CN216669635U

CN216669635U - Multi-channel micro rheometer

Info

Publication number: CN216669635U
Application number: CN202123292721.9U
Authority: CN
Inventors: 周栋梁; 周碧; 王风; 伍睿
Original assignee: Shengliang Intelligent Technology Shanghai Co ltd
Current assignee: Shengliang Intelligent Technology Shanghai Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-03
Anticipated expiration: 2031-12-25

Abstract

The application discloses miniature rheometer of multichannel, including the rheometer body, conical banburying chamber has been seted up at rheometer body top, the banburying intracavity is provided with toper double screw, be provided with the dog-house with banburying chamber intercommunication on the rheometer body lateral wall, the fixed intercommunication in banburying chamber bottom has the unloading pipe, the fixed intercommunication of unloading pipe lower extreme has the discharging pipe, the discharging pipe runs through rheometer body lateral wall and extends to the rheometer body outside, be provided with the first change-over valve that is used for controlling unloading pipe break-make on the unloading pipe is close to its lower extreme position. This application sets up the toper twin-screw in conical banburying intracavity, and the staff links to each other toper twin-screw and external power unit after throwing into the material to the banburying intracavity from the dog-house, can carry out the banburying to the material of banburying intracavity through the toper twin-screw, is favorable to improving the banburying effect of material, has removed from to need to adopt other equipment to carry out the loaded down with trivial details of secondary operation, has improved banburying efficiency.

Description

Multi-channel micro rheometer

Technical Field

The utility model relates to the technical field of polymer molding processing, in particular to a multi-channel micro rheometer.

Background

The torque rheometer is an ideal device for researching the flowing, plasticizing, thermal and shearing stability of materials, provides a dynamic measurement method closer to actual processing, and can continuously, accurately and reliably measure the rheological properties of the materials under the condition similar to actual processing, such as the mixing of multi-component materials, the crosslinking and curing of thermosetting resin, the vulcanization of elastomers, the dynamic stability of the materials, the influence of the rotating speed of a screw on the processing performance of a system and the like.

At present, the torque rheometer at home and abroad generally adopts 60mm³And the banburying cavity is used as an effective means for formula development. However, for materials with strong heat sensitivity, such as rigid PVC, the difference of experimental data plasticizing time is large due to poor dispersion effect, and secondly, the material banburying effect is insufficient, the banburied materials cannot be directly molded, secondary processing treatments such as tabletting and the like are required, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a multi-channel micro rheometer.

The technical purpose of the utility model is realized by the following technical scheme: the multichannel micro rheometer comprises a rheometer body, a conical mixing cavity is formed in the top of the rheometer body, conical twin screws are arranged in the mixing cavity, a feeding port communicated with the mixing cavity is formed in the side wall of the rheometer body, a blanking pipe is fixed and communicated at the bottom of the mixing cavity, a discharging pipe is fixed and communicated at the lower end of the blanking pipe, the discharging pipe penetrates through the side wall of the rheometer body and extends to the outer side of the rheometer body, and a first switching valve used for controlling the on-off of the blanking pipe is arranged on the position, close to the lower end of the blanking pipe, of the blanking pipe.

Through adopting above-mentioned technical scheme, set up the toper twin-screw in conical banburying intracavity, after the staff drops into the material to the banburying intracavity from the dog-house, link to each other toper twin-screw and external power unit, can carry out the banburying through the material of toper twin-screw to the banburying intracavity, be favorable to improving the banburying effect of material, removed from and need adopt other equipment to carry out the loaded down with trivial details of secondary operation, improved the banburying efficiency.

Furthermore, a circulating pipeline is fixed on and communicated with the discharging pipe, the other end of the circulating pipeline is fixed and communicated with the position, close to the top of the mixing cavity, of the side wall of the mixing cavity, and a second change-over valve used for controlling the on-off of the circulating pipeline is arranged at one end, close to the discharging pipe, of the circulating pipeline.

Through adopting above-mentioned technical scheme, the staff of being convenient for opens the second change-over valve, closes first change-over valve simultaneously for from unloading pipe exhaust material by circulating line back to the banburying chamber in, so that the toper double screw carries out the secondary banburying to the material in the banburying chamber, is favorable to improving the banburying effect to the material.

Furthermore, an annular cavity is formed in the rheometer body on the peripheral side of the banburying cavity, and electric heating rods are fixed on the upper section, the middle section and the lower section of the inner wall of the annular cavity.

