CN217359239U

CN217359239U - Portable drawing of patterns appearance of adjustable size

Info

Publication number: CN217359239U
Application number: CN202220460433.5U
Authority: CN
Inventors: 蒋应军; 聂晨亮; 黄会奇; 雷甲; 李明杰; 杨明
Original assignee: Henan Transportation Infrastructure Quality Inspection Station; Changan University
Current assignee: Henan Transportation Infrastructure Quality Inspection Station; Changan University
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-09-02
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a portable demoulding instrument with adjustable size, which comprises a bottom plate, wherein a lifting mechanism and a plurality of supporting rods are arranged on the bottom plate, a supporting plate is sleeved among the supporting rods, a guide hole is arranged on the supporting plate, the driving end of the lifting mechanism penetrates out of the guide hole, and a cushion block is also arranged on the driving end of the lifting mechanism; be provided with the roof between the top of a plurality of bracing pieces, detachably is provided with the screw hole on the roof, the screw hole internal thread is equipped with the spacing ring. This portable drawing of patterns appearance of adjustable size has solved current drawing of patterns equipment and has had inconvenient the carrying, and can only carry out the problem of a size test piece drawing of patterns.

Description

Portable drawing of patterns appearance of adjustable size

Technical Field

The utility model belongs to the technical field of the test piece drawing of patterns, concretely relates to portable drawing of patterns appearance of adjustable size.

Background

With the research and development and popularization of long-life pavements determined as the major strategic requirements of the highway construction industry at the present stage, the road material test piece with the present size obviously cannot meet the actual engineering requirements, and the test piece is usually demoulded by special demoulding equipment after being manufactured.

Therefore, it is necessary to invent a demolding instrument which can demold test pieces with various sizes, is convenient to carry and is low in price.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable drawing of patterns appearance of adjustable size, there is inconvenient the carrying in the current drawing of patterns equipment of solution, and can only carry out the problem of a size test piece drawing of patterns.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a portable demoulding instrument with adjustable size comprises a bottom plate, wherein a lifting mechanism and a plurality of supporting rods are arranged on the bottom plate, supporting plates are sleeved among the supporting rods, guide holes are formed in the supporting plates, the driving end of the lifting mechanism penetrates out of the guide holes, and a cushion block is further arranged at the driving end of the lifting mechanism; be provided with the roof between the top of a plurality of bracing pieces, detachably is provided with the screw hole on the roof, the screw hole internal thread is equipped with the spacing ring.

As a preferred technical scheme of the utility model, the department is provided with the step near the outer edge in upper end of bracing piece, the backup pad is set up on the step, the upper end screw thread of bracing piece is equipped with the nut.

As an optimized technical scheme of the utility model, the quantity of bracing piece is four, and arranges the four corners department of bottom plate.

As an optimized technical solution of the present invention, the lifting mechanism is a jack.

As an optimized technical scheme of the utility model, a bolster screw assembly is in on the drive end of jack.

The utility model has the advantages that: the utility model discloses a portable drawing of patterns appearance of adjustable size, its simple structure, easily make, the operation is also comparatively convenient, can change the stripper plate that has corresponding size and goes out a hole according to actual need and realize the drawing of patterns work of different sizes, has realized the portability of drawing of patterns appearance simultaneously, provides very big convenience for developing mechanical properties and road performance test; compare with the tradition knockout appearance that uses the hydraulic press to provide power, the utility model discloses a portable knockout appearance of adjustable size is that manual drive jack provides power and carries out the drawing of patterns, has saved the cost greatly, establishes the basis for developing mechanical properties and road performance test, has better market popularization and use prospect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic structural view of a portable demoulding instrument with adjustable size of the present invention.

In the figure: 1. the lifting mechanism comprises a bottom plate, 2 supporting rods, 3 cushion blocks, 4 dies, 5 threaded holes, 6 top plates, 7 nuts, 8 supporting plates, 9 guiding holes and 10 lifting mechanisms.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, the portable demolding instrument with adjustable size of the present invention comprises a bottom plate 1, a lifting mechanism 10 and a plurality of support rods 2 are arranged on the bottom plate 1, a support plate 8 is arranged between the plurality of support rods 2, a guide hole 9 is arranged on the support plate 8, a driving end of the lifting mechanism 10 penetrates out of the guide hole 9, and a cushion block 3 is further arranged at the driving end of the lifting mechanism 10; detachably is provided with roof 6 between the top of a plurality of bracing pieces 2, is provided with screw hole 5 on roof 6, and 5 internal threads in screw hole are equipped with the spacing ring.

