CN213733570U - Forming jig for special-shaped structural part - Google Patents
Forming jig for special-shaped structural part Download PDFInfo
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- CN213733570U CN213733570U CN202022258154.4U CN202022258154U CN213733570U CN 213733570 U CN213733570 U CN 213733570U CN 202022258154 U CN202022258154 U CN 202022258154U CN 213733570 U CN213733570 U CN 213733570U
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Abstract
The utility model relates to a forming jig of a special-shaped structural part, which comprises a jig body, wherein the jig body comprises a first forming part and a second forming part; the first forming piece and the second forming piece respectively comprise a connecting end extending along the horizontal direction and a forming end extending along the vertical direction of the connecting end, the first forming piece and the second forming piece are horizontally opposite, and the connecting end of the first forming piece is movably connected or detachably connected with the connecting end of the second forming piece. The utility model discloses a first forming part passes through detachable mode fixed connection with the second forming part, and after the shaping of dysmorphism structure, first forming part can be followed special-shaped structure with the second forming part and is dismantled out, solves traditional integral type shaping tool and special-shaped structure and appears the problem of card mould or unable drawing of patterns.
Description
Technical Field
The utility model relates to a forming jig technical field especially relates to a forming jig that is used for special-shaped structure spare or special-shaped structure work piece.
Background
At present, for the production of special-shaped structural parts, dry powder materials are mainly filled into a die cavity and subjected to pressure compression molding, and then a green body is obtained after isostatic pressing secondary molding treatment. In the prior art, some special-shaped structural parts with arc surfaces can be frequently touched, when the special-shaped structural parts are subjected to dry pressing in a die, the arc surfaces of the special-shaped structural parts can generate the condition of uneven green body density (or different compression ratios) due to uneven pressing stress in the die, and the phenomenon of collapse and deformation can occur during isostatic pressing secondary forming, so that the appearance or the size of a blank is uncontrollable. In order to solve the problems, the existing method is to place a forming (or shape-retaining) jig with an arc surface in isostatic pressing, and the problem of collapse and deformation of the special-shaped structural part with the arc surface appearance structure due to uneven green body density (or different compression ratios) can be effectively solved through the forming jig.
However, the integral type structure is adopted mostly to above-mentioned forming jig, and the forming jig of integral type is after isostatic pressing post forming, because of special-shaped structure spare pressure release back elasticity is afterwards imitated and is aroused the body size inflation, leads to appearing the card mould or the problem that can't drawing of patterns between special-shaped structure spare and the forming jig, brings very big inconvenience for the actual production processing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heterotypic structure shaping tool to solve traditional special-shaped structure and demold the not good problem of effect behind isostatic compaction.
In order to solve the technical problem, the utility model provides a forming jig for a special-shaped structural member, which comprises a jig body, wherein the jig body comprises a first forming piece and a second forming piece, and the first forming piece and the second forming piece respectively comprise a connecting end extending along the horizontal direction and a forming end extending along the vertical direction of the connecting end; the first forming part is horizontally opposite to the second forming part, and the connecting end of the first forming part is movably connected or detachably connected with the connecting end of the second forming part.
In the structure, the first forming piece and the second forming piece are connected through a clamping structure; the clamping structure comprises a clamping protrusion arranged at the connecting end of the first forming piece and a clamping groove arranged at the connecting end of the second forming piece, and the first forming piece is fixed in the clamping groove of the second forming piece through the clamping protrusion in an inserted manner.
In the structure, the first forming part and the second forming part are connected through a butt joint structure; the butt joint structure comprises a first inclined plane part arranged at the connecting end of the first forming piece and a second inclined plane part arranged at the connecting end of the second forming piece, the first inclined plane part is connected with the second inclined plane part in a matched mode, and the first forming piece is in butt joint with the second inclined plane part of the second forming piece through the first inclined plane part.
In the structure, the first forming piece and the second forming piece are connected through a mortise and tenon structure; the mortise and tenon joint structure comprises a tenon arranged at the connecting end of the first forming piece and a mortise arranged at the connecting end of the second forming piece, and the first forming piece is fixed in the mortise of the second forming piece through the tenon in an inserting manner.
In the structure, the cross sections of the first forming piece and the second forming piece are in a 7 shape, and the end surfaces of the forming ends of the first forming piece and the second forming piece are both provided with inwards concave arc-shaped surfaces.
In the above structure, the arc-shaped surfaces of the forming ends of the first forming member and the second forming member are on the same plane.
In the above structure, the first and second mold members further include a positioning cross plate, and the positioning cross plate is disposed on the outer end surfaces of the first and second mold members.
In the above structure, the first and second mold members are made of an aluminum alloy material.
The beneficial effects are that: the utility model discloses a first forming part passes through detachable mode fixed connection with the second forming part, and after the shaping of dysmorphism structure, first forming part can be followed special-shaped structure with the second forming part and dismantled out, solves traditional integral type shaping tool and special-shaped structure and appear the problem of card mould or unable drawing of patterns, the utility model discloses dismantle simple swiftly, can also effectively reduce the processing degree of difficulty and manufacturing cost.
