrown in, and along with the rotation of the push pillar 512, the guide rod 54 is continuously pushed to move up and down, the stop block 53 is driven to move up and down continuously to realize intermittent discharging, and the stop block 53 can be reset finally to block the discharging port 513 through the arrangement of the spring 56. When no feed liquid passes through the first circulation pipe 15, the intermittent feeding assembly 5 is in a non-feeding state, and only when the feed liquid passes through the first circulation pipe 15, the intermittent feeding assembly 5 performs intermittent feeding.

Further, the left-right reciprocating mechanism 6 comprises a motor 61, a second rotating shaft 62, a rotating rod 63, a swinging rod 64, a sliding rail 65 and a sliding block 66, the sliding rail 65 is fixed on the bottom wall inside the rack 1, the sliding rail 65 is located on the right side of the second cylinder 10, the sliding block 66 is connected to the front side of the sliding rail 65 in a sliding manner, the left end of the sliding block 66 is fixedly connected with the right end of the push rod 13, the motor 61 is fixed on the right side wall inside the rack 1, the second rotating shaft 62 is fixed at the front end of the motor 61, the rotating rod 63 is fixed on the second rotating shaft 62, the outer end of the rotating rod 63 is hinged to the swinging rod 64, and the left end of the swinging rod 64 is hinged to. The motor 61 rotates counterclockwise to drive the second rotating shaft 62 to rotate counterclockwise, so that the rotating rod 63 rotates counterclockwise to drive the swinging rod 64 to push the sliding block 66 to move left and right, and further drive the push rod 13 to move left and right, so that the first piston 86 and the second piston 11 move left and right.

Further, the stirrer 8 includes a stirring blade 81, a stirring shaft 82, a second bearing seat 83, a third bearing seat 84, and a third sealing member 85, the second bearing seat 83 is fixed on the right side wall of the material liquid mixing box 3, the third bearing seat 84 is fixed on the top wall inside the frame 1, the left end of the stirring shaft 82 penetrates through the second bearing seat 83 and the right side wall of the material liquid mixing box 3, the stirring blade 81 is fixed inside the material liquid mixing box 3, the third sealing member 85 is arranged between the stirring shaft 82 and the material liquid mixing box 3, and the right end of the stirring shaft 82 penetrates through the third bearing seat 84. The stirring shaft 82 rotates to drive the stirring blade 81 to rotate so as to stir and mix the material liquid in the material liquid mixing box 3.

Further, the transmission mechanism 7 includes a first bevel gear 71, a second bevel gear 72, a fourth bearing seat 73, a third rotating shaft 74, a driving wheel 75, a driven wheel 76, and a belt 77, the first bevel gear 71 is fixed at the front end of the second rotating shaft 62, the first bevel gear 71 is located at the front side of the rotating rod 63, the fourth bearing seat 73 is fixed at the bottom wall inside the frame 1, the second bevel gear 72 is fixed at the right end of the third rotating shaft 74, the second bevel gear 72 is meshed with the first bevel gear 71, the driving wheel 75 is fixed at the left end of the third rotating shaft 74 through the fourth bearing seat 73, the driven wheel 76 is fixed at the right end of the stirring shaft 82, and the driven wheel 76 and the driving wheel 75 are in transmission connection through the belt. The first rotating shaft 59 rotates to drive the first bevel gear 71 to rotate, and further drives the second bevel gear 72 to rotate, so that the third rotating shaft 74 rotates to drive the driving wheel 75 to rotate, and further drives the driven wheel 76 to rotate, and the stirring shaft rotates.

Further, the liquid outlet end of the first circulation pipe 15 is arranged to be inclined downward, and the liquid inlet end of the second circulation pipe 16 is arranged to be inclined downward. The inclined first circulation pipe 15 is more favorable for pushing the impeller 511, and the inclined second circulation pipe 16 is more favorable for the feed liquid in the feed liquid mixing box 3 to enter the second cylinder 10.

Further, the cylinder device further comprises a collecting pipe 22, a first pipe 23, a second pipe 24, a first valve 25, a second valve 26, a third valve 27 and a fourth valve 28, wherein the left end of the collecting pipe 22 is fixedly communicated with the lower portion of the left side wall of the first cylinder 4, the first valve 25 is arranged near the joint, the right end of the collecting pipe 22 is fixedly communicated with the lower portion of the right side wall of the second cylinder 10, the second valve 26 is arranged near the joint, the collecting pipe 22 is communicated with the third circulating pipe 17 through the first pipe 23, the third valve 27 is arranged on the first pipe 23, the second pipe 24 is fixedly communicated with the top of the third circulating pipe 17, and the fourth valve 28 is arranged on the second pipe 24. After the liquid is mixed, the first valve 25, the second valve 26, the third valve 27 and the fourth valve 28 are opened to keep the first piston 86 and the second piston 11 moving left and right, a part of the mixed liquid flows out through the collecting pipe 22 and is discharged to the third circulating pipe 17 through the first discharging pipe 23, the other part of the liquid flows to the third circulating pipe 17 directly, and all the liquid is finally discharged and collected from the second discharging pipe 24.

Further, a first sliding sleeve 29 is arranged between the connecting rod 12 and the right side wall of the first cylinder 4, the first sliding sleeve 29 is fixed on the right side wall of the first cylinder 4, a second sliding sleeve 30 is arranged between the connecting rod 12 and the left side wall of the second cylinder 10, and the second sliding sleeve 30 is fixed on the left side wall of the second cylinder 10. The arrangement of the first sliding sleeve 29 and the second sliding sleeve 30 improves the stability of the movement process of the first piston 86 and the second piston 11.

Further, motor 61 is servo motor, can accurate control rotational speed, can adjust according to the actual operation demand.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.