CN116952775B - Melt index testing device for chemical materials - Google Patents
Melt index testing device for chemical materials Download PDFInfo
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- CN116952775B CN116952775B CN202311207083.7A CN202311207083A CN116952775B CN 116952775 B CN116952775 B CN 116952775B CN 202311207083 A CN202311207083 A CN 202311207083A CN 116952775 B CN116952775 B CN 116952775B
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- 239000000463 material Substances 0.000 title claims abstract description 114
- 239000000126 substance Substances 0.000 title claims abstract description 83
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 49
- 239000000155 melt Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 44
- 238000004140 cleaning Methods 0.000 claims description 38
- 238000002844 melting Methods 0.000 claims description 38
- 230000008018 melting Effects 0.000 claims description 38
- 238000005070 sampling Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 238000004154 testing of material Methods 0.000 abstract 1
- 239000012943 hotmelt Substances 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a melt index testing device for chemical materials, which relates to the technical field of high polymer material testing equipment and comprises a box body, wherein a placing table is arranged on the lower side of the box body, a control machine is arranged on the lower side of the placing table, the control machine is fixedly connected to the bottom side of the box body, an electronic scale is fixedly connected to the placing table, a constant temperature box is arranged in the upper side of the box body, heating rods are fixedly connected to the inner walls of the front side and the rear side of the constant temperature box, a temperature sensor is fixedly connected to the inner wall of the left side of the constant temperature box, a signal output end of the temperature sensor penetrates through the wall of a box body and is connected with a control machine signal, a straight notch is formed in the lower side of the constant temperature box, a discharging block is connected to the inner wall of the lower side of the constant temperature box in a sliding mode and is located above the straight notch, and a first discharging port and a second discharging port are formed in the left end and the right end of the discharging block.
Description
Technical Field
The invention relates to the technical field related to high polymer material test equipment, in particular to a melt index testing device for chemical materials.
Background
The melt index test is to heat and load the thermoplastic plastic according to the requirement of the test standard by a melt index tester, so as to measure the mass of the material melt flowing out of a die with a specified diameter in a specified time.
The existing melt index tester adds nominal load to the test material by manually adding weights, after the test is completed, the test tool is cleaned manually, and the existing chemical materials are various, if the nominal load to be tested is increased by the weights, the test of all the chemical materials is troublesome and can not be satisfied, so that the design of the melt index test device for the chemical materials for automatically pressurizing and cleaning is necessary.
Disclosure of Invention
The invention aims to provide a melt index testing device for chemical materials, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a melt index testing arrangement for chemical material, includes the box, the placing table has been seted up to the box downside, placing table downside is provided with the control machine, control machine fixed connection is in the box downside, place bench fixedly connected with electronic scale, box upside fixedly connected with thermostated container, the equal fixedly connected with heating rod of both sides inner wall around the thermostated container, thermostated container left side inner wall fixedly connected with temperature sensor, temperature sensor's signal output part runs through the chamber wall and the control machine signal connection of thermostated container, the straight notch has been seted up to the thermostated container bottom, the inside lower surface sliding connection of thermostated container has the discharge block, the discharge block is located straight notch top, first discharge gate and second discharge gate have been seted up respectively to the left and right sides both ends of discharge block, the one end fixedly connected with connecting rod of thermostated container chamber wall is run through to the connecting rod one, one telescopic motor fixed connection is on the outer wall of box left side.
According to the technical scheme, the hot melt pipe is arranged above the discharging block, the support bracket is fixedly connected to the hot melt pipe, the hot melt pipe is fixedly connected with the inner wall of the incubator through the support bracket, the bottom side of the hot melt pipe is in direct contact with the upper side of the discharging block, the upper end of the hot melt pipe is communicated with the feeding pipe, the input end of the feeding pipe penetrates through the cavity wall of the incubator and is communicated with the funnel, and the funnel is fixedly connected to the incubator.
According to the technical scheme, the hot melt pipe top is provided with presses the material pole, press the inner wall sliding connection of material pole and hot melt pipe, press the material pole part to run through the thermostated container, press the material pole to wear out the one end of thermostated container and seted up annular groove, the thermostated container right side just is located the horizontal position orientation department fixedly connected with laser sensor of pressing the material pole.
