TWI777444B - Forming device and formed raised floor casting - Google Patents

Abstract

A forming device for making raised floor, wherein a forming assembly is provided with a honey comb structure on a first pressing surface of a first mold, and a plurality of bumps on a second pressing surface of a second mold, such that a raised floor casting as a target is formed between the second pressing surface and the first pressing surface, and a plurality of concave portions can be formed on the target by the plurality of bumps. Therefore, when subsequently a hole is formed by stamping, a perforation can be formed at the concave portion, so that the thickness of the target is extremely thin at the place where the perforation is scheduled to be formed, and the depth of the hole is greatly reduced to facilitate processing.

Description

Forming device and raised floor castings formed therefrom

The present invention relates to a mold assembly, in particular to a forming device for manufacturing raised floors and the raised floor castings formed therefrom.

At present, semiconductor factories are equipped with raised floors with multiple micro-holes to purify the air quality of the environment and ensure the specifications of clean rooms.

At present, the raised floor is made by die casting. In the die-casting process, the desired product is often produced by a die, and before the die-casting process, a release layer is applied to the die to facilitate subsequent demoulding operations.

In the conventional process of manufacturing a raised floor, as shown in FIG. 1A to FIG. 1C, a mold assembly 1 is provided, which includes a male mold 1a with a pattern P and a female mold 1b with a flat surface, wherein the pattern P is It is used to form a honeycomb structure, and then the male mold 1a and the female mold 1b are pressed together; then, the material is supplied between the male mold 1a and the female mold 1b through a feeding pipeline 10 to wait for the material to solidify Afterwards, a raised floor semi-finished product 9 is formed, wherein the raised floor semi-finished product 9 has opposite ground side 9a and honeycomb side 9b. Afterwards, the raised floor semi-finished product 9 is released by the ejector pin of the ejector die 1c hitting the male mold 1a, so as to take out the raised floor semi-finished product 9 from the male mold 1a. Finally, a hole forming operation is performed to form a plurality of perforations on the flat ground side 9a of the raised floor semi-finished product 9, so as to form the required raised floor, and the raised floor can use airflow to remove fine dust through the holes, The hole-forming operation is performed with a drill bit, and after the hole-forming operation, a tile 8 can be pasted on the ground side 9a as required (as shown in FIG. 1D ).

However, during the hole forming process, the thickness D (about 4-10 mm) of the ground side 9a is too thick, as shown in FIG. 1D , resulting in a significant increase in the drilling depth, making it difficult to process and easily causing stress to concentrate on the honeycomb side 9b, causing the structure of the honeycomb side 9b to fracture.

In addition, the thickness D of the ground side 9a is too thick, and during the drilling process, debris will be generated, which makes it difficult to remove the debris in the perforation later, so that debris will remain in the perforation. When a raised floor is used, the perforations of the raised floor are prone to blockage and the fine dust cannot be removed.

Therefore, how to overcome the above-mentioned various problems of the conventional technology has become an urgent problem to be overcome in the current industry.

In view of various deficiencies in the above-mentioned prior art, the present invention provides a forming device comprising: a first mold having a first pressing surface; and a second mold having a second pressing surface corresponding to the first pressing surface A joint surface is formed to form a target between the first pressing surface and the second pressing surface, wherein a plurality of bumps are arranged on the second pressing surface, and the target is a raised floor casting, so as to A plurality of recesses are formed on the target by the plurality of bumps.

In the aforementioned forming device, the first mold and the second mold are connected by a plurality of sliding bars.

In the aforementioned forming apparatus, the first pressing surface is formed with a first pattern, and the first pattern includes a plurality of honeycomb blocks and grooves of different depths.

