CN218906082U

CN218906082U - Blowing and pressing separation die for EPS foam molding

Info

Publication number: CN218906082U
Application number: CN202222977494.1U
Authority: CN
Inventors: 柳慧挺; 谭芙蓉; 于钢; 李四仔; 张文扬
Original assignee: Sihong Buxin Motor Manufacturing Co ltd
Current assignee: Sihong Buxin Motor Manufacturing Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-04-25
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a blowing-pressing separation die for EPS foam plastic, which relates to the field of plastic dies and comprises a base, wherein a supporting seat is fixedly connected to the middle of the upper surface of the base, a plurality of limiting grooves are formed in inclined planes on two sides of the supporting seat, trapezoidal blocks are arranged on inclined planes on two sides of the supporting seat and are in sliding connection with the inclined planes of the supporting seat, a plurality of limiting strips are fixedly connected to the right side of each trapezoidal block and are in sliding connection with the corresponding limiting grooves, a plurality of inclined cylinders are fixedly connected to the top of each trapezoidal block, triangular blocks are fixedly connected to two sides of the upper surface of the base, a plurality of extrusion springs are fixedly connected to the inner sides of the triangular blocks, a pushing plate is fixedly connected to one end, far away from the triangular blocks, of each extrusion spring, and the supporting seat is fixedly connected with a lower die. According to the utility model, through arranging the inclined cylinder, the butt joint hole, the downward pressing support arm, the triangular block and the trapezoidal block, the EPS foam plastic can be demolded by compressed air, and the surface of the EPS foam plastic can be ensured not to have marks of the butt joint hole.

Description

Blowing and pressing separation die for EPS foam molding

Technical Field

The utility model relates to the field of plastic molds, in particular to a blowing-pressing separation mold for EPS foam molding.

Background

The foamed plastic packing box or packing cushion block has the characteristics of light weight, good shock resistance and the like, and is widely applied to medical treatment, food, electromechanics, instruments and hardware as well as daily product packaging. The EPS foam plastic is processed by putting EPS raw material particles into a film cavity, adopting steam input for foaming, then introducing water into a mold for cooling, separating a foam product from a metal mold, opening the mold, introducing water and compressed air, and demolding.

However, when the EPS foam plastic is blown and pressed by the existing separating die, the bottom of the die is required to be opened, the EPS foam plastic is blown and pressed and separated through holes at the bottom, but holes at the bottom also exist during injection molding, and marks are formed on the surface of the EPS foam plastic by the holes, so that the attractiveness of the EPS foam plastic is affected. To solve the above-mentioned problems, it is necessary to provide a blow-pressure separation mold for EPS foam.

Disclosure of Invention

In order to solve the technical problem, a blow-press separation mould for EPS foam is provided, the present separation mould that has proposed in the above-mentioned prior art has been solved to this technical scheme when blowing-press separation EPS foam, need follow the mould bottom trompil, blow-press the separation with EPS foam through the hole of bottom, but the hole of bottom also can exist when injection moulding, and these holes can form the mark on EPS foam surface, influence EPS foam's pleasing to the eye problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a blow and press separation mould for EPS bubble is moulded, the on-line screen storage device comprises a base, base upper surface middle part fixedly connected with supporting seat, a plurality of spacing groove has all been seted up to supporting seat both sides inclined plane, and supporting seat both sides inclined plane all is provided with trapezoidal piece, trapezoidal piece and supporting seat's inclined plane sliding connection, trapezoidal piece right side fixedly connected with a plurality of spacing, spacing sliding connection is in corresponding in the spacing groove, trapezoidal piece top fixedly connected with a plurality of inclined cylinder, the equal sliding connection of base upper surface both sides has the triangle piece, the inboard fixedly connected with of triangle piece a plurality of extrusion spring, the one end fixedly connected with push plate of triangle piece is kept away from to the extrusion spring, supporting seat top fixedly connected with bed die, a plurality of butt joint hole has been seted up in the bed die bottom surface pass, and a plurality of blows the pressure hole has been seted up in the bed die front, blows the pressure hole backward extension and runs through the rear side of bed die.

Preferably, the inclination angle of the inclined planes at two sides of the supporting seat is forty-five degrees, the inclination angle of the inclined cylinder is forty-five degrees, the butt joint holes are obliquely arranged, the inclination angle of the butt joint holes is forty-five degrees, the diameters and the heights of the inclined cylinder and the butt joint holes are uniform, and the blowing and pressing holes penetrate through the butt joint holes in the same row.

Preferably, the support rods are fixedly connected to two sides of the upper surface of the base, the cross beams are fixedly connected to the top ends of the support rods, the pressing die cylinder is fixedly connected to the middle of the lower surface of the cross beams, the upper die is fixedly connected to the output end of the pressing die cylinder, the pressing support arms are fixedly connected to two sides of the upper die, and injection holes are formed in the top of the upper die.

Preferably, the bottom end of the pressing support arm is an inclined plane, and the inclined plane is matched with the inclined plane of the triangular block.

Preferably, a plurality of sliding grooves are formed in two sides of the base, the bottom of the triangular block is fixedly connected with a sliding block, and the sliding block is slidably connected in the sliding grooves.