Through adopting above-mentioned technical scheme, before banburying processing, the staff can open the electrical heating rod to this heats the intensification in to the annular cavity, thereby makes the temperature in the banburying cavity rise to the temperature that is fit for the banburying of material, is favorable to improving the banburying effect of material.

Furthermore, a spiral cooling pipe surrounding the annular cavity is arranged in the annular cavity, and two ends of the spiral cooling pipe penetrate through the side walls of two sides of the rheometer body respectively.

Through adopting above-mentioned technical scheme, the banburying is accomplished the back, when needing to cool down to the material after the banburying, and the staff only need let in cold air to the spiral cooling tube to this is cooled down in the toroidal cavity, can be so that the temperature reduction of banburying intracavity, so that carry out follow-up work of unloading.

Furthermore, the gap between the inner wall of the banburying cavity and the lower half section of the conical double screw is less than 0.1 mm.

Through adopting above-mentioned technical scheme, the clearance between banburying intracavity wall and the toper double screw second section is less, has reduced the banburying dead angle, is favorable to improving the banburying effect to the material.

Furthermore, the top opening of the banburying cavity is provided with a sealing plug, and a plug body which is in plug-in fit with the feed opening is arranged in the feed opening.

Through adopting above-mentioned technical scheme, the sealing plug has played good sealed effect to the banburying chamber, and the cock body has reduced the probability that debris got into the banburying intracavity from the dog-house, is favorable to going on smoothly of banburying work, and has reduced the probability that debris influence the banburying effect.

Further, be provided with on the rheometer body and be used for carrying out spacing subassembly to the cock body, spacing subassembly is located the torsional spring that sets up on the dwang and between limiting plate and rheometer body on the dwang and the cover including rotating the dwang of installing on rheometer body lateral wall, keeping away from the fixed limiting plate of one end of rheometer body and dwang, limiting plate lateral wall and cock body lateral wall butt.

Through adopting above-mentioned technical scheme, under the elasticity effect of torsional spring, limiting plate lateral wall and cock body lateral wall butt to this has played good limiting displacement to the cock body, has reduced and has made the cock body break away from the dog-house because of the rheometer body takes place vibrations, thereby makes debris follow the probability that the dog-house got into the banburying intracavity.

Furthermore, one end of the discharge pipe, which is far away from the rheometer body, is provided with a sheet extruding module.

Through adopting above-mentioned technical scheme, the material that is favorable to after the banburying passes through crowded piece module one shot forming, has reduced the later stage processing number of times, and the staff also can be according to the kind of banburying product, more changes crowded piece module into wire drawing module, spinning module or the module of moulding plastics.

In conclusion, the utility model has the following beneficial effects:

1. in the application, the conical twin screw is arranged in the conical mixing cavity, and after a worker puts materials into the mixing cavity from the feeding port, the conical twin screw is connected with the external power mechanism, so that the materials in the mixing cavity can be mixed through the conical twin screw, the mixing effect of the materials is improved, the trouble of secondary processing by adopting other equipment is avoided, and the mixing efficiency is improved;

2. in the application, the arrangement of the circulating pipeline and the second switching valve is convenient for a worker to open the second switching valve and close the first switching valve simultaneously, so that the materials discharged from the discharging pipe return to the banburying cavity from the circulating pipeline, the conical double screw is convenient for carrying out secondary banburying on the materials in the banburying cavity, and the banburying effect on the materials is favorably improved;

3. in this application, the sealing plug has played good sealed effect to the banburying chamber, and the cock body has reduced the probability that debris got into the banburying intracavity from the dog-house, is favorable to going on smoothly of banburying work, and has reduced the probability that debris influence banburying effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic plan view of an embodiment of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure: 1. a rheometer body; 11. an internal mixing cavity; 111. a sealing plug; 12. a feeding port; 121. a plug body; 13. an annular cavity; 2. a conical twin screw; 3. a discharging pipe; 31. a first switching valve; 4. a discharge pipe; 5. a limiting component; 51. rotating the rod; 52. a limiting plate; 53. a torsion spring; 6. a sheet extruding module; 7. a circulation pipe; 71. a second switching valve; 8. an electrical heating rod; 9. a spiral cooling tube; 10. and a controller.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

As shown in fig. 1 to 3, the embodiment of the application discloses a multichannel micro-rheometer, which comprises a rheometer body 1, a conical twin-screw 2, a blanking pipe 3, a discharging pipe 4 and a limiting component 5. The top of rheometer body 1 is seted up and is conical banburying chamber 11, and the open-top in banburying chamber 11 is provided with and closes plug 111 with the banburying chamber 11 grafting complex. Toper double screw 2 comprises two intermeshing's screw rod, and toper double screw 2 sets up in banburying chamber 11, and the body of rod upper end of toper double screw 2 extends the 1 outside of rheometer body, and when using, the staff need be with the body of rod upper end and the power unit fixed connection of rheometer body 1.

