CN215703502U

CN215703502U - EPS foam mould convenient to drawing of patterns

Info

Publication number: CN215703502U
Application number: CN202121796523.3U
Authority: CN
Inventors: 刘金朋; 刘晓东; 刘轩辰
Original assignee: Qingdao Guanming Packaging Products Co ltd
Current assignee: Qingdao Guanming Packaging Products Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-01
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses an EPS foam mould convenient for demoulding, which comprises a base, wherein a round block is fixedly connected to the upper end of the base, a round groove is formed in the upper end of the round block, the inner wall of the round groove is connected with a top plate in a sealing and sliding manner, a lower mould is fixedly connected to the upper end of the round block, an ejector rod is fixedly connected to the upper end of the top plate, the ejector rod penetrates through the lower end of the lower mould, the side wall of the ejector rod is connected with the lower end of the lower mould in a sliding manner, a U-shaped frame is fixedly connected to the upper end of the base, a hydraulic oil cylinder is fixedly connected to the upper end of the U-shaped frame, and the movable end of the hydraulic oil cylinder penetrates through the upper end of the U-shaped frame and is fixedly connected with the upper mould. According to the utility model, the hydraulic oil cylinder is driven to contract to drive the upper die to move upwards so as to drive the sliding plug to move, under the action of the sliding plug, mineral oil in the oil supply cavity is extruded into the circular groove to drive the top plate to ascend, so that the ejector rod is driven to eject EPS foam adhered in the lower die, and the mechanical structure is adopted, so that the operation is simple and convenient.

Description

EPS foam mould convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of foam processing, in particular to an EPS foam mold convenient for demolding.

Background

The EPS foam is also called polystyrene foam, and is a white object which is formed by heating expandable polystyrene beads containing volatile liquid foaming agent in a mold after heating and pre-foaming, has the structural characteristic of fine closed pores, and can be processed into various shapes through the mold.

Current EPS foam is adding man-hour, puts into the bed die with EPS foam usually, then processes the EPS foam through the cooperation of last mould with the bed die, and after processing was accomplished, go up the mould and open the back, the EPS foam of machine-shaping can the adhesion be difficult for taking out in the bed die, still need the manual work to pull out it, wastes time and energy very much, has also increased workman's intensity of labour, has reduced the efficiency of production.

Based on this, we propose an EPS foam mold that facilitates demolding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an EPS foam mold convenient to demold.

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

the utility model provides a EPS foam mold convenient to drawing of patterns, includes the base, base upper end fixedly connected with disk, the circular slot has been seted up to the disk upper end, the sealed sliding connection of circular slot inner wall has the roof, disk upper end fixedly connected with bed die, roof upper end fixedly connected with ejector pin, the ejector pin is for running through the setting of bed die lower extreme, just ejector pin lateral wall and bed die lower extreme sliding connection, base upper end fixedly connected with U type frame, U type frame upper end fixedly connected with hydraulic cylinder, the hydraulic cylinder expansion end runs through U type frame upper end and fixedly connected with upper die, install the gliding first actuating mechanism of drive roof on the U type frame.

Preferably, first actuating mechanism is including seting up the spout at U type frame lateral wall, spout inner wall sliding connection has the sliding plug, the sliding plug divides into drive chamber and two parts in the pump oil chamber with the spout, be equipped with mineral oil in the pump oil chamber, the pump oil chamber is through supplying oil pipe and circular slot intercommunication, install the gliding second actuating mechanism of drive sliding plug in the spout.

Preferably, the second driving mechanism comprises a sliding block which is connected to the inner wall of the sliding groove in a sliding mode, the lower end of the sliding block is symmetrically and fixedly connected with two push rods, the lower ends of the two push rods are fixedly connected with the sliding plug, and a third driving mechanism which drives the sliding block to slide is installed in the sliding groove.

Preferably, the third driving mechanism comprises a screw rod rotatably connected to the inner wall of the sliding groove, the side wall of the screw rod is in threaded connection with the sliding block, the inner wall of the sliding groove is rotatably connected with a rotating shaft, the side wall of the rotating shaft is fixedly connected with a first bevel gear, the side wall of the screw rod is fixedly connected with a second bevel gear, the first bevel gear is in meshed connection with the second bevel gear, and a fourth driving mechanism for driving the rotating shaft to rotate is mounted on the upper die.

Preferably, the fourth driving mechanism comprises a rack fixedly connected to the side wall of the upper die, one end of the rotating shaft penetrates through the side wall of the U-shaped frame and is fixedly connected with a gear, and the rack is in meshed connection with the gear.

Preferably, the inner wall of the sliding groove close to the second bevel gear is provided with a through hole, and the inner wall of the circular groove is symmetrically and fixedly connected with two limiting blocks.

