CN214644566U

CN214644566U - Permanent magnet self-suction type concrete test mold

Info

Publication number: CN214644566U
Application number: CN202120514006.6U
Authority: CN
Inventors: 臧金源; 褚祥鹏; 郑翰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-09
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a permanent magnetism is from inhaling formula concrete test, including mould box body, magnet and shaking table, magnet is installed in the bottom of mould box body, and the one end that the mould box body is close to magnet is installed on the shaking table, still including installing a plurality of handle subassemblies to the side of the mould box body, rotates handle subassembly and is in actuation state or non-actuation state with changing magnet and shaking table. The utility model provides a can fix or attach to the concrete examination mould on iron workstation, can be manual with the concrete examination mould adsorb or break away from in the shaking table, the operation of being convenient for.

Description

Permanent magnet self-suction type concrete test mold

Technical Field

The utility model belongs to the technical field of the concrete examination mould, especially, relate to a permanent magnetism is from inhaling formula concrete examination mould.

Background

According to the GB/T50081-2019 'test method standard for physical and mechanical properties of concrete' requiring the compaction of a vibrating table to manufacture a test piece, a concrete mixture is filled into a test mold at one time, the test mold is attached or fixed on the vibrating table, the test mold is prevented from freely jumping on the vibrating table during vibration, and the vibration is continued until the surface is pulped and no obvious large bubbles overflow, so that the vibration is avoided. According to the requirements of JG/T245-2009 vibration table for concrete test, the electromagnet is adopted to fix the concrete test mould on the test mould fixing vibration table, and the concrete test mould is ensured not to be loosened, slipped and damaged in the vibration forming process. The existing concrete test mold mainly comprises a cast iron test mold and a plastic test mold, the cast iron test mold can meet the technical requirements in the practical process, and the conventional plastic test mold cannot meet the forming mode of a vibrating table and can only be applied to the manual inserting and tamping forming mode. Greatly influencing the application range of the plastic test mold. Cast iron examination mould self gravity is big, has increased experimenter's working strength, and the electro-magnet need the circular telegram in addition just can adsorb, can not use in the field or the place that does not have the electricity, and the operation is complicated, and is higher to the environmental requirement.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art with not enough, the utility model aims to provide a not circular telegram also can adsorb the concrete examination mould of fixing on the iron panel.

The technical scheme of the utility model as follows: a permanent-magnet self-suction concrete test mould comprises a mould box body, a magnet and a vibration table, wherein the magnet is arranged at the bottom of the mould box body, one end, close to the magnet, of the mould box body is arranged on the vibration table, the permanent-magnet self-suction concrete test mould also comprises a plurality of handle components arranged on the side face of the mould box body, and the handle components are rotated to change the state that the magnet and the vibration table are in an attraction state or a non-attraction state;

the handle assembly comprises an eccentric cam, a pin shaft, a jacking pin, a connecting bolt and a handle, wherein the two sides of the die box body are provided with lugs for mounting the pin shaft, the eccentric cam is sleeved on the pin shaft, the handle is connected with the eccentric cam through the connecting bolt, the bottom of the die box body is provided with a jacking pin mounting hole, the jacking pin penetrates through the jacking pin mounting hole and is in sliding fit with the die box body, one end of the jacking pin is in contact with the eccentric cam, and the other end of the jacking pin is connected with the vibrating table.

Specifically, the magnet is embedded into the bottom of the mold box body, and the extension face of the bottom face of the magnet is overlapped with the bottom face of the mold box body.

Specifically, one surface of the magnet, which is close to the vibration table, is magnetized.

Specifically, when the short diameter of the eccentric cam is in contact with the ejector pin, one end of the ejector pin, which is far away from the eccentric cam, enters the bottom surface of the die box body, and the bottom surface of the magnet and the vibrating table are in an attraction state.

Specifically, when the major diameter of the eccentric cam is in contact with the ejector pin, one end of the ejector pin, which is far away from the eccentric cam, extends out of the bottom surface of the die box body, the bottom surface of the magnet is separated from the vibrating table, and the bottom surface of the magnet and the vibrating table are in a non-attraction state.

