CN219378698U - High-strength supporting piece die - Google Patents
High-strength supporting piece die Download PDFInfo
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- CN219378698U CN219378698U CN202320791863.XU CN202320791863U CN219378698U CN 219378698 U CN219378698 U CN 219378698U CN 202320791863 U CN202320791863 U CN 202320791863U CN 219378698 U CN219378698 U CN 219378698U
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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 provides a high strength support die comprising: a lower heating plate is arranged at the top of the base; the lower die body is arranged at the top of the lower heating plate, a die cavity is formed at the top of the lower die body, the inner bottom of the die cavity is in a right-angle triangular bulge shape to form a plurality of pressing parts, and a plurality of grooves are formed in the upper end face of each pressing part; the pressing plate is arranged above the lower die body, an upper die core matched with the die cavity is arranged at the bottom of the pressing plate, the bottom surface of the upper die core is provided with a plurality of pressing surfaces matched with the pressing parts, when the pressing plate is pressed to the top of the lower die body, the upper die core is inserted into the die cavity, a plurality of pressing cavities are formed between the pressing surfaces and the die grooves, and the pressing cavities are arranged into L-shaped cavities with downward opening sides. The high-strength support piece die provided by the utility model can avoid asynchronous wall thickness shrinkage at two sides of the support piece, reduce the deformation of the support piece and improve the bearing capacity of the support piece.
Description
Technical Field
The utility model relates to the field of support piece molds, in particular to a high-strength support piece mold.
Background
The support piece is mainly applied to the inside of various electric cabinets, and the shape of the support piece is L-shaped, and under the working condition, two L-shaped angles are locked back to back together (as shown in figure 1) and are used for supporting cables and the like. With the development of the application market of the supporting piece, the strength requirement on the supporting piece in the large-specification electric cabinet is also higher and higher. For example, in a wind power cabinet, cables exceeding 200kg need to be supported, and because of the internal space and cost reasons, large-sized supports are not allowed.
The existing mould for producing the supporting piece by mould pressing is provided with a cavity, the side wall and the cavity bottom of the cavity are provided with L-shaped grooves with opening sides facing the center of the cavity (as shown in figures 2-3), and a plurality of L-shaped vertically arranged press-fit cavities are formed between the square upper mould core and the grooves after being pressed down, so that a plurality of supporting pieces can be formed by mould pressing.
However, the edge of the existing die cannot be provided with heating holes due to the interference of the guide posts, so that the temperature of the edge is low, the temperature difference between the edge and the center of the die cavity reaches about 10 ℃, one side of each L-shaped pressing cavity is close to a low-temperature area, the other side of each L-shaped pressing cavity is close to a high-temperature area at the center of the die cavity, the wall thickness shrinkage of two sides of the supporting piece is asynchronous, the deformation is large, the measured angle of the right angle of the L angle is only 89.1-89.7 degrees, and the supporting piece has the following defects under working conditions: the small angle causes a gap between the support and the fixed iron block, the inside of the support is stressed after locking, the bearing is provided with a lever, and the actual stress of the support is far greater than the supporting weight. It can be seen that the support produced by the existing die pressing can not meet the strength requirement of the large-specification electric cabinet on the support.
It is an object of the present utility model to design a high strength support mold capable of reducing the deformation amount of the support against the above-mentioned problems of the prior art.
Disclosure of Invention
The utility model provides a high-strength support piece die which can effectively solve the problems in the prior art.
The technical scheme of the utility model is as follows:
a high strength support mold comprising:
a lower heating plate is arranged at the top of the base;
the lower die body is arranged at the top of the lower heating plate, a die cavity is formed at the top of the lower die body, the inner bottom of the die cavity is in a right-angle triangular bulge shape to form a plurality of pressing parts, and a plurality of grooves are formed in the upper end face of each pressing part;
the pressing plate is arranged above the lower die body, an upper die core matched with the die cavity is arranged at the bottom of the pressing plate, the bottom surface of the upper die core is provided with a plurality of pressing surfaces matched with the pressing parts, when the pressing plate is pressed to the top of the lower die body, the upper die core is inserted into the die cavity, a plurality of pressing cavities are formed between the pressing surfaces and the die grooves, and the pressing cavities are arranged into L-shaped cavities with downward opening sides.
Further, a beam groove communicated to the bottom of the cavity is formed in the middle of the groove bottom of the mold groove.
Further, the width of the beam groove is set to 8-12mm.
