CN111965074A - Melt index appearance convenient to collect sample and measure - Google Patents
Melt index appearance convenient to collect sample and measure Download PDFInfo
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- CN111965074A CN111965074A CN202010683574.9A CN202010683574A CN111965074A CN 111965074 A CN111965074 A CN 111965074A CN 202010683574 A CN202010683574 A CN 202010683574A CN 111965074 A CN111965074 A CN 111965074A
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- 230000008093 supporting effect Effects 0.000 claims abstract description 65
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 239000000155 melt Substances 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims description 47
- 230000005484 gravity Effects 0.000 claims description 28
- 230000000452 restraining effect Effects 0.000 claims description 16
- 230000002401 inhibitory effect Effects 0.000 claims description 14
- 230000005764 inhibitory process Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 12
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 12
- 238000010030 laminating Methods 0.000 description 10
- 239000000725 suspension Substances 0.000 description 10
- 230000001629 suppression Effects 0.000 description 7
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009778 extrusion testing Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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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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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a melt index meter convenient for collecting and measuring samples, which comprises a placing pad and a control host, the placing pad is arranged on the outer wall of the lower end of the control host, a display adjusting panel is embedded in the outer wall of the front end of the control host, a switch button is arranged on the right side of the display adjusting panel, two novel auxiliary supporting devices are additionally arranged between the heat shield of the melt index instrument and the front side of the control host machine, the two novel auxiliary supporting devices can play the role of auxiliary supporting at the front end of the heat shield, therefore, the heat insulation cover can be firmly fixed at the front end of the support plate through the supporting action of the auxiliary supporting device after a plurality of counterweight weights are placed on the weight tray at the top end of the piston rod, the situation that the heat insulation cover is crushed due to heavy weight generated after the counterweight weights are placed too much is prevented, and the auxiliary supporting device can correspondingly adjust the supporting effect of the auxiliary supporting device according to the use condition.
Description
Technical Field
The invention belongs to the technical field related to melt index instruments, and particularly relates to a melt index instrument convenient for collecting and measuring samples.
Background
The melt index meter is programmed by a microprocessor according to a standard test flow, has multiple functions of high temperature rise speed and high constant temperature precision, can quickly recover the constant temperature state after being filled, has the functions of Chinese display, automatic timing, automatic cutting, automatic calculation, automatic printing and the like, is used for enabling a measured object to reach a molten state by a high-temperature heating furnace under a specified temperature condition, performing extrusion test on the measured object in the molten state through a small hole with a certain diameter under the specified weight load gravity, and commonly uses 'melt (mass) flow rate' to express the physical properties of high polymer materials such as fluidity, viscosity and the like in the molten state in the research of plastic production and scientific research units of industrial enterprises, wherein the melt flow rate refers to the average mass of samples of each section of an extruded material and is converted into the extrusion amount of 10 minutes.
The existing melt index instrument technology has the following problems: when the existing melt index meter is used for experiments, materials in a charging barrel are heated by an electric heating wire to be melted, then the piston rod is pressed down by the weight applied by the counterweight, and the piston rod extrudes the materials in the melting state in the charging barrel through the mouth mold when being pressed down, and according to the difference of the tested materials, the weight of the counterweight applied to the upper end of the piston rod is also different, and the weight generated by using a plurality of counterweight for counterweight is heavy, and the piston rod and the charging barrel are both arranged in the heat shield, the weight applied by the counterweight is directly applied to the heat shield, so that the heat shield bears heavier weight and is easy to deform and damage due to the heavy pressure, and the joint between the heat shield and the support plate is easy to loosen, which can affect the normal operation of the melt index test.
Disclosure of Invention
The invention aims to provide a melt index meter convenient for collecting and measuring samples, which solves the problems that the weight of a counterweight applied to the upper end of a piston rod is different according to different experimental materials, the weight generated by using a plurality of counterweights for counterweight is heavy, the piston rod and a charging barrel are both arranged in a heat insulation cover, and the weight applied by the counterweight is directly applied to the heat insulation cover, so that the heat insulation cover bears heavy weight, deformation and damage are easily caused by heavy pressure, and the connection part between the heat insulation cover and a support plate is easily loosened.