According to the technical scheme, flexible motor two of box right side outer wall fixedly connected with, flexible motor two's output fixedly connected with electronic clamping jaw, the last position fixedly connected with disc that the swager pole is located annular groove, the box rear side is provided with servo motor, servo motor is the electric press of using always, servo motor's output fixedly connected with pressure sensor, pressure sensor is located the swager pole directly over.
According to the technical scheme, the cavity is additionally formed in the box body, the rotating motor is fixedly connected to the inner wall of the cavity, the output end of the rotating motor penetrates out of the wall of the box body and is fixedly connected with the cutting knife, and the cutting knife is located below the straight notch.
According to the technical scheme, the first telescopic motor, the second telescopic motor, the electric clamping jaw, the rotating motor, the electronic scale, the servo motor, the heating rod, the laser sensor and the pressure sensor are all in signal connection with the controller.
According to the technical scheme, the caliber of the first discharge hole is the caliber of the standard melt index detection sampling, and the caliber of the second discharge hole is the same as the caliber of the hot melting pipe.
According to the technical scheme, the clearance mouth has been seted up in the left side of straight slot mouth, the clearance mouth communicates with each other with first discharge gate, the below of clearance mouth is provided with the clearance pole, the diameter of clearance pole, the bore of clearance mouth are the same with the bore of first discharge gate, one side fixedly connected with flexible motor three of clearance mouth is kept away from to the clearance pole, flexible motor three fixed connection is at the cavity inner wall, the output of flexible motor three wears out box cavity wall and clearance pole fixed connection, flexible motor three and controller signal connection.
Compared with the prior art, the invention has the following beneficial effects: the invention realizes the beneficial effect of automatic pressurization for the melt index test of the chemical materials by carrying out nominal pressurization through the servo electric press;
through setting up clearance pole clearance first discharge gate, press material pole clearance hot melt pipe and second discharge gate, realized the effect of clearing up the utensil of test melt index.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall orthogonal structure of the present invention;
FIG. 2 is a schematic view of the enlarged partial structure of the area A of FIG. 1 according to the present invention;
FIG. 3 is a schematic illustration of the cross-sectional structure of two orthogonal sides of the present invention;
FIG. 4 is a schematic illustration of the cross-sectional structure of two orthogonal sides of the present invention;
FIG. 5 is a schematic view of the parts of the discharge block of the present invention;
FIG. 6 is a schematic view of the cutter element of the present invention;
FIG. 7 is a schematic view of the structure of the case of the present invention;
in the figure: 1. a case; 2. a placement table; 3. a control machine; 4. an electronic scale; 5. a constant temperature box; 6. a heating rod; 7. a temperature sensor; 8. a straight slot; 9. a discharge block; 10. a first discharge port; 11. a second discharge port; 12. a connecting rod; 13. a first telescopic motor; 14. a hot melt tube; 15. a feed pipe; 16. a funnel; 17. a pressing rod; 18. an annular groove; 19. a laser sensor; 20. a second telescopic motor; 21. an electric clamping jaw; 22. a disc; 23. a servo motor; 24. a pressure sensor; 25. a cavity; 26. a rotating electric machine; 27. a cutting knife; 28. cleaning the mouth; 29. cleaning a rod; 30. a telescopic motor III; 31. and (3) a bracket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a melt index testing arrangement for chemical material, including box 1, place platform 2 has been seted up to box 1 downside, place platform 2 downside and be provided with control machine 3, control machine 3 is used for controlling the operation of the relevant mechanism of test melt index, control machine 3 fixed connection is in box 1 downside, place fixedly connected with electronic scale 4 on the platform 2, be used for weighing the chemical material quality that cuts off, box 1 upside fixedly connected with thermostated container 5, the equal fixedly connected with heating rod 6 of front and back both sides inner wall of thermostated container 5, be used for heating the room temperature in the thermostated container 5, make the constant temperature that reaches the settlement in the thermostated container 5, thermostated container 5 left side inner wall fixedly connected with temperature sensor 7, be used for measuring the temperature in the thermostated container 5, temperature sensor 7's signal output part runs through the chamber wall and the control machine 3 signal connection of thermostated container 5, straight notch 8 has been seted up to the thermostated container 5 bottom.
