CN214926565U

CN214926565U - Flange mold structure

Info

Publication number: CN214926565U
Application number: CN202023241748.0U
Authority: CN
Inventors: 刘亚良
Original assignee: SUZHOU INDUSTRIAL PARK XIELI PLASTIC CO LTD
Current assignee: SUZHOU INDUSTRIAL PARK XIELI PLASTIC CO LTD
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-30
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a mould field discloses a flange mould structure, include: the cooling mold comprises a female mold core with a glue inlet, a male mold core with an inner mold core, a sliding block arranged between the female mold core and the male mold core, and a cooling core arranged in the inner mold core, wherein a molding cavity is formed among the female mold core, the sliding block and the inner mold core; the inner mold core is provided with a latent glue opening which is communicated with the glue inlet; the outer side wall of the cooling core is provided with a spiral groove, the lower end surface of the cooling core is provided with a water inlet channel and a water outlet channel, the water inlet channel is communicated with the lowest end of the spiral groove, and the water outlet channel is communicated with the highest end of the spiral groove; an upper sealing ring which is propped against the inner core is embedded on the upper end surface of the cooling core, and a lower sealing ring which is propped against the cooling core is embedded on the inner core. In this way, the utility model discloses a set up the cooling core in the inner core, cool down to getting into the glue in the one-tenth die cavity, flange high temperature produces and warp after avoiding the drawing of patterns, ensures the quality after the flange drawing of patterns.

Description

Flange mold structure

Technical Field

The utility model relates to a mould field especially relates to a flange mould structure.

Background

A plastic flange 7 for a shock absorber is known, as shown in fig. 1. This flange 7 is when injection moulding, because the thickness of flange 7 lateral wall is thicker, so still have higher temperature after the drawing of patterns, and then produce the deformation easily for flange 7's structural dimension can't guarantee, influences the effect that flange 7 used on the bumper shock absorber.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a flange mould structure, through including set up the cooling core in the core, cools down to the glue that gets into in the molding cavity, avoids drawing of patterns back flange high temperature to produce and warp, ensures the quality after the flange drawing of patterns.

In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a flange mold structure including: the upper end of the inner core penetrates through a cavity hole on the sliding block to be matched and butted with the female die core, and a forming cavity for forming a flange is formed among the female die core, the sliding block and the inner die core; the inner core is provided with a latent glue opening leading to the molding cavity, and the latent glue opening is communicated with the glue inlet; the outer side wall of the cooling core is provided with a spiral groove, the lower end surface of the cooling core is provided with a water inlet channel and a water outlet channel, the water inlet channel is communicated with the lowest end of the spiral groove, and the water outlet channel is communicated with the highest end of the spiral groove; the upper end face of the cooling core is embedded with an upper sealing ring which is abutted against the inner core, and the position of the inner core, which corresponds to the annular bulge at the lower end of the cooling core, is embedded with a lower sealing ring which is abutted against the cooling core.

Preferably, the cooling core includes a first annular portion and a second annular portion, the first annular portion being adjacent to the molding cavity relative to the second annular portion, the second annular portion having an outer diameter greater than an outer diameter of the first annular portion; the spiral groove covers the first annular portion and the second annular portion.

Preferably, a first thimble hole is formed in the middle of the inner mold core, and a second thimble hole communicated with the first thimble hole is formed in the middle of the cooling core; and a plurality of third thimble holes are formed in the lower end face of the inner core, and the third thimble holes are communicated with the forming cavity.

Preferably, the sliding block is divided into two parts, namely a first half sliding block and a second half sliding block, trapezoidal protruding portions are arranged at two ends of the first half sliding block, trapezoidal groove portions matched with the trapezoidal protruding portions are correspondingly arranged at two ends of the second half sliding block, and the first half sliding block and the second half sliding block are in concave-convex butt joint.

Preferably, there are a plurality of inner cores on the core insert, and a plurality of glue inlets in the cavity insert, the plurality of glue inlets corresponding to the plurality of inner cores one by one respectively.

