CN112476999A

CN112476999A - One-step forming casting mold for injection molding and polyurethane adding of real wood ornaments

Info

Publication number: CN112476999A
Application number: CN202011385252.2A
Authority: CN
Inventors: 林嵩驰; 王龙胜
Original assignee: Ningbo Junsheng Qunying Automobile System Co Ltd
Current assignee: Ningbo Junsheng Qunying Automobile System Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-12
Anticipated expiration: 2040-12-01
Also published as: CN112476999B

Abstract

The invention discloses a one-step molding casting mold for injection molding and polyurethane addition of real wood ornaments, which comprises a body, wherein the body is connected in a rotating manner around a central shaft, a plurality of mold cavities are arranged in the body, the structure of the mold cavities is the same, any one mold cavity is superposed with the other mold cavity after rotating around the central shaft, a wood skin layer is fixed in the mold cavity, different processing procedures are carried out on the wood skin layer on stations where different mold cavities are positioned, the same mold cavity is sequentially processed by the different processing procedures, the different processing procedures take the wood skin layer as a reference, fixing ribs are arranged on the wood skin layer in the circumferential direction, and fixing grooves for fixing the fixing ribs are arranged on the mold cavity in. The invention provides a one-step molding and pouring mold for injection molding and polyurethane addition of a real wood ornament, which avoids multiple positioning and fixing when two sides of the real wood ornament are respectively processed, thereby simplifying the steps, improving the production efficiency and ensuring the product quality.

Description

One-step forming casting mold for injection molding and polyurethane adding of real wood ornaments

Technical Field

The invention relates to the field of molds, in particular to a one-step molding and pouring mold for injection molding and polyurethane adding of a real wood ornament.

Background

Along with the continuous promotion of the standard of living, people also are more and more high to the requirement of the embellishment in the life, and wherein true wood type ornaments receive popular widely, but true wood type ornaments are difficult for installing in the installation, and appear damaging easily, are unfavorable for the long-term use of ornaments, so can process on the surface of true wood type ornaments.

The common processing method is to perform comprehensive injection molding or pouring on the surface of the real wood ornament, but in order to ensure the injection molding and pouring quality, the ornament is fixed firstly, and then injection molding or pouring is performed respectively from two sides of the ornament, so that the purpose of performing comprehensive injection molding or pouring on the surface of the real wood ornament is achieved.

However, when different injection molding materials are required to be injected on two sides of the ornament respectively or when one side of the ornament is injected and one side of the ornament is poured, the process of positioning and mounting needs to be carried out for multiple times, the steps are complex, the production efficiency is low, and the condition that the quality of the finished product does not reach the standard easily occurs.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: when two sides of the real wood ornaments are respectively processed, the real wood ornaments are prevented from being positioned and fixed for a plurality of times, so that the real wood ornament injection molding and polyurethane one-step molding casting mold is realized, the steps are simplified, the production efficiency is improved, and the product quality is ensured.

The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a true wood gadget moulds plastics and adds one step of shaping casting mold of polyurethane, the body rotates around a center pin to be connected, this internal a plurality of die cavitys that are equipped with, it is a plurality of the die cavity structure is the same, arbitrary one the die cavity is rotating the back around the center pin and is coincideing with another die cavity, the die cavity internal fixation has the wooden cortex, the wooden cortex carries out different manufacturing procedure, difference on the station that the die cavity of difference was located, manufacturing procedure processes same die cavity in proper order, and is different the manufacturing procedure all uses the wooden cortex as the benchmark, be equipped with fixed muscle in the circumference of wooden cortex, be equipped with the fixed slot that is used for fixed muscle in the circumference of die cavity.

Compared with the prior art, the invention has the advantages that: through the design of a plurality of die cavitys, the initial station of each die cavity is used for going on of different procedure, through the body around center pin pivoted technical characteristic, realize carrying out the purpose of processing many times to a wooden skin layer, in a lot of course of working, the wooden skin layer only carries out location installation once, simple step, high production efficiency, the probability that quality problems appears in the finished product has also been reduced, and simultaneously, in a complete production process, a plurality of manufacturing procedure can go on simultaneously, the process time has been saved, and the production efficiency is further improved.

