Cover plate of differential scanning calorimeter

Abstract

The utility model relates to the technical field of differential scanning calorimetry devices, in particular to a differential scanning calorimetry device cover plate which comprises a device body, a furnace body is fixedly arranged on the top of the device body, a supporting frame is installed on the outer surface of the furnace body in a sleeved mode, a cover plate is fixedly connected to the top of the furnace body, and a metering valve is connected to the top of the cover plate. A feeding end is arranged at the top of the metering valve, a sealing gasket is arranged at the bottom of the metering valve, and due to the fact that the special feeding end is arranged on the cover plate, when feeding is carried out on the furnace body, feeding operation can be carried out on the interior of the furnace body through the feeding nozzle through the feeding end structure capable of being adjusted up and down, and sealing is carried out after feeding is completed. And external impurities are prevented from entering the interior of the furnace body, and when materials need to be added according to requirements in the follow-up process, material conveying power is provided through the material supplementing valve so that material supplementing operation can be conducted.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential scanning calorimeter technical field, concretely is a differential scanning calorimeter cover plate. BACKGROUND

[0002] Plastic plasticity test usually refers to a series of evaluation plastic material plasticity characteristic in the process of processing and use, will use differential scanning calorimeter in its testing procedure.

[0003] Differential scanning calorimeter is a larger differential scanning calorimeter (DSC). Differential scanning calorimeter application scope: curing reaction temperature and thermal effect of high polymer material, determination of phase transition temperature and thermal effect of substance, crystallization, melting temperature and thermal effect determination of high polymer material, glass transition temperature of high polymer material.

[0004] A furnace body will be arranged above the differential scanning calorimeter, and the cover plate of the differential scanning calorimeter usually refers to the component for covering on the furnace body, to ensure the sealing property of the internal environment of the furnace body, the functions of the cover plate include:

[0005] 1. Prevent external gas interference: when testing under a specific atmosphere, the cover plate can prevent external air or other gases from entering, ensuring the stability of the test environment.

[0006] 2. Maintain uniformity of furnace temperature: the cover plate helps maintain the uniformity of the furnace temperature, avoiding fluctuations in the internal temperature of the furnace due to external factors.

[0007] 3. Safety protection: in some cases, the cover plate can also serve as a safety measure to prevent accidental splashing during high-temperature or chemical reactions.

[0008] However, the cover plate of the furnace body on the differential scanning calorimeter still has the following deficiencies: 1. It is by picking up the entire cover plate, and then adding materials to the inside of the furnace body, which can easily cause other impurities to enter the inside of the furnace body, affecting the sealing effect of the furnace; 2. When subsequent replenishment is needed, the cover plate needs to be picked up for replenishment, which can also cause impurities in the external environment to enter the inside, affecting the subsequent measurement results.

[0009] Therefore, it is necessary to design a differential scanning calorimeter cover plate to solve the above problems. UTILITY MODEL CONTENT

[0010] The utility model aims at providing a differential scanning calorimeter cover plate to solve the problems raised in the background.

[0011] To achieve the above purpose, the utility model provides the following technical scheme:

[0012] A differential scanning calorimeter cover plate, comprising a device body, a furnace body is fixedly arranged on the top of the device body, a support frame is installed on the outer surface of the furnace body, a cover plate is fixedly connected to the top of the furnace body, a metering valve is connected to the top of the cover plate, a feeding end is arranged on the top of the metering valve, and a sealing gasket is arranged on the bottom of the metering valve.

[0013] As a preferred scheme of the present utility model, the cover plate and the furnace body are fixedly connected through a plurality of bolts on the periphery.

[0014] As a preferred scheme of the present utility model, the sealing gasket is arranged at the middle position of the bottom of the metering valve, and a plug-in column is fixedly connected to the bottom of the outer edge of the metering valve, the metering valve is plugged into the cover plate through the plug-in column, and the outer periphery of the metering valve is reinforced by a flange plate through bolts.

[0015] As a preferred scheme of the present utility model, the feeding end comprises a lower cylinder arranged at the bottom, a feeding nozzle is arranged on the top of the lower cylinder, a sealing cover plate is connected to the top of the feeding nozzle, and a sealing cylinder is arranged on the outer side of the lower cylinder, the feeding nozzle and the sealing cover plate.

[0016] As a preferred scheme of the present utility model, a sliding block is arranged on the outer side of one end of the lower cylinder, a sliding groove matched with the sliding block is formed on one side of the sealing cylinder, and the sliding block slides in the sliding groove.

[0017] As a preferred scheme of the present utility model, a feeding valve is further arranged on one side of the metering valve.

[0018] Compared with the prior art, the present utility model has the following beneficial effects:

[0019] 1. In the present utility model, when the differential scanning calorimeter with the cover plate is used, the special feeding end arranged on the cover plate can be adjusted up and down to feed the furnace body through the feeding nozzle, and the furnace body can be sealed after feeding, so that external impurities are prevented from entering the furnace body.

[0020] 2. In the present utility model, when the differential scanning calorimeter with the cover plate is used, the feeding valve provides material conveying power to supplement the material according to the requirement, thereby improving the convenience. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole three-dimensional structure schematic view of the present utility model;

[0022] Figure 2It is three-dimensional structure schematic view of the cover plate and the furnace body of the utility model;

[0023] Figure 3 It is three-dimensional structure schematic view of the cover plate and the furnace body of the utility model; Figure 2 It is structure schematic view after partial split;

[0024] Figure 4 It is structure schematic view after split of the metering valve and the cover plate of the utility model;

[0025] Figure 5 It is three-dimensional structure schematic view of the feeding end of the utility model.

