CN215115464U - Die used for tensile test piece molding and convenient for demolding - Google Patents
Die used for tensile test piece molding and convenient for demolding Download PDFInfo
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- CN215115464U CN215115464U CN202120231933.7U CN202120231933U CN215115464U CN 215115464 U CN215115464 U CN 215115464U CN 202120231933 U CN202120231933 U CN 202120231933U CN 215115464 U CN215115464 U CN 215115464U
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Abstract
The utility model relates to a mould that is used for tensile test piece shaping and is convenient for the drawing of patterns belongs to mould technical field. The die comprises an I-shaped die block, wherein side concave die blocks are correspondingly arranged on two sides of the I-shaped die block, and the I-shaped die block and the side concave die blocks are matched to form a die cavity; the I-shaped die block comprises an I-shaped frame, a die plate is arranged on one side of the I-shaped frame, and connecting plates are outwards arranged on two sides of the opening end of the I-shaped frame; the side concave type die block comprises a U-shaped frame, a bottom plate is arranged on one side of the U-shaped frame, and connecting blocks are outwards arranged on two sides of the opening end of the U-shaped frame; the I-shaped die block and the side concave die block are connected with each other through a connecting block and a connecting plate. The utility model discloses simple structure, the drawing of patterns of being convenient for, the test block is difficult to the rupture.
Description
Technical Field
The utility model relates to a mould that is used for tensile test piece shaping and is convenient for the drawing of patterns belongs to mould technical field.
Background
The conventional dies for building material mechanics experiments have cubic, cylindrical and prismatic bodies which are used as mechanical indexes such as compression resistance, splitting tensile resistance and the like, and the existing demoulding mode is to improve the lubricating property of the dies in the demoulding process by coating a demoulding agent on the inner side of the dies so as to solve the problem that the inner forming material is not easy to demould when being bonded with the dies.
The prior art has the following technical defects:
1. the tensile test piece is difficult to demould, and part of the material is too strong in adhesion with the inner wall of the mould and is difficult to take out, and even the integrity of the tensile test piece is damaged in the demoulding process. Particularly, the test block is directly drawn, and the test block is thin and is easy to break when being demoulded.
2. After the volume of a part of test pieces is expanded, the part of test pieces are tightly attached to the inner wall of the die and mutually extruded to increase the internal friction resistance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a mould that is used for tensile test piece shaping and is convenient for the drawing of patterns, simple structure, the drawing of patterns of being convenient for, the test block is difficult to the rupture.
The die for forming the tensile test piece and facilitating demoulding comprises two side concave die blocks which are oppositely arranged, wherein the two side concave die blocks are matched to form a die cavity;
the side concave type die block comprises a U-shaped frame, a bottom plate is arranged on one side of the U-shaped frame, connecting blocks are outwards arranged on two sides of an opening end of the U-shaped frame, and the two side concave type die blocks are connected through the connecting blocks.
Working process or working principle:
the two side concave die blocks are oppositely arranged and connected through a connecting block. The injection molding waits to be the building material of tensile test piece, and building material shaping back is unpack the connecting block apart, separately takes off the concave type mould piece in side to one side, can take off tensile test piece very easily, and the drawing of patterns of tensile test piece is convenient, and tensile test piece is difficult to damage.
Preferably, a concave inner frame is arranged in the die cavity, and the concave inner frame comprises two U-shaped frames which are oppositely arranged; the outer wall of the concave inner frame is matched with the inner wall of the die cavity.
Preferably, the concave inner frame height is set lower than the die cavity height.
The utility model discloses a mould for tensile test piece shaping and convenient demoulding, including I shape mould piece, I shape mould piece both sides correspond to be equipped with side concave type mould piece, I shape mould piece and side concave type mould piece cooperation form the mould chamber;
the I-shaped die block comprises an I-shaped frame, a die plate is arranged on one side of the I-shaped frame, and connecting plates are outwards arranged on two sides of the opening end of the I-shaped frame;
the side concave type die block comprises a U-shaped frame, a bottom plate is arranged on one side of the U-shaped frame, and connecting blocks are outwards arranged on two sides of the opening end of the U-shaped frame;
the I-shaped die block and the side concave die block are connected with each other through a connecting block and a connecting plate.