Specifically, the mold box body is a cover-free box body, the bottom surface of the mold box body is provided with an extension surface, and the extension surface is provided with a lug and a top pin mounting hole.

Specifically, the vibration table is made of metal.

Specifically, the number of the handle assemblies is 2.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model arranges the magnet on the concrete test mould, which is used for adsorbing the concrete test mould on the vibration table, reduces the use of the electromagnet, and can complete adsorption without powering on;

(2) the utility model adopts the handle component, the adsorption state of the concrete test mould and the vibration table can be easily changed through manual rotation, and the operation is simple and easy;

(3) the utility model discloses high integration, simple structure, greatly reduced the installation degree of difficulty, and the low cost is convenient for put into production.

Drawings

FIG. 1 is a cross-sectional view showing the suction state of a concrete test mold and a vibration table in a permanent-magnet self-suction type concrete test mold of the present invention;

FIG. 2 is a cross-sectional view showing the non-attracting state of the concrete test mold and the vibrating table in the permanent-magnet self-suction type concrete test mold of the present invention;

fig. 3 is a schematic structural view showing the suction state of the concrete test mold and the vibration table in the permanent-magnet self-suction type concrete test mold of the present invention;

fig. 4 is a schematic structural view showing a non-attracting state between a concrete test mold and a vibrating table in the permanent-magnet self-suction type concrete test mold of the present invention;

description of reference numerals:

1. a mold box body; 2. a magnet; 3. an eccentric cam; 4. a pin shaft; 5. a knock pin; 6. a connecting bolt; 7. a handle; 8. a vibration table.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that can be achieved.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example 1

As shown in fig. 1 and 3, the present invention is specifically illustrated: a permanent-magnet self-suction concrete test mould comprises a mould box body 1, a magnet 2 and a vibration table 8, wherein the magnet 2 is installed at the bottom of the mould box body 1, one end, close to the magnet 2, of the mould box body 1 is installed on the vibration table 8, the permanent-magnet self-suction concrete test mould also comprises a plurality of handle components installed on the side face of the mould box body 1, and the handle components are rotated to change the state that the magnet and the vibration table are in an attraction state or a non-attraction state;

the handle subassembly includes eccentric cam 3, round pin axle 4, knock pin 5, connecting bolt 6 and handle 7, 1 both sides of mould box body are equipped with the lug of installation round

pin axle

4, 3 suits of eccentric cam are on round pin axle 4, handle 7 is connected with eccentric cam 3 through connecting bolt 6, be equipped with the knock pin mounting hole on the bottom of mould box body 1, knock pin 5 passes in the knock pin mounting hole and knock

5 and 1 sliding fit of mould box body, the one end and the 3 contact of eccentric cam of knock pin 5 and its other end are connected with shaking table 8.

Further, the magnet 2 is embedded into the bottom of the mold box 1, and the extension surface of the bottom surface of the magnet 2 is overlapped with the bottom surface of the mold box 1.

Further, one side of the magnet 2 close to the vibration table 8 is magnetized, and the magnetic force is adjusted by changing the size of the magnet.

Further, the mold box body 1 is a cover-free box body, the bottom surface of the mold box body 1 is provided with an extension surface, and the extension surface is provided with a lug and a top pin mounting hole.

Further, the material used for the vibration table 8 is metal.

Further, the number of handle assemblies is 2.

When the short diameter of the eccentric cam 3 is contacted with the ejector pin 5, one end of the ejector pin 5, which is far away from the eccentric cam 3, enters the bottom surface of the die box body 1, and the bottom surface of the magnet 2 and the vibrating table 8 are in an attraction state.

Example 2

As shown in fig. 2 and 4, the following differences are provided in addition to the same technical features as in embodiment 1:

when the major diameter of the eccentric cam 3 is contacted with the ejector pin 5, one end of the ejector pin 5, which is far away from the eccentric cam 3, extends out of the bottom surface of the die box body 1, the bottom surface of the magnet 2 is separated from the vibrating table 8, and the magnet 2 and the vibrating table are in a non-attraction state.