In the above-mentioned forming device, the first mold is a male mold, which includes a first mold piece with the first pressing surface, an abutting member disposed on the first mold piece, and a first mold piece supporting the first mold piece. A first carrier of a mold part and the abutting part, so that the abutting part is located between the first mold part and the first carrier part, the first mold part is used as a mold core, and the first carrier part It has a groove for accommodating the mold core. For example, the abutting member is formed with a plurality of first pinholes penetrating the abutting member, and the first bearing member is formed with a plurality of second pinholes penetrating the first bearing member, so that the second pinholes are formed Align this first pinhole. Further, an auxiliary mold with a plurality of ejector pins is included, so that the plurality of ejector pins correspond to pass through the plurality of first pinholes and the second pinholes. For example, the auxiliary mold and the first mold are connected by a plurality of sliding bars.

In the aforementioned forming device, the distance from the tops of the plurality of bumps on the second pressing surface to the top of the first pressing surface is 0.4 to 1 mm.

In the aforementioned forming apparatus, the plurality of bumps form the second pattern.

In the aforementioned forming device, the height difference between the bump and the second pressing surface is 0.5-4.5 mm.

In the aforementioned forming device, the second mold is a master mold, which includes a second mold with the second pressing surface, and a second carrier for supporting the second mold, the second mold The mold part is used as a mold core, and the second carrier has a groove for accommodating the mold core, and the second mold is configured with a supply pipe running through the second carrier to supply the target material to between the first pressing surface and the second pressing surface.

The present invention also provides a raised floor casting, which includes: a plate body with a ground side and a honeycomb side opposite to each other, and a plurality of recesses are formed on the ground side, wherein the thickness of the bottom surface of the recesses is smaller than that of the plate body thickness; and the frame body is formed around the honeycomb side.

In the above-mentioned raised floor casting, the depth of the recess is 1.5 to 4.5 mm.

In the above-mentioned raised floor casting, a plurality of ribs of different heights are formed on the honeycomb side.

In the above-mentioned raised floor casting, the thickness of the bottom surface of the recess is 0.4 to 1 mm.

As can be seen from the above, in the forming apparatus of the present invention and the raised floor casting formed therefrom, a plurality of bumps are formed on the second pressing surface of the second mold, so that the ground side of the raised floor casting (target) is formed. There are a plurality of concave parts, so that the distance between the bottom surface of the concave part and the honeycomb side of the raised floor casting (object) is smaller than the thickness of the plate body, so compared with the prior art, when forming perforations in the concave part , the thickness of the raised floor casting (target) where the perforation is scheduled to be formed has been reduced, so that the depth of the hole is greatly reduced, which is conducive to processing, and the ground side and the honeycomb side of the raised floor casting (target) are not It will cause the problem of stress concentration to avoid the problem of structural fragmentation of the raised floor casting (target), thereby improving the production yield and reliability of the raised floor.

Furthermore, by thinning a part of the plate body of the raised floor casting (target), in the subsequent hole-forming process, a punching method can be used, so that the punch used for hole-forming produces very little debris. , and during the punching process, the punch can punch the debris out of the perforation at the same time, so there will be no debris left in the perforation. Therefore, compared with the prior art, when the raised floor is used, the perforation of the raised floor There will be no debris left inside, that is, it will remain unblocked, so the perforation can avoid the problem of clogging and effectively remove fine dust.

The following specific embodiments are used to illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of those who are familiar with the art, and are not intended to limit the implementation of the present invention. Therefore, it has no technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the present invention without affecting the effect and the purpose that the present invention can achieve. The technical content disclosed by the invention can be covered within the scope. At the same time, the terms such as "up", "left", "right", "top", "bottom" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The scope of implementation of the invention and the change or adjustment of its relative relationship shall be regarded as the scope of implementation of the present invention without substantially changing the technical content.

FIG. 2 is a schematic perspective view of the forming device 2 of the present invention. As shown in FIG. 2 and FIG. 2A to FIG. 2E , the forming device 2 includes a forming component and an auxiliary mold 2c. The forming component includes a first mold 2a having a first pressing surface A1 and a second mold 2a having a second pressing surface A1. The second mold 2b of the pressing surface A2, and the second pressing surface A2 is arranged corresponding to the first pressing surface A1, so as to form a target between the first pressing surface A1 and the second pressing surface A2 Object 3 (shown in Figure 3C).

