CN219583378U - General twisted strip forming die - Google Patents
General twisted strip forming die Download PDFInfo
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- CN219583378U CN219583378U CN202320215743.5U CN202320215743U CN219583378U CN 219583378 U CN219583378 U CN 219583378U CN 202320215743 U CN202320215743 U CN 202320215743U CN 219583378 U CN219583378 U CN 219583378U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model relates to the technical field of composite material twisted strip forming dies, in particular to a general twisted strip forming die which comprises an upper die, a lower die and a forming part, wherein the upper die is arranged on the upper die; the upper die is arranged on the upper end surface of the forming part; the forming part comprises a plurality of core moulds and fixing components, the plurality of core moulds are in a strip rectangular shape, at least one edge angle of the core mould along the length direction of the core mould is arranged on two sides of the upper end of the joint surface of any two adjacent core moulds, and a cavity formed between the rounded angles of the edges of any two adjacent core moulds and a horizontal plane flush with the upper end of the core mould forms a die cavity of the twisting strip forming die; before the twisted strips are manufactured, the shape of a plurality of die cavities can be arranged by rotating any two adjacent core dies according to actual demands, and two different twisted strip shapes can be produced when the same batch of twisted strips are manufactured in the mode, so that the twisted strips can be produced in batches, and the twisted strips with two different shapes can be quantitatively produced at one time according to the actual demands.
Description
Technical Field
The utility model relates to the technical field of composite material twisted strip forming dies, in particular to a general twisted strip forming die.
Background
The composite material is increasingly widely applied in the field of aviation by virtue of the molding characteristics of high strength ratio, light weight, fatigue resistance, corrosion resistance, easy integral curing and the like. Composite stringers are a common component in aircraft, and the triangular voids in the stringer must be filled with twisted strips, the quality of the twist strips being formed to significantly affect the overall structural quality of the stringer.
In the prior art, the preparation of the twisted sliver mainly comprises a manual method and a traction type automatic forming method; the product size and quality control of the twisted strips prepared by adopting a manual operation process method are unstable; the adoption of the traction type automatic forming method can lead to the complexity of the whole forming system, low flexibility, poor adaptability and high investment cost; therefore, people can also adopt a twisted strip forming die to manufacture twisted strips by means of pressing equipment, the mode not only improves the stability of the size and quality of twisted strip products, but also has simple whole production system and reduces the input cost.
However, the existing twisted sub-strip forming die is complex in connection mode and low in flexibility, is not beneficial to batch production, and meanwhile, the shape of a die cavity formed between any two adjacent core dies and a horizontal plane is fixed, so that the diversified requirements of actual production cannot be flexibly met when the twisted sub-strip is manufactured; in addition, the traditional twisted strip forming die does not have a temperature adjusting function, and the forming quality of the twisted strip can be directly affected by temperature control in the twisted strip forming process.
Disclosure of Invention
The utility model aims to provide a general twisted strip forming die which not only can realize batch production, but also can change a die cavity formed between any two adjacent core dies and a horizontal plane, and can flexibly adapt to various requirements of actual production.
In order to achieve the above purpose, the present utility model proposes the following technical scheme:
a universal twisted strip forming die, comprising; an upper die, a lower die and a forming part;
the molding part is arranged on one end face of the lower die;
defining the end face of the lower die, on which the forming part is placed, as an upper end face, wherein the end face is a horizontal plane;
the upper die is arranged on the upper end face of the forming part and at least covers the upper end face of the forming part; a temperature adjusting component is arranged in the upper die;
the forming part comprises a plurality of core molds and fixing components, wherein the core molds are in strip rectangular shapes, the core molds are arranged in parallel and can be detachably spliced into a cuboid through the fixing components, and the cuboid is arranged on the upper end face of the lower die, and one splicing face of the cuboid is attached to the upper end face of the lower die; at least one edge angle of the core mould along the length direction of the core mould is set as a round angle on two sides of the upper end of the joint surface of any two adjacent core moulds, and the radius of the two adjacent round angles is the same; and the cavity formed between any two adjacent fillets of the edges of the core mould and the horizontal plane flush with the upper end of the core mould forms a die cavity of the twisted strip forming die.
Further, the width and the height of any core mold are equal; at least two adjacent edges of the four edges of any core mold along the length direction are round angles with the same radius, and at least one edge is set as a right angle.
