CN219006707U

CN219006707U - Steam ejection structure for demolding of EPP (expanded polyethylene) products

Info

Publication number: CN219006707U
Application number: CN202320057992.6U
Authority: CN
Inventors: 游维广; 严奇清; 陈航宇
Original assignee: Fuzhou Tengrongxiang Automotive Parts Co ltd
Current assignee: Fuzhou Tengrongxiang Automotive Parts Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-12
Anticipated expiration: 2033-01-09

Abstract

The utility model provides a steam ejection structure for demolding of EPP products. The steam ejection structure for the demolding of EPP products comprises: static die holder; the mold core is arranged on the static mold base; the cavity is formed in the mold core; the rectangular groove is formed in the bottom of the mold core; the circular grooves are formed in the mold core; the steam ejection mechanisms are respectively arranged on the circular grooves; the rebound reset mechanisms are respectively arranged on the inner walls of the circular grooves. The steam ejection structure for the EPP product demolding has the advantages of being high in demolding efficiency, not prone to inclining in the demolding process, and high in resetting speed.

Description

Steam ejection structure for demolding of EPP (expanded polyethylene) products

Technical Field

The utility model relates to the technical field of EPP product production, in particular to a steam ejection structure for demolding of an EPP product.

Background

EPP materials have light specific gravity, good elasticity, shock resistance, compression resistance and high deformation recovery rate, EPP is widely applied to automobiles, EPP beads can be molded into EPP products with various shapes in a mold of a molding machine, and generally, the EPP products are mostly processed into thin-wall shapes and thin-plate shapes, and in the mold molding process, in order to enable products to fall off after molding, a steam ejection structure is needed to assist product demolding.

However, the existing steam ejection structure often adopts a single steam ejection structure, so that uneven stress may exist at the bottom of a product, and further the product is inclined in the demolding process, so that demolding efficiency is affected.

Therefore, it is necessary to provide a vapor ejection structure for demolding EPP products, which solves the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the steam ejection structure for the demolding of the EPP product, which has higher demolding efficiency, is not easy to incline in the demolding process and has higher resetting speed.

In order to solve the technical problems, the steam ejection structure for demolding of EPP products provided by the utility model comprises the following components: static die holder; the mold core is arranged on the static mold base; the cavity is formed in the mold core; the rectangular groove is formed in the bottom of the mold core; the circular grooves are formed in the mold core; the steam ejection mechanisms are respectively arranged on the circular grooves; the rebound reset mechanisms are respectively arranged on the inner walls of the circular grooves.

Preferably, the steam ejection mechanism comprises a steam ejection column, a central hole and a plurality of steam spray holes, the steam ejection column is slidably mounted on the inner wall of the circular groove, the center Kong Kaishe is arranged at the bottom end of the steam ejection column, a plurality of steam spray holes are formed in the steam ejection column, and a plurality of steam spray holes are communicated with the central hole.

Preferably, the rebound resetting mechanism comprises a limit groove, a limit rod, a spring and a sliding block, wherein the limit groove is formed in the inner wall of the circular groove, the limit rod is fixedly arranged on the inner wall of the limit groove, the spring is slidably sleeved on the limit rod, the sliding block is slidably sleeved on the limit rod, and the sliding block is fixedly connected with the steam jacking column.

Preferably, the static die holder is provided with an air inlet channel and an air outlet channel.

Preferably, an air inlet pipe is arranged at one end of the air inlet channel, and an air outlet pipe is arranged at one end of the air outlet channel.

Preferably, the air inlet pipe and the air outlet pipe are respectively provided with a first electromagnetic valve and a second electromagnetic valve.