The first mold 2a is used as a male mold, and a first pattern P1 is formed on the first pressing surface A1 of the first mold piece 21a.

In this embodiment, the first pattern P1 includes a plurality of honeycomb blocks 21 arranged in an array and a plurality of grooves 25 with different depths for forming ribs of different heights, as shown in FIG. form a honeycomb structure.

Furthermore, as shown in FIG. 2B , the first mold 2a includes a first mold part 21a whose front surface is the first pressing surface A1, an abutting part 21c disposed on the back surface B1 of the first mold part 21a, and A first carrier member 21b for carrying the first module 21a and the abutting member 21c. For example, the first mold part 21a is used as a mold core, and the abutting part 21c is formed with a plurality of first pin holes 211 penetrating the abutting part 21c.

In addition, the first carrier 21b has a groove S1 for accommodating the first mold 21a and the abutting element 21c, so that the abutting element 21c is located between the first mold 21a and the first carrier 21b. For example, the bottom of the groove S1 is formed with a plurality of second pin holes 212 penetrating the first carrier 21 b so that the second pin holes 212 are aligned with the first pin holes 211 .

The auxiliary mold 2c has a plurality of ejector pins 23, and the auxiliary mold 2c is connected to the first mold 2a in a displaceable manner relative to the first mold 2a. For example, the auxiliary mold 2c is connected to the first mold 2a by a plurality of (such as four) sliding rods 24, so that the auxiliary mold 2c is displaced along the sliding rod 24 to approach or move away from the first mold 2a, and each ejector pin 23 correspondingly passes through each of the first pinholes 211 and the second pinholes 212 , so that the ejector pin 23 can be inserted into or withdrawn from each of the first pinholes 211 and the second pinholes 212 .

The second mold 2b is used as a master mold, which can be displaced relative to the first mold 2a, and the second pressing surface A2 has a plurality of bumps 220.

In this embodiment, the plurality of bumps 220 on the second pressing surface A2 are arranged in an array, as shown in FIGS. 2C to 2E , to form the second pattern P2 . For example, each matrix has nine bumps 220, but no bump 220 is formed at the center of the second pressing surface A2, and the height of the bump 220 is compared with the second pressing surface A2 The difference is about 0.5~4.5mm, and the second pressing surface A2 is the parting line.

Furthermore, the first mold 2a is connected to the second mold 2b in a displaceable manner relative to the second mold 2b. For example, the first mold 2a is used as a movable mold, and the second mold 2b is used as a fixed mold, and the first mold 2a and the second mold 2b are connected by a plurality of (for example, four) sliding bars 22, so that the first mold 2a and the second mold 2b are connected. A mold 2a is displaced along the slide bar 22 to approach or move away from the second mold 2b.

In addition, the second mold 2b includes a second mold 22a whose front surface is the second pressing surface A2, and a second carrier 22b for supporting the second mold 22a. For example, the second mold part 22a is used as a mold core, and the second carrier part 22b has a groove S2 for accommodating the second mold part 22a.

In addition, the second mold 2b is configured with a supply line 20, which penetrates the second carrier 22b to supply the target material between the first pressing surface A1 and the second pressing surface A2. For example, the supply line 20 protrudes toward the back surface B2 of the second mold 2b.

Therefore, when using the forming device 2, as shown in FIG. 3A, the second mold 2b is fixed, the first mold 2a is displaced along the sliding rod 22 to abut the second mold 2b, and the second mold 2b is pressed. The distance from the top of the plurality of bumps 220 on the joint surface A2 to the top of the first pressing surface A1 (such as the top of the honeycomb block 21 ) (or the thickness t of the plurality of concave portions 300 as shown in FIG. 4C ) is 0.4 to 1mm, and then supply the target material between the first pressing surface A1 and the second pressing surface A2 through the feeding pipeline 20 .

