CN212860365U - Cladding die - Google Patents

Abstract

The utility model provides a cladding mould for the cladding of different diameter pipe section bars, including the oral siphon board that sets up in order, cross cab apron, template board and back clamp plate, the oral siphon board, cross the mandrel chamber that the middle part of cab apron and template board is formed with the different diameter pipe section bar mandrels of holding, be provided with first feedstock channel on the template board, first feedstock channel link up in the mandrel intracavity in the template board, be provided with second feedstock channel on the oral siphon board, wherein, first feedstock channel with second feedstock channel intercommunication. The utility model discloses a set up the cab apron between oral siphon board and mould body board, inside sets up the core die cavity of different diameters to can be used for the cladding of different diameter pipe section bars, solved among the prior art only the problem of cladding single diameter pipe section bar.

Description

Cladding die

Technical Field

The utility model belongs to the mould field, concretely relates to but mould of cladding abnormal shape pipeline.

Background

The conventional molding method is to coat a liquid coating layer on the molded part to achieve a certain effect, and the liquid coating layer is solidified to form a solid state after post-curing. If the coating die is unreasonable in design, the liquid coating layer is easy to form the phenomenon of uneven thickness, and the liquid coating layer is also easy to leak before solidification, so that the product cannot meet the requirements or is reworked, and the production quality and progress are seriously affected.

The existing coating die is single in structure, adopts a cylindrical pipe machine head structure and a plastic circular structure from a die plate, and coated plastics cannot closely stick to a pipe and a section bar which pass through, so that the outer surface of the plastic coating is uneven, and the quality and the attractiveness are affected.

Disclosure of Invention

An object of the utility model is to provide a cladding mould, it can solve the problem of cladding single model among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a cladding mould for the cladding of different diameter pipe section bars, includes the oral siphon board that sets up in order, crosses cab apron, die body board and back clamp plate, the middle part of oral siphon board, cross cab apron and die body board is formed with the mandrel chamber that can the different diameter pipe section bar mandrels of holding, be provided with first feedstock channel on the die body board, first feedstock channel link up in the mandrel intracavity in the die body board, be provided with second feedstock channel on the oral siphon board, wherein, first feedstock channel with second feedstock channel intercommunication.

As a further optimization of the present invention, the first feeding channel includes an upper flow passage and a lower flow passage, and the upper flow passage and the lower flow passage are communicated through an intermediate flow passage.

As the utility model discloses a further optimization, go up the runner with the runner is in it forms transition runner to cross cab apron department to introduce the cladding material of first feedstock channel to a mouthful template from the template board.

As the utility model discloses a further optimization, be provided with straight runner in the oral siphon board, straight runner's one end intercommunication transition runner, other end intercommunication have the discharge gate.

As a further optimization of the present invention, the core mold cavity is internally provided with a plurality of cavities capable of accommodating the core mold to simultaneously coat a plurality of pipe profiles.

As the utility model discloses a further optimization, the core die cavity is two, is first die cavity and second die cavity respectively, first die cavity and second die cavity symmetry set up.

As a further optimization of the utility model, the mouth template the cab apron cross the template board with pass through the bolt fastening between the back clamp plate.

As a further optimization of the present invention, the second feed channel is an annular channel.

Compared with the prior art, the utility model discloses a cladding mould has following advantage:

(1) the utility model discloses a cladding mould, it is through setting up the cab apron between oral siphon board and die body board, and inside sets up the core die cavity of different diameters to can be used for the cladding of different diameter pipe section bars, it has solved the problem that only cladding single diameter pipe section bar among the prior art. And simultaneously, the utility model discloses a department is provided with second feedstock channel in the oral cavity template, and the annular runner that forms through second feedstock channel carries out the secondary cladding, can change the rank of plastics, and the inlayer is with retrieving the raw materials, and outer new material that uses practices thrift the cost of raw and other materials, also can change outer colour.

(2) The utility model discloses a bundle mould, its core die cavity can set up to a plurality of to realized the purpose that once only can cladding a plurality of pipe section bars simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a cross-sectional view of the coating die of the present invention;

fig. 2 is a front view of a first covering mold of the present invention;

fig. 3 is a front view of a second cladding mold of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-3, the utility model provides a cladding mould, this cladding mould are used for the cladding of different diameter pipe section bars, including the oral cavity template 1 that sets up in order, cross cab apron 2, mould body board 3 and back pressure plate 4, oral cavity template 1, the middle part of crossing cab apron 2 and mould body board 3 are formed with the mandrel chamber 5 that can hold different diameter pipe section bar mandrels, be provided with first feedstock channel 31 on the mould body board 3, first feedstock channel 31 link up in the mandrel chamber 5 in the mould body board 3, be provided with second feedstock channel 13 on the oral cavity template 1, wherein, first feedstock channel 31 with second feedstock channel 13 communicates. Wherein, the first feed channel 31 comprises an upper flow passage 32 and a lower flow passage 33, and the upper flow passage 32 and the lower flow passage 33 are communicated through an intermediate flow passage 34. Preferably, the second feed channel 13 is an annular channel.