The utility model has the advantages that: the utility model discloses can be through including setting up the cooling core in the core, guarantee the temperature of the in-process core of moulding plastics to can lower the temperature to getting into the glue in the die cavity, prevent that the temperature of drawing of patterns back product is still higher to produce and is out of shape, ensure the quality after the product shaping drawing of patterns. The structure design of the first thimble hole, the second thimble hole and the third thimble hole can facilitate the thimble to pass through, so that the inner core can be removed firstly during demoulding, and the demoulding difficulty is reduced; the design that the slider is divided into two parts and is in concave-convex butt joint can ensure that the demoulding is simple and convenient, and the demoulding can not influence the structure of the flange in the forming cavity.

Drawings

FIG. 1 is a schematic perspective view of a conventional flange;

fig. 2 is a schematic perspective view of a preferred embodiment of a flange mold structure according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a flange mold structure according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the flange mold structure after removing the female mold core and the first half slide block;

fig. 5 is a schematic perspective view of an inner core in a flange mold structure according to the present invention;

fig. 6 is a schematic cross-sectional structural view of an inner core in a flange mold structure according to the present invention;

fig. 7 is a schematic structural view of a cooling core in a flange mold structure according to the present invention;

fig. 8 is a schematic sectional view of a cooling core in a flange mold structure according to the present invention.

The parts in the drawings are numbered as follows: 1. a cavity insert; 11. a glue inlet; 2. a core insert; 3. an inner core; 31. a latent glue opening; 32. a lower annular groove; 33. a first thimble hole; 34. a third thimble hole; 4. a slider; 41. a trapezoidal boss; 5. a molding cavity; 6. a cooling core; 60. a spiral groove; 61. a water inlet channel; 62. a water outlet channel; 63. an upper annular groove; 64. an annular boss; 65. a second thimble hole; 7. and (4) a flange.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 8, an embodiment of the present invention includes:

a flange mold structure comprising: the core insert comprises a cavity insert 1 with a glue inlet 11, a core insert 2 provided with an inner core 3, and a slide block 4 arranged between the cavity insert 1 and the core insert 2; the upper end of the inner core 3 passes through a cavity hole on the sliding block 4 to be matched and butted with the cavity insert 1. The cavity insert 1 and the slide block 4 are used for forming an external structure of the flange 7, and the inner core 3 is used for forming an internal structure of the flange 7, namely, a forming cavity 5 for forming the flange 7 (product) is formed among the cavity insert 1, the slide block 4 and the inner core 3. The number of the inner cores 3 on the male die core 2 is three, the number of the glue inlets 11 in the female die core 1 is also three, the three glue inlets 11 correspond to the three inner cores 3 respectively, the inner core 3 is provided with a latent glue inlet 31 which is correspondingly communicated with the glue inlets 11, and the latent glue inlet 31 leads to the forming cavity 5 so as to feed glue into the three forming cavities 5 respectively. A cooling core 6 for cooling the inner core 3 (keeping the inner core 3 at a low temperature) is fixedly installed in the inner core 3.

The cooling core 6 comprises a first annular part and a second annular part, the first annular part is close to the forming cavity 5 relative to the second annular part, the outer diameter of the second annular part is larger than that of the first annular part, and because the upper end part of the inner core 3 corresponds to the forming cavity 5 and is small in structure, the structural design can improve the cooling effect of the cooling core 6 on the inner core 3 under the condition that the structural strength of the inner core 3 is ensured. A circle of annular convex part 64 is arranged on the outer side wall of the lower end of the cooling core 6, and an open annular groove part matched with the annular convex part 64 is correspondingly arranged on the inner core 3; this configuration is designed for the cooperative positioning of the cooling core 6 and the inner core 3.