Drawings
Fig. 1 is a schematic view of a forming jig for a special-shaped structural member according to the present invention;
fig. 2 is a schematic side view of the forming jig for the special-shaped structural member of the present invention;
fig. 3 is a structural view of a first embodiment of a forming jig for a special-shaped structural member according to the present invention;
fig. 4 is a structural schematic diagram of a second embodiment of the forming jig for the special-shaped structural member of the present invention;
fig. 5 is a schematic structural view of a third embodiment of the forming jig for the special-shaped structural member of the present invention;
figure 6 is the utility model discloses the shaping tool of dysmorphism structure is equipped with the structure of location diaphragm and shows.
Reference numerals: the positioning device comprises a first molding piece 1, a second molding piece 2, a positioning transverse plate 3, a connecting end 11, a molding end 12, an arc-shaped surface 13, a clamping protrusion 21, a clamping groove 22, a first inclined surface part 31, a second inclined surface part 32, a tenon 41 and a mortise 42.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In order to solve the problems that the conventional integrated forming jig and the special-shaped structural member are easy to clamp a mold or cannot be demolded after isostatic pressing forming, and the demolding effect is poor, as shown in fig. 1 to 6, the utility model provides a forming jig for the special-shaped structural member, which is matched with a dry-pressing forming mold for use, wherein the dry-pressing forming mold mainly comprises an upper mold and a lower mold, a cavity is formed between the upper mold and the lower mold, and the lower part of the upper mold is an arc convex surface for pressing; during molding, dry powder materials are filled into a mold cavity, pressure is applied to the dry powder materials in the mold cavity through an upper mold and a lower mold, and after isostatic pressing treatment, a special-shaped structural part is formed in the mold cavity. This forming jig not only can improve the inhomogeneous (or compress the difference in ratio) problem of the unburned bricks density that special-shaped structure spare produced at the in-process dry pressing shaping in-mould, reduces to the at utmost and makes the arc face 13 of special-shaped structure spare the phenomenon of deformation that collapses because of the suppression stress is inhomogeneous, but also can directly dismantle from special-shaped structure spare after the isostatic pressing shaping. More specifically, the molding jig includes a jig body, the jig body includes a first molding member 1 and a second molding member 2, the cross-sections of the first molding member 1 and the second molding member 2 are in a shape of "7", the first molding member 1 and the second molding member 2 have substantially the same structure, and each of the first molding member 1 and the second molding member 2 includes a connecting end extending along a horizontal direction and a molding end extending along a vertical direction of the connecting end. The first profile part 1 is horizontally opposite to the second profile part 2, and the connecting end 11 of the first profile part 1 is movably or detachably connected with the connecting end of the second profile part 2.
Further, according to the movable connection or detachable connection between the first molding member 1 and the second molding member 2, the technical solution of the present embodiment mainly includes the following three cases.
In the first case, as shown in fig. 2 and 3, the first molded part 1 and the second molded part 1 in the present embodiment are connected by a snap structure. Specifically, the clamping structure comprises a clamping protrusion 21 arranged at the connecting end 11 of the first molded part 1 and a clamping groove 22 arranged at the connecting end of the second molded part 2; the shape and size of the clamping protrusion 21 are matched with the shape and size of the clamping groove 22, the first molded part 1 can be fixed in the clamping groove 22 of the second molded part 2 through the clamping protrusion 21 in an inserting manner, and the installation positions of the clamping protrusion 21 and the clamping groove 22 in the embodiment can be interchanged according to actual needs. Namely, during molding, a first molding part 1 and a second molding part 2 of the molding jig are fixedly connected into a whole through a clamping structure; treat special-shaped structure spare solidification shaping back, because first forming part 1 passes through the joint structural connection with second forming part 2, first forming part 1 and second forming part 2 of this shaping tool can be dismantled out from special-shaped structure spare to solve traditional integral type shaping tool and appear the card mould easily or can't the problem of drawing of patterns.
In the second case, as shown in fig. 4, the first profile part 1 is connected to the second profile part 2 by a butt joint. Specifically, the butt joint structure includes a first inclined plane part 31 disposed at the connection end 11 of the first forming member 1 and a second inclined plane part 32 disposed at the connection end of the second forming member 2, the first inclined plane part 31 and the second inclined plane part 32 are connected in a mutually matched manner, and the first forming member 1 can be butted with the second inclined plane part 32 of the second forming member 2 through the first inclined plane part 31. During molding, the first molding part 1 and the second molding part 2 of the molding jig are connected into a whole through the first inclined plane part 31 and the second inclined plane part 32 in a butt joint manner; after the special-shaped structural part is cured and formed, the first forming part 1 and the second forming part 2 can be detached from the special-shaped structural part.
