阅读说明：本技术 一种木塑门板微发泡成型设备及其使用方法 (Micro-foaming forming equipment for wood-plastic door plate and using method thereof ) 是由 陈志刚 赵喜民 李存杰 李太祥 刘李杨 刘先顺 张帅 于 2019-12-08 设计创作，主要内容包括：本发明涉及木塑生产技术,尤其涉及一种木塑门板微发泡成型设备及方法。一种木塑门板微发泡成型设备,包括挤出机及挤出模具,所述挤出模具包括汇流模块,所述汇流模块内设置有芯棒,所述芯棒之间竖直设置有挡片,挡片的上、下端面与汇流模块固定连接。本发明结构新颖,挡片的设置可实现将木塑物料分割成若干物料单元,这样每个物料单元之间互不影响,每个物料单元之间不会发生串流的现象,确保了每个物料单元的物料流量均衡及物料压力一致,保证了物料单元与芯棒之间的摩擦力保持稳定。(The invention relates to a wood-plastic production technology, in particular to a wood-plastic door plate micro-foaming forming device and method. The utility model provides a wood-plastic door board foaming former that declines, includes extruder and extrusion tooling, extrusion tooling is including converging the module, it is provided with the plug to converge in the module, the vertical separation blade that is provided with between the plug, the upper and lower terminal surface and the module fixed connection that converges of separation blade. The wood-plastic composite material separating device is novel in structure, the wood-plastic composite material can be separated into a plurality of material units through the arrangement of the blocking pieces, so that the material units are not affected with each other, the phenomenon of series flow cannot occur between the material units, the material flow balance and the material pressure consistency of the material units are ensured, and the friction force between the material units and the core rod is kept stable.)

1. The utility model provides a wood-plastic door board foaming former that declines, includes extruder and extrusion tooling, its characterized in that, extrusion tooling is including converging module (15), be provided with plug (12) in the module (15) that converges, vertically between plug (12) be provided with separation blade (11), the upper and lower terminal surface and the module (15) fixed connection that converges of separation blade (11).

2. The wood-plastic door sheet micro-foaming molding device according to claim 1, wherein the confluence module (15) comprises a confluence plate (16) and a flow plate (17), the confluence plate (16) is funnel-shaped towards the opening of the extruder, and the baffle plate (11) is located in the space inside the confluence plate (16) and the flow plate (17).

3. The wood-plastic door plank micro-foaming molding device according to claim 1, wherein the baffle plate (11) is on the symmetry plane of two adjacent core rods (12).

4. The wood-plastic door sheet micro-foaming forming device according to claim 1, wherein the discharge end of the confluence module (15) is further fixedly connected with a discharge plate (18), and the end of the mandrel (12) is positioned in the discharge plate (18).

5. The wood-plastic door sheet micro-foaming forming device according to claim 1, wherein a feeding end of the confluence module (15) is fixedly connected with the mandrel support plate (9), and the mandrel (12) is fixedly arranged on the mandrel support plate (9) and extends into the confluence module (15).

6. The wood-plastic door sheet micro-foaming forming device according to claim 5, wherein the mandrel support plate (9) is hollow in the middle, a plurality of mandrels (12) are uniformly distributed, the upper surface and the lower surface of each mandrel (12) are fixedly connected with the upper inner wall and the lower inner wall of the mandrel support plate (9) through the mandrel support (10), the mandrels (12) are fixedly connected with the side walls of the mandrel support plate (9) through the transverse plate (14), and the mandrel supports (10) are located on the same side of the axis of the mandrels (12).

7. The wood-plastic door sheet micro-foaming forming device is characterized in that a shunting cone support plate (6) is fixedly connected to a feeding end of a core rod support plate (9), the shunting cone support plate (6) is hollow in the middle and is fixedly connected with a plurality of shunting cones (8) inside, and the shunting cones (8) and the shunting cone support plate (6) divide the hollow space of the shunting cone support plate (6) into a plurality of flow channels (7).

8. The wood-plastic door plate micro-foaming forming equipment is characterized in that the shunting cones (8) are connected through a connecting plate, the shunting cones (8) at two ends are fixedly connected with the inner side wall of the shunting cone support plate (6) through the connecting plate, the shunting cones (8) shrink towards the direction of the extruder, and the longitudinal sections of the shunting cones are integrally triangular.

9. The wood-plastic door sheet micro-foaming forming device is characterized in that a second module (1) is fixedly connected to a feeding end of the splitter cone support plate (6), a first module (2) is fixedly connected to a feeding end of the second module (1), material distributing bodies (4) are fixedly arranged in the first module (2) and the second module (1), and a feeding port (3) is formed in the first module (2).