In order to achieve the purpose, the invention provides the following technical scheme: a fusion index instrument convenient for collecting samples and measuring comprises a placing pad and a control host, wherein the placing pad is installed on the outer wall of the lower end of the control host, a display adjusting panel is embedded in the outer wall of the front end of the control host, a switch button is arranged on the right side of the display adjusting panel, a support plate is connected to the outer wall of the upper end of the rear side of the control host, a heat insulation cover is connected to the outer wall of the front end of the upper half section of the support plate, a printer is embedded in the outer wall of the front end of the lower side of the support plate, an auxiliary supporting device is connected between the foremost side of the heat insulation cover and the control host, a piston rod penetrates through the vertical inner part of the center of the heat insulation cover, the uppermost end of the piston rod is arranged outside the upper end of the heat insulation cover, a weight tray is connected to the upper end of the piston rod, a, the bottom of weight focus suppression device is connected on the upper end outer wall of heat exchanger, printer and display adjusting panel all pass through main control system and external power source electric connection, supplementary strutting arrangement includes the bottom suspension dagger, heightens the screw rod, goes up support column and laminating pad, it sets up the upside at the bottom suspension dagger to go up the support column, the inside screw that heightens that is provided with the opening of circumference of bottom suspension dagger, be connected with heightening screw rod on the lower extreme outer wall of last support column, heightening the screw cup joint in heightening screw rod's circumference outside, all be provided with the laminating pad on the upper end outer wall of going up support column and the lower extreme outer wall of bottom suspension dagger, it laminates on the bottom outer wall of heat exchanger to go up the laminating pad laminating of support column through the upper end, the laminating pad laminating of bottom suspension dagger through the lower extreme is laminated on the upper end outer wall of main, The butt joint device comprises a butt joint inhibiting ring, a butt joint jack and a butt joint inserted bar, wherein the fixing ring is connected to the outer wall of the upper end of the heat insulation cover, the fixing ring is sleeved outside the circumference of the upper end of the piston rod, the upper end of the fixing ring is provided with the butt joint inhibiting ring, the butt joint inhibiting ring is sleeved outside the circumferences of the weight tray and the balance weight, the butt joint jacks are arranged inside the outer wall of the upper end of the butt joint inhibiting ring and inside the outer wall of the upper end of the fixing ring, the butt joint inserted bar is arranged on the outer wall of the lower end of the butt joint inhibiting ring, and the butt joint inserted.
Preferably, the vertical internal connection of heat shield center department has the feed cylinder, the inside position sleeve that has inlayed of heat shield upper end center department outer wall, the inside bush that opens downwards that is provided with of heat shield lower extreme center department outer wall, the piston rod runs through the position sleeve and sets up inside the circumference of feed cylinder bottom end, the bottom of piston rod is connected with the backing plate, the feed cylinder bottom of bush one side is connected with temperature sensor.
Preferably, the heating wire is further wound on the circumferential outer wall of the charging barrel and electrically connected with an external power supply, and aluminum silicate wool is further filled between the charging barrel and the heat shield.
Preferably, the placing pad is fixedly connected with the control host through screws and adhesives, the peripheral outer walls of the placing pad and the control host are respectively parallel and level, the control host is fixedly connected with the support plate at the upper end of the rear side through welding, and the support plate and the control host are in a vertical state.
Preferably, the auxiliary supporting devices are provided with two auxiliary supporting devices, the two auxiliary supporting devices are identical in shape, size and structural composition, the length of the auxiliary supporting devices after being adjusted to the minimum state is smaller than the gap distance between the outer wall of the bottom of the heat shield and the outer wall of the upper end of the control host, and the length of the auxiliary supporting devices after being adjusted to the maximum state is larger than the gap distance between the outer wall of the bottom of the heat shield and the outer wall of the upper end of the control host.
