TWI771894B - Forming device - Google Patents

Abstract

A forming device for making raised floor, wherein a forming assembly is provided with a plurality of bumps on a first pressing surface of a first mold, such that a raised floor casting as a target is formed between a second pressing surface of a second mold 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

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 Then, a raised floor semi-finished product 9 is formed, wherein the raised floor semi-finished product 9 has opposite plane sides 9a and honeycomb sides 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 side 9a of the raised floor semi-finished product 9 to form the desired raised floor, and the raised floor can use airflow to remove fine dust through the holes, wherein the formation The hole operation is performed with a drill bit, and after the hole forming operation, a tile 8 can be pasted on the flat side 9a as required (as shown in FIG. 1D ).

However, during the hole forming process, the thickness D (about 4-10 mm) of the plane side 9a is too thick, as shown in FIG. 1D , resulting in a substantial 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.

Furthermore, the thickness D of the plane side 9a is too thick, and during the drilling process, debris will be generated, which makes it difficult to remove the debris in the through hole later, so that debris will remain in the hole, so the use of this 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 plurality of bumps are arranged on the first pressing surface; and a second mold, It has a second pressing surface arranged corresponding to the first pressing surface, so as to form a target between the first pressing surface and the second pressing surface, wherein 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, a pattern is formed on the first pressing surface, and the plurality of bumps are formed on the pattern, the pattern includes a plurality of honeycomb blocks, and a plurality of the bumps are formed on a single honeycomb block.

In the aforementioned forming device, the top surface of the bump is lower than the top surface of the surrounding corners of the first pressing surface, and the height difference between the two places is about 1-3 mm.

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 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, comprising: a plate body with opposite ground side and honeycomb side; a plurality of ribs with different heights and a plurality of recesses formed on the honeycomb side, wherein the bottom surface of the recesses The spacing distance from the ground side is smaller than the thickness of the plate body; and the frame body is formed around the honeycomb side.

In the above-mentioned raised floor castings, the separation distance is 1-3 mm.

In the aforementioned raised floor casting, the ground side is a flat surface.

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 first pressing surface of the first mold, so that the honeycomb 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 ground side of the raised floor casting (object) is much thinner than the thickness of the plate body, so compared with the prior art, when the concave part is formed When perforating, the thickness of the raised floor casting (object) where the perforation is intended to be formed has been reduced, so that the depth of the hole is greatly reduced, which is conducive to processing, and the raised floor casting (object) is on the ground side and the honeycomb side. Neither will cause the problem of stress concentration, so as 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 reducing the distance between the raised floor castings (targets), punching methods can be used in the subsequent hole-forming process, so that the punch for hole-forming produces very little debris and During the punching process, the punch can punch the debris away from the perforation, so that no debris remains in the perforation. Therefore, compared with the prior art, when the raised floor is used, the perforation of the raised floor will not remain. The remaining debris is kept open, so the perforation can avoid the problem of clogging, thereby effectively removing 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 , FIG. 2A and FIG. 2C , the forming device 2 includes a forming element 2 ′ and an auxiliary mold 2 c . The forming element 2 ′ includes a first mold 2 a having a first pressing surface A1 and A second mold 2b having a second pressing surface A2, and the second pressing surface A2 is disposed corresponding to the first pressing surface A1, so as to be located between the first pressing surface A1 and the second pressing surface A2 A target 3 is formed between them (as shown in FIG. 3C ).

The first mold 2a is used as a male mold, and a plurality of bumps 210 are provided on the first pressing surface A1 of the first mold 2a.

In this embodiment, a pattern P' is formed on the first pressing surface A1, and a plurality of honeycomb blocks 21 are arranged in an array as shown in FIG. 2A to form a honeycomb structure on the target 3, and the plurality of bumps 210 is formed on the pattern P'. For example, nine bumps 210 are formed on each honeycomb block 21 , and the top surface of the bumps 210 is lower than the top surface of the surrounding corners of the first pressing surface A1 , and the height difference between the two places is about 1-3 mm. .

Furthermore, as shown in FIG. 2B , the first mold 2a includes a first mold piece 21a whose front surface is the first pressing surface A1, an abutting piece 21c disposed on the backside B of the first mold piece 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 S for accommodating the first module 21a and the abutting member 21c, so that the abutting member 21c is located between the first module 21a and the first carrier 21b. For example, the bottom of the groove S is formed with a plurality of second pinholes 212 penetrating the first carrier 21b so that the second pinholes 212 are aligned with the first pinholes 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 (eg, four) sliding bars 22', so that the auxiliary mold 2c is displaced along the sliding bars 22' to approach or move away from the first mold 2a, and each The ejector pin 23 passes through each of the first pinhole 211 and the second pinhole 212 correspondingly, so that the ejector pin 23 can be inserted into or withdrawn from each of the first pinhole 211 and the second pinhole 212 .

The second mold 2b and the first mold 2a can be displaced relative to each other, and the second pressing surface A2 is flat.

In this embodiment, 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 male mold, and the second mold 2b is used as a fixed female mold, and the first mold 2a and the second mold 2b are connected by a plurality of (such as four) sliding rods 22, so that the The first mold 2a is displaced along the slide bar 22 to approach or move away from the second mold 2b.

Furthermore, as shown in FIG. 2C, the second mold 2b includes a second mold part 22a whose front surface is the second pressing surface A2, and a second carrier part 22b for supporting the second mold part 22a. For example, the second mold part 22a is used as a mold core, and the second carrier part 22b has a groove for accommodating the second mold part 22a.

