CN216646173U

CN216646173U - Automatic melt index instrument

Info

Publication number: CN216646173U
Application number: CN202123416856.1U
Authority: CN
Inventors: 张华忠
Original assignee: Guangdong Rongguang Industrial Technology Co ltd
Current assignee: Guangdong Rongguang Industrial Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of melt index instruments, and particularly relates to an automatic melt index instrument.A support block is sleeved at the upper end of a pressure measuring rod, a stop rod is fixed on the side surface of the support block, a travel switch is installed on the side surface of a melt index testing device, the upper end of the travel switch is contacted with the stop rod, a counterweight is placed on the upper surface of the support block, a movable inserted rod is inserted into a hole formed in the side surface of the counterweight, a positioning rod is fixed on the lower surface of an upper top plate, and a positioning inserted rod groove is formed in the surface of the positioning rod; through last roof fixed surface's locating lever, the locating pin groove has been seted up on the locating lever surface simultaneously, and the counter weight cover of being convenient for is when the locating lever is outside, and the activity inserted bar joint is in the locating pin inslot, is convenient for fix a position the outside counter weight of cover at the locating lever, is convenient for select a plurality of counter weight of suitable weight to place at the tray upper surface, is convenient for adopt the joint mode of bolt formula to increase weight.

Description

Automatic melt index instrument

Technical Field

The utility model belongs to the technical field of melt index instruments, and particularly relates to an automatic melt index instrument.

Background

The melt index meter is also called a melt flow rate meter, and the melt flow rate meter enables a measured object to reach a molten state by using a high-temperature heating furnace under a specified temperature condition. The test object in the molten state was subjected to an extrusion test through a small hole having a constant diameter under a predetermined weight load. In the research of plastic production and research units of industrial enterprises, the physical properties of the polymer material, such as flowability and viscosity, in a molten state are often expressed by "melt (mass) flow rate". Melt flow rate refers to the average mass of a sample of each segment of the extrudate as a 10 minute extrusion. Melt (mass) flow rate is expressed as MFR in units of: g/10 min (i.e., g/min). Traditional melt index appearance is when using, and it is inconvenient to place counter weight, is difficult to carry out the problem of plug-in type installation to counter weight according to the demand.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an automatic melt index instrument.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic melt index instrument comprises a supporting seat, a protective cover fixed at the upper end of the supporting seat, and a melt index testing device arranged on the side surface of the protective cover, wherein an upper top plate is fixed at the upper end of the protective cover, a limiting rod is fixed between the protective cover and the upper top plate, a movable plate is movably arranged outside the limiting rod, a telescopic device is arranged between the upper top plate and the movable plate, a pressure measuring rod is arranged at the stressed end of the melt index testing device, a support block is sleeved at the upper end of the pressure measuring rod, a stop rod is fixed on the side surface of the support block, a travel switch is arranged on the side surface of the melt index testing device, the upper end of the travel switch is in contact with the stop rod, a counterweight is placed on the upper surface of the support block, a movable insertion rod is inserted into a side surface hole of the counterweight, and a positioning rod is fixed on the lower surface of the upper top plate, the surface of the positioning rod is provided with a positioning insertion rod groove, and the counterweight sleeve is limited by a movable insertion rod inserted on the side surface when the positioning rod is outside.

As a preferred technical scheme of the automatic melt index instrument, the movable insertion rod comprises a clamping connection rod inserted into a hole formed in the side surface of the counterweight and a magnet handle attached to the outer surface of the counterweight, and the clamping connection rod is clamped inside a positioning insertion rod groove when the counterweight is sleeved outside the positioning rod.

As a preferred technical scheme of the automatic melt index instrument, the positioning rod and the pressure measuring rod are positioned on the same central axis.

As a preferred technical scheme of the automatic melt index instrument, the limiting rods are provided with four parallel limiting rods, and the upper top plate is parallel to the movable plate.