Further, a plurality of fixing holes are distributed in the middle of any mandrel along the length direction of the mandrel, the fixing holes are cross-shaped through holes, and the fixing holes penetrate through the mandrel along the width direction and the height direction of the mandrel at the same time; after the core dies are spliced in parallel to form a cuboid, the fixing holes of the core dies are in one-to-one correspondence, and the fixing holes corresponding to the fixing holes are horizontally communicated to form a fixing long hole for providing a fixing hole position for the fixing assembly.
Further, the fixing component comprises a plurality of screws and a plurality of nuts; the screws correspondingly pass through the fixed long holes, and at least a distance is reserved between two ends of the screws; any two nuts are respectively connected with two ends of the screw rod in a threaded mode and used for fixing a plurality of core dies after parallel splicing.
Further, the upper end face of the lower die is provided with a rough surface.
Further, the temperature adjusting component comprises an electric heating wire and a refrigerating tube; the electric heating wire is electrically connected to an external power supply, and the refrigerating tube is controlled to be connected to an external refrigerating source; the electric heating wire and the refrigeration pipe are arranged at the position close to the lower end face of the upper die.
Furthermore, the refrigerating pipes are arranged in an S shape in the upper die.
Further, the electric heating wire and the refrigerating pipe are positioned on the same horizontal plane, and the electric heating wire avoids the refrigerating pipe.
The beneficial effects are that:
according to the technical scheme, the universal twisted strip forming die is provided, before twisted strips are manufactured, any two adjacent core dies can be rotated according to actual requirements, the shapes of a plurality of die cavities are set to meet the diversified requirements of actual production, two different twisted strip shapes can be produced when the same batch of twisted strips are manufactured in the mode, not only can the twisted strips be produced in batches, but also the twisted strips with two different shapes can be quantitatively produced at one time according to the actual requirements;
when the twisting strip is pressed, an external power supply is turned on to heat an electric heating wire in the upper die, so that the temperature of the twisting strip in the pressing forming process is increased, and the forming of the twisting strip is facilitated; after the pressing of the twisted strip is finished, the power supply of the electric heating wire in the upper die is turned off, an external refrigeration source is turned on to cool the inside of the refrigeration pipe in the upper die, the temperature of the upper die is reduced, and the shape of the twisted strip after being molded is fixed.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the utility model, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the utility model.
Drawings
The drawings are not intended to be drawn to scale with respect to true references. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is an overall block diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A in accordance with an embodiment of the present utility model;
fig. 3 is a block diagram of a core mold according to an embodiment of the present utility model;
FIG. 4 is a sectional view of several split mandrels according to an embodiment of the utility model;
FIG. 5 is an enlarged view of FIG. 4 at B in accordance with an embodiment of the present utility model;
FIG. 6 is a cross-sectional view of an upper die according to an embodiment of the present utility model;
FIG. 7 is a cross-sectional view of a molded twisted sub-ribbon according to an embodiment of the present utility model;
fig. 8 is a second cross-sectional view of a molded twisted sliver according to an embodiment of the present utility model.
1. A lower die; 2. an upper die; 21. an electric heating wire; 22. a refrigeration tube; 3. a screw; 4. a nut; 5. a core mold; 6. and a fixing hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Also, unless the context clearly indicates otherwise, singular forms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "comprises," "comprising," or the like are intended to cover a feature, integer, step, operation, element, and/or component recited as being present in the element or article that "comprises" or "comprising" does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
The existing twisted strip forming die has complex connection mode and low flexibility between the core dies, is not beneficial to batch production, can simultaneously lead to the fixed shape of a die cavity formed between any two adjacent core dies and a horizontal plane, and can not flexibly meet the diversified requirements of actual production when manufacturing the twisted strip; in addition, the traditional twisted strip forming die does not have a temperature adjusting function, and the forming quality of the twisted strip can be directly affected by temperature control in the twisted strip forming process.
The general twisted strip forming die disclosed by the utility model is further specifically described below with reference to the embodiment shown in the drawings.