The working principle is as follows:

the magnet 2 is magnetized in the height direction, the magnet 2 is embedded and installed at the bottom of the die box body 1, the connection mode includes but is not limited to bonding, riveting or bolt connection, and the bottom surface of the magnet 2 is parallel to or on the same plane with the bottom plane of the die box body 1; handles 7 are arranged on two sides of the die box body, the handles 7 are connected with the eccentric cams 3 through corresponding connecting bolts 6, and the eccentric cams 3 are arranged on two sides of the die box body 1 through pin shafts 4; the handle 7 and the eccentric cam 3 can rotate around the pin shaft 4; the base edges of two sides of the mould box body 1 are provided with ejector pins 5, one ends of the ejector pins 5 are in contact with the eccentric cams 3, move up and down along with the rotation of the eccentric cams 3, and can protrude out of or retract into the bottom surface of the mould box body 1.

Pack into concrete mixture concrete examination mould, place examination mould on the concrete shaking table of iron panel, the both sides handle of examination mould is held to both hands, keeps away from the examination mould and outwards presses both sides handle 7, and the eccentric cam 3 minor diameter H1 height in both sides contacts with corresponding knock pin 5 this moment, and inside is followed to both sides knock pin 5 withdrawal mould box body 1 bottom side, and laminating or being close above magnet 2 bottom surface and the iron workstation 8, and the concrete examination mould adsorbs on workstation 8.

After the vibration is finished, the handles 7 on the two sides are lifted upwards, the eccentric cam 3 is driven to rotate to the height H2 to be in contact with the ejector pin 5, the ejector pin 5 stretches out of the bottom surface of the mold box body 1 to abut against an iron panel, the stretching length H is H2-H1, the attraction force of the magnet is sharply reduced along with the increase of the distance of the adsorbed object, the attraction force of the magnet 2 and the iron workbench 8 is sharply attenuated at the moment, and the concrete test mold is separated.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a permanent magnetism is from inhaling formula concrete test, includes mould box body (1), magnet (2) and shaking table (8), magnet (2) are installed in the bottom of mould box body (1), and the one end that mould box body (1) is close to magnet (2) is installed on shaking table (8), its characterized in that: the die box further comprises a plurality of handle components arranged on the side surface of the die box body (1), and the handle components are rotated to change the state that the magnet and the vibrating table are in an attraction state or a non-attraction state;

the handle assembly comprises an eccentric cam (3), a pin shaft (4), a jacking pin (5), a connecting bolt (6) and a handle (7), wherein the two sides of the mold box body (1) are provided with lugs for installing the pin shaft (4), the eccentric cam (3) is sleeved on the pin shaft (4), the handle (7) is connected with the eccentric cam (3) through the connecting bolt (6), the bottom of the mold box body (1) is provided with a jacking pin installing hole, the jacking pin (5) penetrates through the jacking pin installing hole, the jacking pin (5) is in sliding fit with the mold box body (1), one end of the jacking pin (5) is in contact with the eccentric cam (3), and the other end of the jacking pin is connected with the vibration table (8).

2. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: the magnet (2) is embedded into the bottom of the mold box body (1), and the extension face of the bottom face of the magnet (2) is overlapped with the bottom face of the mold box body (1).

3. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: and one surface of the magnet (2) close to the vibrating table (8) is magnetized.

4. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: when the minor diameter of the eccentric cam (3) is contacted with the ejector pin (5), one end of the ejector pin (5) far away from the eccentric cam (3) enters the bottom surface of the die box body (1), and the bottom surface of the magnet (2) and the vibrating table (8) are in a suction state.

5. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: when the major diameter of the eccentric cam (3) is contacted with the ejector pin (5), one end of the ejector pin (5) far away from the eccentric cam (3) extends out of the bottom surface of the die box body (1), the bottom surface of the magnet (2) is separated from the vibrating table (8), and the magnet (2) and the vibrating table are in a non-attraction state.

6. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: the die box body (1) is a cover-free box body, the bottom surface of the die box body (1) is provided with an extension surface, and a lug and a top pin mounting hole are arranged on the extension surface.

7. The permanent magnet self-priming concrete test mould according to claim 1, characterized in that: the vibration table (8) is made of metal.

8. The permanent magnet self-priming concrete test mould according to any one of claims 1 to 7, characterized in that: the number of the handle components is 2.