CN107881855B - The mold of paper mould and the paper contour forming method for using the mold - Google Patents

Abstract

Mold and manufacturing process of the one kind to make tool rank portion paper mechanograph, the mould inside has interconnected chamber, channel and groove, when pulp material filler is formed in the mold, which has the ontology being located in the chamber, the extension being located in the channel and the rank portion being located in the groove；The extension system of the pulp material filler is located at the intersection between the ontology of the pulp material filler and rank portion, uses and avoids when removing the extension, and the rank portion is caused to bend.

Description

The mold of paper mould and the paper contour forming method for using the mold

Technical field

System of the present invention is espespecially a kind of for the forming tool rank portion paper molding that is made into one in relation to a kind of paper contour forming processing procedure The paper contour forming method of product and its mold used.

Background technique

It is increasingly popularized with person's environmental protection concept, the use of moulded paper pulp product is increasingly extensive.For example, being needed according to packaging demand Make paper mould product of different shapes, the box body of the packing box as disclosed in No. CN204568193 or as shown in Figure 1B it Paper mechanograph 1, apical margin is stepped, so that upper and lower covers can fasten whereby.

However, general plastic mold is enclosed type with mold system, so manufacture has the plastic mold box body in rank portion and is not present Hell and high water, but paper mould with mold system be opening, and general paper mould machine system on fishing slurry using pushing at present Mold forming mode, such as using the mold of existing paper mould, paper pulp is easy to overflow to mold surrounding and dissipate when upper lower die, thus can not Form above-mentioned rank portion structure.

For this purpose, paper mould industry has the mode using multiple processing, as CN104499352 patent is taught inside and outside Box body secondary operation method (first produces the ontology 10 and the rank portion 11 respectively, then the rank portion 11 is placed in the ontology 10 In), or sliding block sub-assembly (i.e. compound die) the progress segmental machining formation hierarchic structure processing procedure that collocation is complicated, but it is known various more Secondary processing method or sliding block sub-assembly processing method, have the drawback that

The first, it needs to make compared with multiple sets of molds, or needs to modify existing paper die forming machine, not only increase the more sets of production Mold or machine update cost, also will increase more production time, manufacturing cost are caused to improve.

The second, since pulp material contains plant fiber, sliding block sub-assembly sectional making mode is such as used, in manufacturing process In, will cause pulp material solidify blocking sliding rail gap phenomenon, it is often necessary to shutdown go cleaning mold, can seriously affect production capacity and Production cost.

Third carries out box body edge when cutting, and be easy to cause product that problem is lost, for example, when cutting, paper wood box body it Rank portion generates crape folding or the defective products problem such as softening bending or breakage (aftermentioned in detail) vulnerable to cutter external force pressure.

Industry such as uses the box body in sliding block sub-assembly (i.e. compound die) segmented mode production tool rank portion.As shown in Figure 1A, it is First pulp material is inserted in mold, forms a semi-finished product, it includes just like the ontology 10 of bowl-shape, box-like or analogous shape etc. and one Cut length 12, then by mobile sliding block sub-assembly extrusion body 10, form a rank portion 11 upwardly extended, make the opening of the product Edge is stepped.The semi-finished product are subjected to trimming operation to remove the cut length 12 later, and obtain system as shown in Figure 1B Product,

However, being that (arrow direction X, Y as shown in Figure 1A) cutting should in a manner of truncation in known paper manufacturing process Cut length 12, and truncation mode be easy to cause the rank portion 11 to damage.Specifically, 12 system of cut length is from the 11 apical margin court, rank portion Left and right direction extends, i.e., die parting line connects 11 apical margin of rank portion, make the trimming operation excision mode need to towards the cut length 12 it Extending direction (i.e. arrow direction X or arrow direction Y) carries out straight cuts, therefore when removing the cut length 12, the cut length 12 The apical margin that will drive the smaller rank portion 11 the thickness T when stress causes the paper wood rank portion 11 to generate bending or breakage, makes It can not be successfully and be engaged in the rank portion 11 at another cover piece.

Therefore, above-mentioned known various making the paper process with rank portion product, or because manufacturing This height, or because yields is too low, and can not effectively apply on production line, that is, can not mass production.

Therefore, how to overcome the variety of problems of above-mentioned known techniques, have become current paper mould industry in fact and urgently overcome it Problem.