[0026] In the drawing: 1, device body; 2, furnace body; 3, support frame; 4, cover plate; 5, metering valve; 6, feeding end; 61, lower cylinder; 62, feeding nozzle; 63, sealing cover plate; 64, sealing cylinder; 65, sliding block; 66, sliding slot; 7, sealing gasket; 8, sealing gasket insertion column; 9, supplementary feeding valve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In order to facilitate understanding of the utility model, the utility model will be more fully described below with reference to the related drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] Embodiment, please refer to Figures 1-5 The utility model provides a technical scheme:

[0032] A differential scanning calorimeter cover plate, including device body 1, device body 1 top fixedly arranged with furnace body 2, the outer surface of furnace body 2 is equipped with support frame 3, support frame 3 is used to support the whole furnace body 2, improve its running stability, the top of furnace body 2 is fixedly connected with cover plate 4, the top of cover plate 4 is connected with metering valve 5, the top of metering valve 5 is provided with feed end 6, the bottom of metering valve 5 is provided with sealing washer 7.

[0033] Specifically, please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Cover plate 4 and furnace body 2 are fixedly connected by a plurality of bolts periphery, sealing washer 7 is arranged at the bottom of metering valve 5 intermediate position, and the bottom of the outer edge of metering valve 5 is fixedly connected with the plug-in column 8, and the metering valve 5 is plugged into the cover plate 4 through the plug-in column 8, and the outer periphery of the flange plate is reinforced by bolts;

[0034] In this embodiment, the material quantity entering the inside of furnace body 2 can be detected by metering valve 5, the feeding accuracy is improved, and the sealing property during overall connection can be improved by the design of plug-in column 8 and sealing washer 7, to avoid the hidden danger of material leakage.

[0035] Specifically, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 Feed end 6 includes lower cylinder 61 at the bottom, the top of lower cylinder 61 is provided with inlet 62, the top of inlet 62 is connected with sealing cover plate 63, the outer side of lower cylinder 61, inlet 62 and sealing cover plate 63 is provided with sealing cylinder 64; One end of lower cylinder 61 is provided with sliding block 65, and the sliding groove 66 used in cooperation with sliding block 65 is formed in one side of sealing cylinder 64, and sliding block 65 slides in sliding groove 66;

[0036] In this embodiment, sliding block 65 slides upwards along the path in sliding groove 66, so that inlet 62 and sealing cover plate 63 leak out from the top of sealing cylinder 64, at this time, feeding can be carried out through inlet 62, when feeding is completed, sliding block 65 slides downwards along the path, so that inlet 62 and sealing cover plate 63 re-enter sealing cylinder 64, and sealing cover plate 63 seals the end of inlet 62.

[0037] Wherein, one side of metering valve 5 is also provided with replenishment valve 9; subsequent replenishment operation can be carried out by connecting and opening replenishment valve 9.

[0038] The utility model discloses a work flow: when needing to add material when using the differential scanning calorimeter cover plate, through the sliding block 65 in the inside of the sliding slot 66 along the path upward sliding, and then make the mouth 62 and sealing cover plate 63 from the sealing cylinder 64 top leak, at this moment can add material through the mouth 62, when adding material, through the metering valve 5, the material amount that can enter the furnace body 2 inside is detected, improves the precision of adding material, when adding material is completed, through the sliding block 65 along the path downward sliding, make the mouth 62 and sealing cover plate 63 reenter the sealing cylinder 64, and through sealing cover plate 63 to carry out sealing operation to the mouth 62 end, after that, can carry out determination, when needing to supplement material according to the determination demand in the determination process, through connecting and opening the supplementary valve 9, can carry out supplementing material operation.

[0039] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cover plate for a differential scanning calorimeter, comprising a device body (1), characterized in that: The device body (1) is fixedly provided with a furnace body (2) on the top. A support frame (3) is fitted on the outer surface of the furnace body (2). A cover plate (4) is fixedly connected to the top of the furnace body (2). A metering valve (5) is connected to the top of the cover plate (4). A feed end (6) is provided on the top of the metering valve (5). A sealing gasket (7) is provided at the bottom of the metering valve (5).

2. The cover plate of the differential scanning calorimeter according to claim 1, characterized in that: The cover plate (4) and the furnace body (2) are fixedly connected by multiple bolts on the periphery.

3. The cover plate of the differential scanning calorimeter according to claim 1, characterized in that: The sealing gasket (7) is located at the bottom center of the metering valve (5), and a plug-in post (8) is fixedly connected to the bottom of the outer edge of the metering valve (5). The metering valve (5) is plugged into the cover plate (4) through the plug-in post (8) and reinforced with bolts using the flange around it.

4. The cover plate of the differential scanning calorimeter according to claim 1, characterized in that: The feed end (6) includes a lower cylinder (61) located at the bottom. An inlet (62) is provided at the top of the lower cylinder (61). A sealing cover plate (63) is connected to the top of the inlet (62). A sealing cylinder (64) is provided on the outside of the lower cylinder (61), the inlet (62) and the sealing cover plate (63).

5. The cover plate of the differential scanning calorimeter according to claim 4, characterized in that: A slider (65) is provided on the outer side of one end of the lower cylinder (61), and a groove (66) is provided on one side of the sealing cylinder (64) to cooperate with the slider (65). The slider (65) slides inside the groove (66).

6. The cover plate of the differential scanning calorimeter according to claim 1, characterized in that: A feed valve (9) is also provided on one side of the metering valve (5).

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