Working process or working principle:
the side concave type die blocks are placed on two sides of the I-shaped die block and are connected correspondingly, building materials to be used as tensile test pieces are injected, after the building materials are formed, the side concave type die block and the I-shaped die block are disassembled, the two side concave type die blocks are taken down to the outside in a separated mode, the tensile test pieces are taken down, the tensile test pieces are convenient to demold, and the tensile test pieces are not easy to damage.
Preferably, at least two I-shaped die blocks are arranged side by side, and adjacent I-shaped die blocks are connected through a connecting plate. A plurality of tensile test pieces can be manufactured simultaneously, and the working efficiency is improved.
Preferably, the connecting block and the connecting plate are connected by bolts.
Preferably, a concave inner frame is arranged in the die cavity, and the concave inner frame comprises two U-shaped frames which are oppositely arranged; the outer wall of the concave inner frame is matched with the inner wall of the die cavity.
Preferably, the concave inner frame height is set lower than the die cavity height.
Can meet the requirements of more tensile test pieces with different sizes and the manufacturing requirements of the tensile test pieces with various lengths, widths and heights.
Preferably, all set up the screw hole on connecting block and the connecting plate, the screw hole passes through screw-thread fit with the screw rod, and the nut fastening is passed through at the screw rod both ends. The screw rod passes through threaded connection with the screw hole itself, and the screw rod both ends rethread double nut fastening connects more firmly reliably.
Preferably, the die material is polytetrafluoroethylene, a nano material or polished stainless steel, and the polytetrafluoroethylene, the nano material or the polished stainless steel has high density and is not easy to bond, so that the bonding property with a test piece is reduced, and the demoulding is easy.
The application requirements of various tensile test pieces are met.
Some building materials are easy to slightly expand during the forming process, so that the tensile test piece is tightly attached to the mold, the pressure around the tensile test piece is enhanced, and the sliding capability is reduced. A mould for tensile test piece shaping and be convenient for drawing of patterns, through setting up concave type mould piece of detachable side and I shape mould piece, through the dismouting mould, the drawing of patterns is convenient, moreover, is difficult to damage the tensile test piece.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the concave type mould piece of side of two relative settings, realize the drawing of patterns through the concave type mould piece of dismouting side, the drawing of patterns is convenient, moreover, is difficult to damage the tensile test piece.
2. Through setting up the cooperation of the concave type mould piece of side and I shape mould piece, can accomplish the preparation of a plurality of tensile test pieces simultaneously, realize the drawing of patterns through the concave type mould piece of dismouting side and I shape mould piece, the drawing of patterns is convenient, moreover, is difficult to damage tensile test piece, and the preparation is efficient.
3. The method saves the release agent coating and the release preparation flow required by the release in the prior art, saves the operation time and reduces the manufacturing cost.
4. The assembled type mould is adopted, the required quantity of moulds can be assembled at will according to needs, the application is more convenient, the occupied area of the mould is reduced, and the carrying is also convenient.
5. Through setting up concave type inside casing, can adapt to the tensile test piece preparation requirement of more specifications and models, the mould commonality is better.
Drawings
FIG. 1: the utility model discloses embodiment 1 structure sketch map;
FIG. 2: the utility model discloses embodiment 2 structure schematic diagram;
FIG. 3: one of the schematic structural diagrams of the undercut die block;
FIG. 4: a second schematic structural view of the undercut die block;
FIG. 5: the structural schematic diagram of the I-shaped die block;
FIG. 6: the screw and the double nuts are structurally schematic;
FIG. 7: the utility model discloses embodiment 3 structure sketch map;
FIG. 8: FIG. 7 is a schematic cross-sectional structural view;
FIG. 9: the structure of the concave inner frame is shown schematically.