Summary of the invention

In view of the missing of above-mentioned known techniques, the present invention provide a kind of paper mould with mold, internal system has mutual Chamber, channel and the groove of connection, wherein the groove system extends from the open end edge of the chamber towards opening direction, and this is logical Road system extends in the direction of an angle towards the chamber outside along with the groove, and the ora terminalis of the position and the groove that make the channel is at a distance of one Distance, and the width system of the chamber is greater than the width of the groove.

In aforementioned mold, which is located at the intersection between the chamber and the groove.For example, the mold includes: First module is with first surface, and the first surface is formed with an at least recess portion；And second module, it is by plural groups Part is constituted, the protrusion with second surface opposite second surface protrusion at least one, and the groove be formed in this second On the second surface of module and it is located at around the protrusion.

When first module mutually covers conjunction with the second module, and after making the protrusion is corresponding to be located in the recess portion, first table Face lateral position and the second module lateral position system constitute the channel, and the chamber is formed between the protrusion and the recess portion, The chamber, the channel and the groove is set to be interconnected, and the channel is located at the intersection between the chamber and the groove.For example, The first surface lateral position of first module is equipped with an at least block piece.

The present invention provides a kind of manufacturing process of mold using aforementioned paper mould, is to include: in an aforementioned mold, Pulp material is filled in the chamber, channel and groove by pressure, and the pulp material filler forms and is located at it in the chamber Ontology, the extension being located in the channel and the rank portion being located in the groove, make the position of the extension and the ora terminalis in the rank portion At a distance of a distance；The mold is removed, to take out the pulp material filler；And remove the extension.

In aforementioned manufacturing process, the thickness system of the ontology is greater than the thickness in the rank portion.

In aforementioned manufacturing process, which is in accommodating body, has opposite opening and bottom, makes the system, rank portion certainly The open edge of the ontology extends towards the direction of the opening, and the extension system is in the rank portion from the open edge edge of the ontology The direction of angle extends outside towards the ontology.

In addition, being to remove the extension in a manner of excision in aforementioned manufacturing process.For example, the excision mode system along The extension is cut along the body peripheral face from the direction of the ontology extension in the rank portion；Alternatively, the excision mode system is along this The extension is cut along the body peripheral face in the direction of external circumferential surface.

From the foregoing, it will be observed that the paper mould of the present invention with mold and paper contour forming method in, it is mainly logical by this in mold The ora terminalis of the position in road and the groove at a distance of a distance, and then make the extension position and the rank portion ora terminalis at a distance of one away from From, with when forming pulp material filling Tetramune, which not will cause rank portion bending or damaged when removing stress, therefore Compared to known techniques, the paper mould of the present invention with mold and paper contour forming method made by paper mechanograph be able to maintain Good complete rank portion structure, effectively to engage another cover piece.

Furthermore the paper mould of the present invention with mold and manufacturing process can be used directly in existing paper die forming machine On, without carrying out the modification of existing machine, or it must cooperate specific model that could use.Also, using the paper of the present invention Mould with mold and manufacturing process, only need time processing, can integrally formed this there is the paper mechanograph in rank portion, therefore compared to Known techniques, the paper mould of the present invention with mold and manufacturing process, capable of breaking through the original manufacture of dealer, this has rank portion paper mould The production bottleneck of product, reduce the production time, and effectively promoted product yield, not only significantly reduce product manufacturing at This, and can be realized mass production.

Detailed description of the invention

Figure 1A is the diagrammatic cross-section of known paper contour forming method；

Figure 1B is diagrammatic cross-section of known paper-plastic products when using；

Fig. 2A is the mold of paper mould of the invention in the diagrammatic cross-section of use state；

Fig. 2 B is the partial enlargement diagram of Fig. 2A；

Fig. 2 C is the mold of paper mould of the invention in the stereoscopic schematic diagram of discrete state；

Fig. 2 D is the mold of paper mould of the invention in the diagrammatic cross-section of discrete state；

Fig. 2 E is the partial enlargement diagram of Fig. 2 D；

Fig. 3 A to 3E is the diagrammatic cross-section of manufacturing process of the invention；

Fig. 3 F is the stereoscopic schematic diagram of product made by manufacturing process of the invention and its cover piece of cooperation

Fig. 4 A is the diagrammatic cross-section of another embodiment of Fig. 3 C；

Fig. 4 B is the stereoscopic schematic diagram of Fig. 3 E；And

Fig. 5 A to 5C is the stereoscopic schematic diagram of the different aspects of the product of Fig. 3 F.