Preferably, the inner side of the pushing plate is abutted against the side face of the trapezoid block, and the bottom face of the trapezoid block is abutted against the upper surface of the base.

Preferably, a cushion block is abutted between the lower die and the trapezoid block, and the height of the cushion block is equal to the distance from the top end of the inclined cylinder to the lower surface of the lower die.

Compared with the prior art, the utility model provides a blowing-pressing separation die for EPS foam plastic, which has the following beneficial effects:

through setting up oblique cylinder, butt joint hole, push down support arm, triangle piece and trapezoidal piece, when moulding plastics, the butt joint hole can be sealed, and whole bed die is complete an organic whole, and fashioned EPS bubble is moulded the surface and is had not the print of butt joint hole, guarantees EPS bubble and moulds the aesthetic property on surface, and after the shaping, the butt joint hole can be unsealed, can use compressed air to mould the EPS bubble through the cooperation of butt joint hole and cushion.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

FIG. 2 is a schematic view of the lower die structure of the present utility model;

FIG. 3 is a schematic view of another view angle structure of the lower mold of the present utility model;

FIG. 4 is a schematic diagram of a trapezoid block structure according to the present utility model;

fig. 5 is a schematic diagram of a pad structure according to the present utility model.

The reference numerals in the figures are:

101. a cross beam; 102. a support rod; 103. a compression molding cylinder; 104. injection molding holes; 105. an upper die; 106. pressing down the support arm; 107. a cushion block;

201. a base; 202. a chute; 203. triangular blocks; 204. extruding a spring; 205. a limit groove; 206. a pushing plate; 207. a trapezoid block; 208. a support base; 209. a lower die; 210. blowing and pressing the hole; 211. a butt joint hole; 212. a beveled cylinder; 213. and a limit strip.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, a blow-press separation mold for EPS foam molding comprises a base 201, a supporting seat 208 is fixedly connected with the middle of the upper surface of the base 201, a plurality of limiting grooves 205 are formed in inclined planes on two sides of the supporting seat 208, a trapezoidal block 207 is arranged on inclined planes on two sides of the supporting seat 208, the trapezoidal block 207 is slidably connected with inclined planes of the supporting seat 208, a plurality of limiting strips 213 are fixedly connected to the right side of the trapezoidal block 207, the limiting strips 213 are slidably connected in the corresponding limiting grooves 205, a plurality of inclined columns 212 are fixedly connected to the top of the trapezoidal block 207, triangular blocks 203 are slidably connected to two sides of the upper surface of the base 201, a plurality of sliding grooves 202 are formed in two sides of the base 201, a sliding block is fixedly connected to the bottom of the triangular blocks 203, the sliding blocks are slidably connected to the sliding grooves 202, a plurality of extrusion springs 204 are fixedly connected to the inner sides of the triangular blocks 203, one ends of the extrusion springs 204, which are far away from the triangular blocks 203, of the pushing plates 206 are slidably connected to the inner sides of the trapezoidal block 207, the bottom of the trapezoidal block 207 is abutted to the upper surface of the base 201, the top of the supporting seat 201 is fixedly connected with a lower mold 209, the lower mold 209 is slidably connected to the lower mold 210, a plurality of sliding holes 211 are formed in the lower mold 209, and the lower mold 209 penetrates through the lower mold holes 211, and then the lower mold holes are formed through the lower mold holes, and extend to the lower side of the blow-press separation mold.

Specifically, the inclination angle of the inclined planes at two sides of the supporting seat 208 is forty-five degrees, the inclination angle of the inclined cylinder 212 is forty-five degrees, the butt joint hole 211 is obliquely arranged, the inclination angle of the butt joint hole 211 is forty-five degrees, the diameters and the heights of the inclined cylinder 212 and the butt joint hole 211 are uniform, and the blow-pressing hole 210 penetrates through the butt joint holes 211 in the same row.

The support rod 102 is fixedly connected to two sides of the upper surface of the base 201, the cross beam 101 is fixedly connected to the top end of the support rod 102, the compression molding cylinder 103 is fixedly connected to the middle of the lower surface of the cross beam 101, the output end of the compression molding cylinder 103 is fixedly connected with the upper mold 105, the pressing support arms 106 are fixedly connected to two sides of the upper mold 105, the injection molding holes 104 are formed in the top of the upper mold 105, the bottom ends of the pressing support arms 106 are inclined planes, and the inclined planes are matched with the inclined planes of the triangular blocks 203.

When the die cylinder 103 is used, the upper die 105 is driven to descend by the die cylinder 103, the lower pressing support arm 106 descends, the triangular block 203 is pressed by the lower pressing support arm 106, the triangular block 203 moves along the limit of the chute 202, the pressing spring 204 is compressed, the pushing plate 206 is pushed by the pressing spring 204, the trapezoidal block 207 is pressed inwards, the trapezoidal block 207 moves along the inclined plane of the supporting seat 208 and under the limit of the limit groove 205, when the upper die 105 and the lower die 209 are closed, the trapezoidal block 207 just moves to the lower surface of the lower die 209, the inclined cylinder 212 is obliquely inserted into the butt joint hole 211, the inner bottom surface of the lower die 209 becomes a flat plane due to the fact that the dimensions of the inclined cylinder 212 and the butt joint hole 211 are consistent, and further, during injection molding, marks are not left on the surface of EPS foam due to expansion molding of EPS foam.