Two die cavities are arranged in the body, the two die cavities have the same structure, one die cavity is overlapped with the other die cavity after rotating 180 degrees around the central shaft, a wood skin layer is fixed in the die cavity, one side of the wood skin layer is used for injection molding of plastics, the other side of the wood skin layer is used for casting molding of polyurethane, the body comprises a first station for plastic injection molding and a second station for polyurethane casting molding, the die cavity rotates 180 degrees around the central shaft to reach a second station after being injected at a first station, one end of the second station is provided with an ester adding device for polyurethane, the ester adding device is detachably connected with the second station, one-time positioning is realized through the improvement, the wood veneer layer is respectively subjected to the processing procedures of plastic injection molding and polyurethane casting molding, and the purpose of polyurethane addition on different mold cavities at a second station is also achieved.

As an improvement of the invention, the central shaft is a horizontal shaft, the second station is arranged above the first station, the die cavity is obliquely arranged, the ester adding device is arranged at one end of the second station close to the first station, and through the improvement, the die cavity is obliquely designed, and the ester adding device adds ester from the bottom end to the high end of the die cavity, so that the discharge of gas in the die cavity in the ester adding process is facilitated, and the product quality is ensured.

As an improvement of the invention, the included angle formed between the die cavity and the horizontal plane is 20 degrees, and the yield is the highest under the angle through experiments.

As an improvement of the invention, the other end of the second station is provided with the exhaust cylinder, and the exhaust cylinder is detachably connected with the second station.

As an improvement of the invention, the inner peripheral wall of the mold cavity is provided with a demolding coating, and the improvement is favorable for smooth demolding after the injection molding and the pouring are finished.

As an improvement of the invention, the two die cavities are respectively arranged in the two forming dies, the two forming dies are arranged in one positioning die, the positioning die comprises a front die and a rear die, and a guide component is arranged at the joint of the front die and the rear die.

As an improvement of the invention, the positioning die is in a quadrangular prism shape, the guide assembly comprises four groups of guide lugs and guide grooves which are matched with each other to realize guide installation, the four groups of guide lugs and guide grooves are respectively arranged on four edges of the positioning die, and the joints of the guide lugs and the guide grooves are abutted through guide inclined planes.

As an improvement of the invention, one side of the mold cavity for injection molding is provided with a plurality of sheet-shaped injection molding cavities, one side of each injection molding cavity is provided with a molding rod, and the axis of the molding rod is provided with an air outlet pipeline.

As an improvement of the invention, one end of the molding rod, which is connected with the injection molding cavity, is provided with a connecting surface, the connecting surface is in coplanar connection with the plane of the injection molding cavity, the other end of the molding rod is provided with an anti-rotation block, the other end of the molding rod is provided with a fixing component, the fixing component is provided with an anti-rotation groove, and the anti-rotation block is fixedly connected in the anti-rotation groove.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the mold cavity of the present invention.

FIG. 3 is a schematic view of the structure of the injection-molded and polyaddition polyurethane of the present invention.

FIG. 4 is an exploded view of the positioning die and the die cavity of the present invention.

FIG. 5 is a schematic view of the injection molding cavity of the present invention.

FIG. 6 is a schematic view of a shaped rod according to the present invention.

FIG. 7 is a schematic view of the mounting structure of the forming rod of the present invention.

Shown in the figure: 1. the mould cavity, 1.1, the fixed slot, 2, the wooden cortex, 2.1, fixed muscle, 3, plastics, 4, polyurethane, 5, first station, 6, the second station, 7, add ester ware, 8, the air cylinder, 9, positioning die, 9.1, the front mould, 9.2, the back mould, 10, the direction subassembly, 10.1, the direction lug, 10.2, the direction recess, 11, the chamber of moulding plastics, 12, the shaping stick, 12.1, connect the face, 12.2, prevent changeing the piece, 12.3, the pipeline of giving vent to anger, 13, fixed subassembly, 14, forming die.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings.