Further, a plurality of first through holes communicated to the bottom of the lower die body are formed in the bottom of the beam groove, a plurality of second through holes corresponding to the first through holes are formed in the lower heating plate, the second through holes vertically penetrate through the lower heating plate, a thimble assembly capable of moving up and down is arranged between the lower heating plate and the base, and the thimble assembly can be jacked into the cavity through a plurality of first through holes and second through holes.
Further, the thimble assembly includes the roof, locates limiting plate and a plurality of thimble on the roof, a plurality of spacing holes have been seted up on the limiting plate, a plurality of thimbles can follow down respectively upwards insert in the spacing hole, and a plurality of the upper end of thimble stretches out respectively with a plurality of second through-hole is corresponding, the roof is to a plurality of thimble top setting.
Further, the base includes the bottom plate and locates a plurality of backup pads at bottom plate top, the thimble subassembly is located a plurality of between the backup pad, just the top surface of limiting plate with the bottom surface interval setting of lower hot plate, the drive hole has been seted up on the bottom plate, the thimble subassembly accessible drive hole connects power device.
Further, an upper heating plate is arranged at the top of the pressing plate, a plurality of heating holes are formed in the upper heating plate and the lower heating plate, and the heating holes transversely penetrate through the upper heating plate and the lower heating plate respectively.
Accordingly, the present utility model provides the following effects and/or advantages:
according to the high-strength support piece die provided by the utility model, the inner bottom of the die cavity is provided with the plurality of right-angle triangular protruding pressing parts, the upper end face of each pressing part is provided with the plurality of grooves, the bottom face of the upper die core is provided with the pressing surface matched with the plurality of pressing parts, when the pressing plate is pressed to the top of the lower die body, the upper die core is inserted into the die cavity, a plurality of pressing cavities are formed between the pressing surface and the grooves, and the pressing cavities are in an L shape with downward opening sides. Through the setting of above-mentioned structure, make the pressfitting chamber improve to open side decurrent horizontal setting by the vertical setting in the current mould, can make the both sides of L type pressfitting chamber all be close to die cavity center high temperature region, thereby after heating compression molding, avoid support piece both sides wall thickness shrink unsynchronized, reduce support piece's deflection, thereby improve support piece L angle rectangular accuracy, avoid support piece to have the gap between the fixed iron plate of during operation and electric cabinet, reduce the internal stress after the support piece locking, prevent that support piece bearing from having leverage, lead to support piece's actual atress far more than supporting weight, thereby improve support piece's bearing capacity, improve support piece's bulk strength.
It is to be understood that both the foregoing general description and the following detailed description of the present utility model are exemplary and explanatory and are intended to provide further explanation of the utility model as claimed.
Drawings
FIG. 1 is a schematic view of a mounting structure of a conventional support under working conditions.
Fig. 2 is a schematic diagram of an exploded structure of a conventional support mold.
Fig. 3 is a schematic perspective view of another view of fig. 2
Fig. 4 is a schematic diagram of an explosion structure of a high-strength support mold according to the present utility model.
FIG. 5 is a schematic view of the platen of FIG. 4 pressed against the top of the lower mold body.
Fig. 6 is a schematic perspective view of a lower mold body according to the present utility model.
Fig. 7 is a schematic view showing a bottom view of a pressing plate and an upper mold core provided by the utility model.
Fig. 8 is a schematic perspective view of a support member according to the present utility model.
Detailed Description
For the convenience of understanding by those skilled in the art, the structure of the present utility model will now be described in further detail with reference to the accompanying drawings:
referring to fig. 1-8, a high strength support member mold for heat molding a support member 9, both ends of the support member 9 extending in an L-shape to form a support wall 91, comprising:
a base 1, the top of which is provided with a lower heating plate 2; in this embodiment, the mold temperature is set to 140-170 ℃;
the lower die body 3 is arranged at the top of the lower heating plate 2, a die cavity 31 is formed at the top of the lower die body 3, the inner bottom of the die cavity 31 is in a right-angle triangular bulge shape to form a plurality of pressing parts 32, and a plurality of grooves 321 are formed in the upper end face of the pressing parts 32;
the clamp plate 4 is located the top of lower die body 3, clamp plate 4 accessible current press drive pushes down, the bottom of clamp plate 4 be equipped with the last mold core 41 of die cavity 31 looks adaptation, the bottom surface of going up mold core 41 set up with a plurality of the pressfitting face 411 of pressfitting portion 32 looks adaptation, clamp plate 4 press set up to when the top of lower die body 3, go up mold core 41 insert to in the die cavity 31, just form a plurality of pressfitting chambeies 5 between pressfitting face 411 and the type groove 321, pressfitting chambeies 5 set up with the L type of opening side down of supporting wall 91 looks adaptation. So that the support wall 91 is located at the central high temperature zone. Reducing the maximum temperature difference in the cavity 31 to within 5 ℃, reducing the deformation of the support 9, and reducing the gap between the support 9 and the fixed iron block during assembly.