When cooling molding is finished, the EPS foam needs to be demolded, because the EPS foam is of a very soft structure, the EPS foam surface is left with traces by air demolding, the appearance is affected, the compression molding cylinder 103 drives the upper mold 105 to rise, the lower pressing support arm 106 rises, the lower pressing support arm 106 releases the extrusion of the triangular block 203, the trapezoidal block 207 descends to the upper surface of the base 201 under the action of gravity, at the moment, the cushion block 107 is placed on the lower mold 209 and the trapezoidal block 207, the cushion block 107 seals the lower surface of the lower mold 209, the blowing nozzle of compressed air is connected into the blowing holes 210 on the front side and the rear side of the lower mold 209 in a butt joint mode, and the compressed air flows out from each butt joint hole 211, so that the EPS foam is separated from the lower mold 209.

The cushion block 107 is abutted between the lower die 209 and the trapezoid block 207, and the height of the cushion block 107 is equal to the distance from the top end of the inclined cylinder 212 to the lower surface of the lower die 209.

The working principle and the using flow of the utility model are as follows: through setting up oblique cylinder 212, butt joint hole 211, push down support arm 106, triangle piece 203 and trapezoidal piece 207, when moulding plastics, butt joint hole 211 can be sealed, and whole bed die 209 is complete an organic whole, and fashioned EPS bubble is moulded the surface and is not had the print of butt joint hole 211, guarantees EPS bubble plastic surface's aesthetic property, and after the shaping, butt joint hole 211 can be unsealed, can use compressed air to carry out the drawing of patterns to EPS bubble plastic through the cooperation of butt joint hole 211 and cushion 107.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A blow-press separation die for EPS bubble is moulded, a serial communication port, including base (201), base (201) upper surface middle part fixedly connected with supporting seat (208), a plurality of spacing groove (205) have all been seted up on supporting seat (208) both sides inclined plane, supporting seat (208) both sides inclined plane all is provided with trapezoidal piece (207), trapezoidal piece (207) and supporting seat (208) inclined plane sliding connection, trapezoidal piece (207) right side fixedly connected with a plurality of spacing (213), spacing (213) sliding connection is in corresponding in spacing groove (205), trapezoidal piece (207) top fixedly connected with a plurality of inclined cylinder (212), base (201) upper surface both sides all sliding connection have triangular block (203), a plurality of extrusion spring (204) of inboard fixedly connected with of triangular block (203), one end fixedly connected with push plate (206) of triangular block (203) are kept away from to extrusion spring (204), a plurality of butt joint hole (211) have been seted up in the inclined plane sliding connection of supporting seat (207) and lower mould (209) bottom surface, a plurality of butt joint hole (211) are worn to set up in lower mould (209) front), a plurality of blow down hole (210) and blow down to blow behind hole (209) side extension.

2. A blow-pressure separation die for EPS foam according to claim 1 wherein: the inclination angle of the inclined planes at two sides of the supporting seat (208) is forty-five degrees, the inclination angle of the inclined cylinder (212) is forty-five degrees, the butt joint holes (211) are obliquely arranged, the inclination angle of the butt joint holes (211) is forty-five degrees, the diameters and the heights of the inclined cylinder (212) and the butt joint holes (211) are uniform, and the blowing and pressing holes (210) penetrate through the butt joint holes (211) in the same row.

3. A blow-pressure separation die for EPS foam according to claim 1 wherein: the injection molding machine comprises a base (201), support rods (102) are fixedly connected to two sides of the upper surface of the base, a cross beam (101) is fixedly connected to the top end of the support rods (102), a compression molding cylinder (103) is fixedly connected to the middle of the lower surface of the cross beam (101), an upper die (105) is fixedly connected to the output end of the compression molding cylinder (103), lower supporting arms (106) are fixedly connected to two sides of the upper die (105), and injection molding holes (104) are formed in the top of the upper die (105).

4. A blow-pressure separation die for EPS foam according to claim 3 wherein: the bottom end of the pressing support arm (106) is an inclined plane, and the inclined plane is matched with the inclined plane of the triangular block (203).

5. A blow-pressure separation die for EPS foam according to claim 1 wherein: a plurality of sliding grooves (202) are formed in two sides of the base (201), a sliding block is fixedly connected to the bottom of the triangular block (203), and the sliding block is slidably connected in the sliding grooves (202).

6. A blow-pressure separation die for EPS foam according to claim 1 wherein: the inner side of the pushing plate (206) is abutted against the side face of the trapezoid block (207), and the bottom face of the trapezoid block (207) is abutted against the upper surface of the base (201).

7. A blow-pressure separation die for EPS foam according to claim 1 wherein: and a cushion block (107) is abutted between the lower die (209) and the trapezoid block (207), and the height of the cushion block (107) is equal to the distance from the top end of the inclined cylinder (212) to the lower surface of the lower die (209).