CN213516753U

CN213516753U - Melt index testing machine

Info

Publication number: CN213516753U
Application number: CN202022294403.5U
Authority: CN
Inventors: 肖勇; 李开通; 苏江锋
Original assignee: Dongguan Daxian Automation Equipment Co ltd
Current assignee: Dongguan Daxian Automation Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-22
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a melt index testing machine, which comprises a base, a stand column, a universal horizontal bubble, a heat protection backing plate, a heat protection cover plate, a mouth mold sleeve, a heating cylinder, a positioning sleeve, an inner heat protection barrel, a heat protection shell, a piston rod, a tray, a weight, an ear plate, a threaded lead screw, an adjusting nut, a support leg, an operation panel, a power supply sealing plate, a power supply socket, a sizing material plectrum, a printer, a back sealing plate, a push-pull rod and a handle; the utility model discloses a, protect hot apron, the die sleeve, interior hot bucket and the hot shell of protecting through the setting, the radiating efficiency of testing machine has not only been improved, still make things convenient for personnel to carry out thorough recovery and clearance to the clout in the cartridge heater, the clearance degree of difficulty of cartridge heater has been reduced, the waste of resource has been avoided, add universal spirit bubble, the otic placode, screw lead screw and adjusting nut, thereby make things convenient for personnel to carry out the regulation of different heights to the stabilizer blade, the calibration degree of difficulty of testing machine levelness has been reduced, experimental time has been saved, the degree of accuracy of melt index has been improved.

Description

Melt index testing machine

Technical Field

The utility model relates to a testing machine technical field specifically is a melt index testing machine.

Background

A melt index tester measures the rate of extrusion of molten plastic through a die orifice of a predetermined length and diameter by a timing measurement method under conditions of a predetermined temperature, load and position of a piston in a cylinder before the product or material is put into use, to determine the uniformity of the polymer flow rate during the process.

However, the most inconvenient dismantlement of traditional melt index testing machine, the radiating efficiency is poor after using, inconvenient clearance, the inevitable waste that has caused the resource has reduced experimental efficiency to traditional melt index testing machine mostly does not possess the levelness regulatory function, needs the manual work to level the face of placing before using, not only wastes time and energy, still produces easily and thinks the error, has reduced the degree of accuracy of melt index.

Therefore, it is necessary to design a melt index tester.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a melt index testing machine to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a melt index testing machine comprises a base, a stand column, universal horizontal bubbles, a heat protection base plate, a heat protection cover plate, a mouth mold sleeve, a heating cylinder, a positioning sleeve, an inner heat protection barrel, a heat protection shell, a piston rod, a tray, a weight, an ear plate, a threaded lead screw, an adjusting nut, a support leg, an operation panel, a power supply sealing plate, a power supply socket, a sizing material stirring sheet, a printer, a back sealing plate, a push-pull rod and a handle, wherein one side of the top of the base is fixedly connected with the bottom of the stand column, the universal horizontal bubbles are fixedly installed at the center of the top of the stand column, the middle section and the top end of the front of the stand column are fixedly connected with the back surfaces of the heat protection base plate and the heat protection cover plate respectively, the mouth mold sleeve is fixedly embedded in the center of the top of the heat protection base plate, the outer edge of the top of the mouth mold sleeve is fixedly connected with the bottom of the heating cylinder, the, the side surfaces of the heat protection cover plate and the heat protection backing plate are respectively and fixedly connected with the top end and the bottom end of the inner wall of the inner heat protection barrel, and the outer wall of the inner heat protection barrel is coated with a heat protection shell; the inside of heating cylinder and position sleeve all inlays the one end that is equipped with the piston rod, the middle section fixed mounting of piston rod has the tray, and the other end of piston rod has cup jointed the weight, the bottom of weight contacts with the top of tray.

Furthermore, the bottom of base both sides all is provided with the otic placode, the both sides at otic placode top all inlay through ball bearing and are equipped with the screw thread lead screw, the top of screw thread lead screw and the central fixed connection of adjusting nut bottom, and the bottom of screw thread lead screw and the central fixed connection at stabilizer blade top.

Furthermore, an operation panel is arranged on the other side of the top of the base, a power supply sealing plate is fixedly embedded at the bottom end of the back of the base, and a power supply socket is formed in one corner of the back of the power supply sealing plate.

Furthermore, the center and the bottom end of the front surface of the upright post are respectively and fixedly provided with a sizing material shifting sheet and a printer, and the center of the back surface of the upright post is fixedly embedded with a back sealing plate.