In the figure: 1. the die comprises a first side concave die block 2, an I-shaped die block 3, a second side concave die block 4, a screw rod 5, a first nut 6, a second nut 7 and a concave inner frame;
1.1, a U-shaped frame 1.2, a connecting block 1.3, a bottom plate 1.4 and a first threaded hole;
2.1, an I-shaped frame 2.2, a die plate 2.3, a connecting plate 2.4 and a second threaded hole.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
example 1
As shown in fig. 1 and fig. 3 to 9, the mold for molding a tensile test piece and facilitating demolding of the invention comprises an i-shaped mold block 2, wherein two sides of the i-shaped mold block 2 are correspondingly provided with side concave mold blocks, and the i-shaped mold block 2 and the side concave mold blocks are matched to form a mold cavity;
the I-shaped die block 2 comprises an I-shaped frame 2.1, a die plate 2.2 is arranged on one side of the I-shaped frame 2.1, and connecting plates 2.3 are outwards arranged on two sides of the opening end of the I-shaped frame 2.1;
the side concave type die block comprises a first side concave type die block 1 and a second side concave type die block 3, and the first side concave type die block 1 is matched with an adjacent I-shaped frame 2.1 to form a die cavity;
adjacent I-shaped frames 2.1 are matched to form a die cavity;
the i-shaped frame 2.1 and the second concave side die block 3 cooperate to form a die cavity.
And combining a corresponding number of die cavities according to actual needs. As shown in fig. 1, four i-shaped mold blocks are connected in sequence, one side of each i-shaped mold block is connected with a first side concave mold block 1, the other side of each i-shaped mold block is connected with a second side concave mold block 3, 5 mold cavities can be formed, and 5 tensile test pieces can be manufactured by one-time pouring.
The side concave type die block comprises a U-shaped frame 1.1, a bottom plate 1.3 is arranged on one side of the U-shaped frame 1.1, and connecting blocks 1.2 are outwards arranged on two sides of the opening end of the U-shaped frame 1.1;
the I-shaped die block 2 and the side concave die block are connected with a connecting plate 2.3 through a connecting block 1.2.
Offer screw hole one 1.4 on connecting block 1.2, offer screw hole two 2.4 on connecting plate 2.3, screw rod 4 passes through screw-thread fit with screw hole one 1.4 and screw hole two 2.4, then, nut one 5 is twisted to the screw rod from screw rod one end, nut two 6 is twisted to the screw rod from the nut other end, and nut one and nut two cooperate to screw up.
The connecting piece 1.2 and the connecting plate 2.3 can also be connected by means of screws.
At least two I-shaped die blocks 2 are arranged side by side, and the adjacent I-shaped die blocks 2 are connected through a connecting plate 2.3. The arrangement number of the I-shaped die blocks 2 can be set according to the number of the tensile test pieces manufactured according to actual needs. The connection mode of the connection plate is similar to that of the connection block and the connection plate, and is not described in detail.
A concave inner frame 7 can be arranged in the die cavity, and the concave inner frame can comprise two U-shaped frames which are oppositely arranged; the outer wall of the concave inner frame 7 is arranged in a way of being matched with the inner wall of the die cavity. The height of the concave inner frame 7 can be set lower than the height of the die cavity.
Example 2
As shown in fig. 2-4 and fig. 6, the mold for molding the tensile test piece and facilitating demolding of the tensile test piece of the present invention includes two side concave mold blocks oppositely disposed, each side concave mold block includes a first side concave mold block 1 and a second side concave mold block 3, and the first side concave mold block 1 and the second side concave mold block 3 cooperate to form a mold cavity;
the side concave type die block comprises a U-shaped frame 1.1, a bottom plate 1.3 is arranged on one side of the U-shaped frame 1.1, connecting blocks 1.2 are outwards arranged on two sides of the opening end of the U-shaped frame 1.1, and the two side concave type die blocks are connected through the connecting blocks 1.2.
Offer screw hole one 1.4 on connecting block 1.2, screw rod 4 passes through screw-thread fit with screw hole one 1.4, then, nut one 5 is twisted to the screw rod from screw rod one end, and nut two 6 is twisted to the screw rod from the nut other end, and nut one and nut two cooperate to screw up.
The connecting piece 1.2 and the connecting plate 2.3 can also be connected by means of screws.
Example 3
As shown in fig. 7 to 9, a concave inner frame 7 may be further disposed in the mold cavity, and the concave inner frame may include two U-shaped frames disposed oppositely; the outer wall of the concave inner frame 7 is arranged in a way of being matched with the inner wall of the die cavity. The height of the concave inner frame 7 can be set lower than the height of the die cavity. The rest is the same as example 2.
