Corrugation forming die for structured packing

Abstract

The utility model discloses a structured packing corrugation forming die which comprises an upper die and a lower die, the upper die is provided with a plurality of upper forming ribs parallel to each other, the lower die is provided with a plurality of lower forming ribs parallel to each other, the upper forming ribs and the lower forming ribs are arranged in a staggered mode so that materials can be corrugated after being formed, and a plurality of upper positioning ribs are arranged on one sides of the upper forming ribs. A plurality of lower positioning ribs are correspondingly arranged on one side of the lower forming ribs, and the lower positioning ribs and the upper positioning ribs are arranged in a staggered mode. In the field of structured packing, the problems that in the prior art, due to the fact that a plate can generate a curvature under the influence of gravity and corrugation shapes, the plate in a mold is bent and staggered in the forming process, and corrugations are not parallel in the front-back direction after forming are solved; the corrugation shape is tightly pressed and fixed by the upper positioning rib and the lower positioning rib, so that the plate cannot be misplaced, and the qualification rate of corrugation forming is improved.

Description

Technical Field

[0001] The utility model relates to the field of structured packing, in particular to a corrugated forming die for structured packing. Background Technique

[0002] As an important part of the packing tower, the packing can be divided into random packing and structured packing. The structured packing is a kind of packing arranged in a uniform geometric pattern and neatly stacked in the tower, which has the advantages of large specific surface area, small pressure drop, uniform fluid distribution, high mass transfer and heat transfer efficiency, etc. The types of structured packing are mainly divided into wire mesh structured packing, corrugated packing and grid packing. The production process of the corrugated packing is that the plate is first punched and embossed, then corrugated formed, and finally cut and assembled according to the required shape and size. Among them, the corrugated forming often uses a forming die. At first, people used a die with a pair of upper forming ribs and lower forming ribs for forming. Subsequently, it was found in production that due to the need for one-time forming for each corrugated shape, the life of the die was very short, and the angle of corrugated forming was often small. Therefore, people adopted a die with multiple pairs of upper forming ribs and lower forming ribs, and the problems of the die life and the forming accuracy of the corrugation could be solved through one-time rough precision forming and two-time fine precision forming. However, the following problems still remain unsolved:

[0003] After the feeding machine pushes the formed plate out of the die, the plate will generate a curvature under the influence of gravity and the corrugated shape, causing the plate in the die to bend and misalign during forming, resulting in non-parallel corrugations before and after forming.

[0004] Therefore, there is an urgent need for a corrugated forming die for structured packing to keep the plate in the die from misaligning during forming and improve the qualification rate of corrugated forming. Summary of the Invention

[0005] The purpose of the utility model is to provide a corrugated forming die for structured packing, in which the plate will not be misaligned in the die, and the qualification rate of corrugated forming is improved.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a corrugated forming die for structured packing, including an upper die and a lower die. The upper die is provided with a plurality of upper forming ribs parallel to each other, and the lower die is provided with a plurality of lower forming ribs parallel to each other. The upper forming ribs and the lower forming ribs are arranged in a staggered manner so that the material is formed into a corrugated shape after forming. A plurality of upper positioning ribs are arranged on one side of the plurality of upper forming ribs, and a plurality of lower positioning ribs are correspondingly arranged on one side of the plurality of lower forming ribs. The lower positioning ribs and the upper positioning ribs are arranged in a staggered manner.

[0007] Before the upper positioning ribs and the lower positioning ribs, the corrugated shape has been formed. When the plate is pushed forward for a new corrugated forming, although there is still a bending situation, because the upper positioning ribs and the lower positioning ribs tightly press and fix the corrugated shape, the plate will not be misaligned, and the qualification rate of corrugated forming is improved.

[0008] Preferably, the lengths of the upper positioning ribs and the lower positioning ribs are shorter than those of the upper forming ribs and the lower forming ribs.

[0009] Preferably, the numbers of the upper forming ribs and the lower forming ribs are both three.

[0010] Preferably, the numbers of the upper positioning ribs and the lower positioning ribs are one.

[0011] Preferably, the radii of the fillets at the rib heads of the upper forming ribs and the lower forming ribs are 0.4 mm.

[0012] Preferably, a guide post is provided on the upper die, and a guide hole adapted to the guide post is provided on the lower die. When the mold is forming, the guide post is inserted into the guide hole to accurately position between the upper and lower dies.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] When the sheet is pushed further for new corrugation forming, since the upper positioning ribs and the lower positioning ribs firmly press and fix the corrugated shape, the sheet will not be misaligned, improving the qualified rate of corrugation forming. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 are the bottom view of the upper die and the top view of the lower die shown in Embodiment 1;

[0016] Figure 2 are the left views of the upper die and the lower die when forming shown in Embodiment 1;

[0017] Figure 3 are the bottom view of the upper die and the top view of the lower die shown in Embodiment 2.