Through the setting of above-mentioned structure, make pressfitting chamber 5 improve to open side horizontal setting down by the vertical setting in the current mould, can make the both sides of L type pressfitting chamber 5 all be close to die cavity 31 center high temperature region, thereby after heating compression molding, avoid the wall thickness shrink of support wall 91 in support piece 9 both sides to be asynchronous, reduce the deflection of support piece 9, thereby improve the right angle accuracy of L angle of support piece 9, and then avoid support piece 9 to have the gap between the fixed iron plate of during operation and electric cabinet, reduce the internal stress after support piece 9 locks, prevent that support piece 9 bearing has leverage, lead to support piece 9's actual atress to be greater than supporting weight far away, thereby improve support piece 9's bearing capacity, improve support piece 9's bulk strength.
In order to further reduce the stress of the compression molded support 9 after locking under the working condition and improve the bearing capacity, a beam groove 322 communicated to the bottom of the cavity 31 is formed in the middle of the groove bottom of the groove 321. Thus, after compression molding, the supporting beams 92 are formed between the supporting walls 91 on both sides of the supporting member 9, so that the bearing capacity of the supporting member 9 is further improved, and meanwhile, the shrinkage degree of the supporting walls 91 on both sides of the supporting member 9 is reduced and the deformation is reduced through the arrangement of the supporting beams 92.
Specifically, in this embodiment, the width of the beam groove 322 is set to 8-12mm, and in combination with the actual assembly, in order to avoid interference when the support member 9 is assembled, it is preferable that the width of the beam groove 322 is set to 10mm, so that the formed support beam 92 has a thickness of approximately 10mm, and in other embodiments, the width of the beam groove 322 can be adaptively adjusted according to the specific situation.
For facilitating the demoulding of the supporting piece 9 formed by compression molding, a plurality of first through holes 323 communicated to the bottom of the lower die body 3 are formed in the bottom of the beam groove 322, a plurality of second through holes 21 corresponding to the first through holes 323 are formed in the lower heating plate 2, the second through holes 21 vertically penetrate through the lower heating plate 2, a thimble assembly 6 capable of moving up and down is arranged between the lower heating plate 2 and the base 1, and the thimble assembly 6 can be jacked into the cavity 31 through a plurality of first through holes 323 and the second through holes 21 to enable the supporting piece 9 to be ejected and demoulded.
Specifically, the ejector pin assembly 6 includes a top plate 61, a limiting plate 62 disposed on the top plate 61, and a plurality of ejector pins (not shown in the figure), wherein a plurality of limiting holes 621 are formed in the limiting plate 62, the plurality of ejector pins can be respectively inserted into the limiting holes 621 from bottom to top, and the upper ends of the plurality of ejector pins extend out to correspond to the plurality of second through holes 21 respectively, the top plate 61 is configured to push up the plurality of ejector pins, the limiting holes 621 are in a T-shaped structure, the radius of the upper end is smaller than that of the lower end, and the lower ends of the ejector pins are adapted to the limiting holes 621, so that the ejector pins can be positioned in the limiting holes 621 in a limiting manner.
Specifically, the base 1 includes a bottom plate 11 and a plurality of support plates 12 disposed at the top of the bottom plate 11, the ejector pin assembly 6 is disposed between a plurality of support plates 12, and the top surface of the limiting plate 62 is disposed at intervals with the bottom surface of the lower heating plate 2, so that the ejector pin assembly 6 has a certain vertical movement space, a driving hole 111 is formed in the bottom plate 11, the ejector pin assembly 6 can be connected with a power device through the driving hole 111, and the power device can be an existing driving motor, a driving electric cylinder or the like, which is not specifically limited herein.
In order to make the die cavity 31 heated evenly, the top of clamp plate 4 is equipped with upper heating plate 7, all be equipped with a plurality of heating holes 8 on upper heating plate 7 and the lower heating plate 2, a plurality of heating holes 8 transversely run through respectively upper heating plate 7 and lower heating plate 2 to insert the electric heating rod in through heating hole 8 after, together heat die cavity 31 through upper heating plate 7 and lower heating plate 2. The heating holes 8 and the second through holes 21 on the lower heating plate 2 do not interfere with each other.