The utility model has the following beneficial effects:

1. through setting up the circle piece, the circular slot, the roof, the knockout pin, the bed die, go up the mould, U type frame, hydraulic cylinder, first actuating mechanism, the second actuating mechanism, third actuating mechanism and fourth actuating mechanism, through driving hydraulic cylinder shrink, pull out the mould from the bed die, it can drive the rack and remove to go up the mould, and then drive the sliding plug and remove in the spout, under the effect of sliding plug, with the mineral oil extrusion of fuel feeding intracavity in the circular slot, drive the roof and rise, and then drive the knockout pin rebound, it is ejecting to adhere the EPS foam in the bed die, the mechanical structure all is adopted, and easy operation is convenient, the labor intensity of workers is reduced, and the production efficiency is improved.

2. Through setting up the stopper, avoid the roof to slide to the circular slot bottommost for the height that highly is less than the fuel feeding pipe of roof, mineral oil flows into the upper end of roof, thereby can't drive the roof and rise.

Drawings

FIG. 1 is a schematic perspective view of an EPS foam mold for easy demolding according to the present invention;

fig. 2 is a schematic cross-sectional view of the structure of fig. 1.

In the figure: the device comprises a base 1, a round block 2, a round groove 3, a top plate 4, a lower die 5, an ejector rod 6, a 7U-shaped frame, a hydraulic oil cylinder 8, an upper die 9, a sliding groove 10, a sliding plug 11, a driving cavity 111, a pumping cavity 112, an oil supply pipe 12, a sliding block 13, a push rod 14, a lead screw 15, a rotating shaft 16, a first bevel gear 17, a second bevel gear 18, a rack 19, a gear 20, a through hole 21 and a limiting block 22.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, an EPS foam mold convenient to drawing of patterns, including base 1, base 1 upper end fixedly connected with circle piece 2, circle groove 3 has been seted up to circle piece 2 upper end, 3 inner wall sealing sliding connection in circle groove have roof 4, 2 upper end fixedly connected with bed die 5 in circle piece, roof 4 upper end fixedly connected with ejector rod 6, ejector rod 6 is for running through 5 lower extreme settings in the bed die, and 6 lateral walls of ejector rod and 5 lower extreme sliding connection of bed die, base 1 upper end fixedly connected with

U type frame

7, 7 upper end fixedly connected with hydraulic cylinder 8 in the U type frame, 8 expansion end of hydraulic cylinder runs through 7 upper ends of U type frame and fixedly connected with upper die 9, install the gliding first actuating mechanism of drive roof 4 on the U type frame 7, 3 inner wall symmetry fixedly connected with two stoppers 22 in circle groove.

The first driving mechanism comprises a sliding chute 10 arranged on the side wall of the U-shaped frame 7, a sliding plug 11 is connected to the inner wall of the sliding chute 10 in a sliding mode, the sliding plug 11 divides the inside of the sliding chute 10 into a driving cavity 111 and a pump oil cavity 112, mineral oil is arranged in the pump oil cavity 112, the pump oil cavity 112 is communicated with the circular groove 3 through an oil supply pipe 12, and a second driving mechanism for driving the sliding plug 11 to slide is arranged in the sliding chute 10.

It should be noted that, the height of stopper 22 is higher than the height of fuel feed pipe 12, and when mineral oil just got into circular slot 3 from fuel feed pipe 12, roof 4 can not the rebound this moment, along with the mineral oil in circular slot 3 slowly increases, and until mineral oil and roof 4 lower extreme are leveled at ordinary times, roof 4 just can slowly drive ejector rod 6 and rise under the effect of mineral oil, provides the time delay for the rising of ejector rod 6 for go up the EPS foam that mould 9 and bed die 5 separated after just will be processed ejecting.

The second driving mechanism comprises a sliding block 13 which is connected to the inner wall of the sliding groove 10 in a sliding mode, two push rods 14 are symmetrically and fixedly connected to the lower end of the sliding block 13, the lower ends of the two push rods 14 are fixedly connected with the sliding plug 11, and a third driving mechanism which drives the sliding block 13 to slide is installed in the sliding groove 10.

The third driving mechanism comprises a lead screw 15 rotatably connected to the inner wall of the sliding chute 10, the side wall of the lead screw 15 is in threaded connection with the sliding block 13, the inner wall of the sliding chute 10 is rotatably connected with a rotating shaft 16, the side wall of the rotating shaft 16 is fixedly connected with a first bevel gear 17, the side wall of the lead screw 15 is fixedly connected with a second bevel gear 18, the first bevel gear 17 is in meshed connection with the second bevel gear 18, the sliding chute 10 is close to the inner wall of the second bevel gear 18 and is provided with a through hole 21, it needs to be explained that when the sliding plug 11 slides on the inner wall of the sliding chute 10, the through hole 21 can balance the pressure change in the sliding chute 10, and the upper die 9 is provided with a fourth driving mechanism for driving the rotating shaft 16 to rotate.

The fourth driving mechanism comprises a rack 19 fixedly connected with the side wall of the upper die 9, one end of the rotating shaft 16 penetrates through the side wall of the U-shaped frame 7 and is fixedly connected with a gear 20, and the rack 19 is meshed with the gear 20.