Next, when the target material is solidified, a target 3 like a raised floor casting will be formed, and the first mold 2a is displaced along the slide bar 22 to separate the second mold 2b, as shown in FIG. 3B . In this embodiment, the target 3 has opposite ground side 3a (as shown in FIG. 4A ) and honeycomb side 3b (as shown in FIG. 4B ), wherein the honeycomb block 21 of the first pressing surface A1 is For forming the structure on the honeycomb side 3b, a plurality of ribs 31a, 31b, 31c, 31d of different heights are shown in FIG. 300 on the ground side 3a.

Then, the auxiliary mold 2c is displaced along the sliding rod 24 to approach the first mold 2a, as shown in FIG. 3C (the second mold 2b is omitted in the figure), so that the ejector pins 23 pass through the first pin holes 211 and the second pinhole 212, so that the ejector pin 23 protrudes from the first pinhole 211 and collides with the back B1 of the first module 21a (as shown in FIG. 2B ), so that the target 3 is released, so the user The target 3 can be easily removed from the first mold 2a (as shown in FIGS. 4A and 4B ), wherein the raised floor casting as the target 3 is defined with a panel having the ground side 3a and the honeycomb side 3b The body 30, a plurality of ribs 31a, 31b, 31c, 31d of different heights formed on the honeycomb side 3b, and a frame body 31 formed around the honeycomb side 3b.

Finally, punching is used to form holes to form a plurality of perforations (not shown) on the ground side 3a of the target 3, so as to form the desired raised floor. After the hole-forming operation, a brick (not shown) can be pasted on the ground side 3a as required.

To sum up, the forming device 2 of the present invention mainly forms a plurality of bumps 220 on the second pressing surface A2 of the second mold 2b, so that a plurality of concave portions 300 are formed on the ground side 3a of the object 3, And the depth R (1.5~4.5 mm) of the recessed portion 300 is deep enough to make the thickness t of the bottom surface 300a of the recessed portion 300 thinner, as shown in FIG. 4C, so that the thickness t (0.40-1 mm) is smaller than the plate body 30 has a thickness D1 (about 1.5-5 mm), so compared with the prior art, when the perforation is formed at the recess 300, the thickness t (ie the spacing distance) where the perforation is scheduled to be formed on the ground side 3a is extremely thin , the hole forming depth is greatly reduced, which is beneficial to processing, and the problem of stress concentration will not be caused on the ground side 3a and/or the honeycomb side 3b, so as to avoid the occurrence of structure on the ground side 3a and/or the honeycomb side 3b The problem of chipping is improved, thereby improving the production yield and reliability of the raised floor.

Furthermore, by thinning a part of the area of the plate body 30 (that is, the concave portion 300 ), a punching method can be used during the hole forming process, so that the punch used for forming the hole generates very little debris, and During the punching process, the punch will punch the debris out of the through hole in a direction away from the through hole, so that no debris remains in the through hole, so there is no problem of dust and environmental pollution.

In addition, since the position of the perforation is aligned with the position of the concave portion 300, the punch used for the hole-forming operation can be aligned with the position of the concave portion 300 to perform the hole-forming action before forming the hole, so the punch can be inserted from the honeycomb side 3b. Passing through towards the ground side 3a to flush out the debris, thus avoiding the problem of debris remaining in the perforation, so that the perforation of the raised floor can be effectively prevented from being blocked and the perforation operation can be completed quickly.

The above embodiments are used to illustrate the principles and effects of the present invention, but not to limit the present invention. Any person skilled in the art can make modifications to the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the right of the present invention should be listed in the scope of the patent application described later.

1: Mold components 1a: male model 1b: master mold 1c: thimble die 10,20: Feed line 2: Forming device 2a: The first mold 2b: Second mold 2c: Auxiliary mold 21: Honeycomb Block 21a: The first module 21b: The first carrier 21c: Abutment 211: The first pinhole 212: Second pinhole 22,24: Slider 22a: Second module 22b: Second carrier 220: bump 23: Thimble 25: Groove 3: target 30: Board body 31: Frame 3a, 9a: Ground side 3b, 9b: Hive side 300: Recess 300a: Bottom 31a, 31b, 31c, 31d: Ribs 8: face brick 9: Raised floor semi-finished product A1: The first pressing surface A2: The second pressing surface B1,B2: Back D, D1: Thickness P: pattern P1: The first pattern P2: Second pattern R: depth S1, S2: groove t: thickness

FIG. 1A is a perspective view of a conventional mold assembly.