10. The use method of the wood-plastic door plate micro-foaming forming equipment is characterized in that the wood-plastic material enters a confluence module (15) of an extrusion die after being extruded by an extruder, the wood-plastic material is divided into a plurality of square material units around a core rod (12) through a baffle (11), the wood-plastic material is formed into a plurality of equal material units through the baffle (11), and the wood-plastic material is only converged at an outlet of a discharge plate (18).

11. The use method of the wood-plastic door panel micro-foaming forming device according to claim 10,

the feeding end of the confluence module (15) is fixedly connected with the core rod support plate (9), and the core rod (12) is fixedly arranged on the core rod support plate (9) and extends into the confluence module (15);

the middle of the core rod support plate (9) is hollow, a plurality of core rods (12) are uniformly distributed, the upper surfaces and the lower surfaces of the core rods (12) are fixedly connected with the upper inner wall and the lower inner wall of the core rod support plate (9) through core rod supports (10), the core rods (12) and the side walls of the core rods (12) and the core rod support plate (9) are fixedly connected through transverse plates (14), and the core rod supports (10) are located on the same side of the axis of the core rods (12);

a shunting cone support plate (6) is fixedly connected to the feeding end of the core rod support plate (9), the shunting cone support plate (6) is hollow in the middle and is fixedly connected with a plurality of shunting cones (8), and the shunting cones (8) and the shunting cone support plate (6) divide the hollow space of the shunting cone support plate (6) into a plurality of flow channels (7);

the shunting cones (8) are connected through a connecting plate, the shunting cones (8) at two ends are fixedly connected with the inner side wall of the shunting cone support plate (6) through the connecting plate, the shunting cones (8) contract towards the direction of the extruder, and the longitudinal sections of the shunting cones are integrally triangular;

the connecting plate is tightly attached to the transverse plate (14) and is positioned on the same horizontal plane,

the wood-plastic material enters the shunting cone support body (6) and is divided into a plurality of parts to move forwards through the flow channel, the wood-plastic material is divided into an upper layer material flow and a lower layer material flow by the connecting plate and the transverse plate (14), the upper layer material flow and the lower layer material flow which are opposite to each other are converged at the tail end of the connecting plate, and the material flow is divided into material units by the retaining pieces (11).

Technical Field

The invention relates to a wood-plastic production technology, in particular to a wood-plastic door plate micro-foaming forming device and a using method thereof.

Background

The wood-plastic composite material has a series of special properties superior to wood and plastic, and has wood appearance and secondary processability similar to wood. The wood-plastic material has better dimensional stability than wood, small water absorption, no wormy damage, no crack and warping deformation like the grade, has the processability of thermoplastic plastics, has higher hardness than plastics, and is wear-resistant, ageing-resistant and corrosion-resistant. The micro-foaming wood-plastic composite material formed by introducing very small cells into the wood-plastic composite material through the gas core has the advantages that a good cell structure exists in the printing material, so that the tips of cracks can be passivated, and the cracks can be prevented from expanding; thereby effectively overcoming the defects of large brittleness, low ductility and low impact stress of the common wood-plastic composite material. However, in the process of producing the micro-foamed wood-plastic door plate by adopting the prior art, due to the defects existing in the mold design, the outer surface of the door plate has stripes with different chromaticities, especially the stripes are easily formed at the joints of the reinforcing ribs and the panel, and the color difference defect has great influence on the later-stage door plate appearance.

The factors of color difference are more, the foaming of the wood-plastic material is uneven, the foam size is different, the pressure in the mold is uneven, series flow is formed in the flowing process of the wood-plastic material, and particularly the series flow between a surface wall flow channel (a flow channel between a core rod and a mold shell) and a reinforcing rib flow channel (a flow channel between the core rod and the core rod) directly influences the appearance surface of the panel.

Disclosure of Invention

Aiming at the problems, the invention provides wood-plastic door plate micro-foaming forming equipment and a using method thereof, which have the advantages of simple and ingenious structure and convenience in operation, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a wood-plastic door board foaming former that declines, includes extruder and extrusion tooling, extrusion tooling is including converging the module, it is provided with the plug to converge in the module, the vertical separation blade that is provided with between the plug, the upper and lower terminal surface and the module fixed connection that converges of separation blade.

Specifically, the module that converges includes the cylinder manifold and the advection board, the cylinder manifold is towards the opening of extruder and leaks hopper-shaped, the separation blade is located the space of cylinder manifold and advection inboard.

Specifically, the baffle plate is positioned on the symmetrical surfaces of two adjacent core rods.