Referring to fig. 1, 2, 3, 4, 5, 7 and 8, a general twisted strip forming mold comprises; an upper die 2, a lower die 1 and a forming part; the molding part is arranged on one end face of the lower die 1;
defining the end surface of the lower die 1 where the forming part is placed as an upper end surface, wherein the end surface is a horizontal surface; the upper die 2 is arranged on the upper end surface of the forming part, and the upper die 2 at least covers the upper end surface of the forming part; a temperature adjusting component is arranged in the upper die 2; the forming part comprises a plurality of core dies 5 and fixing components, the plurality of core dies 5 are in a strip rectangular shape, the plurality of core dies 5 are arranged in parallel and can be detachably spliced into a cuboid through the fixing components, the cuboid is arranged on the upper end face of the lower die 1, and one splicing face of the cuboid is attached to the upper end face of the lower die 1; the upper end surface of the lower die 1 is set to be a rough surface; friction between the forming part and the lower die 1 can be increased, sliding of the forming part in the forming process of the twisted strip is reduced, and forming of the twisted strip is facilitated; as a preferable scheme, a cuboid adaptive groove spliced with a plurality of core dies 5 is formed in the upper end face of the lower die 1 so as to limit and fix a forming part arranged on the upper end face of the lower die 1, and the position of the forming part of the twisted strip is more stable in the forming process; at least one corner angle of the core mold 5 along the length direction of the core mold 5 is set as a round angle on two sides of the upper end of the joint surface of any two adjacent core molds 5, and the radius of the two adjacent round angles is the same; the round angle of the edges of any two adjacent core dies 5 and the cavity formed between the round angle and the horizontal plane flush with the upper end of the core die 5 form the cavity of the twisted strip forming die;
the width and the height of any mandrel 5 are equal; at least two adjacent edges of the four edges of any mandrel 5 along the length direction are round angles with the same radius, and at least one edge is set as a right angle; a plurality of fixing holes 6 are distributed in the middle of any mandrel 5 along the length direction, the fixing holes 6 are cross-shaped through holes, and the fixing holes 6 penetrate through the mandrel 5 along the width direction and the height direction of the mandrel 5; after the plurality of core dies 5 are spliced into a cuboid in parallel, the positions of the fixing holes 6 of the plurality of core dies 5 are in one-to-one correspondence, and the plurality of fixing holes 6 corresponding to the positions are horizontally communicated into a fixing long hole for providing a fixing hole position for the fixing assembly.
Before the twisted strip is manufactured, any two adjacent core dies 5 can be rotated according to actual requirements, and when edges of the two adjacent core dies 5 are round angles with the same radius, the vertical section of the twisted strip formed in the die cavity is shown as figure 7; when the edges of two adjacent core dies 5 are provided with round angles and are right angles, the vertical section of the twisted strip formed in the die cavity is shown in figure 8; the shape of a plurality of die cavities is set to meet the diversified demands of actual production, and two different shapes of twisted strips can be produced when the same batch of twisted strips are manufactured in the mode, so that not only can the twisted strips be produced in batches, but also the two twisted strips with different shapes can be quantitatively produced at one time according to the actual demands; after a plurality of die cavities are formed by rotating a plurality of core dies 5, the plurality of core dies 5 are spliced in parallel to form a cuboid, and as a plurality of fixing holes 6 are arranged as cross-shaped through holes, the plurality of fixing holes 6 corresponding to positions are not influenced and horizontally communicated to form a fixing long hole; the fixing component comprises a plurality of screws 3 and a plurality of nuts 4; correspondingly penetrating a plurality of screws 3 through a plurality of fixed long holes, and keeping at least a distance between two ends of the screws 3; any two nuts 4 are respectively connected with two ends of the screw rod 3 in a threaded manner and are used for fixing a plurality of core dies 5 after being spliced in parallel; it should be noted that, in order to manufacture twisted tapes of different sizes, only a plurality of core dies 5 need to be replaced at the same time.
When the twisted sliver is manufactured, a plurality of core dies 5 are arranged on the upper end face of the lower die 1 and are in a locking and fixing state, twisted filaments are filled in a die cavity between the core dies 5, the upper die 2 is arranged on the upper ends of the plurality of core dies 5, and the whole die is arranged on a press for pressing and forming the twisted sliver.
As shown in connection with fig. 1 and 6, the tempering assembly comprises an electric heating wire 21 and a cooling tube 22; the electric heating wire 21 is electrically connected to an external power supply, and the refrigerating tube 22 is controlled to be connected to an external refrigerating source; when the twisted strip is pressed, an external power supply is turned on to heat the electric heating wire 21 in the upper die 2, so that the temperature of the twisted strip in the pressing forming process is increased, and the forming of the twisted strip is facilitated; after the pressing of the twisted strip is finished, the power supply of the electric heating wire 21 in the upper die 2 is closed, an external refrigeration source is opened to lead cold air into the refrigeration pipe 22 in the upper die 2, the temperature of the upper die 2 is reduced, and the fixation of the shape of the twisted strip after being molded is facilitated; the electric heating wire 21 and the refrigeration tube 22 are arranged at the position close to the lower end face of the upper die 2; the refrigerating pipes 22 are arranged in an S shape in the upper die 2; the electric heating wire 21 and the refrigerating tube 22 are positioned on the same horizontal plane, and the electric heating wire 21 avoids the refrigerating tube 22; by adopting the design, the upper die 2 can be heated and cooled more uniformly, the temperature near a plurality of die cavities can be better controlled, and the manufacturing process of the twisted strip is optimized.
