CN217395649U

CN217395649U - Extrusion die of clamping and grounding plate

Info

Publication number: CN217395649U
Application number: CN202123179544.3U
Authority: CN
Inventors: 吴明星; 傅弘纲
Original assignee: Anji Zhengyuan Wpc Decoration Material Co ltd
Current assignee: Anji Zhengyuan Wpc Decoration Material Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-09-09
Anticipated expiration: 2031-12-17

Abstract

An extrusion die of a clamping and grounding plate comprises a conveying section, a casting section and a forming section, wherein the conveying section is used for conveying materials; the side walls of the conveying section, the casting section and the forming section extend inwards to form a convex structure; the bottom of the forming section is provided with two first bulges which are symmetrically arranged and a second bulge arranged between the two first bulges; curtain coating section on be provided with first leading-in head of first protruding connection and with the protruding leading-in head of second of connecting of second, first leading-in head have one be close to the outside lead to the inclined plane and one be close to the inboard interior direction inclined plane, outer direction inclined plane with the slope direction on interior direction inclined plane different and the area ratio of the two be (1.5 ~ 4): 1; the utility model discloses set up first direction head, improved the intensity of floor joint structure.

Description

Extrusion die of clamping and grounding plate

Technical Field

The utility model relates to a joint floor preparation technical field, concretely relates to extrusion tooling of joint floor board.

Background

The clamping wood-plastic floor is a wood-plastic floor with a bottom provided with an installation structure, when the wood-plastic floor is installed, a keel is installed on the ground firstly, then the wood-plastic floor is clamped and fixed on the keel, and the wood-plastic floor is convenient to install and replace after being damaged.

But the intensity of the mounting structure of setting in the panel bottom that this kind of floor obtained through extrusion production is not high enough, easily goes wrong during the use, for example not hard up between floor and the fossil fragments, can produce noise etc. when the people walk about.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an extrusion die of a clamping plate; the utility model discloses a set up first direction head in extrusion tooling, adjust the material volume to the first protruding both sides of flow for the transverse pressure increase between the material in the first protruding outside, the bottom material is pressed more really, has improved the intensity of floor joint structure.

The utility model discloses specific content as follows:

an extrusion die of a clamping-grounding plate is provided with a main flow channel for material extrusion molding, the bottom of the outlet end of the main flow channel is provided with two second clamping part formed bodies which are symmetrically arranged and a third clamping part formed body which is arranged between the two second clamping part formed bodies, and the lower ends of the two side walls of the outlet end of the main flow channel are provided with first clamping part formed bodies; a first dentate structure is transversely arranged on the outward side wall of the second clamping part forming body; a second toothed structure is transversely arranged on two side walls of the third clamping part forming body; the starting end of the second clamping part forming body is provided with a first guide part, and the starting end of the third clamping part forming body is provided with a second guide part; first guide part have one and be close to the outside outer direction inclined plane and one and be close to inboard interior direction inclined plane, outer direction inclined plane with the outermost end of interior direction inclined plane intersect and the incline direction of the two is opposite, the area ratio of the two is 1.5~ 4: 1.

among the prior art, through the joint floor of ordinary mould production, the problem that the intensity of the mounting structure of joint floor bottom is high inadequately often can appear, observe these wastrel, and it is mainly that the dentate structure in the joint structure of floor bottom is durable inadequately, and the dentate structure is gone up and some apertures appear, and finished product panel can not be fixed with the joint of the fastener on the fossil fragments firmly, influences the user and uses.

In the technical scheme of the utility model, a first guiding part is arranged at the initiating terminal of the second joint part forming body and the third joint part forming body, namely, at the end closest to the inlet of the main runner, so that the materials respectively flow into the spaces at two sides of the first guiding part, the tightness of the materials at the outer side of the second joint part forming body is controlled by controlling the area ratio of the outer guiding inclined plane and the inner guiding inclined plane at two sides of the first guiding part, the first guiding part can guide the materials originally passing through the second joint part forming body to be divided into two sides of the second joint part forming body, the materials corresponding to the outer guiding inclined plane with large area are more corresponding to the inner guiding inclined plane with small area, more materials enter the outer side of the second joint part forming body in extrusion, and the transverse pressure of the materials between the first joint part and the second joint part forming body is larger, the material can be better filled into the first dentate structure on the second clamping part forming body, and the material is extruded and compacted; after the plate is formed, the tooth-shaped structures on the two sides are complete, no hole exists, and the clamping and fixing effect is good.

As the above technical solution of the present invention, preferably, the outer guiding inclined plane 221 and the inner guiding inclined plane 222 intersect to form a dividing edge 223, so that the material can be easily divided, thereby entering the outer side of the first clamping portion forming body.

As the utility model discloses above-mentioned technical scheme prefer, first dentate structure 21 by a plurality of sunken 23 on the lateral wall of second joint portion forming body 2 form, sunken 23 has an upper surface and a lower surface, the inclination of upper surface is 45~60, the inclination of lower surface is 30~ 45.