In addition, the second mold 2b is provided 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 B' 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 then the supply The material pipeline 20 supplies the target material between the first pressing surface A1 and the second pressing surface A2.

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 concave portions 30 (as shown in FIG. 4B and FIG. 4B-1) and a plurality of ribs 31 of different heights are formed on the honeycomb side 3b by the bumps 210, and The second pressing surface A2 is used to form a flat surface as the ground side 3a.

Then, the auxiliary mold 2c is displaced along the sliding rod 22' 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 pins The hole 211 and the second pin hole 212 allow the ejector pin 23 to protrude from the first pin hole 211 to collide with the back surface B of the first module 21a (as shown in FIG. 2B ), so that the target 3 is loosened, so use The target object 3 can be easily taken out from the first mold 2a, wherein the raised floor casting as the target object 3 is defined with a plate body 3' having the ground side 3a and the honeycomb side 3b, formed in the honeycomb A plurality of recesses 30 on the side 3b, a plurality of ribs 31 with different heights, and a frame body 3" formed around the honeycomb side 3b.

Finally, punching is used to form holes to form a plurality of perforations 40 on the ground side 3a of the target 3, as shown in FIG. 4C, so as to form the desired raised floor 4. 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 convex blocks 210 on the first pressing surface A1 of the first mold 2a, so that a plurality of concave portions 30 are formed on the honeycomb side 3b of the target object 3, And the distance t between the bottom surface 30a of the recessed portion 30 and the ground side 3a is relatively thin, as shown in FIG. 4B-1, so that the distance t (about 1~3mm) is much thinner than the plate body 3' (or the thickness D between the ground side 3a and the honeycomb side 3b as shown in FIG. 4B-1) (about 4~10mm, or the thickness D of the conventional plane side 9a as shown in FIG. 1D ), so Compared with the prior art, when the through hole 40 is formed at the recess 30, the thickness of the ground side 3a where the through hole 40 is to be formed (ie, the spacing distance t) is extremely thin, so that the depth of the hole is greatly reduced, which is advantageous. During processing, 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 problem of structural cracking on the ground side 3a and/or the honeycomb side 3b, thereby raising the raised floor 4. Production yield and reliability.

Furthermore, by reducing the distance t (about 1~3mm), the punching method can be used during the hole forming process, so that the punch used for forming the hole generates very little debris, and the punch can be used in the punching process. In the process, the punch will punch the debris out of the through hole 40 in a direction away from the through hole 40, so that no debris remains in the through hole 40, so there is no problem of dust and environmental pollution.

In addition, since the position of the through hole 40 is aligned with the position of the concave part 30, the punch used for the hole forming operation can be aligned with the position of the concave part 30 to perform the hole forming operation before the hole forming operation, so the punch can be used from the honeycomb side. 3b passes through the ground side 3a to flush out the debris, thereby avoiding the problem of the debris remaining in the perforation 40, so that the perforation 40 of the raised floor 4 can effectively avoid clogging and can be completed quickly perforation work.

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 2': forming components 2a: The first mold 2b: Second mold 2c: Auxiliary mold 21: Honeycomb Block 21a: The first module 21b: The first carrier 21c: Abutment 210:Bumps 211: The first pinhole 212: Second pinhole 22,22': Slider 22a: Second module 22b: Second carrier 23: Thimble 3: target 3': Board body 3": rack body 3a: Ground side 3b, 9b: Hive side 30: Recess 30a: Bottom surface 31: Ribs 4: Raised Floor 40: perforation 8: face brick 9: Raised floor semi-finished product 9a: Flat side A1: The first pressing surface A2: The second pressing surface B,B': back D: thickness P,P': pattern S: groove t: separation distance

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 view of the mold 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.

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

FIG. 4A is an enlarged perspective view of the target of FIG. 3C .

FIG. 4B is an enlarged perspective view of the object of FIG. 3C from another viewing angle.

FIG. 4B-1 is a partial enlarged cross-sectional view of FIG. 4B.

FIG. 4C is a three-dimensional schematic diagram of the raised floor formed by the subsequent process of FIG. 3C .

21a: The first module

21: Honeycomb Block

210:Bumps

B: back

P': pattern

Claims (7)

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 disposed on the first mold part, and a bearing for the first mold part. The first mold part and the first carrier part of 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 press The joint surface is formed with a pattern, and the pattern includes a plurality of honeycomb blocks, and the first carrier has a groove for accommodating the mold core, wherein a plurality of bumps are formed on the pattern, so that a single honeycomb block is formed. A plurality of the bumps are formed on the block; and a second mold is provided with 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 The object, wherein the target object is a raised floor casting, so that a plurality of recesses are formed on the target object 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 according to claim 1, wherein the top surface of the bump is lower than the top surface of the surrounding corners of the first pressing surface, and the height difference between the two places is about 1-3 mm. 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 as claimed in claim 4 further comprises an auxiliary mold having a plurality of ejector pins, so that the plurality of ejector pins pass through the plurality of first pinholes and the second pinholes correspondingly. The forming device according to claim 5, wherein the auxiliary mold and the first mold are connected by a plurality of sliding bars. 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 The second carrier, the second mold 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 through the second carrier. A material pipeline is used to supply the target material between the first pressing surface and the second pressing surface.

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