In the embodiment, the raw materials are set as bulk molding compound, flexible resin, low oil absorption filler resin paste and long fiber, wherein the raw materials are 6 kg/part, 2.5 kg/part, and the support piece 9 is formed by pressing after the raw materials are filled into a mold and heated, and the bulk molding compound has the characteristics of light weight, high strength, high temperature resistance, high corrosion resistance, excellent insulativity and the like; the flexibility of the supporting piece 9 can be greatly improved by the flexible resin, so that the impact strength and vibration test of the supporting piece 9 meet the requirements; the use of a filler with a low oil absorption, together with the addition of 2.5 kg/part of long fibres, makes it possible to achieve a satisfactory flexural strength of the support 9.
The best process conditions for this example are as follows:
| heating temperature/DEGC of upper heating plate | Lower heating plate heating temperature/DEGC | pressure/Mpa of press |
| 160 | 150 | 14 |
| Number of times/times of exhaustion | Height of exhaust gas/mm | Exhaust pressure/Mpa |
| 2 | 0.2 | 1 |
| Pressing time/s | ||
| 460 |
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A high strength support mold, comprising:
a base (1), the top of which is provided with a lower heating plate (2);
the lower die body (3) is arranged at the top of the lower heating plate (2), a die cavity (31) is formed at the top of the lower die body (3), a plurality of pressing parts (32) are formed by right-angle triangular protrusions at the inner bottom of the die cavity (31), and a plurality of grooves (321) are formed in the upper end face of each pressing part (32);
the clamp plate (4) is located the top of lower die body (3), the bottom of clamp plate (4) be equipped with last mold core (41) of die cavity (31) looks adaptation, the bottom surface of going up mold core (41) is established to with a plurality of pressfitting portion (32) looks adaptation pressfitting face (411), clamp plate (4) press set up to when the top of lower die body (3), go up mold core (41) insert establish to in die cavity (31), just form a plurality of pressfitting chambeies (5) between pressfitting face (411) and type groove (321), pressfitting chambeies (5) are established to the L type of opening side downwardly.
2. A high strength support die according to claim 1, wherein a beam groove (322) communicating with the cavity bottom of the cavity (31) is provided in the middle of the groove bottom of the shaped groove (321).
3. A high strength support die according to claim 2, wherein the width of the beam groove (322) is set to 8-12mm.
4. A high-strength supporting piece die as claimed in claim 2, wherein a plurality of first through holes (323) communicated to the bottom of the lower die body (3) are formed in the bottom of the beam groove (322), a plurality of second through holes (21) corresponding to the first through holes (323) are formed in the lower heating plate (2), the second through holes (21) vertically penetrate through the lower heating plate (2), an ejector pin assembly (6) capable of moving up and down is arranged between the lower heating plate (2) and the base (1), and the ejector pin assembly (6) can be ejected into the die cavity (31) through the plurality of first through holes (323) and the second through holes (21).
5. The high-strength supporting piece die as claimed in claim 4, wherein the thimble assembly (6) comprises a top plate (61), a limiting plate (62) arranged on the top plate (61) and a plurality of thimbles, a plurality of limiting holes (621) are formed in the limiting plate (62), the thimbles can be respectively inserted into the limiting holes (621) from bottom to top, the upper ends of the thimbles extend out to correspond to the second through holes (21), and the top plate (61) is arranged for jacking the thimbles.
6. The high-strength support piece die as claimed in claim 5, wherein the base (1) comprises a bottom plate (11) and a plurality of support plates (12) arranged at the top of the bottom plate (11), the thimble assembly (6) is arranged among the plurality of support plates (12), the top surface of the limiting plate (62) and the bottom surface of the lower heating plate (2) are arranged at intervals, a driving hole (111) is formed in the bottom plate (11), and the thimble assembly (6) can be connected with a power device through the driving hole (111).
7. A high strength support mould according to claim 1, characterized in that the top of the press plate (4) is provided with an upper heating plate (7), the upper heating plate (7) and the lower heating plate (2) are provided with a plurality of heating holes (8), and the heating holes (8) respectively penetrate the upper heating plate (7) and the lower heating plate (2) transversely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320791863.XU CN219378698U (en) | 2023-04-11 | 2023-04-11 | High-strength supporting piece die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320791863.XU CN219378698U (en) | 2023-04-11 | 2023-04-11 | High-strength supporting piece die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219378698U true CN219378698U (en) | 2023-07-21 |
Family
ID=87187140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320791863.XU Active CN219378698U (en) | 2023-04-11 | 2023-04-11 | High-strength supporting piece die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219378698U (en) |
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2023
- 2023-04-11 CN CN202320791863.XU patent/CN219378698U/en active Active
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