It should be noted that, when the lower end of the top plate 4 abuts against the upper ends of the two limit blocks 22, the upper end of the ejector rod 6 is flush with the bottom of the lower mold 5.

In the using process, the EPS foam to be processed is placed into the lower die 5, then the hydraulic oil cylinder 8 is driven to extend, the upper die 9 is driven to move downwards, the EPS foam is processed, at the moment, the upper die 9 drives the rack 19 to move downwards, the gear 20 to rotate, the rotating shaft 16 to rotate, the first bevel gear 17 to rotate and the second bevel gear 18 to rotate, the lead screw 15 to rotate is driven, the sliding block 13 is driven to slide upwards in the sliding groove 10, the sliding block 13 drives the sliding plug 11 to slide upwards in the sliding groove 10 through the push rod 14, and under the action of the sliding plug 11, mineral oil in the circular groove 3 is pumped into the pump oil cavity 112 through the oil supply pipe 12, so that the top plate 4 descends, and the ejector rod 6 is driven to move downwards;

after the processing is finished, the hydraulic oil cylinder 8 is driven to be shortened, the upper die 9 is driven to ascend, the rack 19 is driven to ascend, the gear 20 is driven to rotate, the gear 20 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the screw rod 15 to reversely rotate through the first bevel gear 17 and the second bevel gear 18, the sliding block 13 is further driven to move downwards, the sliding block 13 drives the sliding plug 11 to slide downwards through the push rod 14, mineral oil in the oil pumping cavity 112 is extruded into the circular groove 3 through the oil supply pipe 12 under the action of the sliding plug 11, the top plate 4 can be driven to slide upwards along with the gradual increase of the mineral oil in the circular groove 3, the ejector rod 6 is further driven to move upwards, and the processed EPS foam in the lower die 5 is ejected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An EPS foam mold convenient for demolding comprises a base (1) and is characterized in that a round block (2) is fixedly connected to the upper end of the base (1), a round groove (3) is formed in the upper end of the round block (2), a top plate (4) is connected to the inner wall of the round groove (3) in a sealing and sliding mode, a lower mold (5) is fixedly connected to the upper end of the round block (2), an ejector rod (6) is fixedly connected to the upper end of the top plate (4), the ejector rod (6) penetrates through the lower end of the lower mold (5), the side wall of the ejector rod (6) is connected with the lower end of the lower mold (5) in a sliding mode, a U-shaped frame (7) is fixedly connected to the upper end of the base (1), a hydraulic cylinder (8) is fixedly connected to the upper end of the U-shaped frame (7), and the movable end of the hydraulic cylinder (8) penetrates through the upper end of the U-shaped frame (7) and is fixedly connected with an upper mold (9), and a first driving mechanism for driving the top plate (4) to slide is arranged on the U-shaped frame (7).

2. The EPS foam mold convenient for demolding as claimed in claim 1, wherein the first driving mechanism comprises a sliding groove (10) formed in the side wall of the U-shaped frame (7), a sliding plug (11) is connected to the inner wall of the sliding groove (10) in a sliding mode, the sliding plug (11) divides the inside of the sliding groove (10) into a driving cavity (111) and a pump oil cavity (112), mineral oil is arranged in the pump oil cavity (112), the pump oil cavity (112) is communicated with the circular groove (3) through an oil supply pipe (12), and a second driving mechanism for driving the sliding plug (11) to slide is installed in the sliding groove (10).

3. The EPS foam mold convenient for demolding as claimed in claim 2, wherein the second driving mechanism comprises a sliding block (13) slidably connected to the inner wall of the chute (10), two push rods (14) are symmetrically and fixedly connected to the lower end of the sliding block (13), the lower ends of the two push rods (14) are fixedly connected to the sliding plug (11), and a third driving mechanism for driving the sliding block (13) to slide is installed in the chute (10).

4. The EPS foam mold convenient to demold according to claim 3, wherein the third driving mechanism comprises a screw (15) rotatably connected to the inner wall of the chute (10), the side wall of the screw (15) is in threaded connection with the slider (13), the inner wall of the chute (10) is rotatably connected with a rotating shaft (16), the side wall of the rotating shaft (16) is fixedly connected with a first bevel gear (17), the side wall of the screw (15) is fixedly connected with a second bevel gear (18), the first bevel gear (17) is in meshed connection with the second bevel gear (18), and the upper mold (9) is provided with a fourth driving mechanism for driving the rotating shaft (16) to rotate.

5. An EPS foam mould convenient for demoulding according to claim 4, wherein the fourth driving mechanism comprises a rack (19) fixedly connected with the side wall of the upper mould (9), one end of the rotating shaft (16) penetrates through the side wall of the U-shaped frame (7) and is fixedly connected with a gear (20), and the rack (19) is meshed with the gear (20).

6. The EPS foam mold convenient to demold according to claim 5, wherein the inner wall of the chute (10) close to the second bevel gear (18) is provided with a through hole (21), and the inner wall of the circular groove (3) is symmetrically and fixedly connected with two limit blocks (22).