Preferably, in the above technical solution of the present invention, the second guide portion 32 has two guide slopes having equal areas; the width of third joint portion forming body is wider than the width of second joint portion, and the material that corresponds is more, and when extrudeing, the material between second joint portion forming body and the third joint portion forming body can be from the material that third joint portion forming body interfused, and the effect of the pressure of the material that this part interfused will make the second dentate structure that is located on the third joint portion forming body give the packing closely.

Preferably, the second tooth-shaped structure 31 is formed by inwardly recessing the side wall of the second joint part forming body 2.

As the above technical solution of the present invention, preferably, the outer guide slope 221 and the inner guide slope 222 are connected to the side wall surface of the second joint portion forming body 2 through a transition curved surface.

As the above technical solution of the present invention is preferable, the area ratio of the outer guide inclined plane 221 to the inner guide inclined plane 222 is 1.5-2: 1.

as the above technical solution of the present invention is preferable, the bottom of the first joint portion forming body 1 is provided with a recessed structure 11.

As the above technical solution of the present invention is preferable, the bottom surface of the concave structure 11 is a plane.

To sum up, the utility model has the advantages that:

1. the utility model adjusts the material amount to the two sides of the first bulge by arranging the first guide head, so that the transverse pressure between the materials outside the first bulge is larger, and the strength of the floor clamping structure is improved;

2. the first tooth-shaped structure is designed to be formed by the inner concave of the outer side wall of the first protrusion, so that the transverse pressure among materials can be buffered to a certain extent, and the friction of the materials on a mold is reduced;

3. the clamping floor produced by the die is high in strength and stable in structure.

Drawings

FIG. 1 is an exit end view of an extrusion die for a card-grounding plate as provided in example 1;

fig. 2 is a side sectional view of an extrusion die for a chuck plate provided in embodiment 1;

FIG. 3 is a cross-sectional view taken at FIG. 2A;

FIG. 4 is an enlarged view of a portion of FIG. 3 a;

FIG. 5 is a cross-sectional view at FIG. 2B;

FIG. 6 is a clamping floor made by the mold provided in example 1;

in the figure, 10-main runner, 2-second clamping part forming body, 3-third clamping part forming body, 1-first clamping part forming body, 21-first dentate structure, 31-second dentate structure, 22-first guiding part, 32-second guiding part, 221-outer guiding inclined plane, 222-inner guiding inclined plane, 223-dividing edge, 23-recess, 11-recess structure, 4-first clamping part, 5-second clamping part and 6-third clamping part.

Detailed Description

The invention is further explained below with reference to the drawings.

This detailed description is to be construed as illustrative only and is not intended to be limiting of the invention, and any modifications made by those skilled in the art after reading the present specification are intended to be protected by the following claims.

Example 1

As shown in fig. 1 to 5, an extrusion die for a clamping plate is provided with a main flow channel 10 for material extrusion molding, two second clamping portion forming bodies 2 which are symmetrically arranged and a third clamping portion forming body 3 which is arranged between the two second clamping portion forming bodies 2 are arranged at the bottom of an outlet end of the main flow channel 10, and first clamping portion forming bodies 1 are arranged at lower ends of two side walls of the outlet end of the main flow channel 10; a first dentate structure 21 is transversely arranged on the outward side wall of the second clamping part forming body 2; a second tooth-shaped structure 31 is transversely arranged on two side walls of the third clamping connection part forming body 3; the starting end of the second clamping part forming body 2 is provided with a first guide part 22, and the starting end of the third clamping part forming body 3 is provided with a second guide part 32; the first guiding portion 22 has an outer guiding inclined surface 221 close to the outer side and an inner guiding inclined surface 222 close to the inner side, the outermost end of the outer guiding inclined surface 221 and the outermost end of the inner guiding inclined surface 222 intersect with each other, the inclination directions of the outer guiding inclined surface 221 and the inner guiding inclined surface 222 are opposite, and the area ratio of the two is 2: 1.

in this embodiment, the first snap-fit portion forming body 1 includes a base shaped like a rectangle, a triangle-like projection is provided at the upper end of the side face of the base, and the inclination angle of the lower bottom face of the triangle-like projection is about 30 °; the lower end of the side surface of the substrate is provided with a right-angled triangular bulge, the surface corresponding to the bevel edge faces upwards, a concave structure 11 is arranged between the two triangular bulges, and the cross section of the concave structure is in a trapezoidal surface; the first clamping part forming bodies 1 positioned at two ends of the side wall of the mould are mutually symmetrical; the second clamping part forming body 2 and the third clamping part forming body 3 are both strip-shaped bulges with similar rectangular cross sections, and the lengths of the second clamping part forming body and the third clamping part forming body along the main runner 10 are both 15-50 cm; chamfers are arranged on two sides of the top of the second clamping part forming body 2, wherein the chamfer angle of one side with the tooth-shaped structure is larger; the area ratio of the outer guide slope 221 to the inner guide slope 222 is 2: 1, the material that originally will flow through second joint portion formed body 2 when the material flows through can be shunted to the both sides of second joint portion formed body 2 by first guide part 22, wherein by interior one side branch 1/3, lean on outer one side branch 2/3, the material that the income of this part of material can make both sides can strengthen the horizontal pressure of bottom material, this pressure can make the material of filling into above-mentioned vertical district more compact by the extruded, and then form the supporting legs on floor, can fill into the protruding structure when forming floor and fossil fragments cooperation in sunken 313 under the effect of lateral pressure, product bottom mounting structure is reasonable and good on the quality.