The inside lower surface sliding connection of thermostated container 5 has discharge piece 9 for the discharge amount of control chemical material, discharge piece 9 are located straight notch 8 top, be used for shutoff or intercommunication straight notch 8, first discharge gate 10 and second discharge gate 11 have been seted up respectively to the left and right sides both ends of discharge piece 9, the left side fixedly connected with connecting rod 12 of discharge piece 9, the one end fixedly connected with flexible motor one 13 of 5 chamber walls of connecting rod 12 run through the thermostated container, be used for controlling discharge piece 9 slip, flexible motor one 13 fixed connection is on the left outer wall of box 1, flexible motor one 13 controls discharge piece 9 slip, thereby make the first discharge gate 10 on the discharge piece 9 remove different positions with second discharge gate 11 and realize the different functions to the chemical material melt index test.
The hot-melt tube 14 is arranged above the discharging block 9, the support 31 is fixedly connected to the hot-melt tube 14, the hot-melt tube 14 is fixedly connected with the inner wall of the incubator 5 through the support 31, the bottom side of the hot-melt tube 14 is in direct contact with the upper side of the discharging block 9, the upper end of the hot-melt tube 14 is communicated with the feeding tube 15, the input end of the feeding tube 15 penetrates through the cavity wall of the incubator 5 and is communicated with the funnel 16, the funnel 16 is fixedly connected to the incubator 5, chemical materials are convenient to enter, the pressing rod 17 is arranged above the hot-melt tube 14, the pressing rod 17 is in sliding connection with the inner wall of the hot-melt tube 14, the pressing rod 17 penetrates through the incubator 5 partially, the annular groove 18 is formed in one end of the pressing rod 17 penetrating out of the incubator 5, the right side of the incubator 5 is fixedly connected with the laser sensor 19 in the horizontal position direction of the pressing rod 17, the distance between the laser sensor 19 and the surface of the pressing rod 17 is measured through emitted light, and the original distance measured by the laser sensor 19 when the laser sensor 19 detects the annular groove 18 is changed, and accordingly the control machine 3 is prompted to start sampling operation.
The outer wall fixedly connected with flexible motor two 20 in box 1 right side, the output fixedly connected with electronic clamping jaw 21 of flexible motor two 20 for press the material pole 17 to be located the top position fixedly connected with disc 22 of annular groove 18, when the unexpected drop of material pole 17, disc 22 supports on thermostated container 5, prevents that material pole 17 from smashing and fall on electronic scale 4, and box 1 rear side is provided with servo motor 23, and servo motor 23 is the electric press of usual for the standard rated pressure load that this chemical material needs when testing the melt index for material pole 17 is pressed in the pressure of material pole 17 when taking a sample, servo motor 23's output fixedly connected with pressure sensor 24, be used for the real-time supervision servo press to the pressure value of chemical material through pressing material pole 17, pressure sensor 24 is located directly over the material pole 17.
A cavity 25 is formed in the box body 1, a rotating motor 26 is fixedly connected to the inner wall of the cavity 25, the output end of the rotating motor 26 penetrates out of the cavity wall of the box body 1 and is fixedly connected with a cutting knife 27, and the cutting knife 27 is located below the straight notch 8 and is used for cutting extruded chemical materials.
The first telescopic motor 13, the second telescopic motor 20, the electric clamping jaw 21, the rotating motor 26, the electronic scale 4, the servo motor 23, the heating rod 6, the laser sensor 19 and the pressure sensor 24 are all in signal connection with the controller 3.
The caliber of the first discharge hole 10 is the standard melt index detection sampling caliber.
The caliber of the second discharging hole 11 is the same as that of the hot melting pipe 14, and the second discharging hole is used as an outlet for cleaning redundant chemical materials in the hot melting pipe 14 after sampling is completed.