Preferably, the butt joint inhibition ring is provided with ten totally, ten the butt joint jack and the butt joint inserted bar that do not are provided with six equidistance arrangements are equallyd divide on the upper end outer wall inside and the lower extreme outer wall of butt joint inhibition ring, the circumference outside at the butt joint inserted bar can be complete cup joint to the butt joint jack, the height of butt joint inhibition ring equals with the thickness of counter weight, the clearance distance between the circumference inner wall of butt joint inhibition ring and the circumference outer wall of counter weight is one millimeter at zero.
Preferably, the length of the piston rod is larger than the height of the heat shield, the circle center of the piston rod is vertically overlapped with the circle centers of the charging barrel and the mouth mold, and the base plate at the lowest end of the piston rod can completely seal the upper end opening of the mouth mold.
Compared with the prior art, the invention provides the melt index instrument convenient for collecting and measuring the sample, which has the following beneficial effects:
1. the two novel auxiliary supporting devices are additionally arranged between the heat insulation cover of the melt index instrument and the front side of the control host, and can play a role of auxiliary supporting at the front end of the heat insulation cover, so that the heat insulation cover can be firmly fixed at the front end of the support plate through the supporting function of the auxiliary supporting devices after a plurality of counterweight weights are placed on the weight tray at the top end of the piston rod, the situation that the heat insulation cover is crushed due to heavy weight generated after the counterweight weights are placed too much is prevented, the supporting force of the two novel auxiliary supporting devices on the front end of the heat insulation cover can be changed by adjusting the length of the two novel auxiliary supporting devices, the supporting effect of the auxiliary supporting devices can be correspondingly adjusted according to the use situation, and the heat insulation cover can ensure that a charging barrel in the heat insulation cover can normally and stably carry out melt index test after being reinforced by the auxiliary supporting devices, when the two auxiliary supporting devices are used and adjusted, when the two auxiliary supporting devices are not used, the whole length of the two auxiliary supporting devices is smaller than the gap distance between the outer wall of the bottom of the heat shield and the outer wall of the upper end of the control host, so that the auxiliary supporting devices are only required to be vertically placed between the heat shield and the front side of the control host, then the upper supporting column and the lower supporting column are respectively held by two hands, the upper supporting column is rotated anticlockwise, the upper supporting column can drive the heightening screw rod at the bottom of the upper supporting column to synchronously rotate when independently rotated, the heightening screw rod is connected in the heightening screw hole in the lower supporting column, and the heightening screw rod can slowly withdraw from the heightening screw hole upwards through the screw action when anticlockwise rotated, so that the use length of the whole auxiliary supporting device can be increased until the length of the whole auxiliary supporting device is adjusted until the joint cushion at the upper end of the upper supporting column is jointed on the outer wall of the bottom, the joint pads at the lower end of the lower support column are jointed on the outer wall of the upper end of the control host, and then the upper support column is rotated anticlockwise continuously for several circles, so that the two joint pads are firmly abutted against the outer wall of the lower end of the heat shield and the outer wall of the upper end of the control host respectively, at the moment, the total upper end of the adjusted auxiliary support device is slightly larger than the gap distance between the outer wall of the bottom of the heat shield and the outer wall of the upper end of the control host, so that the auxiliary support device can support the heat shield between the heat shield and the front side of the control host, and after the weight formed by stacking a plurality of counterweight weights is heavy, the heat shield can bear the weight completely under the auxiliary support action of the two auxiliary support devices, so that the whole melt index instrument can be ensured to work normally and stably;
2. according to the invention, the novel weight gravity center restraining device is additionally arranged outside the upper end of the piston rod, the novel weight gravity center restraining device can be arranged on the outer wall of the upper end of the heat insulation cover and can play a role in restraining the placing angle of the weight tray and the weight weights connected with the upper end of the piston rod, when a plurality of weight weights are stacked on the weight tray layer by layer, the weight gravity center restraining device can restrain the gravity centers of the plurality of weight weights stacked up and down in a state of being vertically overlapped with the circle center of the piston rod, so that the weight can be accurately applied to the piston rod after the plurality of weight weights are stacked up and down, the situation that the gravity centers of the weight weights are deviated due to inaccurate stacking positions or local defects can be prevented, and the situation that the backing plate at the bottom of the piston rod cannot keep a vertical state and materials are accurately extruded from the opening of the mouth mold due to gravity center deviation of the weight when the weight is used is Appear, can guarantee through weight focus suppression device after restraining the focus of counter weight that the backing plate of its bottom can be complete after the piston receives the weight to keep the vertical state to insert the bush opening part and carry out the material and extrude, guarantee that the feed cylinder is inside to go on under normal condition always when carrying out the melt index test.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic view of the external perspective of a melt index meter for facilitating the collection and measurement of samples according to the present invention;