Be provided with dog-house 12 with banburying chamber 11 intercommunication on the lateral wall of rheometer body 1, dog-house 12 sets up on the position that the lateral wall of rheometer body 1 is close to rheometer body 1 top, and is provided with in the dog-house 12 and pegs graft complex cock body 121 with dog-house 12. The blanking pipe 3 is a circular tubular structure with a vertical axis, the upper end of the blanking pipe is fixed and communicated with the bottom of the banburying cavity 11, and a first switching valve 31 for controlling the on-off of the blanking pipe 3 is arranged at a position of the blanking pipe 3 close to the lower end of the blanking pipe. Discharging pipe 4 is the horizontally round tube structure of axis, its top is fixed and the intercommunication with 3 lower extremes of unloading pipe, the one end of discharging pipe 4 is closed and is located rheometer body 1, the other end of discharging pipe 4 runs through rheometer body 1 lateral wall and is located the rheometer body 1 outside, and discharging pipe 4 keeps away from the one end of rheometer body 1 and is provided with crowded piece module 6, in other embodiments, the staff also can be as required with crowded piece module 6 change for wire drawing module, spinning module or the module of moulding plastics. Set up toper twin screw 2 in conical banburying chamber 11, after the staff drops into the material from dog-house 12 to banburying chamber 11, link to each other toper twin screw 2 with external power mechanism, can carry out the banburying through the material of toper twin screw 2 in to banburying chamber 11, be favorable to improving the banburying effect of material, removed from and need adopt other equipment to carry out the loaded down with trivial details of secondary operation, improved banburying efficiency.

In order to improve the banburying effect of the materials, a circulating pipeline 7 is fixed and communicated on the discharging pipe 3, the circulating pipeline 7 is arranged on the discharging pipe 3 between the first conversion valve 31 and the bottom of the banburying cavity 11, the other end of the circulating pipeline 7 is fixed and communicated with the position, close to the top of the banburying cavity 11, of the side wall of the banburying cavity 11, and a second conversion valve 71 used for controlling the on-off of the circulating pipeline 7 is arranged at one end, close to the discharging pipe 3, of the circulating pipeline 7. The setting of circulating line 7 and second change-over valve 71, the staff of being convenient for opens second change-over valve 71, closes first change-over valve 31 simultaneously for the material of discharging from unloading pipe 3 returns to mixing chamber 11 by circulating line 7 in, and the material of conical twin screw 2 in to mixing chamber 11 of being convenient for carries out the secondary and mixes, is favorable to improving the banburying effect to the material.

In being convenient for preheat in 11 banburying chamber before the material banburying, seted up annular cavity 13 in 11 banburying chamber week side's the rheometer body 1, the upper and middle, the hypomere of annular cavity 13 inner wall all is fixed with electrical heating rod 8 to this be convenient for the staff preheats in 13 annular cavity through electrical heating rod 8, make the temperature rise in 11 banburying chamber, be favorable to improving the banburying effect of material. In order to facilitate the cooling of the materials after the banburying, a spiral cooling pipe 9 surrounding the annular cavity 13 is arranged in the annular cavity 13, the two ends of the spiral cooling pipe 9 respectively penetrate through the side walls of the two sides of the rheometer body 1, after the banburying is completed, when the materials after the banburying need to be cooled, a worker only needs to introduce cold air into the spiral cooling pipe 9, so that the temperature in the annular cavity 13 is cooled, the temperature in the banburying cavity 11 can be reduced, and the subsequent unloading work can be carried out.

In order to further improve the banburying effect, the gap between the inner wall of the banburying cavity 11 and the lower half section of the conical double screw rod 2 is smaller than 0.1mm, so that the banburying dead angle is reduced, and the banburying effect on materials is favorably improved.

The limiting component 5 is disposed on the rheometer body 1 and used for limiting the plug body 121, and the limiting component 5 includes a rotating rod 51, a limiting plate 52 and a torsion spring 53. The rotating rod 51 is a round rod-shaped structure and is rotatably mounted on the sidewall of the rheometer body 1 near the feeding port 12. The limit plate 52 is a rectangular plate-shaped structure, a side wall of one side of the limit plate 52 is fixed to one end of the rotating rod 51 far away from the rheometer body 1, and the side wall of the limit plate 52 is abutted to the side wall of the plug body 121. The torsion spring 53 is sleeved on the rotating rod 51, the torsion spring 53 is located between the limiting plate 52 and the rheometer body 1, and two ends of the torsion spring 53 are fixed to the limiting plate 52 and the rheometer body 1 respectively. Under the action of the elasticity of the torsion spring 53, the side wall of the limit plate 52 is abutted against the side wall of the plug body 121, so that a good limit effect is exerted on the plug body 121, and the probability that the plug body 121 is separated from the feed opening 12 due to the vibration of the rheometer body 1 is reduced, so that impurities enter the banburying cavity 11 from the feed opening 12.