In the embodiment, after starting, the constant temperature, sampling time, sampling times and nominal pressure load required by the melt index test of the chemical material are preset on the control machine 3 by manpower, the prepared chemical material is poured into the hopper 16 by manpower, the bottom side outlet of the hot melting pipe 14 is blocked by the middle position of the material outlet block 9 before pouring, the chemical material is prevented from falling from the hot melting pipe 14, the chemical material is piled in the hot melting pipe 14 through the material inlet pipe 15, then the heating rod 6 is started by the control machine 3, the temperature in the constant temperature box 5 reaches the preset value of the chemical material, after the temperature in the constant temperature box 5 reaches the preset value, the chemical material is melted to a certain extent at the temperature, the electric clamping jaw 21 is controlled to loosen the material pressing rod 17, the material pressing rod 17 is pressed on the chemical material under the action of gravity, and the telescopic motor 13 is started to retract, the discharging block 9 slides rightwards to enable the first discharging hole 10 to move below the outlet of the bottom side of the hot melting pipe 14, then the servo motor 23 is started, after the servo motor 23 contacts the pressing rod 17, the pressing rod 17 is continuously pressed down through a pressure value preset by the controller 3, at the moment, chemical materials are extruded through the first discharging hole 10, after the laser sensor 19 detects the annular groove 18, signals are transmitted to the controller 3, the controller 3 controls the rotating motor 26 to rotate the cutting knife 27 to cut out the extruded chemical materials, the extruded chemical materials are not used for measurement, the electronic scale 4 is moved out, then the servo motor 23 is continuously pressed down according to the preset time of the controller 3, meanwhile, the rotating motor 26 cuts the extruded chemical materials according to the preset sampling times and sampling time intervals of the controller 3, the cut chemical materials fall on the electronic scale 4, after the controller 3 finishes sampling the chemical material, the servo motor 23 stops pressing down and resetting up, the electric clamping jaw 21 is started to clamp the pressing rod 17, meanwhile, the first telescopic motor 13 stretches out, the discharging block 9 slides leftwards, the middle of the discharging block 9 is blocked at the bottom side outlet of the hot melting pipe 14, the rest chemical material is left in the hot melting pipe 14, after the dropped chemical material sample is weighed by the electronic scale 4, the controller 3 is used for data transmission, the controller 3 receives the quality of the sample and carries out average calculation with the preset cutting times, the melt index of the chemical material is calculated, the controller 3 is used for reserving the data, the telescopic motor 13 is controlled again to extend continuously, the discharging block 9 continues to slide leftwards, the second discharging port 11 moves to the lower side outlet of the hot melting pipe 14, then the electric clamping jaw 21 is controlled to loosen the pressing rod 17, meanwhile, the servo motor 23 is controlled to contact the pressing rod 17 and then continues to press downwards, the rest chemical material is extruded from the hot melting pipe 14, meanwhile, the rest chemical material in the hot melting pipe 14 and the second discharging port 11 is cleaned, the rest chemical material is dropped on the electronic scale 4, the electronic scale 4 is pressed down, the electric clamping jaw 20 is controlled to extend and retract again after the electric clamping jaw 20 is reset, and the telescopic clamping jaw 20 is controlled to extend out again after the electric clamping jaw 20 is reset.
In the second embodiment, the following structure is added on the basis of the first embodiment:
the left side of the straight slot 8 is provided with a cleaning port 28, the cleaning port 28 is communicated with the first discharge port 10, a cleaning rod 29 is arranged below the cleaning port 28, the diameter of the cleaning rod 29 and the caliber of the cleaning port 28 are the same as those of the first discharge port 10, one side of the cleaning rod 29 away from the cleaning port 28 is fixedly connected with a third telescopic motor 30, the third telescopic motor 30 is fixedly connected with the inner wall of the cavity 25, the output end of the third telescopic motor 30 penetrates out of the cavity wall of the box body 1 and is fixedly connected with the cleaning rod 29, and the third telescopic motor 30 is in signal connection with the controller 3.
In this embodiment, when the second telescopic motor 20 controls the pressing rod 17 to clean the hot melting pipe 14 and the residual chemical materials in the second discharge hole 11, the second telescopic motor 20 controls the pressing rod 17 to ascend and reset, then the first telescopic motor 13 is controlled to retract to enable the discharge block 9 to move right, the middle of the discharge block 9 seals the outlet of the bottom side of the hot melting pipe 14, at this time, the first discharge hole 10 is communicated with the cleaning hole 28, the third telescopic motor 30 is controlled to ascend the cleaning rod 29, the cleaning rod 29 penetrates the cleaning hole 28 and the first discharge hole 10, then the third telescopic motor 30 is controlled to retract again, and the cleaning rod 29 is controlled to retract, so that the residual chemical materials in the first discharge hole 10 are cleaned.