Furthermore, a push-pull rod is fixedly installed on one side of the heat protection base plate, and a handle is fixedly installed at one end of the push-pull rod.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: according to the melt index testing machine, the heat protection cover plate, the mouth die sleeve, the inner heat protection barrel and the heat protection shell are arranged, so that the heat dissipation efficiency of the testing machine is improved, personnel can conveniently and thoroughly recover and clean excess materials in the heating barrel, the cleaning difficulty of the heating barrel is reduced, and the waste of resources is avoided; the universal level bubble, the lug plate, the threaded screw rod and the adjusting nut are additionally arranged, so that the personnel can conveniently adjust the heights of the support legs, the calibration difficulty of the levelness of the testing machine is reduced, and the accuracy of the melt index is improved.

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 embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is an exploded view of the planar structure of the present invention;

FIG. 3 is a front view of the overall structure of the present invention;

fig. 4 is a left side view of the overall structure of the present invention;

in the figure: 1. a base; 2. a column; 3. a universal horizontal bubble; 4. protecting a hot base plate; 5. a heat protection cover plate; 6. a die sleeve; 7. a heating cylinder; 8. a positioning sleeve; 9. an inner heat protection barrel; 10. a heat-protective housing; 11. a piston rod; 12. a tray; 13. a weight; 14. an ear plate; 15. a threaded lead screw; 16. adjusting the nut; 17. a support leg; 18. an operation panel; 19. a power supply closing plate; 20. a power outlet; 21. a sizing material plectrum; 22. a printer; 23. a back sealing plate; 24. a push-pull rod; 25. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a melt index testing machine comprises a base 1, a stand column 2, a universal horizontal bubble 3, a heat protection cushion plate 4, a heat protection cover plate 5, a die sleeve 6, a heating cylinder 7, a positioning sleeve 8, an inner heat protection barrel 9, a heat protection shell 10, a piston rod 11, a tray 12, weights 13, ear plates 14, a threaded screw rod 15, an adjusting nut 16, support legs 17, an operation panel 18, a power supply seal plate 19, a power supply socket 20, a sizing material plectrum 21, a printer 22, a back seal plate 23, a push-pull rod 24 and a handle 25, wherein one side of the top of the base 1 is fixedly connected with the bottom of the stand column 2, the other side of the top of the base 1 is provided with the operation panel 18, the bottom of the back of the base 1 is fixedly embedded with the power supply seal plate 19, one corner of the back of the power supply seal plate 19 is provided with the power supply socket 20, the center and the bottom of the front of the stand column 2 are, the center of the top of the upright post 2 is fixedly provided with a universal horizontal bubble 3, the middle section and the top end of the front of the upright post 2 are fixedly connected with the back of a heat protection backing plate 4 and the back of a heat protection cover plate 5 respectively, one side of the heat protection backing plate 4 is fixedly provided with a push-pull rod 24, one end of the push-pull rod 24 is fixedly provided with a handle 25, the center of the top of the heat protection backing plate 4 is fixedly embedded with a mouth mold sleeve 6, the outer edge of the top of the mouth mold sleeve 6 is fixedly connected with the bottom of a heating cylinder 7, the top of the heating cylinder 7 is fixedly connected with the center of the bottom of the heat protection cover plate 5, the center of the top of the heat protection cover plate 5 is fixedly embedded with a positioning sleeve 8, the side surfaces of the heat protection backing plate 5 and the heat protection backing plate 4 are fixedly connected with the top end and; one end of a piston rod 11 is embedded in the heating cylinder 7 and the positioning sleeve 8, a tray 12 is fixedly installed in the middle section of the piston rod 11, a weight 13 is sleeved on the other end of the piston rod 11, the bottom of the weight 13 is in contact with the top of the tray 12, and by arranging the heat protection cover plate 5, the neck mold sleeve 6, the inner heat protection barrel 9 and the heat protection shell 10, the heat dissipation efficiency of the testing machine is improved, personnel can conveniently and thoroughly recover and clean excess materials in the heating cylinder 7, the cleaning difficulty of the heating cylinder 7 is reduced, and resource waste is avoided; the bottom ends of two sides of the base 1 are respectively provided with an ear plate 14, two sides of the top of each ear plate 14 are respectively embedded with a threaded screw rod 15 through a ball bearing, the top end of each threaded screw rod 15 is fixedly connected with the center of the bottom of an adjusting nut 16, the bottom end of each threaded screw rod 15 is fixedly connected with the center of the top of a support leg 17, and a universal horizontal bubble 3, the ear plates 14, the threaded screw rods 15 and the adjusting nuts 16 are additionally arranged, so that personnel can conveniently adjust the height of the support legs 17 at different heights, the calibration difficulty of the levelness of the testing machine is reduced, the testing time is saved, and the accuracy of the melt; the utility model is operated by firstly placing the testing machine at a preset position, rotating the screw lead screw 15 by screwing the adjusting nut 16, respectively adjusting the