Specifically, the discharge end of the confluence module is fixedly connected with a discharge plate, and the end part of the core rod is positioned in the discharge plate.

Specifically, the feeding end of the confluence module is fixedly connected with a core rod support plate, and the core rod is fixedly arranged on the core rod support plate and extends into the confluence module.

Preferably, the middle of the core rod support plate is hollow, a plurality of core rods are uniformly distributed, the upper surface and the lower surface of each core rod are fixedly connected with the upper inner wall and the lower inner wall of the core rod support plate through core rod supports, the core rods are fixedly connected with the side walls of the core rod support plate through transverse plates, and the core rod supports are located on the same side of the axis of the core rods.

Preferably, the feeding end of the core rod support plate is fixedly connected with a spreader cone support plate, the middle part of the spreader cone support plate is hollow, and a plurality of spreader cones are fixedly connected in the spreader cone support plate, and the spreader cones and the spreader cone support plate divide the hollow space of the spreader cone support plate into a plurality of flow channels.

Preferably, the diffluence cones are connected through a connecting plate, the diffluence cones at two ends are fixedly connected with the inner side wall of the diffluence cone support plate through the connecting plate, the diffluence cones shrink towards the direction of the extruder, and the longitudinal sections of the diffluence cones are integrally triangular.

Preferably, the feeding end of the shunting cone support plate is fixedly connected with a second module, the feeding end of the second module is fixedly connected with a first module, material distributing bodies are fixedly arranged in the first module and the second module, and a feeding port is formed in the first module.

The invention also provides a use method of the wood-plastic door plate micro-foaming forming equipment, the wood-plastic material is extruded by the extruder and enters the confluence module of the extrusion die, the wood-plastic material is divided into a plurality of square material units by the baffle plate around the core rod, the wood-plastic material is formed into a plurality of equal material units by the baffle plate, and the wood-plastic material is only converged at the outlet of the discharge plate.

Specifically, the connecting plate is tightly attached to the transverse plate and located on the same horizontal plane, the wood-plastic material enters the spreader bracket body and is divided into a plurality of parts to move forwards through the flow channel, the wood-plastic material is divided into an upper layer material flow and a lower layer material flow by the connecting plate and the transverse plate, the upper layer material flow and the lower layer material flow are opposite to each other at the tail end of the connecting plate, and the upper layer material flow and the lower layer material flow are converged and are divided into material units by.

Compared with the prior art, the invention has the beneficial effects that: due to the arrangement of the blocking pieces, the wood-plastic material can be divided into a plurality of material units, so that each material unit is not affected, the phenomenon of series flow cannot occur between every two material units, the material flow balance and the material pressure consistency of every material unit are ensured, and the friction force between the material units and the core rod is kept stable. Because the cross section of the reinforcing rib runner is reduced, the flow quantity of materials between the face wall runner and the reinforcing rib runner is reduced, and the influence of series flow is reduced.

In addition, the runner of upper and lower layering is realized by adopting the connecting plate and the transverse plate, and after material flows in the runner of upper and lower layering are converged and mixed, the material units are divided by the baffle plates, so that the wood-plastic material is mixed more uniformly, and the temperature of the wood-plastic material is uniform. The existence of the baffle can reduce the cross section of the flowing space of the wood-plastic material, the resistance generated in the extrusion die is larger, the compression force to the material is larger, and the material is more compact; the stress is more uniform. The separation blade is connected with the module that converges, and the separation blade still has the effect of temperature conduction, also can improve the homogeneity of the temperature of wood-plastic material, can further improve the even degree of material foaming, can eliminate the product colour difference, and is simple ingenious, reasonable compact.

Drawings

FIG. 1 is a front view of a first module and a second module;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a front view of a manifold cone mounting plate;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

FIG. 6 is a front view of a mandrel holder plate;

FIG. 7 is a sectional view taken along line E-E in FIG. 6;

FIG. 8 is a sectional view taken along line D-D of FIG. 6;

FIG. 9 is a front view of a bus bar module;

FIG. 10 is a schematic view of a bus bar module;

FIG. 11 is a side cross-sectional view of a bus bar module;

FIG. 12 is a front view of the take-off plate;

FIG. 13 is a schematic structural view of a discharge plate;

FIG. 14 is a side cross-sectional view of the outfeed plate;

FIG. 15 is an enlarged view of portion F of FIG. 7;

FIG. 16 is a schematic structural view of the present invention;

fig. 17 is a schematic view of the present invention with the dispensing body removed.