As a preferred technical scheme of the automatic melt index instrument, four corners of the lower end of the supporting seat are provided with supporting foot pads.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the positioning rod fixed on the lower surface of the upper top plate and the positioning inserting rod groove arranged on the surface of the positioning rod, when the counterweight is sleeved outside the positioning rod, the movable inserted bar is clamped in the positioning inserted bar groove, so that the counterweight weights sleeved outside the positioning bar can be conveniently positioned, a plurality of counterweight weights with proper weight can be conveniently selected to be placed on the upper surface of the supporting block, the weight can be conveniently increased by adopting a bolt type clamping mode, thereby facilitating the melt index detection according to different gravities, improving the convenience of detection, a limit rod fixed between the upper top plate and the protective cover, and a movable plate movably arranged outside the limit rod, and a telescopic device is fixed between the protective cover and the movable plate, so that the telescopic end of the telescopic device can conveniently drive the movable plate to lift when telescopic, thereby be convenient for fly leaf area counter weight lifting to be convenient for counter weight cover in the outside of locating lever.

2. Through the activity inserted bar of constituteing by joint pole and magnet handle, and the joint pole inserts the downthehole that counterweight side surface was seted up, and counterweight cover joint pole joint is in location inserted bar inslot when the locating lever is outside to be convenient for select the counterweight of appropriate quantity according to the pressure of needs.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of an open perspective structure of the present invention;

FIG. 3 is a schematic perspective view of the middle portion of FIG. 1;

FIG. 4 is a schematic view of the structure of the supporting block and the movable inserting rod in the present invention;

in the figure: 1. a supporting seat; 2. a protective cover; 3. a melt index testing device; 4. an upper top plate; 5. a limiting rod; 6. a movable plate; 7. a telescoping device; 8. a pressure measuring rod; 9. a support block; 10. a stop lever; 11. a travel switch; 12. a movable inserted link; 13. positioning a rod; 14. positioning the insertion rod groove; 15. supporting the foot pad; 16. a magnet handle; 17. a clamping and connecting rod; 18. and (4) balancing weights.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an automatic melt index instrument comprises a supporting seat 1, a protective cover 2 fixed at the upper end of the supporting seat 1, and a melt index testing device 3 arranged on the side surface of the protective cover 2, wherein an upper top plate 4 is fixed at the upper end of the protective cover 2, a limiting rod 5 is fixed between the protective cover 2 and the upper top plate 4, a movable plate 6 is movably arranged outside the limiting rod 5, a telescopic device 7 is arranged between the upper top plate 4 and the movable plate 6, the telescopic device 7 can be a telescopic tool and a structure commonly used by technicians in the field such as an electric cylinder or an air cylinder, a stress end of the melt index testing device 3 is provided with a pressure measuring rod 8, the upper end of the pressure measuring rod 8 is sleeved with a support block 9, a stop lever 10 is fixed on the side surface of the support block 9, a travel switch 11 is arranged on the side surface of the melt index testing device 3, the upper end of the travel switch 11 is in contact with the stop lever 10, and a counterweight 18 is arranged on the upper surface of the support block 9, the side surface of the counterweight 18 is provided with a movable inserted link 12 in a hole in an inserted manner, the lower surface of the upper top plate 4 is fixed with a positioning rod 13, the surface of the positioning rod 13 is provided with a positioning inserted link groove 14, and the counterweight 18 is sleeved outside the positioning rod 13 and is limited by the movable inserted link 12 in an inserted manner through the side surface.

In the embodiment, a positioning rod 13 fixed on the lower surface of an upper top plate 4 is used, a positioning insertion rod groove 14 is formed in the surface of the positioning rod 13, so that when a counterweight weight 18 is sleeved outside the positioning rod 13, a movable insertion rod 12 is clamped in the positioning insertion rod groove 14, the counterweight weight 18 sleeved outside the positioning rod 13 is positioned, a plurality of counterweight weights 18 with proper weight are conveniently selected to be placed on the upper surface of a support block 9, the weight is conveniently increased by adopting a bolt type clamping mode, so that the melt index detection is conveniently carried out according to different gravity, the convenience of detection is improved, meanwhile, a limiting rod 5 fixed between the upper top plate 4 and a protective cover 2 and a movable plate 6 movably installed outside the limiting rod 5 are arranged, a telescopic device 7 is fixed between the protective cover 2 and the movable plate 6, and the movable plate 6 is driven to lift when the telescopic end of the telescopic device 7 is telescopic, thereby facilitating the lifting of the movable plate 6 with the counterweight 18, and facilitating the sleeving of the counterweight 18 outside the positioning rod 13.