FIG. 2 is a schematic view of the internal cross-section of a melt index apparatus for facilitating the collection and measurement of samples according to the present invention;
FIG. 3 is a schematic vertical cross-sectional view of an auxiliary supporting device according to the present invention;
FIG. 4 is a schematic view of a vertical cross-sectional structure of the weight center of gravity suppression device provided by the invention;
in the figure: 1. placing the pad; 2. a control host; 3. a display adjustment panel; 4. switching a key; 5. an auxiliary support device; 6. a mounting plate; 7. a printer; 8. a heat shield; 9. a weight center of gravity suppression device; 10. a piston rod; 11. a weight tray; 12. counterweight weights; 13. a base plate; 14. aluminum silicate cotton; 15. a charging barrel; 16. a positioning sleeve; 17. an electric heating wire; 18. a temperature sensor; 19. a neck ring mold; 20. a lower support pillar; 21. heightening the screw hole; 22. adjusting the height of the screw rod; 23. an upper support column; 24. attaching a pad; 25. a fixing ring; 26. butting a suppression ring; 27. butting the jacks; 28. and butting the inserted bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a fusion index instrument convenient for collecting samples and measuring comprises a placing pad 1 and a control host 2, wherein the placing pad 1 is arranged on the outer wall of the lower end of the control host 2, the placing pad 1 is fixedly connected with the control host 2 through screws and adhesives, the placing pad 1 is flush with the peripheral outer walls of the control host 2 respectively, the control host 2 is fixedly connected with a support plate 6 at the upper end of the rear side through welding, the support plate 6 is vertical to the control host 2, a display adjusting panel 3 is embedded in the outer wall of the front end of the control host 2, a switch button 4 is arranged at the right side of the display adjusting panel 3, the outer wall of the upper end of the rear side of the control host 2 is connected with the support plate 6, a heat insulation cover 8 is connected on the outer wall of the front end of the upper half section of the support plate 6, a printer 7 is embedded in the outer wall of the front end of the lower side of the support plate 6, the auxiliary supporting devices 5 are provided with two auxiliary supporting devices 5, the shape, size and structural composition of the two auxiliary supporting devices 5 are the same, the length of the two auxiliary supporting devices 5 after being adjusted to the minimum state is smaller than the gap distance between the outer wall of the bottom of the heat shield 8 and the outer wall of the upper end of the control host machine 2, the length of the two auxiliary supporting devices 5 after being adjusted to the maximum state is larger than the gap distance between the outer wall of the bottom of the heat shield 8 and the outer wall of the upper end of the control host machine 2, a piston rod 10 penetrates through the vertical inner part of the center of the heat shield 8, the length of the piston rod 10 is larger than the height of the heat shield 8, the circle center of the piston rod 10 is vertically superposed with the circle centers of the charging barrel 15 and the mouth mold 19, a base plate 13 at the lowest end of the piston rod 10 can completely seal the upper end opening of the mouth, an extrusion test is carried out by a piston rod 10 through a small hole with a certain diameter, namely a neck ring 19, under the load gravity of a specified counterweight 12, the uppermost end of the piston rod 10 is arranged outside the upper end of a heat insulation cover 8, the upper end of the piston rod 10 is connected with a counterweight disc 11, the upper end of the counterweight disc 11 is connected with the counterweight 12, the weight gravity center restraining device 9 is sleeved outside the circumference of the upper end of the piston rod 10, the bottom of the weight gravity center restraining device 9 is connected on the outer wall of the upper end of the heat insulation cover 8, a printer 7 and a display adjusting panel 3 are both electrically connected with an external power supply through a control host machine 2, a charging barrel 15 is vertically connected inside the center of the heat insulation cover 8, a positioning sleeve 16 is embedded inside the outer wall of the center of the upper end of the heat insulation cover 8, the neck ring 19 with a downward opening is arranged, the bottom of piston rod 10 is connected with backing plate 13, the 15 bottom ends of feed cylinder on one side of bush 19 are connected with temperature sensor 18, it has heating wire 17 still to twine on the 15 circumference outer walls of feed cylinder, heating wire 17 and external power source electric connection, it has aluminium silicate cotton 14 still to fill between feed cylinder 15 and the heat shield 8, aluminium silicate cotton 14 can prevent that the heat that heating wire 17 sent from conducting to the heat shield 8 and scalding operating personnel's the condition and taking place, and heating wire 17 generates heat soon and the temperature is controllable after the circular telegram, thereby can reach the accurate control purpose.