The melt index test procedure for the chemical materials is as follows:
s1: starting a controller 3, and manually completing preset values of constant temperature, sampling time, sampling times and nominal pressure load required by the melt index test of the chemical material on the controller 3;
s2: pouring the prepared chemical materials into a funnel 16 manually, and accumulating the chemical materials in a hot melting pipe 14 through a feeding pipe 15;
s3: starting a heating rod 6 through a control machine 3 to enable the temperature in the incubator 5 to reach a preset value of the chemical material;
s4: the electric clamping jaw 21 is controlled to loosen the pressing rod 17, the pressing rod 17 presses the chemical material under the action of gravity, the telescopic motor I13 is started to retract, the discharging block 9 slides rightwards, and the first discharging port 10 moves to the lower side of the outlet of the bottom side of the hot melting pipe 14;
s5: starting a servo motor 23, wherein after the servo motor 23 contacts the pressing rod 17, the pressing rod 17 is continuously pressed down by a pressure value preset by the controller 3, and chemical materials are extruded through the first discharge port 10;
s6: when the laser sensor 19 detects the annular groove 18, a signal is transmitted to the controller 3, the controller 3 controls the rotating motor 26 to rotate the cutting knife 27 to cut off the extruded chemical material, the extruded chemical material is not used for measurement, and the extruded chemical material is moved out of the electronic scale 4;
s7: the servo motor 23 continues to press down according to the preset time of the controller 3, and meanwhile, the rotating motor 26 cuts the extruded chemical material according to the preset sampling times and sampling time intervals of the controller 3, and the cut chemical material falls on the electronic scale 4;
s8: after the sampling is completed, the servo motor 23 stops pressing down and lifting up for resetting, the electric clamping jaw 21 is started to clamp the material pressing rod 17, meanwhile, the telescopic motor I13 stretches out, the discharging block 9 slides leftwards, the middle of the discharging block 9 seals the bottom side outlet of the hot melting pipe 14, and the rest chemical materials are left in the hot melting pipe 14;
s9: after the dropped chemical material sample is weighed by the electronic scale 4, the mass of the sample is received by the data transmission control machine 3, the control machine 3 carries out average calculation with the preset cutting times, and the melt index of the chemical material is calculated;
s10: the first telescopic motor 13 is controlled to extend continuously, the discharging block 9 slides leftwards continuously, and the second discharging port 11 moves to the position below the outlet at the bottom side of the hot melting pipe 14;
s11: the electric clamping jaw 21 is controlled to loosen the material pressing rod 17, meanwhile, the servo motor 23 is controlled to contact the material pressing rod 17 and then continuously press downwards, redundant chemical materials are extruded from the hot melting pipe 14, residual chemical materials in the hot melting pipe 14 and the second discharging hole 11 are cleaned, and the chemical materials are manually processed after falling on the electronic scale 4;
s12: after extrusion is finished, resetting the servo motor 23, controlling the output end of the second telescopic motor 20 to retract, then clamping the compressed material rod 17 by the electric clamping jaw 21, and controlling the output end of the second telescopic motor 20 to extend out for resetting again;
s13: the first telescopic motor 13 is controlled to retract, so that the discharging block 9 moves rightwards, the middle of the discharging block 9 seals the outlet at the bottom side of the hot melting pipe 14, and at the moment, the first discharging port 10 is communicated with the cleaning port 28;
s14: the third telescopic motor 30 is controlled to enable the cleaning rod 29 to ascend, the cleaning rod 29 penetrates the cleaning port 28 and the first discharge port 10, then the third telescopic motor 30 is controlled to retract again, and the cleaning rod 29 is reset, so that residual chemical materials in the first discharge port 10 are cleaned.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a melt index testing arrangement for chemical material, includes box (1), its characterized in that: the automatic control device is characterized in that a placement table (2) is arranged on the lower side of the box body (1), a control machine (3) is arranged on the lower side of the placement table (2), the control machine (3) is fixedly connected to the bottom side of the box body (1), an electronic scale (4) is fixedly connected to the lower surface of the placement table (2), a constant temperature box (5) is fixedly connected to the upper side of the box body (1), heating rods (6) are fixedly connected to the inner walls of the front side and the rear side of the constant temperature box (5), a temperature sensor (7) is fixedly connected to the inner wall of the left side of the constant temperature box (5), a signal output end of the temperature sensor (7) penetrates through the cavity wall of the constant temperature box (5) to be connected with the control machine (3) in a signal mode, a straight notch (8) is formed in the bottom of the constant temperature box (5), a discharging block (9) is connected to the lower surface of the inside of the constant temperature box (5) in a sliding mode, the discharging block (9) is located above the straight notch (8), a first discharging port (10) and a second discharging port (11) are respectively formed in the left end and right end of the constant temperature box (5), a connecting rod (13) is fixedly connected to the left end of the constant temperature box (12), and a connecting rod (13) is fixedly connected to the left end of the connecting rod (13) and the connecting rod (13) in a telescopic mode.