distance between the four support legs 17 and the ear plate 14, and matching with the universal level bubble 3 to calibrate the levelness of the testing machine, then inserting the power connection into the power socket 20 of the power supply sealing plate 19, setting the material cutting frequency through the operation panel 18 on the base 1, preheating the heating cylinder 7 to a proper temperature, then embedding the extrusion port mould into the heating cylinder 7 through the positioning sleeve 8, embedding the extrusion port mould into the mould sleeve 6 through the material pressing rod, further pushing the push-pull rod 24 through the handle 25, locking the extrusion port mould, then injecting a proper amount of sample to be tested into the heating cylinder 7 through the positioning sleeve 8, embedding the piston rod 11 into the positioning sleeve 8 and the heating cylinder 7 after compacting through the material pressing rod, and placing the weight 13 with proper weight on the tray 12, the method comprises the steps of pressing a piston rod 11 downwards through a tray 12, extruding a sample to be tested until a starting scale on the piston rod 11 is flush with the upper end face of a positioning sleeve 8, then cutting off front-section waste materials through a sizing material shifting sheet 21, calibrating time through an operation panel 18, finishing extrusion of the sample to be tested until a stop scale on the piston rod 11 is flush with the upper end face of the positioning sleeve 8, weighing a plurality of complete samples to be tested, calculating the melt index of the sample to be tested, finally closing the testing machine through the operation panel 18, taking out the piston rod 11, the tray 12 and a weight 13, taking off an inner heat protection barrel 9 and a heat protection shell 10, pulling a push-pull rod 24 through a handle 25 after being placed for a period of time, taking out an extrusion die from a die sleeve 6, improving the heat dissipation efficiency of the testing machine, facilitating personnel to thoroughly recover and clean residual materials in a heating cylinder 7, and reducing the cleaning difficulty of the heating cylinder 7, the waste of resources is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a melt index testing machine, including base (1), stand (2), universal level bubble (3), protect hot backing plate (4), protect hot apron (5), bush cover (6), cartridge heater (7), position sleeve (8), interior hot bucket (9), protect hot shell (10), piston rod (11), tray (12), weight (13), otic placode (14), screw lead screw (15), adjusting nut (16), stabilizer blade (17), operating panel (18), power shrouding (19), power socket (20), sizing material plectrum (21), printer (22), back of the body shrouding (23), push-and-pull rod (24) and handle (25), its characterized in that: one side of the top of the base (1) is fixedly connected with the bottom of the upright post (2), the center of the top of the upright post (2) is fixedly provided with a universal horizontal bulb (3), the middle section and the top end of the front surface of the upright post (2) are respectively fixedly connected with the back surfaces of the heat protection backing plate (4) and the heat protection cover plate (5), a die sleeve (6) is fixedly embedded in the center of the top of the heat protection backing plate (4), the outer edge of the top of the die sleeve (6) is fixedly connected with the bottom of the heating cylinder (7), the top of the heating cylinder (7) is fixedly connected with the center of the bottom of the heat protection cover plate (5), a positioning sleeve (8) is fixedly embedded in the center of the top of the heat protection cover plate (5), the side surfaces of the heat protection cover plate (5) and the heat protection backing plate (4) are respectively fixedly connected with the top end and the bottom end of the inner wall of the inner heat protection barrel (9), the outer wall of the inner heat protection barrel (9) is coated with a heat protection shell (10); the inside of heating cylinder (7) and position sleeve (8) all inlays the one end that is equipped with piston rod (11), the middle section fixed mounting of piston rod (11) has tray (12), and the other end of piston rod (11) has cup jointed weight (13), the bottom of weight (13) contacts with the top of tray (12).

2. A melt index tester according to claim 1, wherein: the bottom of base (1) both sides all is provided with otic placode (14), the both sides at otic placode (14) top all inlay through ball bearing and are equipped with screw thread lead screw (15), the top of screw thread lead screw (15) and the central fixed connection of adjusting nut (16) bottom, and the bottom of screw thread lead screw (15) and the central fixed connection at stabilizer blade (17) top.

3. A melt index tester according to claim 1, wherein: an operation panel (18) is arranged on the other side of the top of the base (1), a power supply sealing plate (19) is fixedly embedded at the bottom end of the back of the base (1), and a power supply socket (20) is formed in one corner of the back of the power supply sealing plate (19).

4. A melt index tester according to claim 1, wherein: the center and the bottom end of the front surface of the upright post (2) are respectively and fixedly provided with a sizing material shifting sheet (21) and a printer (22), and the center of the back surface of the upright post (2) is fixedly embedded with a back sealing plate (23).

5. A melt index tester according to claim 1, wherein: one side of the heat protection backing plate (4) is fixedly provided with a push-pull rod (24), and one end of the push-pull rod (24) is fixedly provided with a handle (25).