The universal twisted strip forming die disclosed by the embodiment of the utility model can set the shape of a die cavity formed between any two adjacent core dies 5 according to actual demands, batch-produce different numbers of twisted strips with different shapes according to actual demands, and the internal temperature of the upper die can be controlled, so that the forming quality of the twisted strips is improved in the process of manufacturing the twisted strips.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (8)
1. A universal twisted strip forming die, comprising; an upper die (2), a lower die (1) and a forming part;
the forming part is arranged on one end face of the lower die (1);
defining the end face of the lower die (1) for placing the forming part as an upper end face, wherein the end face is a horizontal plane;
the upper die (2) is arranged on the upper end face of the forming part, and the upper die (2) at least covers the upper end face of the forming part; a temperature adjusting component is arranged in the upper die (2);
the forming part comprises a plurality of core moulds (5) and fixing components, wherein the core moulds (5) are in strip rectangular shapes, the core moulds (5) are arranged in parallel and can be detachably spliced into a cuboid through the fixing components, and the cuboid is arranged on the upper end face of the lower die (1) and one of the splicing faces of the cuboid is attached to the upper end face of the lower die (1); at least one edge angle of the core mould (5) along the length direction of the core mould is set as a round angle on two sides of the upper end of the joint surface of any two adjacent core moulds (5), and the radius of the two adjacent round angles is the same; and the round angle of the edges of any two adjacent core dies (5) and the cavity formed between the round angle and the horizontal plane flush with the upper end of the core die (5) form a die cavity of the twisted strip forming die.
2. A universal twisted strip forming die according to claim 1, characterized in that the width and height of any one of said core dies (5) are equal; at least two adjacent edges of the four edges of any mandrel (5) along the length direction are round angles with the same radius, and at least one edge is a right angle.
3. The universal twisted strip forming die according to claim 2, wherein a plurality of fixing holes (6) are distributed in the middle of any mandrel (5) along the length direction of the mandrel, the fixing holes (6) are cross-shaped through holes, and the fixing holes (6) penetrate through the mandrel (5) along the width direction and the height direction of the mandrel (5) at the same time; after the core dies (5) are spliced in parallel to form a cuboid, the positions of the fixing holes (6) of the core dies (5) are in one-to-one correspondence, and the fixing holes (6) corresponding to the positions are horizontally communicated to form a fixing long hole for providing a fixing hole position for the fixing assembly.
4. A universal twisted strip forming die according to claim 3, characterized in that the fixing assembly comprises a plurality of screws (3) and a plurality of nuts (4); the screws (3) correspondingly penetrate through the fixed long holes, and at least one distance is reserved between two ends of the screws (3); any two nuts (4) are respectively connected with two ends of the screw rod (3) in a threaded mode and are used for fixing a plurality of core dies (5) after being spliced in parallel.
5. A universal twisted strip forming die according to claim 1, characterized in that the upper end surface of the lower die (1) is provided as a roughened surface.
6. A universal twisted strip forming die according to claim 1, characterized in that the temperature regulating assembly comprises an electric heating wire (21) and a refrigerating tube (22); the electric heating wire (21) is electrically connected to an external power supply, and the refrigerating tube (22) is controlled to be connected to an external refrigerating source; the electric heating wire (21) and the refrigerating tube (22) are arranged at positions close to the lower end face of the upper die (2).
7. A universal twisted strip forming die according to claim 6, characterized in that the cooling tubes (22) are arranged in an "S" shape inside the upper die (2).
8. A universal twisted strip forming die according to claim 6, characterized in that the electric heating wire (21) and the refrigerating tube (22) are positioned on the same horizontal plane, and the electric heating wire (21) avoids the refrigerating tube (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320215743.5U CN219583378U (en) | 2023-02-15 | 2023-02-15 | General twisted strip forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320215743.5U CN219583378U (en) | 2023-02-15 | 2023-02-15 | General twisted strip forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219583378U true CN219583378U (en) | 2023-08-25 |
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ID=87666549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320215743.5U Active CN219583378U (en) | 2023-02-15 | 2023-02-15 | General twisted strip forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219583378U (en) |
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2023
- 2023-02-15 CN CN202320215743.5U patent/CN219583378U/en active Active
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