A hot melting pipe (14) is arranged above the discharging block (9), a bracket (31) is fixedly connected to the hot melting pipe (14), the hot melting pipe (14) is fixedly connected with the inner wall of the constant temperature box (5) through the bracket (31), the bottom side of the hot melting pipe (14) is in direct contact with the upper side of the discharging block (9), a feeding pipe (15) is communicated with the upper end of the hot melting pipe (14), a funnel (16) is communicated with the input end of the feeding pipe (15) penetrating through the cavity wall of the constant temperature box (5), and the funnel (16) is fixedly connected to the constant temperature box (5);
a pressing rod (17) is arranged above the hot melting pipe (14), the pressing rod (17) is in sliding connection with the inner wall of the hot melting pipe (14), the pressing rod (17) partially penetrates through the constant temperature box (5), an annular groove (18) is formed in one end, penetrating out of the constant temperature box (5), of the pressing rod (17), and a laser sensor (19) is fixedly connected to the right side of the constant temperature box (5) and positioned in the horizontal position direction of the pressing rod (17);
the automatic feeding device is characterized in that a second telescopic motor (20) is fixedly connected to the outer wall of the right side of the box body (1), an electric clamping jaw (21) is fixedly connected to the output end of the second telescopic motor (20), a disc (22) is fixedly connected to the upper position of the pressing rod (17) located on the annular groove (18), a servo motor (23) is arranged on the rear side of the box body (1), the servo motor (23) is a common electric press, a pressure sensor (24) is fixedly connected to the output end of the servo motor (23), and the pressure sensor (24) is located right above the pressing rod (17).
2. The melt index apparatus for chemical materials according to claim 1, wherein: the novel box is characterized in that a cavity (25) is formed in the box body (1), a rotating motor (26) is fixedly connected to the inner wall of the cavity (25), the output end of the rotating motor (26) penetrates out of the cavity wall of the box body (1) and is fixedly connected with a cutting knife (27), and the cutting knife (27) is located below the straight notch (8).
3. A melt index apparatus for chemical materials according to claim 2, wherein: the telescopic motor I (13), the telescopic motor II (20), the electric clamping jaw (21), the rotating motor (26), the electronic scale (4), the servo motor (23), the heating rod (6), the laser sensor (19) and the pressure sensor (24) are connected with the controller (3) through signals.
4. The melt index apparatus for chemical materials according to claim 1, wherein: the caliber of the first discharge hole (10) is the standard melt index detection sampling caliber.
5. The melt index apparatus for chemical materials according to claim 1, wherein: the caliber of the second discharging hole (11) is the same as that of the hot melting pipe (14).
