CN-224208053-U - Crucible encapsulation tool for differential scanning calorimeter

CN224208053UCN 224208053 UCN224208053 UCN 224208053UCN-224208053-U

Abstract

The utility model provides a crucible packaging tool for a differential scanning calorimeter, which comprises a fixed shell, wherein the bottom end of the fixed shell is connected with a base in a sliding manner, a plurality of lower dies are arranged in the base, a crucible is placed on the surface of the lower dies, the top end of the fixed shell is connected with a pressing die in a sliding manner, a plurality of fixing holes are formed in the pressing die, an upper die is arranged in the fixing holes, the upper die is connected with a first screw in a threaded manner, the top end of the first screw is clamped in the fixing holes, a rubber pad is arranged between the top end of the upper die and the pressing die, a punching block is connected in the upper die in a sliding manner, the punching block extrudes a crucible cover, a first spring is arranged in the upper die, and two ends of the first spring respectively abut against the first screw and the punching block. The crucible packaging tool for the differential scanning calorimeter has the advantages of being capable of packaging a plurality of crucibles simultaneously and good in packaging effect.

Inventors

LING YANG
LI ZEZHONG
SHEN YANG
CAO XIAOXI
YANG JIAYI
ZHANG ZHEN
ZENG HONGYU
Long Zhengle

Assignees

安徽中科热仪科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250503

Claims (5)

1. A crucible encapsulation tool for a differential scanning calorimeter, comprising: The crucible device comprises a fixed shell (1), wherein the bottom end of the fixed shell (1) is connected with a base (5) in a sliding manner, a plurality of lower dies (4) are arranged in the base (5), and a crucible (7) is arranged on the surface of each lower die (4); The novel crucible pressing device is characterized in that the top end of the fixing shell (1) is slidably connected with the pressing die (2), a plurality of fixing holes (21) are formed in the pressing die (2), an upper die (10) is mounted in the fixing holes (21), the upper die (10) is in threaded connection with the first screw (3), the top end of the first screw (3) is clamped in the fixing holes (21), a rubber pad (6) is mounted between the top end of the upper die (10) and the pressing die (2), a pressing block (9) is slidably connected in the upper die (10), the pressing block (9) presses the crucible cover (71), a first spring (8) is mounted in the upper die (10), and two ends of the first spring (8) respectively abut against the first screw (3) and the pressing block (9).
2. The crucible packaging tool for a differential scanning calorimeter as set forth in claim 1, wherein a second screw (11) is screwed with the lower die (4), and one end of the second screw (11) is stuck inside the base (5).
3. The crucible encapsulation tool for a differential scanning calorimeter as set forth in claim 2, wherein a mounting hole (41) is provided on the top surface of the lower die (4), and the crucible (7) is placed inside the mounting hole (41).
4. The crucible packaging tool for a differential scanning calorimeter according to claim 1, wherein a plurality of first connecting rods (12) are symmetrically arranged in the fixed shell (1), a plurality of second connecting rods (14) are arranged at the surface edge of the base (5), the second connecting rods (14) are connected with the inner parts of the first connecting rods (12) in a sliding mode, second springs (13) are arranged in the first connecting rods (12), and one ends of the second springs (13) are abutted against the top surfaces of the second connecting rods (14).
5. A crucible encapsulation tool for a differential scanning calorimeter as defined in claim 3, wherein the lower die (4) and the upper die (10) are in one-to-one correspondence, and centers of the lower die (4), the upper die (10) and the mounting hole (41) which are in correspondence are on the same straight line.

Description

Crucible encapsulation tool for differential scanning calorimeter Technical Field The utility model relates to the field of differential scanning calorimeters, in particular to a crucible packaging tool for a differential scanning calorimeter. Background Thermal analyzers are a type of conventional analytical instrument, which plays a vital role in research in material science and related fields, and through which thermal properties of materials can be continuously measured and analyzed under a program-controlled temperature and a certain atmosphere, thermal analysis techniques are widely used in fields such as physics, chemistry, materials, biology, medicine, environment, chemical industry, etc. Differential scanning calorimetry is one of the most commonly used analytical techniques in thermal analysis, and can be widely used to study phase changes, reactions, and thermodynamic properties (e.g., specific heat capacity, enthalpy change, etc.) of materials. In detecting physical and chemical properties of materials using a differential scanning calorimeter, it is generally necessary to seal the material to be detected by means of a crucible and then encapsulate the material inside the crucible by means of a sample preparation device. At present, such sample preparation devices are generally only adapted to one size of crucible, and different sizes of crucibles are incompatible with the sample preparation device. In addition, only one crucible can be packaged at a time during sample preparation, and the defects of low efficiency, easy confusion among different samples and the like are overcome. Accordingly, there is a need to provide a new crucible packaging tool for a differential scanning calorimeter that solves the above-described problems. Disclosure of utility model The utility model solves the technical problem of providing a crucible packaging tool for a differential scanning calorimeter, which can package a plurality of crucibles simultaneously and has good packaging effect. The crucible packaging tool for the differential scanning calorimeter comprises a fixed shell, wherein the bottom end of the fixed shell is connected with a base in a sliding mode, a plurality of lower dies are installed in the base, a crucible is placed on the surface of each lower die, the top end of the fixed shell is connected with a pressing die in a sliding mode, a plurality of fixing holes are formed in the pressing die, an upper die is installed in the fixing holes in a sliding mode, the upper die is connected with a first screw in a threaded mode, the top end of the first screw is clamped in the fixing holes, a rubber pad is installed between the top end of the upper die and the pressing die, a stamping block is connected in the upper die in a sliding mode, the stamping block extrudes a crucible cover, a first spring is installed in the upper die, and two ends of the first spring respectively abut against the first screw and the stamping block. Preferably, the second screw is in threaded connection with the lower die, and one end of the second screw is clamped in the base. Preferably, the top surface of the lower die is provided with a mounting hole, and the crucible is placed in the mounting hole. Preferably, a plurality of first connecting rods are symmetrically arranged in the fixed shell, a plurality of second connecting rods are arranged at the edge of the surface of the base, the second connecting rods are connected with the inside of the first connecting rods in a sliding mode, second springs are arranged in the first connecting rods, and one ends of the second springs are abutted to the top surface of the second connecting rods. Preferably, the lower die and the upper die are in one-to-one correspondence, and the centers of the lower die, the upper die and the mounting hole which are mutually corresponding are positioned on the same straight line. Compared with the related art, the crucible packaging tool for the differential scanning calorimeter has the following beneficial effects: The utility model provides a crucible packaging tool for a differential scanning calorimeter, which is characterized in that when the crucible packaging tool is used, a fixed shell and a base are placed on a tabletop, a crucible is placed in a mounting hole, a material to be tested is placed in the crucible, then a crucible cover is placed on the surface of the crucible, a pressing die is placed in the fixed shell, a pressing block on one side of the pressing die is abutted against the surface of the crucible cover, the pressing die is extruded, the pressing die and the base are mutually close to each other, the pressing block downwards presses the crucible cover, in the pressing process, a first spring in the upper die plays a buffering role, so that the pressing force of the pressing block on the crucible cover is gradually increased, the sudden and rapid increase of the pressing force between the crucible cover is avoided, the pres