Compared with the related art, the steam ejection structure for the demolding of the EPP product has the following beneficial effects:

the utility model provides a steam ejection structure for EPP product demolding, which can enable steam to enter a plurality of circular grooves through the rectangular grooves, can install a plurality of steam ejection columns through the plurality of circular grooves, can enable products to be demolded more efficiently through a plurality of steam ejection mechanisms, can enable the plurality of steam ejection columns to reset rapidly through a plurality of rebound resetting mechanisms, can push the products to move upwards through the steam ejection columns, can enable the steam to be sprayed to the bottoms of the products more uniformly through a central hole and a plurality of steam spray holes, so that the demolding speed of the products is improved, can install rebound resetting mechanisms through limiting grooves, can limit springs and sliding blocks through limiting rods, can enable the steam ejection columns to reset through the spring rebound sliding blocks, can be discharged or exhausted into the air inlet channels through the air inlet channels and the air outlet channels, can enable the steam to be exhausted through the air outlet pipes, and accordingly enable the plurality of steam ejection columns to reset rapidly, and can respectively control the on-off of the air inlet pipes and the air outlet pipes through first electromagnetic valves and the second electromagnetic valves.

Drawings

FIG. 1 is a schematic diagram of a vapor ejection structure for demolding EPP products according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the vapor column of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numerals in the drawings: 1. static die holder; 2. a mold core; 3. a cavity; 4. rectangular grooves; 5. a circular groove; 6. a steam jack; 7. a central bore; 8. steam jet holes; 9. a limit groove; 10. a limit rod; 11. a spring; 12. a slide block; 13. an air intake passage; 14. an air inlet pipe; 15. a first electromagnetic valve; 16. an exhaust passage; 17. an exhaust pipe; 18. second electromagnetic valve

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a vapor ejection structure for demolding EPP products according to the present utility model; FIG. 2 is a schematic three-dimensional structure of the vapor column of FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 1. The steam ejection structure for the demolding of EPP products comprises: a static die holder 1; the mold core 2 is arranged on the static mold base 1; the die cavity 3 is formed in the die core 2; the rectangular groove 4 is formed in the bottom of the mold core 2; a plurality of circular grooves 5, wherein the circular grooves 5 are all arranged on the mold core 2; the steam ejection mechanisms are respectively arranged on the circular grooves 5; the resilience reset mechanism is arranged on the inner wall of the circular groove 5, steam can enter the circular groove 5 through the rectangular groove 4, the steam ejection posts 6 can be installed through the circular groove 5, products can be efficiently ejected through the steam ejection mechanisms, and the resilience reset mechanism can enable the steam ejection posts 6 to reset rapidly.

The steam ejection mechanism comprises a steam ejection column 6, a central hole 7 and a plurality of steam spray holes 8, wherein the steam ejection column 6 is slidably mounted on the inner wall of the circular groove 5, the central hole 7 is formed in the bottom end of the steam ejection column 6, the steam spray holes 8 are formed in the steam ejection column 6, the steam spray holes 8 are communicated with the central hole 7, a product can be pushed to move upwards through the steam ejection column 6, steam can be uniformly sprayed to the bottom of the product through the central hole 7 and the steam spray holes 8, and accordingly the demolding speed of the product is improved.

The rebound resetting mechanism comprises a limit groove 9, a limit rod 10, a spring 11 and a slide block 12, wherein the limit groove 9 is formed in the inner wall of the circular groove 5, the limit rod 10 is fixedly installed on the inner wall of the limit groove 9, the spring 11 is slidably sleeved on the limit rod 10, the slide block 12 is fixedly connected with the steam jacking column 6, the rebound resetting mechanism can be installed through the limit groove 9, the spring 11 and the slide block 12 can be limited through the limit rod 10, and the steam jacking column 6 can be reset through the spring 11 rebound slide block 12.

The static die holder 1 is provided with an air inlet channel 13 and an air outlet channel 16, and steam can be discharged or exhausted through the air inlet channel 13 and the air outlet channel 16.

One end of the air inlet channel 13 is provided with an air inlet pipe 14, one end of the air outlet channel 16 is provided with an air outlet pipe 17, steam can enter the air inlet channel 13 through the air inlet pipe 14, and can be discharged through the air outlet pipe 17, so that the steam lifters 6 are reset rapidly.

The air inlet pipe 14 and the air outlet pipe 17 are respectively provided with a first electromagnetic valve 15 and a second electromagnetic valve 18, and the on-off of the air inlet pipe 14 and the air outlet pipe 17 can be respectively controlled through the first electromagnetic valve 15 and the second electromagnetic valve 18.