In order to facilitate the control of the first switch valve 31, the second switch valve 71 and the electric heating rod 8 by the operator, a controller 10 is fixed on the sidewall of the rheometer body 1, and the controller 10 is electrically connected with the first switch valve 31, the second switch valve 71 and the electric heating rod 8.

The use principle of the multi-channel micro rheometer in the embodiment is as follows: set up toper twin screw 2 in conical banburying chamber 11, after the staff drops into the material from dog-house 12 to banburying chamber 11, link to each other toper twin screw 2 with external power mechanism, can carry out the banburying through the material of toper twin screw 2 in to banburying chamber 11, be favorable to improving the banburying effect of material, removed from and need adopt other equipment to carry out the loaded down with trivial details of secondary operation, improved banburying efficiency. The setting of circulating line 7 and second change-over valve 71, the staff of being convenient for opens second change-over valve 71, closes first change-over valve 31 simultaneously for the material of discharging from unloading pipe 3 returns to mixing chamber 11 by circulating line 7 in, and the material of conical twin screw 2 in to mixing chamber 11 of being convenient for carries out the secondary and mixes, is favorable to improving the banburying effect to the material.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The multichannel micro rheometer is characterized in that: including rheometer body (1), conical banburying chamber (11) have been seted up at rheometer body (1) top, be provided with toper twin-screw (2) in banburying chamber (11), be provided with dog-house (12) with banburying chamber (11) intercommunication on rheometer body (1) lateral wall, fixed and the intercommunication has unloading pipe (3) in banburying chamber (11) bottom, unloading pipe (3) lower extreme is fixed and the intercommunication has discharging pipe (4), discharging pipe (4) run through rheometer body (1) lateral wall and extend to rheometer body (1) outside, unloading pipe (3) are close to and are provided with first change-over valve (31) that are used for controlling unloading pipe (3) break-make on the position of its lower extreme.

2. The multi-channel rheometer of claim 1, wherein: and a circulating pipeline (7) is fixed on the discharging pipe (3) and communicated with the discharging pipe, the other end of the circulating pipeline (7) is fixed and communicated with the position, close to the top of the internal mixing cavity (11), of the side wall of the internal mixing cavity (11), and a second switching valve (71) used for controlling the on-off of the circulating pipeline (7) is arranged at one end, close to the discharging pipe (3), of the circulating pipeline (7).

3. The multi-channel rheometer of claim 2, wherein: an annular cavity (13) is formed in the rheometer body (1) on the peripheral side of the banburying cavity (11), and electric heating rods (8) are fixed on the upper section, the middle section and the lower section of the inner wall of the annular cavity (13).

4. A multi-channel rheometer according to claim 3, wherein: the rheometer is characterized in that a spiral cooling pipe (9) surrounding the annular cavity (13) is arranged in the annular cavity (13), and two ends of the spiral cooling pipe (9) penetrate through the side walls of two sides of the rheometer body (1) respectively.

5. The multi-channel rheometer of claim 4, wherein: the gap between the inner wall of the banburying cavity (11) and the lower half section of the conical double screw (2) is less than 0.1 mm.

6. The multi-channel rheometer of claim 5, wherein: the top opening of banburying chamber (11) is provided with sealing plug (111), be provided with in dog-house (12) with dog-house (121) of dog-house (12) grafting cooperation.

7. The multi-channel rheometer of claim 6, wherein: be provided with on rheometer body (1) and be used for carrying out spacing subassembly (5) to cock body (121), spacing subassembly (5) are including rotating dwang (51) of installing on rheometer body (1) lateral wall, keeping away from fixed limiting plate (52) of one end of rheometer body (1) and torsional spring (53) of cover on dwang (51) and setting up between limiting plate (52) and rheometer body (1) with dwang (51), limiting plate (52) lateral wall and cock body (121) lateral wall butt.

8. The multi-channel rheometer of claim 6, wherein: and a sheet extruding module (6) is arranged at one end of the discharge pipe (4) far away from the rheometer body (1).