The outer guide slope 221 and the inner guide slope 222 intersect to form a dividing rib 223.

The first tooth-shaped structure 21 is formed by a plurality of recesses 23 on the outer side wall of the second clamping part forming body 2, each recess 23 is provided with an upper surface and a lower surface, the inclination angle of the upper surface is 45-60 degrees, and the inclination angle of the lower surface is 30-45 degrees; the material is filled into the recess 23 to form a protruding structure matched with the clamping jaw on the keel, the recess 23 is a triangular prism-shaped recess, the transverse pressure of the filled material can be weakened to a certain extent by manufacturing the recess structure, the internal stress of the formed plate can be weakened, and the pressure resistance of the plate is improved.

The second guide portion 32 has two guide slopes having an equal area.

The second tooth-like structure 31 is formed by inward recessing of the side wall of the second snap-in part forming body 2.

The outer guiding inclined surface 221 and the inner guiding inclined surface 222 are connected with the side wall surface of the second fastening portion forming body 2 through a transitional curved surface.

The bottom of the first joint part forming body 1 is provided with a sunken structure 11, which has an upper edge surface, a bottom surface and a lower edge surface, wherein the bottom surface is a vertical plane, the included angle between the upper edge surface and the bottom surface is 125 degrees, and the included angle between the lower edge surface and the bottom surface is 110 degrees.

As shown in fig. 6, the clamping and grounding plate prepared by the mold comprises a surface layer and a bottom supporting layer, wherein the bottom supporting layer of the plate is sequentially and symmetrically provided with a first clamping portion 4, a second clamping portion 5, a third clamping portion 6, a second clamping portion 5 and a first clamping portion 4 in the width direction.

Claims

1. An extrusion die of a clamping plate is provided with a main flow channel (10) for material extrusion molding, the bottom of the outlet end of the main flow channel (10) is provided with two second clamping part forming bodies (2) which are symmetrically arranged and a third clamping part forming body (3) which is arranged between the two second clamping part forming bodies (2), and the lower ends of the two side walls of the outlet end of the main flow channel (10) are provided with first clamping part forming bodies (1); a first dentate structure (21) is transversely arranged on the outward side wall of the second clamping part forming body (2); a second toothed structure (31) is transversely arranged on two side walls of the third clamping part forming body (3); the method is characterized in that: the starting end of the second clamping part forming body (2) is provided with a first guide part (22), and the starting end of the third clamping part forming body (3) is provided with a second guide part (32); the first guide part (22) is provided with an outer guide inclined surface (221) close to the outer side and an inner guide inclined surface (222) close to the inner side, the outermost ends of the outer guide inclined surface (221) and the inner guide inclined surface (222) are intersected, the inclination directions of the two are opposite, and the area ratio of the two is (1.5-4): 1.

2. the extrusion die for a card grounding plate as claimed in claim 1, wherein the outer guide slope (221) and the inner guide slope (222) intersect to form a dividing rib (223).

3. The extrusion die for the card grounding plate as claimed in claim 1, wherein the first teeth structure (21) is formed by a plurality of recesses (23) on the outer side wall of the second card section forming body (2), the recesses (23) having an upper surface and a lower surface, the upper surface having an inclination of 45-60 ° and the lower surface having an inclination of 30-45 °.

4. The extrusion die for a card-grounding plate as claimed in claim 1, wherein said second guide portion (32) has two guide slopes having an equal area.

5. The extrusion die for the card grounding plate as claimed in claim 1, wherein the second tooth-like structure (31) is formed by inwardly recessing the side wall of the second card portion forming body (2).

6. The extrusion die for the snap-in plate as claimed in claim 1, wherein the outer guide slope (221) and the inner guide slope (222) are connected to the side wall surface of the second snap-in portion forming body (2) through a transition curved surface.

7. The extrusion die for a card grounding plate as claimed in claim 1, wherein the area ratio of the outer guide inclined surface (221) to the inner guide inclined surface (222) is (1.5-2): 1.

8. the extrusion die for the clamping-grounding plate as recited in claim 1, wherein the bottom of the first clamping-portion forming body (1) is provided with a recessed structure (11).

9. The extrusion die for a card-grounding plate as claimed in claim 8, wherein the bottom surface of said recessed structure (11) is a flat surface.