Working process or working principle:
1. mold assembly
The first side concave die block, the I-shaped die block and the second side concave die block are placed side by side and are connected and fastened in sequence by double nuts.
The concave inner frame can be placed in the die cavity according to the requirement.
2. Casting and demolding
And pouring the building material into the mold cavity, forming the building material into a tensile test piece after the building material is molded, twisting out the nut, taking out the screw rod 4, and detaching the first side concave mold block, the I-shaped mold block and the second side concave mold block to obtain a complete tensile test piece. The drawing of patterns is convenient, and tensile test piece is not fragile.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (8)
1. A die used for tensile test piece molding and convenient for demolding is characterized by comprising two side concave die blocks which are oppositely arranged, wherein the two side concave die blocks are matched to form a die cavity;
the side concave type die block comprises a U-shaped frame (1.1), a bottom plate (1.3) is arranged on one side of the U-shaped frame (1.1), connecting blocks (1.2) are outwards arranged on two sides of the opening end of the U-shaped frame (1.1), and the two side concave type die blocks are connected through the connecting blocks (1.2);
a concave inner frame (7) is arranged in the die cavity, and the concave inner frame (7) comprises two U-shaped frames which are oppositely arranged; the outer wall of the concave inner frame (7) is arranged in a way of adapting to the inner wall of the die cavity.
2. The die for forming the tensile test piece and facilitating demolding according to claim 1, wherein the height of the concave inner frame (7) is set lower than the height of the die cavity.
3. A die for forming a tensile test piece and facilitating demolding is characterized by comprising an I-shaped die block (2), wherein side concave die blocks are correspondingly arranged on two sides of the I-shaped die block (2), and the I-shaped die block (2) is matched with the side concave die blocks to form a die cavity;
the I-shaped mould block (2) comprises an I-shaped frame (2.1), a mould plate (2.2) is arranged on one side of the I-shaped frame (2.1), and connecting plates (2.3) are outwards arranged on two sides of the opening end of the I-shaped frame (2.1);
the side concave type die block comprises a U-shaped frame (1.1), a bottom plate (1.3) is arranged on one side of the U-shaped frame (1.1), and connecting blocks (1.2) are outwards arranged on two sides of an opening end of the U-shaped frame (1.1);
the I-shaped die block (2) and the side concave die block are connected with a connecting plate (2.3) through a connecting block (1.2).
4. The mold for molding the tensile specimen and facilitating demolding according to claim 3, wherein at least two I-shaped mold blocks (2) are arranged side by side, and adjacent I-shaped mold blocks (2) are connected through a connecting plate (2.3).
5. The mold for molding a tensile specimen and facilitating demolding according to claim 3 or 4, wherein the connecting block (1.2) and the connecting plate (2.3) are connected by a bolt.
6. The die for forming the tensile test piece and facilitating demolding according to claim 5, wherein a concave inner frame (7) is arranged in the die cavity, and the concave inner frame (7) comprises two oppositely arranged U-shaped frames; the outer wall of the concave inner frame (7) is arranged in a way of adapting to the inner wall of the die cavity.
7. The die for forming the tensile test piece and facilitating demolding according to claim 6, wherein the height of the concave inner frame (7) is set lower than the height of the die cavity.
8. The mold for molding the tensile test piece and facilitating demolding according to claim 3 or 4, wherein the connecting block (1.2) and the connecting plate (2.3) are respectively provided with a threaded hole, the threaded holes are in threaded fit with the screw rod (4), and two ends of the screw rod (4) are fastened through nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231933.7U CN215115464U (en) | 2021-01-26 | 2021-01-26 | Die used for tensile test piece molding and convenient for demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231933.7U CN215115464U (en) | 2021-01-26 | 2021-01-26 | Die used for tensile test piece molding and convenient for demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215115464U true CN215115464U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120231933.7U Active CN215115464U (en) | 2021-01-26 | 2021-01-26 | Die used for tensile test piece molding and convenient for demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215115464U (en) |
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2021
- 2021-01-26 CN CN202120231933.7U patent/CN215115464U/en active Active
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