FIG. 1B is an enlarged perspective view of the mold core of the male mold of FIG. 1A .

FIG. 1C is an enlarged perspective view of the raised floor casting of FIG. 1A from another perspective.

FIG. 1D is a partial enlarged cross-sectional view of FIG. 1C .

FIG. 2 is a schematic exploded perspective view of the forming device of the present invention.

FIG. 2A is a partial enlarged perspective view of the core of the first mold of FIG. 2 .

FIG. 2B is an exploded perspective view of the first mold of FIG. 2 .

FIG. 2C is an enlarged perspective view of the second mold of FIG. 2 from another perspective.

FIG. 2D is an exploded perspective view of FIG. 2C .

FIG. 2E is a partially enlarged perspective view of FIG. 2C .

3A to FIG. 3C are three-dimensional schematic diagrams of the use process of the forming apparatus of the present invention.

4A is a perspective view of the raised floor casting of the present invention.

FIG. 4B is a perspective view of FIG. 4A from another perspective.

FIG. 4C is a partial enlarged cross-sectional view of FIG. 4A .

2b: Second mold

20: Feeding pipeline

22: Slider

22a: Second module

22b: Second carrier

220: bump

A2: The second pressing surface

B2: Back

P2: Second pattern

Claims (11)

A forming device includes: a first mold, which is a male mold, which includes a first mold part with a first pressing surface, an abutting part arranged on the first mold part, and a first mold part supporting the first mold part. A first carrier of a mold part and the abutting part, so that the abutting part is located between the first mold part and the first carrier part, the first mold part is used as a mold core, and the first carrier part It has a groove for accommodating the mold core, wherein, the first pressing surface is formed with a first pattern, and the first pattern includes a plurality of honeycomb blocks and grooves of different depths; and a second mold, It has a second pressing surface corresponding to the first pressing surface, so as to form a target between the first pressing surface and the second pressing surface, wherein the second pressing surface is configured with a plurality of convexities and the target is a raised floor casting to form a plurality of recesses on the target by the plurality of bumps. The forming device of claim 1, wherein the first mold and the second mold are connected by a plurality of sliding bars. The forming device of claim 1, wherein the abutting member is formed with a plurality of first pinholes penetrating the abutting member, and the first carrier member is formed with a plurality of second pinholes penetrating the first carrier member pinhole, so that the second pinhole is aligned with the first pinhole. The forming device according to claim 3, further comprising an auxiliary mold with a plurality of ejectors, so that the ejectors pass through the plurality of first pinholes and the second pinholes, and the auxiliary mold and the first mold are connected to each other. Connected by multiple sliders. The forming device of claim 1, wherein the distance from the top of the plurality of bumps on the second pressing surface to the top of the first pressing surface is 0.4 to 1 mm. The forming apparatus of claim 1, wherein the plurality of bumps form a second pattern. The forming device according to claim 1, wherein the height difference between the bump and the second pressing surface is 0.5-4.5 mm. The forming device of claim 1, wherein the second mold is a master mold, which includes a second mold part with the second pressing surface, and a second mold part for supporting the second mold part A carrier, the second mold part is used as a mold core, and the second carrier part has a groove for accommodating the mold core, and the second mold is configured with a feeding pipeline passing through the second carrier part , so as to supply the target material between the first pressing surface and the second pressing surface. A raised floor casting, comprising: a board body having opposite ground side and honeycomb side, and a plurality of recesses are formed on the ground side, wherein the thickness of the bottom surface of the recesses is less than the thickness of the board body, and A plurality of ribs with different heights are formed on the side of the honeycomb; and a frame body is formed around the side of the honeycomb. The raised floor casting according to claim 9, wherein the depth of the recess is 1.5-4.5 mm. The raised floor casting as claimed in claim 9, wherein the bottom surface of the recess has a thickness of 0.4 to 1 mm.

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