In the third case, as shown in fig. 5, the first molding member 1 and the second molding member 2 can be connected by a mortise and tenon joint structure. Specifically, the mortise and tenon structure comprises a tenon 41 arranged at the connecting end 11 of the first molded part 1 and a mortise 42 arranged at the connecting end 22 of the second molded part 2, the shape and size of the tenon 41 are matched with the shape and size of the mortise 42, and the first molded part 1 is fixed in the mortise 42 of the second molded part 2 through the tenon 41 in an inserting manner. During molding, the first molding part 1 and the second molding part 2 are fixedly connected into a whole through the tenon 41 and the mortise 42; after the special-shaped structural part is cured and formed, the first forming part 1 and the second forming part 2 can also be detached from the special-shaped structural part. It should be noted that the connection between the first profile part 1 and the second profile part 2 may include other movable connection or detachable connection for fixed connection besides the above connection. In addition, the forming jig for the special-shaped structural part can be applied to other forming processes such as plastic forming, slurry forming and the like, and is not limited to the above.
In one embodiment, the end surfaces of the forming ends 13 of the first forming part 1 and the second forming part 21 are provided with arc-shaped surfaces 13 which are sunken inwards, and the arc-shaped surfaces 13 of the forming ends of the first forming part 1 and the second forming part 2 are horizontally arranged oppositely; during molding, the arc-shaped surfaces 13 of the molding ends of the first molding part 1 and the second molding part 2 can be matched with the arc-shaped convex surface of the molding die, which is positioned at the lower part of the upper die, so that the special-shaped structural part with the arc-shaped surface outline structure is formed after dry pressing (isostatic pressing) treatment.
In one embodiment, as shown in fig. 6, the forming jig further includes a positioning transverse plate 3 for preventing the first forming member 1 and the second forming member 2 from being displaced, and the positioning transverse plate 3 is mounted on the adjacent outer end faces of the first forming member 1 and the second forming member 2. During forming, the positioning transverse plate 3 can ensure that the relative displacement of the first forming part 1 and the second forming part 2 is kept consistent in the forming and pressing process, so that the pressure can be uniformly applied to the special-shaped structural part through the first forming part 1 and the second forming part 2.
Preferably, the conventional first and second mold members 1 and 2 are made of stainless steel material, and are easily plastically deformed under molding high pressure. The first forming part 1 and the second forming part 2 made of aluminum alloy materials can be elastically deformed well under the forming high-pressure condition, and the transmission of pressing force is facilitated.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a forming jig of dysmorphism structure which characterized in that: the jig comprises a jig body, wherein the jig body comprises a first forming piece and a second forming piece; the first forming piece and the second forming piece respectively comprise a connecting end extending along the horizontal direction and a forming end extending along the vertical direction of the connecting end, the first forming piece and the second forming piece are horizontally opposite, and the connecting end of the first forming piece is movably connected or detachably connected with the connecting end of the second forming piece.
2. The forming jig for the irregular structural member according to claim 1, characterized in that: the first forming piece and the second forming piece are connected through a clamping structure; the clamping structure comprises a clamping protrusion arranged at the connecting end of the first forming piece and a clamping groove arranged at the connecting end of the second forming piece, and the first forming piece is fixed in the clamping groove of the second forming piece through the clamping protrusion in an inserted manner.
3. The forming jig for the irregular structural member according to claim 1, characterized in that: the first molding piece and the second molding piece are connected through a butt joint structure; the butt joint structure comprises a first inclined plane part arranged at the connecting end of the first forming piece and a second inclined plane part arranged at the connecting end of the second forming piece, the first inclined plane part is connected with the second inclined plane part in a matched mode, and the first forming piece is in butt joint with the second inclined plane part of the second forming piece through the first inclined plane part.
4. The forming jig for the irregular structural member according to claim 1, characterized in that: the first forming piece and the second forming piece are connected through a mortise and tenon structure; the mortise and tenon joint structure comprises a tenon arranged at the connecting end of the first forming piece and a mortise arranged at the connecting end of the second forming piece, and the first forming piece is fixed in the mortise of the second forming piece through the tenon in an inserting manner.
5. The forming jig for the irregular structural member according to claim 1, characterized in that: the cross sections of the first forming piece and the second forming piece are 7-shaped, and the end faces of the forming ends of the first forming piece and the second forming piece are provided with inwards concave arc-shaped faces.
6. The forming jig for the special-shaped structural member according to claim 5, wherein: the arc surfaces of the forming ends of the first forming piece and the second forming piece are horizontally arranged oppositely.
7. The forming jig for the irregular structural member according to any one of claims 2 to 6, wherein: the positioning transverse plate is arranged on the outer side end faces of the first forming piece and the second forming piece.
8. The forming jig for the irregular structural member according to claim 1, characterized in that: the first and second formed members are made of an aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022258154.4U CN213733570U (en) | 2020-10-12 | 2020-10-12 | Forming jig for special-shaped structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022258154.4U CN213733570U (en) | 2020-10-12 | 2020-10-12 | Forming jig for special-shaped structural part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213733570U true CN213733570U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022258154.4U Active CN213733570U (en) | 2020-10-12 | 2020-10-12 | Forming jig for special-shaped structural part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213733570U (en) |
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- 2020-10-12 CN CN202022258154.4U patent/CN213733570U/en active Active
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