Component symbol simple declaration:

1,4,5a, 5b, 5c product

10,30 ontologies

11,31 rank portions

12 cut length

2 papers with mold

21 first modules

21a first surface

210 recess portions

22 second modules

22a second surface

22b pedestal

22c block

22d fixation hole

22e card hole

22f notch

22g side wall

220 protrusions

221 grooves

221a, 31a ora terminalis

23 chambers

24 channels

3 paper pulp fillers

3a pulp material

30a opening

The bottom 30b

32 extensions

410 block pieces

5 containers

6 releasing layers

8 upper covers

9 cover pieces

D, T thickness

D, t width

R, r angle

A, B, X, Y, S arrow direction

L die parting line

H, h distance

Specific embodiment

The embodiment for illustrating the present invention by particular specific embodiment below, the personage for being familiar with this skill can be by this theory The disclosed content of bright book understands other advantages and effect of the present invention easily.

It should be clear that structure, ratio, size etc. that this specification institute accompanying drawings are depicted, only to cooperate specification to be taken off The content shown, for be familiar with this skill personage understanding and read, be not intended to limit the invention implementable qualifications, Therefore not having technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing this hair Under bright the effect of can be generated and the purpose that can reach, should all still fall in disclosed technology contents and obtain can cover it In range.Meanwhile cited such as "upper" in this specification, "lower", " first ", " second " and " one " term, be also only It is clear convenient for describing, rather than to limit the implementable range of the present invention, relativeness is altered or modified, in no essence It changes under technology contents, when being also considered as the implementable scope of the present invention.

As shown in Fig. 2A to 2E, the paper mould of the present invention with mold 2, be including one first module 21 and one second Module 22, the two constitute interconnected chamber 23, channel 24 and groove 221, and the position in the channel 24 and the groove 221 it Ora terminalis 221a is at a distance of a distance H.

In this present embodiment, which is located at the intersection between the chamber 23 and the groove 221, the chamber 23 it Width d system is greater than the width t of the groove 221, and 221 system of groove is from the open end edge of the chamber 23 towards opening direction (as schemed Arrow direction A in 2A) extend, and 24 system of channel extends in the direction of angle r towards the chamber 23 outside along with the groove 221 (the arrow direction B in such as Fig. 2A), wherein the degree system of angle r is greater than 0 degree and is less than 180 degree (as shown in Figure 2 B 90 Degree).

First module, 21 system has a first surface 21a, and first surface 21a is formed with a recess portion 210.

In this present embodiment, which is integrated manufactured cuboid, and the recess portion 210 as master mold System is in bowl-shape.However, production and shape system in relation to first module 21 and the recess portion 210 can adjust on demand, however it is not limited to It is above-mentioned.

Second module, 22 system is made of multiple devices, the first table with corresponding first module 21 The second surface 22a in face, the protrusion 220 of opposite second surface 22a protrusion with one, and be formed at least around the protrusion 220 The groove 221 of one opposite second surface 22a recess.

In this present embodiment, 22 system of the second module is as male model, and the shape system of the protrusion 220 corresponds to the recess portion 210 Shape, and under the groove 221 view plane can in arcuation, continous way is cyclic annular or sectional-type annular, there is no particular restriction.

Furthermore second module 22 be for example caught in comprising a rectangle pedestal 22b, one block 22c in pedestal 22b, with And fix pedestal 22b and block 22c fixing piece (such as bolt, be in figure show the bolt with fixation hole 22d).Specifically Ground, pedestal 22b system correspond to the cuboid of first module 21, and its lower surface system is as second surface 22a, and the block A portion system of 22c is caught in the card hole 22e of pedestal 22b, and another part then protrudes the lower surface of pedestal 22a (i.e. the second surface 22a) using as the protrusion 220, and make the card hole 22e wall surface of pedestal 22b apical margin (i.e. close to this At two surface 22a) notch 22f is formed, to enable notch 22f and the side wall 22g of block 22c be constituted the groove 221.However, Production and shape system in relation to second module 22 can adjust on demand, however it is not limited to above-mentioned.

In using the paper with mold 2 when, the protrusion 220 can correspond in the recess portion 210 (for example, by this first Module 21 is closed with 22 phase lid of the second module).At this point, forming the chamber 23 between the protrusion 220 and recess portion 210, and first table Face 21a and second surface 22a system constitute the channel 24 (as shown in Figure 2 B), make the chamber 23, the channel 24 and the groove 221 systems are interconnected, and 24 system of channel is located between the chamber 23 and the groove 221.

