CN215811940U

CN215811940U - Rubber system appearance ware

Info

Publication number: CN215811940U
Application number: CN202121025358.1U
Authority: CN
Inventors: 应俊扬; 杨忠; 沈彪; 吴静
Original assignee: China Petroleum and Chemical Corp; Sinopec Shanghai Gaoqiao Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Shanghai Gaoqiao Co
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-02-11
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a rubber sample preparation device, which comprises a sample preparation device body, a handheld part, a push rod, a first cutting part and a second cutting part, wherein the first cutting part is arranged on the sample preparation device body; the sample preparation device body is provided with a through cavity, and the push rod is arranged in the cavity; the handheld part is arranged on the sample preparation device body; the first cutting part and the second cutting part are arranged below the sample preparation device body; the second cutting component is arranged in the extending direction of the cavity wall forming the cavity. The rubber sample preparation device has the advantages of simple structure and simple operation, can be used as a rubber sample preparation device for Mooney test, and can improve the accuracy of sample preparation, reduce the workload of operators and reduce the loss caused by inaccurate sample preparation.

Description

Rubber system appearance ware

Technical Field

The utility model relates to the technical field of rubber cutting, in particular to a rubber sample preparation device.

Background

The preparation of sample No. 5 in the national Standard GB/T1232.1-2016 "determination of Mooney viscosity in section 1 of unvulcanized rubber by disc shear viscometer" requires: the test specimen should consist of two circular sheets of film having a diameter of about 50mm and a thickness of about 6mm, which should fill substantially the entire mold cavity and have a hole in the center of the film for insertion of the rotor. According to investigation, the rubber sample for Mooney test at present has two modes of simple sample preparation by scissors or tool trimming and sample preparation by a pneumatic cutting machine. Wherein the scissors or tools are cut randomly, and the diameter and the thickness can not be controlled; the pneumatic cutter can only control the diameter of the test piece. The samples collected by the existing sample preparation method are different in shape, relatively complicated in operation and risk that the mold cavity cannot be filled with rubber, so that analysis errors and workload are increased. The utility model has the advantages of accurate sample preparation model and mould, clear structure and simple operation. The method not only can improve the accuracy of sample preparation, but also reduces the workload of operators and reduces the loss caused by inaccurate sample preparation. The utility model has simple structure, simple operation, economy and practicability and is worth popularizing and using.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a rubber sample preparation device which is simple in structure and operation, can be used for Mooney test, and can improve the sample preparation accuracy, reduce the workload of an operator and reduce the loss caused by inaccurate sample preparation.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a rubber sample preparation device comprises a sample preparation device body, a handheld part, a push rod, a first cutting part and a second cutting part;

the sample preparation device body is provided with a through cavity, and the push rod is arranged in the cavity; the handheld part is arranged on the sample preparation device body;

the first cutting part and the second cutting part are arranged below the sample preparation device body; the second cutting component is arranged in the extending direction of the cavity wall forming the cavity.

Preferably, the first cutting member and the second cutting member are arranged in concentric circles.

More preferably, at least one of the following technical characteristics is also included:

1) the cutting end of the first cutting part is circular, the diameter of the cutting end is 50mm, and the height of the cutting end in the extending direction of the cavity wall forming the cavity is 6 mm; the cutting end of the second cutting component is circular, the diameter of the cutting end is 8mm, and the height of the cutting end in the extending direction of the cavity wall forming the cavity is 6 mm;

2) a sample cavity for containing a rubber sample is formed between the first cutting part and the second cutting part.

Preferably, the sample applicator body comprises an upper sample applicator portion, a sample applicator body portion and a lower sample applicator portion.

More preferably, the lower part of the sample preparation device is in a circular truncated cone shape.

Preferably, the hand-held part comprises more than one handle.

More preferably, the handle is provided with anti-skid lines.