The utility model discloses a cladding mould, it sets up the cab apron between oral siphon board and die body board, and inside sets up the core die cavity of different diameters to can be used for the cladding of different diameter pipe section bars, solved among the prior art only the problem of cladding single diameter pipe section bar. The upper and lower runners of the corresponding core mold in the mold plate are distributed by upper and lower fan-shaped fluids, the upper and lower runners are divided, the flow rate of the melt is uniform, and the defects of poor coating effect of the previous cylindrical feeding and the like are overcome. And simultaneously, the utility model discloses a department is provided with second feedstock channel in the oral cavity template, and the annular runner that forms through second feedstock channel carries out the secondary cladding, can change the rank of plastics, and the inlayer is with retrieving the raw materials, and outer new material that uses practices thrift the cost of raw and other materials, also can change outer colour.

In addition, the upper runner 32 and the lower runner 33 form a transition runner 21 at the transition plate 2 to introduce the clad material of the first feed channel from the die plate 3 to the die plate 1. The die plate 1 is internally provided with a straight flow passage 11, one end of the straight flow passage 11 is communicated with a transition flow passage 21, and the other end is communicated with a discharge hole 12. In the above, the second feeding channel 13 is further defined, and the second feeding channel 13 is communicated with the straight flow channel 11 for secondary coating.

The cladding die is characterized in that a runner is machined through a machining center, grinding and polishing are carried out, molten plastic enters from a feeding channel of a die body, a part of the plastic flows from an upper runner and enters a sector runner, a part of the plastic enters a sector runner at the bottom from a middle runner of a core die, the molten plastic of two runners is subjected to confluence and pressure before passing a transition plate, an even inlet die plate straight runner is uniformly formed, the plastic of an upper small groove and a lower small groove at the front end of the core die is bonded with a pipe or a section, meanwhile, the plastic at the periphery is uniformly coated, the effect is bonded firmly, and the appearance is smooth.

As shown in fig. 3, the cladding die according to the present invention preferably has a plurality of cavities for accommodating the core die in the core die cavity 5 to simultaneously clad a plurality of pipe profiles. Preferably, the number of the core cavities 5 is two, namely a first cavity 51 and a second cavity 52, and the first cavity 51 and the second cavity 52 are symmetrically arranged.

In order to make the cladding dies firmer, the die plate 1, the transition plate 2, the die plate 3 and the back pressure plate 4 are fixed by bolts 6.

The mould is an improved mould structure for coating the outer layers of plastic pipes or sectional materials with different diameters, one pipe or two pipe or sectional materials are penetrated through or simultaneously penetrated through, and only the outer layer is coated if one pipe or sectional material is penetrated through while the outer layer is coated; if the two plastic layers penetrate through the two plastic layers, the partially melted plastic enters the middle of the two plastic layers, the two plastic layers are firmly bonded, and the outer layers are covered. The coated pipe can be used independently, and can also be used for secondary winding forming to manufacture large pipes.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a cladding mould for the cladding of different diameter pipe section, its characterized in that: including the oral cavity template (1), the cab apron (2), the mould body board (3) and the back clamp plate (4) that set up in order, the middle part of oral cavity template (1), cab apron (2) and mould body board (3) is formed with core mould chamber (5) that can the holding different diameter tubular section bar core moulds, be provided with first feedstock channel (31) on mould body board (3), first feedstock channel (31) link up in core mould chamber (5) in mould body board (3), be provided with second feedstock channel (13) on oral cavity template (1), wherein, first feedstock channel (31) with second feedstock channel (13) intercommunication.

2. The overmold of claim 1, wherein: the first feeding channel (31) comprises an upper flow channel (32) and a lower flow channel (33), and the upper flow channel (32) is communicated with the lower flow channel (33) through an intermediate flow channel (34).

3. The overmold of claim 2, wherein: the upper flow channel (32) and the lower flow channel (33) form a transition flow channel (21) at the transition plate (2) for introducing the cladding of the first feed channel from the die plate (3) to the die plate (1).

4. The overmold of claim 3, wherein: a straight flow channel (11) is arranged in the die plate (1), one end of the straight flow channel (11) is communicated with the transition flow channel (21), and the other end of the straight flow channel is communicated with a discharge hole (12).

5. The overmold of any of claims 1-4, wherein: the core die cavity (5) is internally provided with a plurality of cavities capable of accommodating core dies so as to simultaneously coat a plurality of pipe profiles.

6. The overmold of claim 5, wherein: the number of the core die cavities (5) is two, the core die cavities are respectively a first die cavity (51) and a second die cavity (52), and the first die cavity (51) and the second die cavity (52) are symmetrically arranged.

7. The overmold of claim 1, wherein: the die plate (1), the transition plate (2), the die plate (3) and the rear pressing plate (4) are fixed through bolts (6).

8. The overmold of claim 1, wherein: the second feed channel (13) is an annular channel.

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