CN218749433U - Aluminium system mould is used in shaping of fiber reinforced resin base - Google Patents

Abstract

The utility model discloses an aluminum mould for forming a fiber reinforced resin matrix; the die opening force application point is arranged on a die assembly line of a female die and a male die made of aluminum materials, and a cushion block is fixed at the die opening force application point and used for prying and applying force from the outside, so that the die opening is facilitated; an adjusting groove is formed in the female die or the male die, and a gasket and a pressing plate are arranged in the adjusting groove, so that the gap between the female die and the male die can be adjusted at any time, and the thickness of a sample piece is adjusted; the outer wall of the female die or the male die is provided with a negative pressure hole, and the negative pressure hole extends to the cavity negative pressure hole through a negative pressure channel, so that bubbles in the material can be pumped out to form negative pressure in the vulcanization molding process, and unqualified sample pieces caused by the bubbles remaining in the product are avoided; and a rubber ring is arranged between the female die and the male die, and the sealing after die assembly between the female die and the male die is realized through the rubber ring. The improved mould has obvious use effect, effectively overcomes various defects in the prior art, and is an ideal aluminum mould for forming the fiber reinforced resin matrix.

Description

Aluminium system mould is used in shaping of fiber reinforced resin base

Technical Field

The utility model relates to a forming die technical field especially relates to an aluminium system mould structure is used in shaping of fiber reinforced resin base.

Background

The prepreg compression molding technology is relatively mature in the prior art, and when a product sample is manufactured, a sample mold is generally designed in advance, so that sample molding is realized through the sample mold.

Because the sample mold will not be used as a mass production mold, the cost is strictly controlled in the sample development and molding process. Because the heat transfer coefficient of aluminum is far greater than that of steel, the equipment cost can be effectively reduced in the sample piece manufacturing, so that the aluminum mold is mostly adopted in the existing sample piece mold, but the following problems exist in the use process of the aluminum sample piece mold: 1. because the sample mold involves manual mold closing, mold opening and demolding processes when in use, the four corners of the mold are guided by cylindrical guide posts mostly when in mold closing, and the method usually affects the mold closing time and the molding efficiency of a sample piece because the clearance is too small; 2. in the mold opening process, a common method is to pry the mold by adopting a lever principle, but the hardness of aluminum is low, so that the mold opening position of the mold is damaged and difficult to open the mold after dozens of products are produced; 3. when the sample piece is formed, the gas is wrapped in the cavity, so that the bubble phenomenon exists on the surface of the product; 4. the periphery of the die opening surface of the male die has product appearance defects caused by excessive glue overflow, and resin accumulated on the outer surface of the die and a heating plate of a molding press is difficult to clean due to excessive glue overflow; 5. the problem that the thickness of a product cannot be adjusted due to the processing deviation of a product cavity and the adjustment of the thickness of the product by a customer is solved, and the waste of a mold is caused.

Based on the above-mentioned various problems in the prior art, as a sample mold development unit, it is necessary to improve the prior art to solve various technical problems encountered in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aluminium system mould is used in shaping of fibre reinforced resin base, it improves the structure to terrace die and die through design die and terrace die cooperation to this drawback on overcoming prior art.

The scheme of the utility model is as follows: an aluminum mould for forming a fiber reinforced resin matrix comprises a female mould and a male mould which are made of aluminum materials, wherein the female mould and the male mould are provided with a mould opening force application point on a mould closing line, and a cushion block is fixed at the mould opening force application point; an adjusting groove is formed in the female die or the male die, and a gasket and a pressing plate are arranged in the adjusting groove; and the outer wall of the female die or the male die is provided with a negative pressure hole, and the negative pressure hole extends to the cavity negative pressure hole through a negative pressure channel.

The male die is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

Concave-convex positioning devices are arranged at the edges of the female die and the male die, and die assembly positioning is realized through concave-convex matching.

The negative pressure hole is designed as a counter bore, a sieve plate is arranged in the counter bore, and the sieve plate prevents the negative pressure hole from being blocked by materials during molding.

The periphery of the inner cavity surface of the convex mold is provided with a blocking convex table, and the outer part of the blocking convex table is provided with a glue overflow groove.

The blocking boss is provided with a plurality of overflow notches.

