CN218444741U - Test block forming die - Google Patents

Abstract

The utility model discloses a test block forming die relates to test block preparation technical field, including main part, lid and fixed part, the main part includes a plurality of submoulds along circumference, and a plurality of submoulds connect gradually and enclose into circumference confined main part, and the main part has at least one end open-ended one-tenth die cavity, and the lid sets up in main part one side and can dismantle the opening of being connected in order to be used for sealing one-end of one-end with a plurality of submoulds one end homoenergetic, and fixed part can dismantle the relative position between the main part and can fix each submould with the cover. The utility model provides a test block forming die is convenient for prepare the required test block of cement-based material micro test, easily drawing of patterns.

Description

Test block forming die

Technical Field

The utility model belongs to the technical field of the test block preparation technique and specifically relates to a test block forming die is related to.

Background

The research on cement-based materials has been in the history of last one hundred years, and in recent decades, researchers focus on the direction of preparing cement-based materials from industrial solid waste materials, and try to solve the problems of high carbon emission, large solid waste stockpiling amount, high cost of cement-based materials and the like. When a cement-based material is researched, a microscopic test is an effective means for testing the performance of the cement-based material under different material and different proportion conditions, for example, an electron microscope Scanning (SEM) test is used for observing hydration products of the cement-based material, an X-ray diffraction test (XRD) is used for testing the types of the hydration products of the cement-based material, and a mercury intrusion test is used for testing the internal pore structure of the cement-based material after hydration and hardening.

The test blocks used in the microscopic test of cement-based materials are often prepared by cutting from cement-based clear paste test blocks. The cement-based material hydration product is sensitive to heat generated during cutting, and multiple times of cutting are needed when a microscopic test block is prepared by cutting from a larger net slurry test block, so that the quality of a test sample is easily influenced; the test block required by the microscopic test prepared by the centrifugal tube is difficult to demould, is easy to break and break in the demoulding process, and is especially a cement-based material with low early strength or long setting time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test block forming die to solve the problem that above-mentioned prior art exists, be convenient for prepare the required test block of cement-based material micro test, easily drawing of patterns.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a test block forming die, including main part, lid and fixed part, the main part includes a plurality of submoulds along circumference, and is a plurality of the submoulds connect gradually and enclose into circumference confined the main part, just the main part has at least one end open-ended becomes the die cavity, the lid set up in main part one side and with a plurality of the connection in order to be used for sealing can be dismantled to submould one end homoenergetic the opening that becomes die cavity one end, fixed part can dismantle the ground cover and locate a plurality ofly the main part is external and can fix each relative position between the submould.

Preferably, the molding cavity is cylindrical, the two ends of the main body are both open, the number of the cover bodies is two, and the cover bodies are respectively arranged at the two ends of the main body to seal the two end openings of the molding cavity.

Preferably, the main body has a cylindrical shape, and the cover is screwed to each of the sub-molds forming the main body.

Preferably, the fixing member is provided as a rubber sleeve.

Preferably, the number of the sub-molds is two, and the joint of the inner wall surfaces of the adjacent sub-molds is smooth.

Preferably, the side ends for connection between the sub-molds are set as stepped surfaces, and the side ends between the sub-molds are in tight contact.

Preferably, the side ends for connection between the sub-molds are respectively provided with an inserted rod and an insertion hole, and the side ends between the sub-molds are tightly inserted.

Preferably, the cover body and each sub-mold are made of polyethylene.

Preferably, the axial dimension of the molding cavity is not less than the axial dimension of the fitting microscopic experimental test block.