Specifically, movable inserted bar 12 sets up downthehole joint pole 17 including inserting 18 side surfaces of counter weight to and the laminating is at the magnet handle 16 of 18 surfaces of counter weight, and the joint pole 17 joint is in the inside of location inserted bar groove 14 when counter weight 18 covers locating lever 13 outside, locating lever 13 and pressure measuring pole 8 are in on same axis, gag lever post 5 is provided with four altogether and follows, and four gag lever posts 5 are parallel, go up roof 4 and fly leaf 6 parallel, support callus on the sole 15 is all installed to four corners of supporting seat 1 lower extreme. In this embodiment, through the movable inserted bar 12 that comprises joint pole 17 and magnet handle 16, and joint pole 17 inserts the downthehole that counterweight 18 side surface was seted up, and counterweight 18 cover joint pole 17 joint is in location inserted bar groove 14 when locating lever 13 outside to be convenient for select counterweight 18 of appropriate quantity according to the pressure of needs.

The working principle and the using process of the utility model are as follows: during the use, place counter weight 18 on the upper surface of tray 9, when the flexible end of telescoping device 7 contracts, telescoping device 7 takes counter weight 18 to lift through portable plate 6, make counter weight 18 cover in the outside of locating lever 13, according to the pressure that needs, insert the downthehole that the counter weight 18 side surface of suitable position department was seted up to activity inserted bar 12, joint pole 17 joint is in the inside of location inserted bar groove 14 this moment, during the test, the flexible end extension of telescoping device 7, make portable plate 6 take remaining counter weight 18 slowly to fall, make counter weight 18 and tray 9 contact, portable plate 6 continues the whereabouts simultaneously, make portable plate 6 and counter weight 18 separate.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 an automatic melt index appearance, includes supporting seat (1), fixes protection casing (2) in supporting seat (1) upper end to and install melt index testing arrangement (3) at protection casing (2) side surface, its characterized in that: an upper top plate (4) is fixed at the upper end of the protective cover (2), a limiting rod (5) is fixed between the protective cover (2) and the upper top plate (4), a movable plate (6) is movably mounted outside the limiting rod (5), a telescopic device (7) is mounted between the upper top plate (4) and the movable plate (6), a pressure measuring rod (8) is arranged at the stress end of the melt index testing device (3), a support block (9) is sleeved at the upper end of the pressure measuring rod (8), a stop lever (10) is fixed on the side surface of the support block (9), a travel switch (11) is mounted on the side surface of the melt index testing device (3), the upper end of the travel switch (11) is in contact with the stop lever (10), a counterweight (18) is placed on the upper surface of the support block (9), and a movable inserting rod (12) is arranged in an inserting hole in the side surface of the counterweight (18), the lower surface of the upper top plate (4) is fixed with a positioning rod (13), a positioning insertion rod groove (14) is formed in the surface of the positioning rod (13), and a counterweight (18) is sleeved outside the positioning rod (13) and is limited through a movable insertion rod (12) inserted in the side surface in a plugging mode.

2. An automatic melt index apparatus as claimed in claim 1, wherein: the movable inserted link (12) comprises a clamping link (17) inserted into a side surface opening hole of the counterweight (18) and a magnet handle (16) attached to the outer surface of the counterweight (18), and the clamping link (17) is clamped inside the positioning inserted link groove (14) when the counterweight (18) is sleeved outside the positioning rod (13).

3. An automatic melt index apparatus as claimed in claim 1, wherein: the positioning rod (13) and the pressure measuring rod (8) are positioned on the same central axis.

4. An automatic melt index apparatus as claimed in claim 1, wherein: the limiting rods (5) are provided with four heels, the four limiting rods (5) are parallel, and the upper top plate (4) is parallel to the movable plate (6).

5. An automatic melt index apparatus as claimed in claim 1, wherein: four corners of the lower end of the supporting seat (1) are provided with supporting foot pads (15).