The utility model provides a melt index appearance convenient to collect sample and measure, auxiliary supporting device 5 includes bottom suspension dagger 20, heighten screw 21, heighten screw rod 22, go up support column 23 and laminating pad 24, it sets up the upside at bottom suspension dagger 20 to go up support column 23, the inside heightening screw 21 that is provided with the opening upwards of circumference of bottom suspension dagger 20, be connected with heighten screw rod 22 on the lower extreme outer wall of last support column 23, heighten screw rod 21 cup joints in heightening screw rod 22's circumference outside, all be provided with laminating pad 24 on the upper end outer wall of last support column 23 and the lower extreme outer wall of bottom suspension dagger 20, it laminates on the bottom outer wall of heat-proof cover 8 to go up support column 23 through laminating pad 24 of upper end, bottom suspension dagger 20 laminates on the upper end outer wall of main control system 2 through laminating pad 24 of lower extreme, when using and adjusting two auxiliary supporting device 5, when not using, two auxiliary supporting device 5's whole length all is less than the clearance distance between heat-proof cover 8 bottom outer wall Therefore, at this time, the auxiliary supporting device 5 only needs to be vertically placed between the heat shield 8 and the front side of the control host 2, then the upper supporting column 23 and the lower supporting column 20 are respectively held by two hands, and the upper supporting column 23 is rotated counterclockwise, when the upper supporting column 23 is rotated alone, the height-adjusting screw 22 at the bottom of the upper supporting column is driven to synchronously rotate, and the height-adjusting screw 22 is connected in the height-adjusting screw hole 21 inside the lower supporting column 20, so that when the height-adjusting screw 22 is rotated counterclockwise, the height-adjusting screw hole 21 is slowly withdrawn upwards through the screw action with the height-adjusting screw hole 21, so that the use length of the whole auxiliary supporting device 5 is increased until the length of the whole auxiliary supporting device 5 is adjusted until the joint pad 24 at the upper end of the upper supporting column 23 is jointed on the outer wall at the bottom of the heat shield 8, and the joint pad 24 at the lower end of the lower supporting column 20 is, then, the upper support column 23 is rotated counterclockwise several times to make the two joint pads 24 firmly abut against the outer wall of the lower end of the heat shield 8 and the outer wall of the upper end of the control host 2, at this time, because the total upper end of the adjusted auxiliary support device 5 is slightly larger than the gap distance between the outer wall of the bottom of the heat shield 8 and the outer wall of the upper end of the control host 2, the auxiliary support device 5 will support the heat shield 8 between the heat shield 8 and the front side of the control host 2, so that when the weight formed by stacking a plurality of counterweight weights 12 is heavy, the heat shield 8 can bear the weight completely by the auxiliary support of the two auxiliary support devices 5, the weight gravity center suppression device 9 comprises a fixing ring 25, a butt-joint suppression ring 26, a butt-joint jack 27 and a butt-joint insertion rod 28, the fixing ring 25 is connected to the upper end of the outer wall of the heat shield 8, the fixed ring 25 is sleeved outside the circumference of the upper end of the piston rod 10, the upper end of the fixed ring 25 is provided with a butt joint inhibiting ring 26, the butt joint inhibiting ring 26 is sleeved outside the circumferences of the weight tray 11 and the counterweight 12, the inner part of the outer wall of the upper end of the butt joint inhibiting ring 26 and the inner part of the outer wall of the upper end of the fixed ring 25 are both provided with butt joint jacks 27, the outer wall of the lower end of the butt joint inhibiting ring 26 is provided with butt joint jacks 28, the butt joint jacks 28 at the bottom of the butt joint inhibiting ring 26 are connected inside the circumferences of the butt joint jacks 27 on the fixed ring 25, the butt joint inhibiting ring 26 is provided with ten, the inner parts of the outer wall of the upper end and the outer wall of the