Next, be with Fig. 3 A to 3F illustrate the present invention using the paper mould with mold 2 paper contour forming method.

As shown in Figure 3A, which is placed in a container 5 equipped with pulp material 3a, fills out pulp material 3a Enter in the recess portion 210.

In this present embodiment, the material system of pulp material 3a includes plant fiber material and its blended stock, for example, timber The blended stock of fiber-like, stem fiber-like, bast fiber class or seed hair fiber class and above-mentioned every fiber-like, wherein this implementation Example system is by taking lumber fibre class as an example.The type system of the related paper pulp raw material is to have usual knowledge in the technical field of the invention Known to person, its characteristic that so it will not be repeated.

Furthermore it can be initially formed releasing layer 6 in the recess portion 210, in favor of subsequent draft operation.

As shown in Figure 3B, fishing slurry operation is carried out, which is removed into the container 5, and enable and filling out in the recess portion 210 There is pulp material 3a.

As shown in Figure 3 C, first module 21 and 22 phase lid of the second module are closed, makes the protrusion 220 is corresponding to be located at the recess portion In 210, with present paper mould as shown in Figure 2 A with mold 2.At this point, the protrusion 220 squeezes the pulp material in the recess portion 210 3a, make pulp material 3a insert the paper mould with mold 2 chamber 23 and channel 24 in, and cooperate the adjustment of pressure parameter, Enable pulp material 3a insert the paper mould with mold 2 groove 221, an and then integrally formed pulp material filler 3, In, the pulp material filler 3 include positioned at one of the chamber 23 ontology 30, be located at one of the channel 24 extension 32, And it is located at one of the groove 221 rank portion 31, and be located at the position of the extension 32 between the ontology 30 and the rank portion 31.

In another embodiment, as shown in Figure 4 A, the edge of the first surface 21a of first module 21 can be equipped at least one Wall shape block piece 410, when squeezing the pulp material 3a in the recess portion 210 when the protrusion 220, which can moderately stop this Pulp material 3a overflow completely the paper mould with mold 2, and make a part pulp material 3a because mutual extrusion acts on, and can It returns and imports 221 internal shaping of groove.

As shown in Fig. 3 D to 3E, after the paper pulp filler 3 solidification, draft operation is carried out, is first to remove first module 21, then the pulp material filler 3 is taken out from second module 22.It should be appreciated that ground, also can first remove second module 22, then The pulp material filler 3 is taken out from first module 21.

In this present embodiment, which is in accommodating body, such as bowl-shape, box-like or analogous shape, is had with respect to it Be open 30a and bottom 30b, and the thickness D system of the ontology 30 is greater than the thickness T in the rank portion 31.

Furthermore 31 system, rank portion is from the inside of the edge opening 30a of the ontology 30 towards the direction of opening 30a (in such as Fig. 3 E Arrow direction A) extend, and ora terminalis (apical margin) 31a in the position of the extension 32 and the rank portion 31 is at a distance of a distance h (example Such as, which is located at the intersection between the ontology 30 and the rank portion 31), and from the edge opening 30a of the ontology 30 Outer lateral edge and the rank portion 31 extend in the direction (the arrow direction B in such as Fig. 3 E) of an angle R towards the ontology 30 outside, wherein should The degree system of angle R is greater than 0 degree and is less than 180 degree (as shown in FIGURE 3 E 90 degree).

As illustrated in Figure 3 F, the extension 32 is removed, to obtain the product 4 comprising the ontology 30 and the rank portion 31, and the system It is inwardly formed at the outer rim of product 4 ladder-like.

It in this present embodiment, is that the extension 32 is removed in a manner of excision.For example, the excision mode system is first by the ontology 30 (i.e. structure shown in Fig. 3 E inverts) upward, then with direction (opposite direction of arrow direction A as shown in FIGURE 3 E) from top to bottom Along 30 outer peripheral surface straight cuts of ontology (vertical butt formula i.e. lower with the cutting ring hand hay cutter) extension 32；Alternatively, the excision mode It is to detour cutting (i.e. to cut along (the arrow direction S as shown in Figure 4 B) clockwise or counterclockwise of 30 outer peripheral surface of ontology The ring cutting mode of knife) extension 32.It should be appreciated that ground, by the paper mould with mold 2 die parting line L (such as Fig. 3 C institute Show) root edge that has moved to the rank portion 31 by the apical margin in known rank portion, make the extension 32 be located at the ontology 30 and the rank portion 31 it Between, can avoid cutting when cause rank portion bend or breakage problem.