As shown in FIGS. 1-3, a one-step molding and casting mold for injection molding and polyurethane molding of a real wood ornament comprises a body, the body is connected in a rotating way around a central shaft, two die cavities 1 are arranged in the body, the two die cavities 1 have the same structure, one die cavity 1 is superposed with the other die cavity 1 after rotating around the central shaft for 180 degrees, a wood skin layer 2 is fixed in the die cavity 1, one side of the wood skin layer 2 is used for injection molding of plastic 3, the other side of the wood skin layer 2 is used for casting and molding the polyurethane 4, the injection molding structure of the plastic 3 is a common injection molding structure, the same mold cavity is sequentially processed by injection molding and casting molding, the injection molding and the casting molding both take the wood skin layer 2 as a reference, be equipped with fixed muscle 2.1 in the circumference of cortex 2, be equipped with the fixed slot 1.1 that is used for fixed muscle 2.1 in the circumference of die cavity 1.

The body is including being used for 3 injection moulding's of plastics first station 5 and being used for 4 casting moulding's of polyurethane second station 6, die cavity 1 moulds plastics the back at first station 5, rotates 180 degrees around the center pin and reachs second station 6, the one end of second station 6 is equipped with the ester ware 7 that adds that is used for adding polyurethane 4, ester ware 7 can be dismantled with second station 6 and be connected, the center pin is the horizontal axis, and first station 5's top is located to second station 6, die cavity 1 is the slope setting, and the contained angle that forms between die cavity 1 and the horizontal plane is 20 degrees, the one end that second station 6 is close to first station 5 is located to ester ware 7, the other end of second station 6 is equipped with exhaust cylinder 8, exhaust cylinder 8 can be dismantled with second station 6 and be connected.

And a demolding coating is arranged on the inner peripheral wall of the mold cavity 1.

As shown in fig. 1, 3 and 4, two mold cavities 1 are respectively arranged in two forming molds 14, the two forming molds 14 are arranged in one positioning mold 9, the positioning mold 9 includes a front mold 9.1 and a rear mold 9.2, a guide assembly 10 is arranged at a joint of the front mold 9.1 and the rear mold 9.2, the positioning mold is in a quadrangular shape, the guide assembly 10 includes four sets of guide protrusions 10.1 and guide grooves 10.2 which are matched to realize guide installation, the four sets of guide protrusions 10.1 and guide grooves 10.2 are respectively arranged on four edges of the positioning mold, the guide protrusions 10.1 are arranged on the rear mold 9.2, the guide grooves 10.2 are arranged on the front mold 9.1, and joints of the guide protrusions 10.1 and the guide grooves 10.2 are abutted through guide inclined planes.

As shown in fig. 5, 6 and 7, one side of the mold cavity 1 for injection molding is provided with a plurality of sheet-shaped injection molding cavities 11, each of the injection molding cavities 11 is provided with a molding rod 12, the axis of the molding rod 12 is provided with an air outlet pipeline 12.3, one end of the molding rod 12 connected with the injection molding cavity 11 is provided with a connecting surface 12.1, the connecting surface 12.1 is in coplanar connection with the plane of the injection molding cavity 11, the other end of the molding rod 12 is provided with an anti-rotation block 12.2, the other end of the molding rod 12 is provided with a fixing component 13, the fixing component 13 is provided with an anti-rotation groove, and the anti-rotation block 12.2 is fixedly connected in the anti-rotation groove.

In the embodiment shown in fig. 2, the present invention has two mold cavities 1, and each mold cavity 1 can process three real wood ornaments.

Correspondingly, according to the structural characteristics of the invention, the invention can also be applied to the structures of the three-die cavity 1 and the four-die cavity 1, for example, in the three-die cavity 1, the movement of the die cavity 1 on different stations can be realized by rotating the body by 120 degrees around the center, and in the four-die cavity 1, the movement of the die cavity 1 on different stations can be realized by rotating the body by 90 degrees around the center.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.