6. The melt index apparatus for chemical materials according to claim 1, wherein: the cleaning device is characterized in that a cleaning opening (28) is formed in the left side of the straight groove opening (8), the cleaning opening (28) is communicated with the first discharging opening (10), a cleaning rod (29) is arranged below the cleaning opening (28), the diameter of the cleaning rod (29) and the caliber of the cleaning opening (28) are the same as those of the first discharging opening (10), a telescopic motor III (30) is fixedly connected to one side, away from the cleaning opening (28), of the cleaning rod (29), the telescopic motor III (30) is fixedly connected to the inner wall of the cavity (25), the output end of the telescopic motor III (30) penetrates out of the cavity wall of the box body (1) and is fixedly connected with the cleaning rod (29), and the telescopic motor III (30) is in signal connection with the control machine (3).
7. The method for using the melt index apparatus for chemical materials according to claim 6, wherein:
s1: starting a control machine (3), and manually completing preset values of constant temperature, sampling time, sampling times and nominal pressure load required by the melt index test of the chemical material on the control machine (3);
s2: pouring the prepared chemical materials into a funnel (16) manually, and accumulating the chemical materials in a hot melting pipe (14) through a feed pipe (15);
s3: starting a heating rod (6) through a control machine (3) to enable the temperature in the constant temperature box (5) to reach a preset value of the chemical material;
s4: the electric clamping jaw (21) is controlled to loosen the material pressing rod (17), the material pressing rod (17) presses on the chemical material under the action of gravity, the telescopic motor I (13) is started to retract, the discharging block (9) slides rightwards, and the first discharging port (10) moves to the position below the outlet at the bottom side of the hot melting pipe (14);
s5: starting a servo motor (23), and after the servo motor (23) contacts the material pressing rod (17), continuously pressing the material pressing rod (17) by a pressure value preset by a controller (3), wherein chemical materials can be extruded through a first discharge hole (10);
s6: after the laser sensor (19) detects the annular groove (18), transmitting a signal to the control machine (3), controlling the rotating motor (26) to rotate the cutting knife (27) by the control machine (3) to cut off the extruded chemical material, and removing the extruded chemical material from the electronic scale (4) without measuring;
s7: the servo motor (23) continues to press down according to the preset time of the controller (3), and meanwhile, the rotating motor (26) cuts the extruded chemical materials according to the preset sampling times and sampling time intervals of the controller (3), and the cut chemical materials fall on the electronic scale (4);
s8: after the sampling is finished, the servo motor (23) stops pressing down and is lifted to reset, the electric clamping jaw (21) is started to clamp the material pressing rod (17), meanwhile, the telescopic motor I (13) stretches out, the discharging block (9) slides leftwards, the middle of the discharging block (9) is used for blocking the bottom side outlet of the hot melting pipe (14), and the rest chemical materials are left in the hot melting pipe (14);
s9: after the dropped chemical material sample is weighed by an electronic scale (4), a data transmission control machine (3) is used for controlling the machine (3) to receive the mass of the sample and carrying out average calculation with preset cutting times, so as to calculate the melt index of the chemical material;
s10: the first telescopic motor (13) is controlled to extend continuously, the discharging block (9) slides leftwards continuously, and the second discharging hole (11) moves to the position below the outlet at the bottom side of the hot melting pipe (14);
s11: the electric clamping jaw (21) is controlled to loosen the material pressing rod (17), meanwhile, the servo motor (23) is controlled to contact the material pressing rod (17) and then continuously press downwards, redundant chemical materials are extruded from the hot melting pipe (14), residual chemical materials in the hot melting pipe (14) and the second discharging hole (11) are cleaned, and the chemical materials are manually processed after falling on the electronic scale (4);
s12: after extrusion is finished, resetting the servo motor (23), controlling the output end of the second telescopic motor (20) to retract, then clamping the material pressing rod (17) by the electric clamping jaw (21), and controlling the output end of the second telescopic motor (20) to extend out for resetting again;
s13: the first telescopic motor (13) is controlled to retract, the discharging block (9) moves rightwards, the middle of the discharging block (9) is used for blocking the outlet at the bottom side of the hot melting pipe (14), and at the moment, the first discharging port (10) is communicated with the cleaning port (28);
s14: the telescopic motor III (30) is controlled to enable the cleaning rod (29) to ascend, the cleaning rod (29) penetrates into the cleaning opening (28) and the first discharging opening (10), then the telescopic motor III (30) is controlled to retract again, and the cleaning rod (29) is reset, so that residual chemical materials in the first discharging opening (10) are cleaned.
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