Preferably, the push rod comprises a push handle, a push rod body and a rubber plug in sequence.

a) the pushing handle is provided with anti-skid grains;

b) the length of the push rod main body is greater than or equal to that of the cavity.

More preferably, the rubber stopper includes a holder and a rubber packing, and the rubber packing fills a gap between the holder and a wall of the cavity forming the cavity.

The rubber sample preparation device has the advantages of simple structure and simple operation, can be used as a rubber sample preparation device for Mooney test, and can improve the accuracy of sample preparation, reduce the workload of operators and reduce the loss caused by inaccurate sample preparation.

Drawings

FIG. 1 is a schematic view of the sample preparation device for rubber of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1 (with the hand-held part omitted).

FIG. 3 is an enlarged schematic view of a rubber stopper in the rubber sampler of the present invention.

FIG. 4 is a bottom view of the first cutting member and the second cutting member of the rubber sampler of the present invention.

Reference numerals:

1 sample preparation device body

11 cavity

12 sample preparation device upper part

13 sample preparation device body

14 lower part of the sample preparation device

2 hand-held part

21 handle

3 push rod

31 push handle

32 push rod body

33 rubber plug

331 fixed mount

332 rubber filling member

4 first cutting member

5 second cutting member

6 sample cavity

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 4. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The rubber sample preparation device of the utility model, as shown in fig. 1, comprises a sample preparation device body 1, a hand-held part 2, a push rod 3, a first cutting part 4 and a second cutting part 5;

the sample preparation device body 1 is provided with a through cavity 11, and the push rod 3 is arranged in the cavity 11; the handheld part 2 is arranged on the sample preparation device body 1;

the first cutting part 4 and the second cutting part 5 are arranged below the sample preparation device body 1; the second cutting component 5 is arranged in the extending direction of the cavity wall forming the cavity 11.

The first cutting part 4 and the second cutting part 5 are both made of smooth and sharp metal slices with corrosion resistance and high temperature resistance.

In a preferred embodiment, the first cutting member 4 and the second cutting member 5 are arranged in concentric circles.

In a preferred embodiment, as shown in fig. 2 and 4, the cutting end of the first cutting member 4 is circular, has a diameter of 50mm, and has a height of 6mm in the direction in which the walls of the cavity 11 extend; the cutting end of the second cutting component 5 is circular, the diameter of the cutting end is 8mm, and the height of the cutting end in the extending direction of the cavity wall forming the cavity 11 is 6 mm. The rubber sample obtained is shown in FIG. 4 by hatching.

In a preferred embodiment, a sample chamber 6 for receiving a rubber sample is formed between the first cutting member 4 and the second cutting member 5. The rubber sample is cut by the action of the rubber sample preparation device and the table board, and the rubber sample obtained after cutting enters the sample cavity 6.

In a preferred embodiment, the sample applicator body 1 comprises an upper applicator portion 12, an applicator body portion 13 and an applicator lower portion 14.

The upper part of the sample preparation device can be cylindrical, the diameter of the sample preparation device can be about 80mm, the body of the sample preparation device can be cylindrical, the diameter of the sample preparation device can be about 50mm, the lower part of the sample preparation device can be circular truncated cone, the diameter of the circular truncated cone close to the end of the sample preparation device can be about 50mm, and the diameter of the circular truncated cone far from the end of the sample preparation device can be about 56 mm.

In a preferred embodiment, the lower sampler portion 14 is frustoconical.

In a preferred embodiment, the hand-held part 2 comprises more than one handle 21. As shown in figure 1, two handles can be arranged, are L-shaped and are positioned at two symmetrical sides of the sample preparation device body 1, and are convenient to take and operate.

In a preferred embodiment, the handle 21 is provided with anti-slip threads. This design is favorable to conveniently taking and operating.

In a preferred embodiment, the push rod 3 comprises a push handle 31, a push rod body 32 and a rubber stopper 33 in sequence.