After the test piece is molded in the mold 4, the test piece needs to be separated from the mold 4, and the mold 4 is cylindrical. The shape of cushion 3 and the internal diameter phase-match of mould 4, the aperture of spacing ring is greater than the internal diameter of mould 4 and is less than the external diameter of mould 4, places mould 4 on cushion 3 earlier during the drawing of patterns, ensures that cushion 3 is located mould 4, and the test piece is located cushion 3. After that, the lifting mechanism 10 drives the cushion block 3 to move upwards, the die 4 moves upwards along with the cushion block 3, the upper end of the die 4 is propped against the lower side of the top plate 6, and the test piece is released from the hole of the limiting ring, so that the test piece is released from the die 4.

For the dies 4 with different sizes, stop rings with different inner diameters can be selected to be assembled in the threaded holes 5 to complete demoulding.

In addition, if the limiting ring is not used, for the dies 4 with different sizes, the top plate 6 with different hole diameters of the threaded holes 5 can be replaced for demolding, and at the moment, only the inner diameter of the threaded hole 5 is required to be larger than the inner diameter of the test piece and smaller than the inner diameter of the die 4.

As shown in fig. 1, the utility model discloses an in the portable drawing of patterns appearance of adjustable size, the outer department of following of the upper end of being close to of bracing piece 2 is provided with the step, and backup pad 8 sets up on the step, and the upper end screw thread of bracing piece 2 is equipped with nut 7.

When the supporting plate 8 is assembled, the supporting plate is inserted from the upper ends of the four supporting rods 2 until the supporting plate is erected on steps on the four supporting rods 1, and then the nuts 7 are installed at the upper ends of the four supporting rods 1, so that the supporting plate 8 is fixed, and the assembly and disassembly are convenient.

As shown in fig. 1, in the portable demoulding apparatus with adjustable size of the present invention, the bottom plate 1 is a quadrangle, the number of the support rods 2 is four, and the support rods are arranged at four corners of the bottom plate 1.

The design can ensure that the supporting plate 8 and the cushion block 3 are always in the horizontal position on the one hand, and the test piece is prevented from being damaged by oblique movement.

As shown in fig. 1, in the portable size-adjustable demoulding apparatus of the present invention, the driving mechanism 10 is preferably a jack, and the experimenter can manually drive the jack to complete the lifting of the cushion block 3.

As shown in FIG. 1, in the portable size-adjustable demoulding instrument of the utility model, the cushion block 4 is assembled at the driving end of the jack by screw threads, and the dismounting is convenient.

Therefore, compared with the prior art, the size-adjustable portable demolding instrument has the advantages of simple structure, easy manufacture and convenient operation, can replace the demolding plate with the corresponding size piece outlet hole according to actual needs to realize demolding work with different sizes, simultaneously realizes the portability of the demolding instrument, and provides great convenience for developing mechanical property and road performance tests; compare with the tradition knockout appearance that uses the hydraulic press to provide power, the utility model discloses a portable knockout appearance of adjustable size is that manual drive jack provides power and carries out the drawing of patterns, has saved the cost greatly, establishes the basis for developing mechanical properties and road performance test, has better market popularization and use prospect.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But variations and modifications which do not depart from the spirit and scope of the invention should be construed as being included in the scope of the appended claims.

Claims

1. The portable demolding instrument with the adjustable size is characterized by comprising a bottom plate (1), wherein a lifting mechanism (10) and a plurality of supporting rods (2) are arranged on the bottom plate (1), supporting plates (8) are arranged among the supporting rods (2), guide holes (9) are formed in the supporting plates (8), the driving end of the lifting mechanism (10) penetrates out of the guide holes (9), and a cushion block (3) is further arranged at the driving end of the lifting mechanism (10); detachably be provided with roof (6) between the top of a plurality of bracing pieces (2), be provided with screw hole (5) on roof (6), screw hole (5) internal thread is equipped with the spacing ring.

2. Portable size-adjustable demoulding instrument according to claim 1, wherein the support bar (2) is provided with a step near the outer edge of the upper end, on which the support plate (8) is set up, the upper end of the support bar (2) being screw-fitted with a nut (7).

3. Portable size-adjustable demolder according to claim 2, characterized in that said supporting rods (2) are four in number and are arranged at the four corners of said base plate (1).

4. Portable size-adjustable de-molding apparatus according to claim 3, characterized in that the lifting mechanism (10) is a jack.

5. Portable size adjustable de-molding apparatus according to claim 4, characterized in that the spacer (3) is screw-fitted at the driving end of the jack.