lower end of the ten butt joint inhibiting rings 26 are respectively provided with six butt joint jacks 27 and butt joint jacks 28 which are arranged at equal intervals, the butt joint jacks 27 can be completely sleeved outside the circumferences of the butt joint jacks 28, the, after the plurality of counterweight weights 12 are stacked on the weight tray 11 layer by layer, the weight gravity center restraining device 9 can limit the gravity centers of the plurality of counterweight weights 12 stacked up and down to be in a state of vertically coinciding with the circle center of the piston rod 10, so that the weight can be accurately applied to the piston rod 10 after the plurality of counterweight weights 12 are stacked up and down, the situation that the gravity centers of the counterweight weights 12 deviate due to inaccurate stacking positions or local defects can be prevented, and the situation that the backing plate 13 at the bottom of the piston rod 10 cannot keep a vertical state and accurately extrudes materials from the opening of the port 19 due to the fact that the counterweight weights 12 deviate in the use process is prevented.
The working principle and the using process of the invention are as follows: after the invention is installed, when the melt index instrument is used, firstly, the melt index instrument needs to be placed on a position to be used through the placing pad 1 at the bottom of the control host machine 2, then the melt index instrument is electrified for use, then, when the melt index instrument is used, firstly, the positioning sleeve 16 in the top end of the heat insulation cover 8 needs to be opened, and the tested material needs to be placed in the charging barrel 15, then the positioning sleeve 16 is closed again, then, the whole melt index instrument needs to be electrified and is in a working state through the display adjusting panel 3 on the control host machine 2, the electric heating wire 17 wound outside the charging barrel 15 can be heated and slowly melted, the tested object is enabled to reach a melting state through a high-temperature heating furnace, the tested object in the melting state is subjected to an extrusion test through a small hole with a certain diameter under the specified weight load gravity, in the research of plastic production and scientific research units of industrial enterprises, the physical properties such as fluidity, viscosity and the like of a high polymer material in a molten state are commonly expressed by a 'melt (mass) flow rate', the melt flow rate refers to the average mass of each section of a sample of an extruded material converted into an extrusion amount of ten minutes, a novel weight gravity center restraining device 9 is additionally arranged outside the upper end of a piston rod 10, the novel weight gravity center restraining device 9 is arranged on the outer wall of the upper end of a heat insulation cover 8 and can play a role in restraining the placing angle of a weight tray 11 connected with the upper end of the piston rod 10 and a counterweight 12, after a plurality of counterweight 12 are stacked on the weight tray 11 layer by layer, the weight gravity center restraining device 9 can restrain the gravity centers of a plurality of counterweight 12 stacked up and down in a state of vertically coinciding with the circle center of the piston rod 10, so that the counterweight 12 can accurately apply weight on the piston rod 10 after being stacked up and down, therefore, the situation that the gravity center of the counterweight 12 deviates due to inaccurate superposition positions or local defects can be prevented from occurring, the situation that the backing plate 13 at the bottom of the piston rod 10 cannot keep a vertical state and accurately extrudes materials from the opening of the neck ring mold 19 due to gravity center deviation of the counterweight 12 in use is prevented from occurring, and the situation that the backing plate 13 at the bottom of the piston can be completely kept in a vertical state and inserted into the opening of the neck ring mold 19 for material extrusion after the gravity center of the counterweight 12 is restrained by the counterweight gravity center restraining device 9 can be ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A melt index appearance convenient to collect sample and measure, includes and lays pad (1) and main control