The working principle of the steam ejection structure for the EPP product demolding provided by the utility model is as follows:

when the novel steam ejection device is used, the air inlet pipe 14 is connected with the steam generation equipment, the first electromagnetic valve 15 and the second electromagnetic valve 18 are electrically connected with the control device, when a product is ejected from the cavity 3, the control device controls to close the second electromagnetic valve 18 and open the first electromagnetic valve 15, steam generated by the steam generation equipment enters the rectangular groove 4 along the air inlet pipe 14 and the air inlet channel 13, the steam pushes the steam ejection columns 6 to move upwards along the circular grooves 5, the steam pushes the product to move upwards through the steam ejection columns 6, when the steam ejection holes 8 are moved out of the circular grooves 5, the steam is ejected to the bottom of the product uniformly along the circular grooves 5 and the steam ejection holes 8, so that the product is ejected more efficiently, after the ejection is completed, the control device controls to close the first electromagnetic valve 15 and open the second electromagnetic valve 18, the plurality of sliders 12 are rebounded through the springs 11, the steam ejection columns 6 are reset, the residual steam in the circular grooves 5 and the rectangular groove 4 is ejected through the air outlet channels 16 and the air outlet pipes 17 in the resetting process, and therefore the resetting speed of the steam ejection columns 6 is improved, and the production efficiency of the product is improved.

the utility model provides a steam ejection structure for EPP product demolding, which can enable steam to enter a plurality of circular grooves 5 through a rectangular groove 4, can install a plurality of steam ejection columns 6 through the plurality of circular grooves 5, can enable products to be demolded more efficiently through a plurality of steam ejection mechanisms, can enable the plurality of steam ejection columns 6 to reset rapidly through a plurality of rebound resetting mechanisms, can enable the products to be pushed to move upwards through the steam ejection columns 6, can enable the steam to be uniformly sprayed to the bottoms of the products through a central hole 7 and a plurality of steam spray holes 8, so that the demolding speed of the products is improved, can be provided with rebound resetting mechanisms through limiting grooves 9, can limit a spring 11 and a sliding block 12 through limiting rods 10, can enable the steam ejection columns 6 to reset through the spring 11, can enable the steam ejection channels 13 and the air ejection channels 16 to eject or exhaust steam through the air inlet pipes 14, can enable the plurality of steam ejection columns 6 to reset rapidly through the air inlet pipes 14, and can control the air inlet pipes 14 and the air inlet pipes 14 to be controlled by first electromagnetic valves 15, second

electromagnetic valves

18 and 17 respectively.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a EPP product is steam ejection structure for demolding which characterized in that includes:

static die holder;

the mold core is arranged on the static mold base;

the cavity is formed in the mold core;

the rectangular groove is formed in the bottom of the mold core;

the circular grooves are formed in the mold core;

the steam ejection mechanisms are respectively arranged on the circular grooves;

the rebound reset mechanisms are respectively arranged on the inner walls of the circular grooves.

2. The steam ejection structure for demolding of EPP products according to claim 1, wherein the steam ejection mechanism comprises a steam ejection column, a central hole and a plurality of steam spray holes, the steam ejection column is slidably mounted on the inner wall of the circular groove, the center Kong Kaishe is arranged at the bottom end of the steam ejection column, the plurality of steam spray holes are formed in the steam ejection column, and the plurality of steam spray holes are communicated with the central hole.

3. The steam ejection structure for demolding of EPP products according to claim 2, wherein the rebound reset mechanism comprises a limit groove, a limit rod, a spring and a slide block, the limit groove is formed in the inner wall of the circular groove, the limit rod is fixedly installed on the inner wall of the limit groove, the spring is slidably sleeved on the limit rod, the slide block is slidably sleeved on the limit rod, and the slide block is fixedly connected with the steam jack.

4. The steam ejection structure for demolding of EPP products according to claim 1, wherein the stationary mold base is provided with an air intake passage and an air exhaust passage.

5. The steam ejection structure for demolding of EPP products according to claim 4, wherein an air inlet pipe is provided at one end of the air inlet passage, and an air outlet pipe is provided at one end of the air outlet passage.

6. The steam ejection structure for demolding an EPP product according to claim 5, wherein the air inlet pipe and the air outlet pipe are respectively provided with a first electromagnetic valve and a second electromagnetic valve.