The outer side wall of the cooling core 6 is provided with a spiral groove 60, and the spiral groove 60 covers the first annular part and the second annular part; the utility model discloses a cooling core, including cooling core 6, inlet channel 61 and outlet channel 62, inlet channel 61 accesss to the lower extreme of spiral groove 60, outlet channel 62 accesss to the top of spiral groove 60 to in carry out water route circulation or coolant liquid circulation, thereby can cool down inner core 3 when the injection moulding product, the principle of rethread heat transfer is fully cooled down the sizing material in shaping chamber 5, is less than its purpose of deformation temperature with reaching the post-demoulding product temperature, effectually has avoided the deformation scheduling problem that the product high temperature arouses after the drawing of patterns. An upper annular groove 63 is formed in the upper end face of the cooling core 6, an upper sealing ring is embedded in the upper annular groove 63, and the upper sealing ring can abut against the inner mold core 3; a lower annular groove 32 is formed at the bottom of the open annular groove, a lower sealing ring is embedded in the lower annular groove 32, and the lower sealing ring can be abutted against the cooling core 6; the upper sealing ring and the lower sealing ring can ensure the tightness of a waterway circulation or a cooling liquid circulation.

A first thimble hole 33 is formed in the middle of the inner core 3, and a second thimble hole 65 communicated with the first thimble hole 33 is formed in the middle of the cooling core 6. Seven third thimble holes 34 are formed in the lower end face of the inner core 3, and the third thimble holes 34 are communicated with the molding cavity 5. The structure design of the first thimble hole 33, the second thimble hole 65 and the third thimble hole 34 can facilitate the passage of the thimble, so that the inner core 3 can be removed first during demoulding, and the demoulding difficulty is reduced.

The sliding block 4 is divided into two parts, namely a first half sliding block and a second half sliding block, trapezoidal protruding parts 41 are arranged at two ends of the first half sliding block, trapezoidal groove parts matched with the trapezoidal protruding parts 41 are correspondingly arranged at two ends of the second half sliding block, and the first half sliding block and the second half sliding block are in concave-convex butt joint; the design of this combination can make the drawing of patterns simple, convenient, and the drawing of patterns can not influence the structure of flange 7 in the shaping cavity 5.

The utility model discloses a set up cooling core 6 in inner core 3, guarantee the temperature of the in-process inner core 3 of moulding plastics to can lower the temperature to the glue that gets into in the die cavity 5, prevent that the temperature of product is still higher to produce and warp after the drawing of patterns, ensure the quality after the product shaping drawing of patterns.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A flange mold structure, comprising: the upper end of the inner core penetrates through a cavity hole on the sliding block to be matched and butted with the female die core, and a forming cavity for forming a flange is formed among the female die core, the sliding block and the inner die core; the inner core is provided with a latent glue opening leading to the molding cavity, and the latent glue opening is communicated with the glue inlet; the outer side wall of the cooling core is provided with a spiral groove, the lower end surface of the cooling core is provided with a water inlet channel and a water outlet channel, the water inlet channel is communicated with the lowest end of the spiral groove, and the water outlet channel is communicated with the highest end of the spiral groove; the upper end face of the cooling core is embedded with an upper sealing ring which is abutted against the inner core, and the position of the inner core, which corresponds to the annular bulge at the lower end of the cooling core, is embedded with a lower sealing ring which is abutted against the cooling core.

2. A flange mold structure according to claim 1, wherein: the cooling core includes a first annular portion and a second annular portion, the first annular portion being adjacent to the molding cavity relative to the second annular portion, the second annular portion having an outer diameter greater than an outer diameter of the first annular portion; the spiral groove covers the first annular portion and the second annular portion.

3. A flange mold structure according to claim 1, wherein: a first thimble hole is formed in the middle of the inner mold core, and a second thimble hole communicated with the first thimble hole is formed in the middle of the cooling core; and a plurality of third thimble holes are formed in the lower end face of the inner core, and the third thimble holes are communicated with the forming cavity.

4. A flange mold structure according to claim 1, wherein: the sliding block is divided into two parts, namely a first half sliding block and a second half sliding block, trapezoidal protruding parts are arranged at two ends of the first half sliding block, trapezoidal groove parts matched with the trapezoidal protruding parts are correspondingly arranged at two ends of the second half sliding block, and the first half sliding block and the second half sliding block are in concave-convex butt joint.

5. A flange mold structure according to claim 1, wherein: the inner cores on the male die core are multiple, the glue inlet in the female die core is also multiple, and the glue inlet and the inner cores are respectively in one-to-one correspondence.