The beneficial effects of the utility model are that: through the structure arrangement, the utility model is provided with the die sinking force application point on the die assembly line of the female die and the male die made of aluminum materials, and the pad block is fixed at the die sinking force application point for external prying force application, thereby facilitating die sinking; an adjusting groove is formed in the female die or the male die, and a gasket and a pressing plate are arranged in the adjusting groove, so that the gap between the female die and the male die can be adjusted at any time, and the thickness of a sample piece is adjusted; the outer wall of the female die or the male die is provided with a negative pressure hole, and the negative pressure hole extends to the cavity negative pressure hole through a negative pressure channel, so that bubbles in the material can be pumped out to form negative pressure in the vulcanization molding process, and the problem that the sample is unqualified due to the bubbles remaining in the product is avoided; a rubber ring is arranged between the female die and the male die, and the sealing after die assembly between the female die and the male die is realized through the rubber ring; the improved die has obvious use effect, effectively overcomes various defects in the prior art, and is an ideal aluminum die for forming the fiber reinforced resin matrix.

Drawings

FIG. 1 is a schematic view of the overall split structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the top surface of the male die of the present invention;

FIG. 3 is a schematic view of the bottom surface of the female die of the present invention;

FIG. 4 is a schematic view of the bottom surface of the female mold according to the present invention;

FIG. 5 is an enlarged view of the area A in FIG. 1;

in the figure, 1, a female die, 11, a concave hole, 12, a negative pressure hole, 13, a top force application groove, 14, a negative pressure channel, 2, a male die, 21, a convex part, 22, a bottom force application groove, 23, a sealing groove, 24, a glue overflow groove, 25, a blocking boss, 26, an overflow groove, 3, an adjusting groove, 31, a gasket, 32, a pressing plate, 4, a hard alloy cushion block, 5, a sieve plate, 51, a sieve hole, 6 and a sealing rubber ring.

Detailed Description

The following description of the embodiments of the present invention is provided by way of specific examples.

As shown in figure 1, a shaping of fibre reinforced resin base is with aluminium system mould, it includes the die 1 and the terrace die 2 of aluminium material, die 1 and terrace die 2 be provided with top force application groove 13 and bottom force application groove 22 respectively in the four corners department of joint line, at top force application groove 13 and bottom force application groove 22 internal fixation carbide cushion 4 as die sinking application of force point, when die sinking after die 1 and terrace die 2 merge, pry the separation with die 1 and terrace die 2 through outside crow bar application of force carbide cushion 4, die 1 and the terrace die 2 atress that design carbide cushion 4 can avoid the aluminium material are damaged.

The punch 2 on the equipartition be provided with a plurality of adjustment tank 3, be provided with gasket 31 and clamp plate 32 in the adjustment tank 3, realize the fixed of gasket 31 through clamp plate 32 locking in adjustment tank 3, the adjustment in this kind of structure setting can realize die 1 and 2 clearances of punch, when the sample development, if carry out the product thickness and change, need not the die sinking again, realize the adjustment to die 1 and 2 clearances of punch through the quantity of adjustment gasket 31. The mold opening cost is reduced, and the use efficiency of the sample piece mold is improved.

The mold is provided with a negative pressure hole 12 on the outer wall of the female mold, as shown in fig. 4, the negative pressure hole 12 extends to the cavity negative pressure hole through a negative pressure channel 14, and by the structure, negative pressure suction can be performed on the inner part of the cavity of the mold in the vulcanization molding process, so that bubbles in a sample product are prevented. In order to ensure the stability during negative pressure suction, when the above negative pressure function is realized, the periphery sealing after the die assembly of the female die 1 and the male die 2 is realized through a sealing device, so a sealing groove 23 is arranged at the edge of a cavity of the male die 2 of the die, and a sealing ring 6 is arranged in the sealing groove to realize the sealing after the die assembly.

On the basis of the structure, furthermore, when the negative pressure channel extends into the cavity, the negative pressure hole is specially designed to be a counter bore, the inside of the counter bore is provided with a sieve plate 5, the sieve plate 5 is provided with a plurality of sieve pores 51, and the fluid material is prevented from blocking the negative pressure hole 51 during molding through the sieve plate 5. When cleaning, the sieve holes 51 may be cleaned directly after the sieve plates 5 are removed.