In conclusion the paper mould of the present invention with mold 2 and paper contour forming method in, be by by second module 22 are made of multiple devices to produce the groove 221, and the channel 24 is formed between the chamber 23 and the groove 221, Also known die parting line is moved down, is located at the extension 32 between the ontology 30 and the rank portion 31, therefore not only in draft It is avoided that generation interference in the process, and when removing the extension 32, cutting line (overlap the die parting line L) will not connect the rank portion 31 apical margin, thus the extension 32 will not bend the rank portion 31 when stress, therefore compared to known techniques, the paper of the present invention Mould with mold 2 be applied to product 4 made by paper manufacturing process and be able to maintain good complete rank portion structure, thus can be effective Engage its cover piece (upper cover 8 as illustrated in Figure 3 F) joined together.

Furthermore the paper mould of the present invention with mold 2 in use, only need time processing can integrally formed this there is rank The product 4 in portion 31, therefore compared to known techniques, the paper contour forming method of the present invention can substantially reduce Production Time, and drop Low manufacturing cost, it is thus possible to mass production and effectively promotion production capacity and yields.

Also, the paper mould of the present invention with mold 2 and manufacturing process can be used directly on existing paper die forming machine, Without modifying existing machine, more it is not necessary to cooperate specific board that could use.

In addition, as shown in fig. 5A to 5C, using the present invention paper mould with mold and paper contour forming method can be made into The paper products of various tool rank portions but different box-likes, such as 5a, 5b, 5c show that there is no particular restriction.

Principles and effects of above-described embodiment system the present invention is illustrated, and is not intended to limit the present invention.Appoint What the person skilled in the art can modify to above-described embodiment without prejudice under spirit and scope of the invention.Cause The rights protection scope of this present invention, should be as listed by the range of appended claims.

Claims (8)

1. a kind of mold of paper mould, internal to have interconnected chamber, channel and groove, wherein the groove is certainly The open end edge of the chamber extends towards opening direction, and the channel along with the groove in the direction of an angle towards described Extend outside chamber, the ora terminalis of the position and the groove that make the channel is at a distance of a distance, and the width of the chamber is greater than institute State the width of groove；

Intersection of the channel between the chamber and the groove；

The mold further include:

First module, with first surface, and the first surface is formed with an at least recess portion；And

Second module is made of multiple components, and has second surface and at least one relatively described second surface outstanding convex Portion, and the groove is formed on the second surface of second module and is located at around the protrusion；

Wherein, described after mutually covering conjunction with the second module when first module and make the protrusion is corresponding to be located in the recess portion First surface and the second surface constitute the channel, and the chamber is formed between the protrusion and the recess portion, make The chamber, the channel and the groove are interconnected, and friendship of the channel between the chamber and the groove At boundary.

2. mold as described in claim 1, wherein the first surface of first module is equipped with an at least block piece.

3. a kind of paper contour forming method, comprising:

One as in the described in any item molds of claim 1 to 2, formed pulp material filler in the chamber, channel with In groove, and the pulp material filler has ontology, the extension in the channel and the position being located in the chamber Rank portion in the groove, the ora terminalis of the position and the rank portion that make the extension is at a distance of a distance；

The mold is removed, to take out the pulp material filler；And

Remove the extension.

4. paper contour forming method as claimed in claim 3, wherein the thickness of the ontology is greater than the thickness in the rank portion.

5. paper contour forming method as claimed in claim 3, wherein described this system is in accommodating body, is opened with opposite Mouth and bottom.

6. paper contour forming method as claimed in claim 5, wherein the rank portion is from the open edge of the ontology towards described The direction of opening extends, and the extension from the open edge of the ontology along with the rank portion in the direction of an angle towards institute It states and extends outside ontology.

7. paper contour forming method as claimed in claim 3, wherein it is that the extension is removed in a manner of excision, and it is described Excision mode is to cut the extension along body peripheral face from the direction that the ontology extends along the rank portion.

8. paper contour forming method as claimed in claim 3, wherein it is that the extension is removed in a manner of excision, and it is described Excision mode is to cut the extension along the body peripheral face along the direction in the body peripheral face.