[0018] In the figure: upper die 1, lower die 2, upper forming rib 3, lower forming rib 4, upper positioning rib 5, lower positioning rib 6, guide post 7, guide hole 8. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0020] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of this utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in this utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear narration, and are not used to limit the scope for the implementation of this utility model. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope within which this utility model can be implemented. Example 1

[0021] As Figure 1 and Figure 2 shown, a corrugated forming die for structured packing in this embodiment includes an upper die 1 and a lower die 2. The upper die 1 is provided with a plurality of upper forming ribs 3 that are parallel to each other, and the lower die 2 is provided with a plurality of lower forming ribs 4 that are parallel to each other. The upper forming ribs 3 and the lower forming ribs 4 are arranged in a staggered manner so that the material forms a corrugated shape after forming. The number of both the upper forming ribs 3 and the lower forming ribs 4 is preferably three. One upper positioning rib 5 is provided on one side of the plurality of upper forming ribs 3, and one lower positioning rib 6 is correspondingly provided on one side of the plurality of lower forming ribs 4. The lower positioning rib 6 and the upper positioning rib 5 are arranged in a staggered manner. Before the upper positioning rib 5 and the lower positioning rib 6, the corrugated shape has been formed. When the plate is pushed forward for new corrugated forming, although there is still a bending situation, because the upper positioning rib 5 and the lower positioning rib 6 tightly press and fix the corrugated shape, the plate will not be misaligned, improving the qualification rate of corrugated forming. Since the upper positioning rib 5 and the lower positioning rib 6 only play a positioning role, their lengths are shorter than those of the upper forming ribs 3 and the lower forming ribs 4. The number of the upper positioning rib 5 and the lower positioning rib 6 can also be increased as needed. The preferred number in this embodiment is one. Due to the requirements of the product's fold angle, the radius of the fillet at the rib head of the upper forming ribs 3 and the lower forming ribs 4 is 0.4 mm. A guide post 7 is provided on the upper die 1, and a guide hole 8 adapted to the guide post 7 is provided on the lower die 2. The guide post is inserted into the guide hole to accurately position between the upper and lower dies.

[0022] Working principle:

[0023] When the plate that has completed corrugated forming is pushed between the upper positioning rib 5 and the lower positioning rib 6 and the upper die 1 is pressed down, the corrugated shape will align the plate under the action of the upper positioning rib 5 and the lower positioning rib 6, so that the front and rear corrugations will not be misaligned, improving the product qualification rate. Example 2

[0024] As Figure 3As shown in the figure, the difference between this embodiment and the first embodiment is that the shapes of the upper forming rib 3 and the lower forming rib 4 are different. Specifically, opposite-directional folds are added to both ends of a straight line at one end. This embodiment is applicable to the corrugation forming of products different from those of the first embodiment.

[0025] As described above, the present utility model provides a corrugation forming die for structured packing. When the sheet is pushed further for new corrugation forming, since the upper positioning rib and the lower positioning rib firmly press and fix the corrugation shape, the sheet will not be misaligned, improving the qualified rate of corrugation forming.

[0026] The above embodiments are only illustrative of the principles and effects of the present utility model, and are not used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A corrugated forming die for structured packing, comprising an upper die (1) and a lower die (2), wherein the upper die (1) is provided with a plurality of upper forming ribs (3) parallel to each other, and the lower die (2) is provided with a plurality of lower forming ribs (4) parallel to each other, wherein the upper forming ribs (3) and the lower forming ribs (4) are staggered so that the material is corrugated after forming, and characterized in that: A plurality of upper positioning ribs (5) are provided on one side of the plurality of upper forming ribs (3), and a plurality of lower positioning ribs (6) are correspondingly provided on one side of the plurality of lower forming ribs (4), wherein the lower positioning ribs (6) are staggered with the upper positioning ribs (5).

2. The corrugation forming die for structured packing according to claim 1, characterized in that: The lengths of the upper positioning rib (5) and the lower positioning rib (6) are shorter than the upper forming rib (3) and the lower forming rib (4).

3. The corrugation forming die for structured packing according to claim 1, characterized in that: The number of the upper forming ribs (3) and the number of the lower forming ribs (4) are both three.

4. The corrugation forming die for structured packing according to claim 1, characterized in that: The number of the upper positioning rib (5) and the number of the lower positioning rib (6) are one.

5. The corrugation forming die for structured packing according to claim 1, characterized in that: The radius of the fillet of the rib head of the upper forming rib (3) and the lower forming rib (4) is 0.4 mm.

6. The corrugation forming die for structured packing according to any one of claims 1 to 5, characterized in that: The upper die (1) is provided with a guide column (7), and the lower die (2) is provided with a guide hole (8) matched with the guide column (7).

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