The utility model discloses for prior art gain following technological effect:

the utility model provides a test block forming die, to filling the material in the shaping chamber, the lid can seal one end opening of shaping chamber and avoid the material to leak, and the fixed part is set outside the main part and can promote the stability of the main part, avoid the sub-die to move; after the shaping, because fixed part and lid all dismantle with the main part and be connected, the main part is formed by a plurality of submodule utensil butt joints moreover, takes off behind fixed part and the lid to the submodule utensil split that will form the main part can realize the drawing of patterns, can not influence the stability of test block, and the drawing of patterns is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an assembly structure of a test block molding die according to a first embodiment;

fig. 2 is an exploded schematic view of a test block forming mold according to the first embodiment;

FIG. 3 is a schematic front view of a main body according to an embodiment;

fig. 4 is a schematic top view of the body provided in fig. 3.

An icon: 1-forming a test block; 10-a body; 11-a sub-mold; 12-a forming cavity; 20-a cover body; 30-fixing the component.

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.

The utility model aims at providing a test block forming die to solve the problem that above-mentioned prior art exists, be convenient for prepare the required test block of cement-based material micro test, easily the drawing of patterns.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

The present embodiment provides a test block forming mold 1, please refer to fig. 1-4, which specifically includes a main body 10, a cover body 20 and a fixing member 30, wherein the main body 10 includes a plurality of sub molds 11 along a circumferential direction, the plurality of sub molds 11 are sequentially connected to form the main body 10 enclosed in the circumferential direction, the main body 10 has a forming cavity 12 with at least one open end, the cover body 20 is disposed at one side of the main body 10 and detachably connected to one ends of the plurality of sub molds 11 for closing the open end of the forming cavity 12, and the fixing member 30 is detachably sleeved outside the main body 10 and can fix a relative position between the sub molds 11.

The molding cavity 12 is filled with materials, the cover body 20 can seal the molding cavity 12 to avoid leakage of the materials, and the fixing part 30 is sleeved outside the main body 10 to improve the stability of the main body 10 and facilitate molding; after the shaping, because fixed part 30 and lid 20 all with main part 10 dismantlement connection, main part 10 is formed by a plurality of submodule utensil 11 docks moreover, takes off behind fixed part 30 and the lid 20 to the submodule utensil 11 splits that will form main part 10 can realize the drawing of patterns, can not influence the stability of test block, and the drawing of patterns is convenient.

In the alternative of this embodiment, it is more preferable that the molding cavity 12 is cylindrical, accords with the shape of test block, and the both sides of the main body 10 are all opened, and the quantity of lid 20 sets up to two, and two lids 20 set up respectively in the both ends of main body 10 in order to be used for sealing the both ends opening of molding cavity 12, make all can fill molding material in whole molding cavity 12, and the both ends of molding cavity 12 all set up the lid 20 that can dismantle, the further drawing of patterns of being convenient for.

Further, the outer peripheral surface of the cover 20 may be provided with anti-slip threads.

In addition, the shape of the molding cavity 12 may be specifically determined according to the shape of the test block.

In an alternative of this embodiment, it is preferable that the main body 10 is cylindrical, the cover 20 is screwed with each sub-mold 11 forming the main body 10, the cross section of the cover 20 is also circular, and the main body 10 is cylindrical, that is, the sub-mold 11 is provided with an arc surface piece, so as to be screwed with the cover 20.

The connection method of the cover 20 and the main body 10 is not limited to the screw connection described above, and may be a snap connection, and the cross-sectional shape of the cover 20 and the main body 10 may be a square shape or the like, as long as the shape of the molding cavity 12 conforms to the shape of the test piece.

In an alternative of this embodiment, it is preferable that the fixing member 30 is a rubber sleeve, specifically a high temperature resistant rubber sleeve, having a certain elasticity, and the inner diameter of the rubber sleeve should be smaller than the outer diameter of the main body, so as to provide a good supporting force and a good fixing force; the main body 10 is sleeved with the rubber sleeve and fixed outside, so that an extra fixing structure can be prevented from being arranged on the sub-mold 11, and the cost is saved.

In the alternative of this embodiment, it is preferable that the number of the sub-molds 11 is two, the two sub-molds 11 are provided to facilitate the removal and the assembly of the mold, the joint of the inner wall surfaces of the adjacent sub-molds 11 is smooth, and the occurrence of an excessively obvious defect on the surface of the test block is avoided.