Claims

1. The utility model provides a real wood gadget is moulded plastics and is added one step of shaping casting mold of polyurethane, includes the body, its characterized in that: the body rotates around a center pin to be connected, this internal a plurality of die cavitys (1) that are equipped with, it is a plurality of die cavity (1) structure is the same, arbitrary one die cavity (1) coincide with another die cavity (1) after rotating around the center pin, die cavity (1) internal fixation has wooden cortex (2), different manufacturing procedure is carried out on wooden cortex (2) on the station that die cavity (1) of difference located, and is different manufacturing procedure processes same die cavity in proper order, and is different wooden cortex (2) all uses as the benchmark, be equipped with fixed muscle (2.1) in the circumference of wooden cortex (2), be equipped with fixed slot (1.1) that are used for fixed muscle (2.1) in the circumference of die cavity (1).

2. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 1, wherein: two die cavities (1) are arranged in the body, the two die cavities (1) have the same structure, one die cavity (1) is superposed with the other die cavity (1) after rotating for 180 degrees around a central shaft, a wooden skin layer (2) is fixed in the die cavity (1), one side of the wooden skin layer (2) is used for injection molding of the plastic (3), the other side of the wood skin layer (2) is used for casting and molding polyurethane (4), the body comprises a first station (5) for injection moulding of the plastic (3) and a second station (6) for casting of the polyurethane (4), the die cavity (1) rotates 180 degrees around the central shaft to reach a second station (6) after being injected at a first station (5), one end of the second station (6) is provided with an ester adding device (7) for adding polyurethane (4), and the ester adding device (7) is detachably connected with the second station (6).

3. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 2, wherein: the central shaft is a horizontal shaft, the second station (6) is arranged above the first station (5), the die cavity (1) is obliquely arranged, and the ester adding device (7) is arranged at one end, close to the first station (5), of the second station (6).

4. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 3, wherein: and an included angle formed between the die cavity (1) and the horizontal plane is 20 degrees.

5. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in any one of claims 2 to 4, wherein: the other end of the second station (6) is provided with an exhaust cylinder (8), and the exhaust cylinder (8) is detachably connected with the second station (6).

6. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 1, wherein: and the inner peripheral wall of the die cavity (1) is provided with a demoulding coating.

7. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 1, wherein: the two die cavities (1) are respectively arranged in the two forming dies (14), the two forming dies (14) are arranged in one positioning die (9), the positioning die (9) comprises a front die (9.1) and a rear die (9.2), and a guide assembly (10) is arranged at the joint of the front die (9.1) and the rear die (9.2).

8. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 7, wherein: the positioning die is in a quadrangular prism shape, the guide assembly (10) comprises four groups of guide lugs (10.1) and guide grooves (10.2) which are matched with each other to realize guide installation, the four groups of guide lugs (10.1) and the four groups of guide grooves (10.2) are respectively arranged on four edges of the positioning die, and the joints of the guide lugs (10.1) and the guide grooves (10.2) are abutted through guide inclined planes.

9. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 1, wherein: one side of the die cavity (1) used for injection molding is provided with a plurality of sheet-shaped injection molding cavities (11), one side of each injection molding cavity (11) is provided with a molding rod (12), and the axis of each molding rod (12) is provided with an air outlet pipeline (12.3).

10. The one-step molding and casting mold for injection molding and polyurethane molding of wood ornaments as claimed in claim 9, wherein: the one end that becomes moulding rod (12) and injection molding chamber (11) and link to each other is equipped with connects face (12.1), connect face (12.1) and the plane coplane of injection molding chamber (11) and be connected, the other end that becomes moulding rod (12) is equipped with prevents changeing piece (12.2), and the other end that becomes moulding rod (12) is equipped with fixed subassembly (13), be equipped with the anti-rotation groove on fixed subassembly (13), prevent changeing piece (12.2) fixed connection at the anti-rotation groove.