In a preferred embodiment, the push handle 31 is provided with anti-slip threads. As shown in FIG. 2, the push handle may be M-shaped and may have non-slip threads, such as embossments, on its surface.

In a preferred embodiment, the length of the push rod body 32 is equal to or greater than the length of the cavity 11. This design facilitates the evacuation of residual rubber within the cavity 11.

In a preferred embodiment, as shown in fig. 3, the rubber stopper 33 includes a holder 331 and a rubber filler 332, and the rubber filler 332 fills a gap between the holder 331 and a cavity wall forming the cavity 11.

When the rubber sampler is used, the rubber sampler is taken up by holding the handles 21 at the two sides with two hands, the first cutting part 4 and the second cutting part 5 are placed on a prepared rubber sample (the sample is placed on a flat table top or a table top), the handles 21 at the two sides are held by two hands, the rubber sampler is pressed downwards with force, the first cutting part 4 and the second cutting part 5 cut the rubber sample at the same time, and the rubber sample enters the sample cavity 6 after being cut under the action of the rubber sampler and the table top; meanwhile, the small cylindrical rubber fragments cut by the second cutting part 5 directly enter the cavity 11 through the action of the small cylindrical rubber fragments and the tabletop; and (4) taking up the rubber sample preparation device by the upper part of the handheld sample preparation device, and taking down the rubber sample by the other hand. Along with the increase of the number of times of using the rubber sampler, the residual rubber in the cavity 11 is more and more, and then the rubber stopper 33 is gradually moved upwards, and at the moment, the pushing handle 31 is pushed downwards to discharge the residual rubber fragments, so that the rubber sampler is in a standby state.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A rubber sample preparation device is characterized by comprising a sample preparation device body (1), a handheld part (2), a push rod (3), a first cutting part (4) and a second cutting part (5);

the sample preparation device body (1) is provided with a through cavity (11), and the push rod (3) is arranged in the cavity (11); the handheld part (2) is arranged on the sample preparation device body (1);

the first cutting part (4) and the second cutting part (5) are arranged below the sample preparation device body (1); the second cutting component (5) is arranged in the extending direction of the cavity wall forming the cavity (11).

2. A rubber sampler as claimed in claim 1 wherein said first cutting member (4) and said second cutting member (5) are arranged in concentric circles.

3. The rubber sampler of claim 2, further comprising at least one of the following technical features:

1) the cutting end of the first cutting part (4) is circular, the diameter of the cutting end is 50mm, and the height of the cutting end in the extending direction of the cavity wall forming the cavity (11) is 6 mm; the cutting end of the second cutting component (5) is circular, the diameter of the cutting end is 8mm, and the height of the cutting end in the extending direction of the cavity wall forming the cavity (11) is 6 mm;

2) a sample cavity (6) for accommodating a rubber sample is formed between the first cutting part (4) and the second cutting part (5).

4. The rubber sampler according to claim 1 wherein the sampler body (1) comprises a sampler upper part (12), a sampler body part (13) and a sampler lower part (14).

5. The rubber sampler according to claim 4, characterized in that the lower part (14) of the sampler is truncated cone-shaped.

6. A rubber sampler as claimed in claim 1 wherein said hand held part (2) comprises more than one handle (21).

7. A rubber sampler as claimed in claim 6 wherein said handle (21) is provided with anti-slip threads.

8. The rubber sampler as claimed in claim 1, wherein the push rod (3) comprises a push handle (31) and a push rod body (32) in sequence, and a rubber plug (33) is arranged on the push rod body (32).

9. The sample injector as claimed in claim 8, characterized in that it further comprises at least one of the following technical features:

a) the pushing handle (31) is provided with anti-skid grains;

b) the length of the push rod main body (32) is greater than or equal to that of the cavity (11).

10. The rubber sampler of claim 8, wherein the rubber stopper (33) comprises a holder (331) and a rubber filler (332), the rubber filler (332) filling a gap between the holder (331) and a wall of the cavity (11).