system (2), its characterized in that: the placing pad (1) is installed on the outer wall of the lower end of the control host (2), a display adjusting panel (3) is embedded in the outer wall of the front end of the control host (2), a switch button (4) is arranged on the right side of the display adjusting panel (3), a support plate (6) is connected to the outer wall of the upper end of the rear side of the control host (2), a heat insulation cover (8) is connected to the outer wall of the front end of the upper half section of the support plate (6), a printer (7) is embedded in the inner portion, close to the outer wall of the front end of the lower side, of the support plate (6), an auxiliary supporting device (5) is connected between the foremost side of the heat insulation cover (8) and the control host (2), a piston rod (10) penetrates through the vertical inner portion of the center of the heat insulation cover (8), the uppermost end of the piston rod (10) is arranged on the outer portion of the upper, the upper end of the weight tray (11) is connected with a counterweight (12), the weight gravity center inhibiting device (9) is sleeved outside the circumference of the upper end of the piston rod (10), the bottom of the weight gravity center inhibiting device (9) is connected to the outer wall of the upper end of the heat insulation cover (8), the printer (7) and the display adjusting panel (3) are electrically connected with an external power supply through the control host (2), the auxiliary supporting device (5) comprises a lower supporting column (20), a height adjusting screw hole (21), a height adjusting screw rod (22), an upper supporting column (23) and a fitting pad (24), the upper supporting column (23) is arranged on the upper side of the lower supporting column (20), a height adjusting screw hole (21) with an upward opening is formed inside the circumference of the lower supporting column (20), a height adjusting screw rod (22) is connected to the outer wall of the lower end of the upper supporting column (23), and the height adjusting screw hole (21) is sleeved outside the circumference of the height adjusting screw rod, the upper support column (23) is provided with a joint pad (24) on the outer wall of the upper end of the upper support column (23) and the outer wall of the lower end of the lower support column (20), the upper support column (23) is jointed on the outer wall of the bottom of the heat insulation cover (8) through the joint pad (24) at the upper end, the lower support column (20) is jointed on the outer wall of the upper end of the control host (2) through the joint pad (24) at the lower end, the weight gravity center restraining device (9) comprises a fixing ring (25), a butt joint restraining ring (26), a butt joint jack (27) and a butt joint inserted link (28), the fixing ring (25) is connected on the outer wall of the upper end of the heat insulation cover (8), the fixing ring (25) is sleeved outside the circumference of the upper end of the piston rod (10), the upper end of the fixing ring (25) is provided with the butt joint restraining ring (26), and the, the butt joint device is characterized in that a butt joint jack (27) is arranged inside the outer wall of the upper end of the butt joint inhibition ring (26) and inside the outer wall of the upper end of the fixing ring (25), a butt joint inserted bar (28) is arranged on the outer wall of the lower end of the butt joint inhibition ring (26), and the butt joint inserted bar (28) at the bottom of the butt joint inhibition ring (26) is connected inside the circumference of the butt joint jack (27) on the fixing ring (25).
2. A melt index meter for facilitating the collection and measurement of samples according to claim 1, wherein: it has feed cylinder (15) to separate vertical internal connection of heat exchanger (8) center department, it has position sleeve (16) to separate the inside embedded position of heat exchanger (8) upper end center department outer wall, it is provided with opening decurrent bush (19) to separate heat exchanger (8) lower extreme center department outer wall inside, piston rod (10) run through position sleeve (16) and set up inside the circumference of feed cylinder (15) bottom, the bottom of piston rod (10) is connected with backing plate (13), feed cylinder (15) bottom on one side of bush (19) is connected with temperature sensor (18).