As shown in fig. 5, the periphery of the inner cavity surface of the male die 2 of the mold is provided with a circle of blocking boss 25, the outside of the blocking boss 25 is provided with an overflow groove 24, the blocking boss 25 is provided with a plurality of overflow notches 26, the through-out of the inside and the outside of the blocking boss 25 is realized through the overflow notches 26, when the molding extrusion is performed, the material inside the cavity can flow out to the overflow groove 24 at the overflow notches 26, so that the periphery of the molded product is clean and tidy, and the surface is smooth and flat. The function of the overflow notch 26 is also that when the sample product is separated from the mold after solidification, an external force is needed to pry the product, and a person skilled in the art can pry the sample product to separate the sample product by using the overflow notch 26 as an adjusting force application point. Further, when the overflow notch 26 is used as a prying point, in order to further improve the stress strength of the overflow notch 26, a hard alloy sheet can be attached to or embedded in the overflow notch, so that the overflow notch is prevented from being damaged after being pried for many times.

This mould is provided with shrinkage pool 11 on the side of die 1, rather than corresponding, and it is provided with bellying 21 on the side of terrace die 2, shrinkage pool 11 and bellying 21 form unsmooth cooperation, when die 1 and terrace die 2 merge, realize the compound die location through shrinkage pool 11 and the unsmooth cooperation of bellying 21, prevent the dislocation of mould compound die, can realize the compound die fast simultaneously, improve compound die efficiency.

In conclusion, the utility model is provided with the die sinking force application point on the die assembly line of the female die 1 and the male die 2 made of aluminum materials, and the hard alloy cushion block 4 is fixed at the die sinking force application point for prying force application from the outside, thereby facilitating die sinking and preventing the die from being damaged; an adjusting groove is formed in the female die 1 or the male die 2, and a gasket 31 and a pressing plate are arranged in the adjusting groove, so that the gap between the female die and the male die can be adjusted at any time, and the thickness of a sample piece is adjusted; the outer wall of the female die 1 is provided with a negative pressure hole 12, the negative pressure hole 12 extends to the cavity negative pressure hole through a negative pressure channel 14, bubbles in materials can be pumped out in the vulcanization forming process, negative pressure is formed in the materials, and the problem that the sample is unqualified due to the bubbles left in the sample product is avoided; and a sealing rubber ring is arranged between the female die 1 and the male die 2, and the sealing after die assembly between the female die and the male die is realized through the sealing rubber ring. Concave die 1 and 2 edges of terrace die are provided with unsmooth cooperation and realize the compound die direction.

The improved mould has obvious use effect, effectively overcomes various defects in the prior art, and is an ideal aluminum mould for forming the fiber reinforced resin matrix.

Claims (7)

1. The utility model provides a fibre reinforced resin base aluminium system mould for shaping which characterized in that: the die comprises a female die and a male die which are made of aluminum materials, wherein the female die and the male die are provided with die opening force application points on a die assembly line, and cushion blocks are fixed at the die opening force application points; an adjusting groove is formed in the female die or the male die, and a gasket is arranged in the adjusting groove; and the outer wall of the female die or the male die is provided with a negative pressure hole, and the negative pressure hole extends to the cavity negative pressure hole through a negative pressure channel.

2. The aluminum mold for forming a fiber reinforced resin matrix as claimed in claim 1, wherein: the male die is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

3. The aluminum mold for forming a fiber reinforced resin matrix as set forth in claim 1, wherein: concave-convex positioning devices are arranged at the edges of the female die and the male die, and die assembly positioning is realized through concave-convex matching.

4. The aluminum mold for forming a fiber reinforced resin matrix as set forth in claim 1, wherein: the negative pressure hole is designed as a counter bore, and a sieve plate is arranged in the counter bore.

5. The aluminum mold for forming a fiber reinforced resin matrix as set forth in claim 1, wherein: the periphery of the inner cavity surface of the convex mold is provided with a blocking convex table, and the outer part of the blocking convex table is provided with a glue overflow groove.

6. The aluminum mold for forming a fiber reinforced resin matrix as set forth in claim 5, wherein: the blocking boss is provided with a plurality of overflow notches.

7. The aluminum mold for forming a fiber reinforced resin matrix as set forth in claim 1, wherein: the cushion block fixed at the die opening force application point is a hard alloy cushion block.

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