In the figure: 1-a second module, 2-a first module, 3-a feed inlet, 4-a material separating body, 5-a cavity runner, 6-a spreader cone support plate, 7-a runner, 8-a spreader cone, 9-a mandrel support plate, 10-a mandrel support, 11-a baffle, 12-a mandrel, 13-a gap, 14-a transverse plate, 15-a confluence module, 16-a confluence plate, 17-a advection plate and 18-a discharge plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

A wood-plastic door plate micro-foaming forming device comprises an extruder and an extrusion die.

The extrusion module comprises a first module 2, a second module 1, a spreader cone support plate 6, a core rod support plate 9, a core rod 12, a confluence module 15 and a discharge plate 18.

A feeding port (3) is formed in the first module (2), the feeding end of the second module (1) is fixedly connected with the first module (2), and material distributing bodies (4) are fixedly arranged in the first module (2) and the second module (1).

And the feeding end of the shunting cone support plate 6 is fixedly connected with a second module 1. The middle part of the diffluence cone support plate 6 is hollow, and the diffluence cones 8 are fixedly connected in the diffluence cone support plate 6, and the hollow space of the diffluence cone support plate 6 is divided into a plurality of flow channels 7 by the diffluence cones 8 and the diffluence cone support plate 6. The diffluence cones 8 are connected through a connecting plate, the diffluence cones 8 at two ends are fixedly connected with the inner side wall of the diffluence cone support plate 6 through the connecting plate, the diffluence cones 8 contract towards the direction of the extruder, and the longitudinal sections of the diffluence cones are integrally triangular.

The feeding end of the core rod support plate 9 is fixedly connected with a shunting cone support plate 6, the middle of the core rod support plate 9 is hollow, a plurality of core rods 12 are uniformly distributed, the upper surfaces and the lower surfaces of the core rods 12 are fixedly connected with the upper inner wall and the lower inner wall of the core rod support plate 9 through core rod supports 10, the core rods 12 are fixedly connected with the side walls of the core rod support plate 9 through transverse plates 14, and the core rod supports 10 are located on the same side of the axes of the core rods 12. The connecting plate is closely attached to the transverse plate 14 and is positioned on the same horizontal plane.

The feeding end of the confluence module 15 is fixedly connected with the mandrel support plate 9, and the mandrel 12 is fixedly arranged on the mandrel support plate 9 and extends into the confluence module 15. The discharge end of the confluence module 15 is also fixedly connected with a discharge plate 18, and the end part of the core rod 12 is positioned in the discharge plate 18.

Be provided with plug 12 in the module 15 that converges, vertically between the plug 12 be provided with separation blade 11, the upper and lower terminal surface and the module 15 fixed connection that converges of separation blade 11. The confluence module 15 comprises a confluence plate 16 and a flow plate 17, wherein the confluence plate 16 is funnel-shaped towards an opening of the extruder, and the baffle plate 11 is positioned in a space between the confluence plate 16 and the flow plate 17. The baffle plate 11 is located on the symmetry plane of two adjacent core rods 12. The baffle plate 11 is made of a material with good heat-conducting property.

A method for using wood-plastic door plate micro-foaming forming equipment is characterized in that wood-plastic materials are extruded by an extruder and then enter an extrusion die. The wood-plastic material is separated by the material separating body 4, and enters the space formed by the first module 2, the second module 1 and the material separating body 4 from two sides of the material separating body 4 to be primarily mixed.

The wood-plastic material enters the shunting cone support body 6 and is divided into a plurality of parts to move forwards through the flow channel, the wood-plastic material is divided into an upper layer material flow and a lower layer material flow by the connecting plate and the transverse plate 14, the upper layer material flow and the lower layer material flow which are opposite to each other at the tail end of the connecting plate are converged and are divided into material units by the retaining pieces 11.

The wood-plastic material enters the convergence module 15, the upper layer and the lower layer of relative material flow converge, then the wood-plastic material is divided into a plurality of square material units around the core rod 12 through the baffle plate 11, the wood-plastic material forms a plurality of equal material units through the baffle plate 11, and the wood-plastic material converges only at the outlet of the discharge plate 18.

In order to verify the effect of the invention, the invention adopts two sets of extrusion dies, and the difference of the two sets of extrusion dies is that the extrusion die A comprises a baffle plate, and the baffle plate is removed by the extrusion die B.

And respectively using an extrusion die A and an extrusion die B to produce the door panel with the length of 200 meters. Experiments show that: the door plate produced by the extrusion die A is uniformly foamed, the reinforcing ribs are straight, and no obvious stripes are formed on the plate surface; the joint of the door plate reinforcing rib and the plate surface produced by the extrusion die B is not uniformly foamed, the reinforcing rib is obviously bent, and the plate surface has obvious stripes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.