3. A melt index meter for facilitating the collection and measurement of samples according to claim 2, wherein: still twine on the feed cylinder (15) circumference outer wall and have heating wire (17), heating wire (17) and external power source electric connection, still pack between feed cylinder (15) and heat exchanger (8) and have aluminium silicate cotton (14).
4. A melt index meter for facilitating the collection and measurement of samples according to claim 1, wherein: lay pad (1) and main control system (2) and pass through screw and adhesive fixed connection, lay the outer wall parallel and level respectively all around of pad (1) and main control system (2), main control system (2) passes through welded fastening with mounting panel (6) of rear side upper end and is connected, be the vertical state between mounting panel (6) and main control system (2).
5. A melt index meter for facilitating the collection and measurement of samples according to claim 1, wherein: auxiliary stay device (5) are provided with two, two the shape size and the structure of auxiliary stay device (5) constitute equally same, two length after auxiliary stay device (5) are adjusted the minimum condition all is less than the clearance distance between heat exchanger (8) bottom outer wall and main control system (2) upper end outer wall, two length after auxiliary stay device (5) are adjusted the maximum condition all is greater than the clearance distance between heat exchanger (8) bottom outer wall and main control system (2) upper end outer wall.
6. A melt index meter for facilitating the collection and measurement of samples according to claim 1, wherein: the utility model discloses a docking mechanism, including docking inhibition ring (26), docking inhibition ring (26) and docking inserted bar (28), docking inhibition ring (26) are provided with ten altogether equally divide on the upper end outer wall inside and the lower extreme outer wall of docking inhibition ring (26) and do not be provided with docking insertion hole (27) and docking inserted bar (28) that six equidistance were arranged, docking insertion hole (27) can be complete cup joint outside the circumference of docking inserted bar (28), the height of docking inhibition ring (26) equals with the thickness of counter weight (12), the clearance distance between the circumference inner wall of docking inhibition ring (26) and the circumference outer wall of counter weight (12) is one millimeter at zero point.
7. A melt index meter for facilitating the collection and measurement of samples according to claim 2, wherein: the length of the piston rod (10) is larger than the height of the heat shield (8), the circle center of the piston rod (10) is vertically overlapped with the circle centers of the charging barrel (15) and the mouth mold (19), and the base plate (13) at the lowest end of the piston rod (10) can completely seal the upper end opening of the mouth mold (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683574.9A CN111965074A (en) | 2020-07-15 | 2020-07-15 | Melt index appearance convenient to collect sample and measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683574.9A CN111965074A (en) | 2020-07-15 | 2020-07-15 | Melt index appearance convenient to collect sample and measure |
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| Publication Number | Publication Date |
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| CN111965074A true CN111965074A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010683574.9A Pending CN111965074A (en) | 2020-07-15 | 2020-07-15 | Melt index appearance convenient to collect sample and measure |
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| Country | Link |
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| CN (1) | CN111965074A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0164047U (en) * | 1987-10-16 | 1989-04-25 | ||
| CN206378388U (en) * | 2017-01-10 | 2017-08-04 | 东莞市锡华检测仪器有限公司 | A kind of fusion index instrument for being easy to clean |
| CN206515192U (en) * | 2017-02-25 | 2017-09-22 | 东莞市广测自动化设备有限公司 | A kind of melt index tester of automatic loading counterweight |
| CN208588641U (en) * | 2018-03-22 | 2019-03-08 | 杨丽芳 | A kind of melt flow rate (MFR) analyzer |
-
2020
- 2020-07-15 CN CN202010683574.9A patent/CN111965074A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0164047U (en) * | 1987-10-16 | 1989-04-25 | ||
| CN206378388U (en) * | 2017-01-10 | 2017-08-04 | 东莞市锡华检测仪器有限公司 | A kind of fusion index instrument for being easy to clean |
| CN206515192U (en) * | 2017-02-25 | 2017-09-22 | 东莞市广测自动化设备有限公司 | A kind of melt index tester of automatic loading counterweight |
| CN208588641U (en) * | 2018-03-22 | 2019-03-08 | 杨丽芳 | A kind of melt flow rate (MFR) analyzer |
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