In the alternative of this embodiment, please refer to fig. 2 and 4, preferably, the side ends for connection between the sub-molds 11 are set as step surfaces, so that the mold assembly is convenient to detach, the side ends between the sub-molds 11 are tightly abutted, the material leakage is avoided, and the surface accuracy of the test block is improved.

In addition, the connection mode between the sub-molds 11 is not only the above mode, for example, the side ends for connection between the sub-molds 11 are respectively provided with an insertion rod and an insertion hole, the side ends between the sub-molds 11 can be tightly inserted, the connection of the sub-molds 11 is realized by the insertion mode, and the mold assembly is convenient to disassemble.

In the alternative of this embodiment, it is preferable that the cover 20 and each sub-mold 11 are made of polyethylene, specifically, high-density polyethylene, so as to ensure the service life.

In an alternative of this embodiment, it is preferable that the axial dimension of the molding cavity 12 is not smaller than the axial dimension of the microscopic experimental test block; the axial size and the radial size of the specific forming cavity 12 can meet the size of a test block required by a test, and if the specific forming cavity is set to have the diameter of 35mm and the axial size of 75mm, the size of the test block meeting the test can be directly formed, the problem that the quality of a sample is easy to deteriorate due to multiple times of cutting when a microscopic test block is cut and prepared from a large net slurry test block can be avoided, the problem that the uniformity is not easy to guarantee due to the fact that the size of the test block prepared by a centrifugal tube is too small can be avoided, and the requirement of a smaller-size test block can be met by cutting and forming the test block prepared by the mold provided by the embodiment; and the axial dimension of the forming cavity 12 can be larger than the dimension of the test block required by the test, and then the test block is formed by cutting.

In addition, it should be noted that the size of the molding cavity 12, the thickness of the sub-mold 11 and the size of the rubber sleeve are determined according to actual requirements.

The principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. The utility model provides a test block forming die which characterized in that: the mold comprises a main body (10), a cover body (20) and a fixing part (30), wherein the main body (10) comprises a plurality of sub molds (11) along the circumferential direction, the plurality of sub molds (11) are sequentially connected to form the main body (10) which is closed in the circumferential direction, the main body (10) is provided with a molding cavity (12) with at least one open end, the cover body (20) is arranged on one side of the main body (10) and can be detachably connected with one ends of the plurality of sub molds (11) to seal the opening at one end of the molding cavity (12), and the fixing part (30) can be detachably sleeved outside the main body (10) and can fix the relative position between the sub molds (11).

2. The test block molding die according to claim 1, wherein: the forming cavity (12) is cylindrical, two ends of the main body (10) are both open, the number of the cover bodies (20) is two, and the cover bodies (20) are respectively arranged at two ends of the main body (10) to seal two end openings of the forming cavity (12).

3. The test block molding die according to claim 2, characterized in that: the main body (10) is cylindrical, and the cover body (20) is in threaded connection with each sub-mold (11) forming the main body (10).

4. The test block molding die according to claim 1, wherein: the fixing part (30) is a rubber sleeve.

5. The test block molding die according to claim 1, wherein: the number of the sub-molds (11) is two, and the joint of the inner wall surfaces of the adjacent sub-molds (11) is smooth.

6. The test block molding die according to claim 5, wherein: the side ends for connection between the sub-molds (11) are set to be step surfaces, and the side ends between the sub-molds (11) are tightly abutted.

7. The test block molding die according to claim 5, wherein: the side ends for connection between the sub-molds (11) are respectively provided with an inserted rod and an inserting hole, and the side ends between the sub-molds (11) are tightly inserted.

8. The test block molding die according to claim 1, wherein: the cover body (20) and each sub-mold (11) are made of polyethylene.

9. The test block molding die according to claim 2, wherein: the axial dimension of the molding cavity (12) is not less than that of the microscopic experimental test block.

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